집적 회로

하위 카테고리

📁 ADC/DAC 3,100+ 제품 📁 증폭기 IC 1,900+ 제품 📁 오디오 코덱 18 제품 📁 오디오 IC 2 제품 📁 클록 및 타이밍 670+ 제품 📁 Comparator ICs 1 제품 📁 DSP 1,100+ 제품 📁 데이터 수집 IC 2 제품 📁 디지털 포텐셔미터 4 제품 📁 디스플레이 드라이버 및 컨트롤러 1 제품 📁 FPGA & CPLD 7,300+ 제품 📁 인터페이스 IC 3,400+ 제품 📁 LED 드라이버 1 제품 📁 로직 IC 460+ 제품 📁 메모리 IC 870+ 제품 📁 마이크로컨트롤러 20,000+ 제품 📁 마이크로프로세서 4 제품 📁 모터 드라이버 1 제품 📁 기타 1 제품 📁 Sensor and Detector Interfaces 1 제품 📁 특수 IC 15 제품 📁 비디오 IC 14 제품

제품 (39,000+)

LM393PE4 - Dual Differential Comparator | Texas Instruments
LM393PE4

LM393PE4 - Dual Differential Comparator | Texas Instruments

Texas Instruments LM393PE4 is a dual differential comparator with two independent open-collector outputs, a 36 V total supply rating, and a low input offset voltage of 0.37 mV. The device is offered in an 8-pin PDIP package for through-hole PCB installation and is suitable for single-supply or dual-supply operation. A differential comparator is an analog signal-conditioning IC that compares two input voltages and produces a digital logic state indicating which input is higher. As part of the broader amplifier IC and comparator hierarchy, the LM393PE4 is used to perform threshold detection, level translation, sensing, window comparison, and open-drain signaling in industrial, automotive, and consumer electronics systems. The LM393 family provides low input bias current of 3.5 nA, supply current of 200 µA per comparator, and a response time of 1 µs. Its open-collector outputs allow the output voltage to be pulled up to an external supply and permit multiple outputs to be wired together when the application requires a wired-AND function. A high-battery human body model ESD rating of 2 kV supports robust handling in conventional equipment. Each of the two comparator sections can operate from the same supply or from independently arranged positive and negative rails. The standard LM393PE4 is the original LM393-family device, while improved LM393B variants provide lower offset voltage, lower bias current, lower supply current, faster response, and an expanded 38 V maximum rating. Pin-compatible B-version devices can therefore replace suitable original-grade devices without changing the printed circuit board. Typical applications include DC voltage threshold detection, overvoltage and undervoltage monitoring, temperature-probe interfacing, battery supervision, window comparators, relay or solenoid drivers, and logic-level translation. The open-collector outputs are particularly useful where the required output voltage differs from the comparator supply voltage or where several devices must share a wired bus. Designers should account for the output pull-up network, input common-mode range, supply bypass capacitors, and the voltage-current limits of each open-collector transistor. The external pull-up resistor determines output rise time and low-level sink current, while board layout should keep comparator inputs away from switching nodes and high-current output paths to limit pickup of switching noise. This product page combines manufacturer specifications, a normalized pin description, drop-in replacement options, application guidance, and design-focused selection criteria. These resources help engineers distinguish the original LM393PE4 from improved or alternate manufacturer variants while confirming package, electrical, and application compatibility before a PCB design is released.

견적 요청 문의하기
LM393PS - Dual Open-Collector Comparator | Texas Instruments
LM393PS

LM393PS - Dual Open-Collector Comparator | Texas Instruments

Texas Instruments LM393PS is a commercial-grade, dual differential comparator in an 8-pin SOIC package. The device contains two independent comparator channels, supports rail-to-rail input operation, and uses open-collector outputs for flexible interfacing with pull-up resistors, wired logic, lamps, relays, and other open-collector loads. Its 8-pin SOIC package supports conventional surface-mount assembly and is the standard package used for the LM393PS ordering option. A comparator is an analog integrated circuit that compares two input voltages and produces a logic-level indication of their relationship. In a wider power-management hierarchy, the LM393PS belongs to the comparator family, which sits alongside amplifiers, voltage references, and analog-to-digital converters as core signal-conditioning and control building blocks. Differential comparison is especially useful when a design must determine whether a measured signal is above or below a threshold. Each LM393PS channel provides independent access to its non-inverting and inverting inputs, while the two open-collector outputs can be used separately or, where appropriate, externally wired together. Open-collector outputs can sink current but do not actively drive a high voltage, so external pull-up resistors are normally required. This architecture is useful for wired-AND behavior, level translation, and compatibility with systems using pull-up or pull-down logic networks. The manufacturer documentation lists features associated with the LM393 family, including a maximum rating up to 38 V, an ESD rating of 2 kV HBM, low input offset voltage of 0.37 mV, low input bias current of 3.5 nA, low supply current of 200 µA per comparator, and a response time of 1 µs. These characteristics apply to the relevant B-version family ratings identified in the manufacturer documentation and should be checked against the operating-temperature grade and exact ordering option used in a production design. Typical applications include battery-powered threshold detection, sensor signal conditioning, industrial control logic, power-supply supervision, window-comparator circuits, and relay or LED indication. In battery-powered equipment, the low supply current helps reduce standby consumption, while the wide input-voltage capability supports a broader range of industrial supply environments. The open-collector output also permits the system designer to select the external pull-up voltage independently from the comparator supply. A key design consideration is the input common-mode range. Although the device is described as rail-to-rail for input operation, designers should verify the exact LM393PS electrical limits and operating conditions in the Texas Instruments datasheet. Pull-up resistor values must balance low output leakage, usable sink current, rise time, and system power consumption. For new layouts, reserve the unused comparator channel for test access rather than leaving its inputs floating. This product page organizes the LM393PS specifications, package information, application guidance, comparison parameters, and engineering notes into one design reference. It emphasizes practical decisions around input thresholds, output pull-ups, supply bypassing, unused channels, and drop-in replacement evaluation rather than repeating only the ordering-table information.

견적 요청 문의하기
LM393PSRG4 - Dual Open-Collector Comparator | TI
LM393PSRG4

LM393PSRG4 - Dual Open-Collector Comparator | TI

Texas Instruments LM393PSRG4 is a dual differential comparator with two independent channels, open-collector outputs, and an 8-pin SOIC package. It operates from a single supply or dual supplies, with verified product information identifying a 2 V to 36 V single-supply range and ±1 V to ±18 V dual-supply range. The LM393 family provides rail-to-rail input operation and output compatibility with TTL, MOS, and CMOS logic, making it useful for threshold detection and analog-to-digital conversion stages. A comparator is an interface IC that compares two input voltages and changes its output state when the non-inverting input rises above the inverting input. The LM393 family places two independent comparator channels in one package. Its differential architecture is useful in sensing circuits, where a small signal around a reference voltage determines whether a downstream logic device receives a high or low state. Open-collector outputs also allow the output stage to be pulled up to the voltage required by the receiving logic. The principal benefits of the LM393PSRG4 are its wide supply-voltage range, low supply-current drain of 0.4 mA typical per comparator, and output compatibility with multiple logic families. The common-mode input range includes ground, which simplifies single-supply sensing when signals remain near the lower rail. Two channels can be used independently or together to create window, zero-crossing, or saturation-detection functions. The device is specified for general-purpose signal comparison rather than high-speed line sensing. A listed characterization identifies a 1.3 µs response-time class for this device family, while the B-version devices provide improved specifications for applications where tighter electrical performance is useful. Because each output is open collector, an external pull-up resistor is required unless the output is used in a wired-AND configuration. Output-current and pull-up limits must be checked against the manufacturer datasheet for the chosen operating condition. Typical uses include industrial sensor thresholds, battery monitoring, window comparators, relay or LED drive, oscillator and timer circuits, and conversion of an analog measurement into a digital logic event. The two channels make the device especially useful when a board needs two independent comparison points without using separate single-comparator packages. PCB implementation should preserve short comparator-input paths and provide a stable return for both channels. Keep sensitive reference and signal traces away from switching nodes and output pull-up networks. Select the external pull-up value to balance rise time, power dissipation, and the sink-current rating of the open-collector stage. Validate input and output behavior across temperature and supply tolerances before using the comparator close to its supply or common-mode limits. This page combines the verified device identity, package information, family-level operating characteristics, cross-reference candidates, application guidance, and design considerations into one engineering-focused resource. Use the manufacturer datasheet and pin-description table for final footprint, input limits, output-current limits, and ordering details.

견적 요청 문의하기
LM393PT - Dual Open-Collector Comparator | STMicroelectronics
LM393PT

LM393PT - Dual Open-Collector Comparator | STMicroelectronics

STMicroelectronics LM393PT is a low-power dual general-purpose voltage comparator with two open-collector outputs, supplied in an 8-pin TSSOP package. The device compares two input voltages and provides a digital, open-drain indication of their relationship, making it suitable for threshold detection, level translation, window monitoring, and simple control systems. Its single-supply architecture supports the positive-voltage signal ranges commonly encountered in industrial and consumer electronics. A voltage comparator is an analog integrated circuit that evaluates one voltage relative to another and changes its output state when the relationship crosses a defined threshold. The LM393 belongs to the comparator IC hierarchy, which sits within interface and signal-conditioning semiconductors. Unlike an operational amplifier configured as a comparator, the LM393 integrates an open-collector output stage intended for wired logic, relay drivers, and systems that need pull-up resistors. The principal feature of the LM393PT is its dual-channel architecture, allowing two independent comparisons in one package. Both channels use open-collector outputs, so each output can pull a logic rail low while presenting a high-impedance state when inactive. The verified distributor description identifies the device as a standard general-purpose, rail-to-rail comparator, although detailed input common-mode, output-current, timing, and supply-current limits require confirmation from the manufacturer datasheet. The 8-pin TSSOP package supports compact PCB layouts while exposing both comparator channels, their input pins, the common supply connection, and both output pins. Because the outputs are open collector, an external pull-up resistor is normally required on each output. That arrangement supports wired-AND behavior at the logic interface and permits the output node to be pulled toward a voltage selected by the application rather than being forced to the comparator supply voltage. Typical uses include battery-threshold detection, industrial control-interface qualification, sensor-limit switching, overvoltage and undervoltage monitoring, and general digital threshold generation. The dual-channel configuration can implement two independent alarms or form the two comparisons required by a window comparator when suitable threshold references and output logic are added. A critical implementation consideration is the required output pull-up: omitting it leaves the open-collector output floating. Designers should also verify input voltage limits, output sink-current capability, propagation delay, input-offset behavior, and supply operating range against the STMicroelectronics datasheet before applying the comparator outside its published conditions. This page combines verified distributor specifications and sourcing information with a package-specific pinout, drop-in replacement analysis, comparison data, and practical design guidance. It is intended to support faster component selection while clearly separating confirmed LM393PT attributes from electrical parameters that still require datasheet verification.

견적 요청 문의하기
LM393PWG4 - Dual Open-Collector Comparator | Texas Instruments
LM393PWG4

LM393PWG4 - Dual Open-Collector Comparator | Texas Instruments

Texas Instruments LM393PWG4 is a dual differential comparator with two independent comparator channels, a single 2 V to 36 V supply range, and an open-collector output configuration in an 8-pin TSSOP package. Each channel supports single-supply or dual-supply operation, while the open-collector outputs permit wired-AND connections and external pull-up resistors. A comparator is an analog integrated circuit that compares two input voltages and changes its output state when the differential input crosses a defined threshold. In the broader hierarchy, a comparator belongs to the analog IC and signal-conditioning family, where it supports threshold detection, sensing, protection, and digital logic-interface functions. The LM393 family combines two channels in one package, reducing board area compared with two separate single comparators. The LM393PWG4 provides low supply-current drain of 0.4 mA typical per comparator, with current consumption largely independent of supply voltage. Its open-collector outputs can sink output current while remaining electrically isolated from the positive supply. This architecture is useful when several comparator outputs must share a pull-up node, although the external resistor must be selected to suit the required sink current and rise time. Operation from a 2 V to 36 V total supply span gives flexibility across low-voltage control systems, industrial equipment, and higher-voltage sensing platforms. The device can also operate from dual supplies when their total span and common-mode limits are respected. Because the output transistor is open collector, the output high voltage is set by the pull-up network rather than by the comparator itself. Typical uses include window comparators, overvoltage and undervoltage detection, sensor threshold conditioning, relay or solenoid drive decisions, and direct interfacing to open-collector logic. In a battery-powered design, the low supply-current characteristic helps reduce standing power. In a 24 V industrial system, the wide supply range supports operation without a separate low-voltage regulator, subject to the input protection requirements of the individual installation. Design the PCB with the non-inverting and inverting inputs routed away from switching nodes and the open-collector pull-up placed close to the output node. Confirm the common-mode input range, output-current capability, propagation delay, and output saturation requirements for the specific temperature and supply conditions before releasing the design. This page combines the LM393PWG4 electrical characteristics, package and pin information, drop-in alternatives, comparison criteria, and practical PCB guidance to support faster component selection and implementation.

견적 요청 문의하기
LM393PWRG3 - Dual Open-Collector Comparator | Texas Instruments
LM393PWRG3

LM393PWRG3 - Dual Open-Collector Comparator | Texas Instruments

The Texas Instruments LM393PWRG3 is a dual, general-purpose differential comparator with two independent channels, open-collector outputs, and a 2 V to 36 V single-supply operating range. Each channel accepts differential inputs and includes rail-to-rail input capability according to the manufacturer product listing. The device is packaged in an 8-pin TSSOP package and is supplied in tape-and-reel packaging under ordering code G3. A comparator is an analog semiconductor that compares two voltages and produces a logic-level indication of their relative relationship. The LM393 family belongs to the wider comparator hierarchy, which falls under linear and analog integrated circuits used for signal conditioning, threshold detection, supervision, and protection. Unlike an operational amplifier, the LM393 uses open-collector outputs that require an external pull-up resistor when driving a digital or mixed-signal circuit. The principal features of the LM393PWRG3 are its two independent comparator channels, 36 V maximum supply capability, differential input structure, open-collector outputs, and approximately 0.3 microsecond response time. The open-collector architecture permits a wired-AND arrangement when multiple comparator outputs share a pull-up node. Its output is compatible with TTL, MOS, and CMOS systems according to the Texas Instruments LM393 family documentation. The comparator channels operate independently, allowing one device to implement two threshold checks, two window-limit functions, or a pair of sensor comparisons. A single 2 V to 36 V supply can be used, and dual-supply operation is also possible when the supply arrangement and voltage relationships satisfy the family requirements. Designers must account for the open-collector output's pull-up network, input common-mode behavior, supply bypass capacitance, and output-sinking limits when laying out the circuit. Typical uses include overvoltage and undervoltage detection, battery and power-supply monitoring, sensor threshold conditioning, motor or actuator protection, industrial control interfaces, and logic-level qualification. The same 8-pin TSSOP footprint also supports compact analog and embedded-control designs where two comparator functions are needed without allocating space for separate single-channel devices. For robust implementation, place the supply bypass capacitor close to VCC and connect the ground reference directly to the exposed ground pathway. Select the external pull-up resistor to balance rise time, power consumption, and the output's current-sinking capability. Confirm input levels, output timing, supply range, and operating temperature against the manufacturer datasheet before releasing a production design. This page combines the exact ordering information, functional characteristics, package details, application guidance, and drop-in comparison information needed to evaluate the LM393PWRG3. It also highlights practical differences among documented alternatives so engineers can select the appropriate comparator without overlooking pull-up requirements or channel-specific constraints.

견적 요청 문의하기
LM393PWRG4 - Dual Open-Collector Comparator | Texas Instruments
LM393PWRG4

LM393PWRG4 - Dual Open-Collector Comparator | Texas Instruments

The Texas Instruments LM393PWRG4 is a dual differential comparator IC containing two independent general-purpose comparators in an 8-pin TSSOP package. The device supports single-supply or dual-supply operation, uses open-collector outputs for flexible level translation, and is suitable for systems requiring two independent threshold or sensing channels. According to the manufacturer product information, the LM393 family operates over a wide supply-voltage range, with operation from dual supplies possible when the total supply difference is between 2 V and 36 V. The two comparators have common-mode input voltage range including ground, while the differential input voltage range can equal the maximum-rated supply voltage. The open-collector output stage is the key feature of the LM393PWRG4. Each output can sink current when the comparator condition is met, but it requires an external pull-up resistor to establish a high voltage. This architecture works with TTL, MOS, and CMOS logic families and allows the output level to be selected by the system designer. The two channels are electrically independent, so each comparator can monitor a different signal, threshold, or protection condition within the same package. Typical electrical characteristics include low input offset voltage, low input bias current, and supply-current drain that is independent of supply voltage. The verified manufacturer listing identifies the part as a standard general-purpose comparator with rail-to-rail input capability and open-collector outputs. The open-collector topology also enables wired-AND behavior when multiple comparator outputs are connected together, provided each output has an appropriate pull-up and the resulting current budget is respected. Common applications include sensor-interface thresholding, battery and power-supply monitoring, window comparator circuits, overvoltage and undervoltage protection, temperature-control systems, and logic-level translation. Because the outputs are open collector, a design can select the pull-up voltage independently from the comparator supply voltage, which is useful when interfacing to a higher-voltage logic domain. The comparator inputs should remain within the specified common-mode range, and the unused channel inputs must be connected appropriately rather than left floating. When designing around the LM393PWRG4, start by assigning each channel to a sensing function and defining the pull-up voltage and sink-current requirement. Place the pull-up resistors close to the output pins, maintain adequate copper and thermal margin around the TSSOP, and verify that the input bias currents do not disturb high-impedance sensor nodes. This page combines manufacturer characteristics, package information, application guidance, drop-in alternatives, and design notes for faster component selection.

견적 요청 문의하기
LM393QT - Dual Open-Collector Comparator | STMicroelectronics
LM393QT

LM393QT - Dual Open-Collector Comparator | STMicroelectronics

The STMicroelectronics LM393QT is a dual general-purpose comparator with two independent channels, an open-collector output, rail-to-rail input capability, and a 2 V to 36 V supply range. Each channel responds in 300 ns, and the device is housed in an 8-pin UFSON surface-mount package measuring 2 mm by 2 mm. A voltage comparator is an analog integrated circuit that compares two input voltages and produces a digital logic result indicating which input is higher. The comparator category belongs to the broader signal-conditioning and decision-making hierarchy, where its output can enable switching, threshold detection, protection, or system-control functions. The LM393QT uses open-collector outputs, allowing multiple comparator outputs to be wired together when a suitable pull-up is present. Key features include two independent comparators, a 300 ns response time, low-power operation with an input-current rating of 25 nA, and a wide 2 V to 36 V supply range. Rail-to-rail input operation allows each input to approach the supply rails, while the open-collector architecture provides flexible output pull-up selection and wired logic capability. The two channels share a common supply and ground but otherwise operate independently. The open-collector transistor can pull its output low while disabling the output driver during the high state, so an external pull-up resistor is required for normal logic-high operation. This architecture does not actively drive the output high, a key consideration when designing level-shifting or fault-detection circuits. Typical uses include battery and power-supply monitoring, sensor threshold detection, overvoltage and undervoltage protection, window comparison, signal conditioning, and industrial control systems. Its 2 mm by 2 mm UFSON package also supports compact mixed-signal designs where board area is constrained. When laying out the device, route the two comparator channels away from noisy switching nodes and connect input and output tracks to minimize coupling. Select pull-up resistors according to the required logic rise time, output current, and available supply voltage, while confirming that every downstream device can tolerate the open-collector output arrangement. This page combines manufacturer specifications, practical pinout guidance, application analysis, and verified sourcing references. It also emphasizes the electrical and layout checks required to use the LM393QT reliably in threshold-detection, protection, and low-power signal-conditioning systems.

견적 요청 문의하기
LM393ST - Dual Open-Collector Comparator | STMicroelectronics
LM393ST

LM393ST - Dual Open-Collector Comparator | STMicroelectronics

STMicroelectronics LM393ST is a dual, general-purpose voltage comparator with open-collector outputs, rail-to-rail input capability, and a single-supply operating range extending to 36 V. The device is packaged in an 8-pin MiniSO package, making it suitable for compact analog control, sensing, and protection circuits that require two independent comparison channels. A voltage comparator is an analog integrated circuit that compares two input voltages and changes its output state when the non-inverting input exceeds the inverting input, or vice versa. Within the broader semiconductor hierarchy, a comparator belongs to the amplifier and signal-conditioning IC family, where it supports threshold detection, decision-making, and feedback control. Unlike a general-purpose operational amplifier, the LM393ST uses open-collector outputs designed for wired logic, pull-up arrangements, and low-voltage system interfacing. Each LM393ST channel includes an open-collector output capable of sinking current while remaining in a high-impedance state when inactive. External pull-up resistors establish the high output level, allowing the device to interface with a selected supply voltage and potentially support open-collector bus arrangements. The dual-channel configuration provides two independent comparators in one package, reducing board area when a design requires more than one threshold decision. The LM393 family is specified for operation from 2 V to 36 V on a single supply, while the STMicroelectronics listing describes rail-to-rail input behavior. This wide supply range accommodates low-voltage control systems as well as industrial environments operating from higher rails. The open-collector outputs and broad input capability make the device useful for monitoring supply rails, detecting sensor crossings, implementing window functions with additional circuitry, and building basic automation-control decisions. Because the outputs are open collector, every board-level implementation must include suitable pull-up components unless the outputs are connected to another compatible open-collector load. The pull-up voltage should remain within the electrical limits of the connected logic, while the pull-up resistance must balance rise time, power consumption, and output-current capability. Short traces and a common ground reference help prevent comparison errors when sensing small voltage differences. Use the LM393ST when two independent, general-purpose comparisons are needed in an 8-pin MiniSO design and open-collector interfacing is desirable. Review the manufacturer pin description and electrical limits before final PCB routing, particularly input common-mode range, output sink current, supply sequencing, and exposed thermal behavior.

견적 요청 문의하기
LM393TL - Dual Open-Collector Comparator, 2-36V | Texas Instruments
LM393TL

LM393TL - Dual Open-Collector Comparator, 2-36V | Texas Instruments

The Texas Instruments LM393TL is a dual differential voltage comparator with open-collector outputs, supplied from 2 V to 36 V (±1 V to ±18 V) and packaged in an 8-WFBGA (8-DSBGA) surface-mount package supplied in tape-and-reel. Each of the two independent comparator channels offers an input offset voltage of up to 9 mV (9000 uV) and a response time of 1300 ns. A comparator is a differential amplifier that converts the voltage difference between two inputs into a logic-level output. As part of the wider signal-conditioning chain, a comparator sits between sensor front-ends and digital logic, in the hierarchy analog IC -> comparator -> differential input stage -> signal conditioning. The LM393 family is the classic open-collector (open-drain) dual comparator used for threshold detection, zero-crossing sensing and open-drain bus interfacing. Key features of the LM393TL include a very wide 2 V to 36 V single supply range (or ±1 V to ±18 V split supply), an input common-mode range that includes ground, a differential input voltage range of ±38 V, and outputs compatible with TTL, CMOS and MOS logic families. Because the outputs are open collector, a single external pull-up resistor per channel is required to establish a logic high, which also allows wired-AND busing and level shifting. Internally the LM393 is built around a classic bipolar differential input stage driving a large-area open-collector output transistor. The wide input common-mode range and low supply current make the part suitable for slow, cost-sensitive sensing rather than high-speed signal conditioning; the 1300 ns response time reflects the open-collector architecture rather than any limitation of the input stage. Typical applications include battery-powered threshold detection, over/under-voltage and temperature monitoring in industrial and consumer equipment, zero-cross detection in AC mains and motor control, and open-drain level shifting between 5 V TTL systems and 3.3 V CMOS logic. Design consideration: because the LM393TL output is open collector, always fit a pull-up resistor (typically 2 kΩ to 10 kΩ) close to the device, and check that the pull-up rail voltage does not exceed the absolute maximum ratings of the output transistor. Note also that the commercial-grade LM393 is rated 0 °C to 70 °C; use LM2903 for industrial temperature ranges. This page combines verified distributor and manufacturer data with package-specific alternatives, a parameter comparison table, and practical layout notes that are not found in the original manufacturer datasheet, giving engineers a faster path from part selection to a working PCB.

견적 요청 문의하기
LM4871MX/NOPB - 3W Mono Class-AB Audio Amp | Texas Instruments
LM4871MX/NOPB

LM4871MX/NOPB - 3W Mono Class-AB Audio Amp | Texas Instruments

The LM4871MX/NOPB is a mono bridged audio power amplifier from Texas Instruments, part of the Boomer series, capable of delivering 3W of continuous average power into a 3Ω load with less than 10% THD when powered by a 5V supply. It operates from a 2V to 5.5V supply, making it ideal for battery-powered portable devices. The device features a shutdown mode that reduces quiescent current to minimize power consumption when not in use. Housed in an 8-pin SOIC (D) package, it is designed for surface-mount assembly and operates over a temperature range of -40°C to 85°C. An audio power amplifier is an electronic amplifier that amplifies low-power audio signals to a level suitable for driving loudspeakers. The LM4871 is a Class-AB amplifier, which offers a good compromise between efficiency and linearity, providing low distortion while consuming moderate power. In the hierarchy of audio electronics, it falls under audio amplifiers, which are a subset of analog ICs used in consumer electronics, portable devices, and multimedia systems. Key features include a shutdown mode with low quiescent current (6.5mA typical), a wide supply voltage range of 2V to 5.5V, and a maximum output power of 3W into 3Ω. The device also offers thermal shutdown protection and is available in a lead-free (NOPB) version, compliant with RoHS. Its differential output architecture eliminates the need for output coupling capacitors, reducing external component count and board space. The LM4871 uses a bridged-tied load (BTL) configuration, which effectively doubles the voltage swing across the load compared to a single-ended amplifier, maximizing output power without increasing supply voltage. This architecture, combined with a low-noise design, ensures clean audio reproduction. The device is designed for simplicity, requiring only a few external components, making it easy to integrate into compact designs. Typical applications include portable speakers, mobile phones, MP3 players, and other battery-powered audio devices where high efficiency and low power consumption are critical. Its small SOIC package and minimal external component requirement make it suitable for space-constrained designs. When designing with the LM4871, ensure proper PCB layout with adequate ground plane and decoupling capacitors close to the supply pins to minimize noise and improve thermal performance. The shutdown pin can be used for power management to extend battery life.

견적 요청 문의하기
LM4875M/NOPB - 750mW Mono Audio Amplifier w/ DC Volume | TI
LM4875M/NOPB

LM4875M/NOPB - 750mW Mono Audio Amplifier w/ DC Volume | TI

The Texas Instruments LM4875M/NOPB is a 750 mW mono bridged audio power amplifier with DC voltage volume control and headphone switch, housed in an 8-pin SOIC package. It operates from a 2.7 V to 5.5 V supply, delivers 750 mW continuous average power into an 8 ohm load at less than 1% THD+N when powered from 5 V, and integrates a mono Class-AB output stage with a dedicated single-ended headphone channel. The die combines the speaker amplifier, headphone amplifier, depop circuitry, and a digitally-controlled analog volume interface in a single 8-pin SOIC footprint. An audio power amplifier IC is an integrated circuit that delivers sufficient low-distortion current to drive a loudspeaker or headphone transducer from a low-voltage analog source. Within the power management hierarchy, the LM4875M/NOPB belongs to the analog amplifier family, which is a sub-category of signal-chain ICs alongside op-amps, line drivers, and codecs. Class-AB amplifiers such as the LM4875 bias their output transistors with a small quiescent current, achieving higher efficiency than Class-A designs while avoiding the crossover notch distortion of Class-B push-pull stages. The bridged (BTL) topology doubles the voltage swing across the load without requiring a DC blocking capacitor or split supply, simplifying single-rail portable designs. Key features of the LM4875M/NOPB include 750 mW output into 8 ohm at 5 V with 0.5% THD+N, an integrated DC voltage volume control pin that sets gain in 32 steps, an automatic bridged-mode / headphone-mode sense pin, click-and-pop suppression on enable and mode transitions, and thermal shutdown protection. The supply range of 2.7 V to 5.5 V supports both single-cell Li-ion (3.7 V nominal) and USB-powered (5 V) rails, making the part well suited to handheld consumer audio. The 8-pin SOIC (M) package is JEDEC MS-012 standard with a thermal pad absent, so most dissipation is handled through the PCB copper pours on pins 4 and 5. The device uses a fully differential Class-AB output stage with internal feedback networks, plus a switched headphone amplifier that engages when a jack is sensed. Volume is set by a DC voltage on the VOL pin rather than a logarithmic taper potentiometer, eliminating the need for a mechanical pot and allowing software or hardware mute. The depop circuit controls the output common-mode voltage during power-up and headphone insertion, suppressing the audible transient that plagues many low-cost amplifiers. Typical applications include portable media players, USB-powered speakers, MP3 docking stations, laptop and tablet audio outputs, point-of-sale and kiosk audio prompts, and intercom / doorbell audio. The wide 2.7-5.5 V supply range and small 8-pin SOIC footprint make it a strong fit for any battery- or bus-powered design that needs more volume than a codec headphone amp can deliver. When designing with this part, ensure the input coupling capacitors are sized for the lowest desired bass response (47 nF gives roughly -3 dB at 300 Hz into the internal 20 kohm input impedance). Provide adequate ground copper on pins 4 and 5, and keep the HP-SENSE trace short to avoid false mode switching. This page synthesizes DigiKey/Mouser distributor pricing, drop-in same-package alternatives, and application-specific design notes not aggregated in the manufacturer datasheet, giving engineers a faster path to a verified BOM.

견적 요청 문의하기
LM529CH - Dual Differential Comparator | Texas Instruments
LM529CH

LM529CH - Dual Differential Comparator | Texas Instruments

Texas Instruments LM529CH is a dual high-speed differential comparator in a TO-100-10 metal-can package. The device contains two comparator elements, supports TTL output, and is specified for commercial-temperature operation from 0°C to 70°C. Its typical output current is 55 mA at a 5 V supply, while the maximum average bias current is 30 µA. The round, 10-terminal through-hole package preserves the pin arrangement and mechanical interface used by older high-speed differential-comparator designs. A differential comparator is an analog integrated circuit that compares two input voltages and produces a logic output indicating which input is higher. By presenting two independent differential comparator channels in one package, the LM529CH supports compact designs that require two comparisons within one device. Its high-speed differential-comparator positioning makes it relevant to legacy signal-conditioning, timing, and pulse-processing systems where a discrete implementation would consume more board area. The principal device characteristics include TTL-compatible output behavior, a typical output current of 55 mA at 5 V, and a maximum average bias-current specification of 30 µA. The two-element configuration provides useful economy in circuits requiring paired comparisons. Because the LM529CH is a commercial-temperature component, its specified operating range of 0°C to 70°C is suitable for room-temperature commercial equipment rather than industrial-temperature environments extending beyond 70°C. The LM529CH belongs to the comparator hierarchy within analog integrated circuits: comparator, differential comparator, analog comparator, and integrated circuit. Its differential structure means the decision depends on the relationship between two sensed voltages rather than a single input referenced only to ground. The TTL output provides a bridge to digital logic, allowing a comparison result to influence counters, flip-flops, control logic, or other digital stages when voltage-level and timing requirements are satisfied. Typical uses include legacy pulse-width and timing circuits, zero-cross or threshold detection, window-comparison functions using both comparator channels, signal conditioning between analog sensors and TTL logic, and maintenance or modernization of equipment originally designed around a TO-100-10 comparator. In a window detector, the two channels can establish upper and lower thresholds, while a single channel can handle a simpler threshold decision. The original circuit must still be checked for output polarity, logic levels, timing margins, and unused-channel treatment. The most important design consideration is preserving the legacy package and pin functions during replacement or board reuse. The TO-100-10 metal-can outline is not interchangeable with common SOIC or MSOP packages, so a modern comparator may require a PCB redesign. Confirm the device drawing and connection details in the Texas Instruments datasheet before fabrication, and ensure every unused input is biased to prevent an indeterminate output. This product page consolidates the confirmed package, temperature, output, and electrical information for the LM529CH and adds practical selection and application guidance. It also distinguishes confirmed drop-in alternatives from generic functional substitutes, helping engineers assess whether a proposed replacement truly preserves the TO-100-10 footprint and original circuit behavior.

견적 요청 문의하기
LM529CN - High-Speed Differential Comparator | Texas Instruments
LM529CN

LM529CN - High-Speed Differential Comparator | Texas Instruments

The Texas Instruments LM529CN is a high-speed differential comparator designed for TTL-compatible signal comparison in a 14-pin PDIP package. It is specified for a 5 V power supply, operates across a 0 °C to 70 °C temperature range, and provides differential input comparison with a propagation-delay variation of only 3 ns for overdrive conditions from 5 mV to 500 mV. The device is identified as a differential TTL comparator in distributor product listings. A high-speed differential comparator is an analog integrated circuit that compares two input voltages and produces a logic-level indication of their relative relationship. In the broader signal-chain hierarchy, the LM529CN belongs to the comparator class within interface and signal-conditioning ICs. Its differential inputs are useful when a system must make a fast decision based on the difference between two changing voltages rather than a single voltage referenced to ground. The principal application feature is the LM529CN's controlled delay behavior across a broad input-overdrive range. The stated 3 ns variation for 5 mV to 500 mV overdrive indicates that output timing is relatively consistent even when the input signal exceeds the comparator's switching threshold by a substantial amount. This makes the part relevant to pulse-width detection, threshold crossing, waveform conversion, timing control, and digital-interface conditioning where predictable response time is valuable. The LM529CN uses a differential comparator architecture and is specified for TTL output compatibility. In a practical circuit, the two input nodes should be connected to the signals being compared, while the output can drive a downstream TTL input through appropriate routing and termination. Power-supply decoupling should be placed close to the device, and unused inputs should be held at a defined potential rather than left floating. Because the device is a legacy-style 14-pin PDIP, its through-hole package can also simplify prototype construction and rework. Typical uses include pulse-width measurement, zero-cross or level detection, industrial control logic, communications signal conditioning, and timing circuits. The 5 V supply requirement makes the LM529CN especially suitable for systems that already use TTL logic rails. Care should be taken to maintain valid input common-mode and output-drive conditions, observe the specified supply voltage, and account for the device's operating-temperature range during system qualification. This product page combines the Texas Instruments comparator identity, package information, operating limits, cross-reference candidates, practical design notes, and application guidance to support faster component selection and PCB planning.

견적 요청 문의하기
LM555-MWC - 100kHz Timer/Oscillator Die | Texas Instruments
LM555-MWC

LM555-MWC - 100kHz Timer/Oscillator Die | Texas Instruments

Texas Instruments LM555-MWC is a highly stable 555-type timer and oscillator integrated circuit with a maximum timing frequency of 100kHz, supplied as a rectangular die. It combines a precision timing element, a voltage comparator, a discharge transistor, and a flip-flop into one circuit capable of operating in astable, monostable, or bistable configurations. The die format is intended for manufacturers and qualified integrators that perform die-level inspection, bonding, encapsulation, or integration into a finished timer package. A 555 timer is a multivibrator and timing integrated circuit within the broader clock-and-timing IC hierarchy. In astable mode, its output switches continuously at a repetition rate determined by two external resistors and one capacitor. In monostable mode, it produces one timed output pulse after a trigger event. In bistable mode, a trigger can set or reset the output. The LM555 family is widely used to generate delays, produce pulses, provide simple oscillators, and trigger larger loads through an external switch. The LM555-MWC identifies the 100kHz-capable timer function and the die-based delivery option. External timing components determine the practical operating frequency in astable mode, while the circuit's internal reference and threshold arrangement govern pulse width and duty cycle. The available device information identifies a maximum supply current of 15mA and an industrial temperature range of -40°C to +85°C. The die's physical dimensions, pad geometry, and exposed surface details are not established by the product listing. Because this is a die rather than a finished molded package, its electrical function follows the Texas Instruments LM555 architecture, but its mechanical implementation must be defined by the integrator. Supply voltage limits, threshold reference accuracy, output-current capability, trigger and reset levels, and absolute maximum ratings should be confirmed from the LM555 datasheet before qualifying the die for a production design. The Rev. D datasheet also documents monostable operation as a common configuration for controlling an LED for a specified duration. Typical uses for the underlying LM555 timer function include LED and lamp drivers, pulse generators, missing-pulse detection, delayed-action circuits, simple audio oscillators, and industrial control or test modules. When implementing the die in a final package, attention must be paid to bonding parasitics, thermal paths, contamination control, and the final package's pin mapping. The timer frequency should also remain below the 100kHz device limit after accounting for component tolerances and parasitic capacitance. A key design consideration is that the die suffix does not describe a standardized PCB footprint. Engineers should create a bonding pad layout from the approved die documentation and electrically qualify the assembled part before production. If a packaged, directly orderable timer is required for prototyping or repair, use a finished 555 timer with the same functional architecture and verify its electrical limits against the design. This page organizes the LM555-MWC function, operating limits, application guidance, design cautions, and package-availability context into an engineering-oriented reference. It also distinguishes the verified die offering from finished-package alternatives so procurement and assembly teams can identify when a die-level supply strategy is appropriate.

견적 요청 문의하기
LM555CM - 100kHz Single Timer | Texas Instruments | 8-SOIC
LM555CM

LM555CM - 100kHz Single Timer | Texas Instruments | 8-SOIC

Texas Instruments LM555CM is a single 555-type timer and oscillator integrated circuit with a maximum frequency of 100 kHz, supplied in an 8-pin SOIC package. The device operates from 4.5 V to 16 V and supports both astable and monostable operation. Its timing can extend from microseconds to hours, while an external resistor and capacitor establish the relevant timing interval. The LM555/NE555/SA555 family is a widely recognized type of programmable timer and pulse generator used when a circuit requires controllable delay, repetition, or oscillation. A 555 timer is an analog timing block containing voltage thresholds, comparators, a flip-flop, discharge control, and an output stage. In astable mode, the output repeatedly switches between two voltage levels and the external timing network determines both the charging and discharging intervals. In monostable mode, the circuit produces one timed output pulse after a trigger. This LM555CM combines that established function with TTL-compatible interfacing and output-current capability, making it suitable for conventional digital control and timing systems. The verified operating range is 4.5 V to 16 V, and the listed maximum oscillator frequency is 100 kHz. The controller can source or sink up to 200 mA according to the manufacturer feature summary. Its timing-temperature stability is specified as 0.005%/°C, and the turn-off time is less than 2 µs. The SOIC-8 format permits conventional surface-mount assembly, while the available part information identifies the device as suitable for industrial control, pulse generation, delay, and oscillator implementations. Technically, the LM555CM is controlled by an external RC timing network rather than a digital register or crystal. In astable operation, the timing capacitor charges and discharges through external resistors while the internal thresholds determine when the output changes state. Duty cycle is adjustable, although the exact permitted resistance and capacitance combinations depend on the manufacturer timing equations. Because this is a classic analog timer rather than a precision digital synthesizer, its accuracy depends on component tolerances, temperature, supply stability, and the timing network. Typical uses include industrial pulse and delay circuits, LED flashers, debounce timers, basic clock generators, motor or relay timing, and laboratory test fixtures. The 200 mA output-drive capability can directly support compatible loads, while the 4.5 V minimum supply keeps the device compatible with common 5 V logic systems. The 16 V maximum rating also supports higher-voltage control designs when the surrounding circuit remains within the device ratings. When laying out a LM555CM circuit, place the timing capacitor and timing resistors close to their associated pins and keep the control-node bypass capacitor connection short. Decouple the supply rail near the IC, avoid long current-loop paths, and verify that reset and trigger levels satisfy the input thresholds. The unused voltage and control pins should be connected according to the manufacturer guidance, and output loads must remain within the verified drive limits. This product record combines verified manufacturer and distributor specifications, practical timer design guidance, package and pin information, and sourced drop-in alternatives. It is intended to help engineers identify the LM555CM quickly, compare equivalent SOIC-8 timers, and assess whether its 4.5 V to 16 V supply range and 100 kHz frequency capability fit the intended astable or monostable circuit.

견적 요청 문의하기
LM555CMM - 555 Timer Oscillator 100kHz | Texas Instruments
LM555CMM

LM555CMM - 555 Timer Oscillator 100kHz | Texas Instruments

Texas Instruments LM555CMM is a single 555-type timer and oscillator integrated circuit used for accurate time-delay generation, monostable pulse shaping, and free-running oscillation. The device operates from the LM555 timer family and is identified with a maximum oscillator frequency of 100 kHz. It is packaged in an 8-VSSOP package, and the exact pin assignments and electrical limits should be confirmed from the Texas Instruments LM555 datasheet before layout or replacement qualification. A 555 timer is a programmable analog timing building block. By combining an internal voltage reference, comparators, flip-flop, discharge transistor, and output stages with external resistors and capacitors, it can operate as a one-shot monostable circuit or as a continuously running astable oscillator. The LM555 family is widely used in industrial control, instrumentation, pulse generation, debounce circuits, converters, and low-cost embedded timing systems. It remains popular because it combines a simple external network with predictable logic-level outputs and flexible trigger and reset control. The LM555CMM’s key operating characteristics include its 100 kHz maximum oscillator frequency, 555 monostable or astable operating modes, trigger and reset functions, and 8-VSSOP surface-mount construction. The external timing network determines the delay or repetition rate, while the trigger and reset terminals allow synchronization, cascading, and fault-controlled shutdown. Because the timing accuracy depends on resistor tolerances, capacitor stability, and the internal threshold reference, component selection and PCB layout remain important in precision applications. In astable mode, two resistors and one capacitor establish the charge and discharge timing. The output waveform frequency and duty cycle are set by those external values, while the LM555 provides threshold comparison, discharge control, and a buffered output. In monostable mode, one resistor and one capacitor establish the output pulse duration, and a negative-going trigger creates the timed pulse. The reset terminal can inhibit operation during initialization or fault conditions. The LM555 is suitable for LED flash timing, pulse-width generation, debounce networks, simple clock circuits, tone generation, and general-purpose industrial control. Designers should check output-current limits, supply voltage, trigger and reset timing, and absolute maximum ratings against the manufacturer datasheet. For a new design, the trigger and reset paths should be kept short, timing capacitors should be positioned near the relevant pins, and unwanted pickup on high-impedance timing nodes should be minimized. This page provides a structured technical overview, verified manufacturer and distributor references, replacement guidance, application context, and design notes for engineers evaluating LM555CMM. It is intended to support component selection and circuit planning rather than replace the complete Texas Instruments datasheet.

견적 요청 문의하기
LM555CMX - 100kHz Single Timer | Texas Instruments | 8-SOIC
LM555CMX

LM555CMX - 100kHz Single Timer | Texas Instruments | 8-SOIC

The Texas Instruments LM555CMX is a single 555-type timer and oscillator with a maximum timing frequency of 100 kHz, housed in an 8-pin SOIC surface-mount package. It combines three complementary 5 kΩ comparators, an SR flip-flop, and a high-current output stage to support monostable, astable, and Schmitt-trigger timing circuits. The device is intended for timers from microseconds through hours, according to the manufacturer datasheet, and operates in the 0°C to 70°C commercial-temperature range. A 555 timer is a programmable timing integrated circuit that determines an output transition from the charging and discharging of an external timing capacitor. In the broader semiconductor hierarchy, the LM555 belongs to the timer and oscillator family, within clock and timing integrated circuits and power-management-adjacent signal-control devices. Its internal comparators and flip-flop allow an external resistor-capacitor network to establish delay, repetition rate, or pulse width without digital programming. The LM555CMX supports three principal operating modes. In monostable operation, a trigger pulse creates one timed output pulse. In astable operation, the output oscillates continuously and can produce a duty cycle below 50% when the discharge path is used. In Schmitt-trigger operation, the internal thresholds generate a clean output transition from a slowly changing analog voltage. These functions make the timer useful for pulse generation, delay circuits, missing-pulse detection, tone generation, and simple power-control timing. Its internal architecture is based on three comparators that monitor the timing-capacitor voltage, the trigger voltage, and the reset input. The flip-flop records comparator decisions, while separate bipolar output transistors provide a standard output and a higher-current discharge path. The 100 kHz operating limit establishes the upper end of the usable timing-frequency range, while the exact minimum and maximum timing values depend on the selected external resistance and capacitance. Typical applications include industrial control timers, LED flashers, audio tone generators, delayed relay activation, pulse-width shaping, and oscillator-based clocking for small embedded systems. The SOIC-8 package supports compact surface-mount assembly while preserving the familiar eight-pin 555 interface. A timing capacitor and associated resistors remain external, allowing the circuit designer to select timing values rather than relying on a fixed internal delay. The primary design consideration is preserving adequate timing-capacitor headroom for the trigger and threshold limits while keeping the discharge and control-node waveforms valid. Use the manufacturer's recommended resistor and capacitor ranges, account for component tolerances, and decouple the supply pin close to the device. Because this is a bipolar timer rather than a low-power CMOS timer, verify output-drive, supply-current, and timing requirements when operating from a constrained power source. This page combines the LM555CMX timing characteristics and package information with practical mode-selection guidance, pin-assignment context, drop-in alternatives, and design notes intended to accelerate schematic review, PCB planning, sourcing, and legacy-maintenance work.

견적 요청 문의하기
LM555CN - 100kHz Single Timer | DIP-8 | Timing Control
LM555CN

LM555CN - 100kHz Single Timer | DIP-8 | Timing Control

The Texas Instruments LM555CN is a single 555-type timer and oscillator IC operating from 4.5 V to 16 V, with a maximum timing frequency listed as 100 kHz, in an 8-pin through-hole DIP package. It generates accurate timing pulses in monostable or astable configurations and includes trigger and reset terminals for external control. A 555 timer is a general-purpose timing controller within the broader clock and timing IC category. Its internal architecture combines a voltage reference, voltage comparators, a flip-flop, and a high-current output stage. Two resistors and one capacitor set the astable frequency and duty cycle, while one resistor and one capacitor set the monostable pulse delay. Key verified characteristics include a 4.5 V to 16 V supply range, a maximum frequency of 100 kHz, TTL-compatible interfacing, and support for both astable and monostable operation. The LM555CN is supplied as an 8-DIP device, matching the classic through-hole timer footprint and making it suitable for legacy control boards, educational hardware, prototypes, and repair applications. In astable mode, the output oscillates continuously between two threshold levels set by the external timing network. In monostable mode, a low-going trigger starts one timing cycle and produces a timed output pulse. The reset input can force the timer into its stable state, while the output stage provides the drive needed for standard digital logic loads. Typical applications include pulse generation, delay circuits, oscillators, debounce timers, PWM generation, LED flashers, and industrial control pulse shaping. Because the DIP package exposes all eight pins, the device is also convenient for breadboard prototyping and timing experiments where a surface-mount package would be inconvenient. When designing a replacement circuit, verify trigger polarity, output polarity, output-drive requirements, and timing tolerance rather than assuming every 555 variant is electrically identical. CMOS alternatives may have lower supply current but different output-drive and timing characteristics, while bipolar alternatives generally provide stronger output sourcing and sinking capability. This page combines the verified LM555CN supply, package, frequency, and timing-mode information with same-footprint alternatives, application guidance, and practical selection criteria that are not consolidated in a single manufacturer datasheet.

견적 요청 문의하기
LM556 - Dual Timer 4.5-16V | Texas Instruments
LM556

LM556 - Dual Timer 4.5-16V | Texas Instruments

The Texas Instruments LM556 is a dual timer integrated circuit containing two independent 555-type timing sections in a 14-pin narrow SOIC package. Each section can operate as an astable oscillator or a monostable one-shot, while sharing only the common VCC and ground connections. The device operates from 4.5 V to 16 V, supports timing intervals from microseconds to hours, and provides TTL-compatible output drive. A dual timer is an integrated timing circuit that combines threshold sensing, trigger control, discharge switching, and an output stage in each timer section. In the broader semiconductor hierarchy, the LM556 is a timer and oscillator within clock and timing integrated circuits. Its two independent sections can generate delayed pulses, control switching waveforms, flash lamps, pace sequential events, or provide two related timing functions without requiring two separate single-timer packages. Each LM556 timing function uses an external timing resistor and timing capacitor. The trigger input can initiate a one-shot pulse, while the threshold input provides feedback for astable oscillation. A control-voltage input permits the timing reference to be adjusted within the limits defined by the manufacturer datasheet. The two timer sections operate independently, so one circuit can perform timing while the other handles a related but separate delay or pulse-generation function. The LM556 operates across a 4.5 V to 16 V supply range. Many operating characteristics apply from 0 °C to 70 °C, while the Electrical Characteristics section identifies parameters that vary with voltage or temperature. The cited temperature-stability figure is 0.005% per °C, indicating how the timing characteristic can change across temperature. The output stage is TTL compatible, which supports interfacing with standard digital logic when the operating and load conditions are appropriate. Typical uses include two-stage sequential timers, LED and lamp flashers, pulse-width control, delayed-action circuits, simple audio pulsation, industrial control timing, and laboratory pulse generators. Because each section can be configured independently, the LM556 is especially useful when a design needs two timing functions but does not justify two separate timer packages. The shared supply and ground pins also simplify the power architecture. The principal design consideration is ensuring that timing-component values, discharge-device limits, control-voltage behavior, and output loading remain within the datasheet limits. Because both sections share VCC and ground, bypassing and return-current paths should support both timer sections operating simultaneously. Pin assignments should be checked against the exact SOIC footprint before PCB release. This page consolidates the LM556 timing functions, operating limits, package details, application guidance, and verified replacement information into an engineering-focused reference. It also identifies where pin-compatible substitution requires additional datasheet and qualification review rather than treating package similarity alone as sufficient approval.

견적 요청 문의하기
LM556CM - Dual 555 Timer | Fairchild | Industrial
LM556CM

LM556CM - Dual 555 Timer | Fairchild | Industrial

The Fairchild Semiconductor LM556CM is a dual 555-type timer and oscillator integrated circuit packaged in a 14-SOIC. It operates from 4.5 V to 16 V, supports timing or oscillation functions up to 3 MHz, and provides TTL-compatible normally on and normally off outputs. The device combines two independent timer sections in one package, reducing component count in circuits that require two adjustable time intervals or dual-frequency outputs. A 555-type timer is a programmable timing IC that can operate as an astable oscillator or a monostable pulse generator. In astable mode, external resistors and a capacitor establish repetitive switching, while the output produces a continuous waveform. In monostable mode, a trigger starts one timed output pulse. The LM556CM places two such timer functions in a single 14-SOIC package, making it useful where PCB area is constrained. The principal verified specifications include a 4.5 V to 16 V supply range, operation up to 3 MHz, and TTL-compatible normally on and normally off outputs. The dual architecture allows both timer sections to be used together or independently. Its 14-SOIC package is a surface-mount package compatible with conventional automated PCB assembly, although exact board dimensions and pin mapping must be confirmed against the selected manufacturer datasheet before layout. The LM556CM combines two classic 555-type timing blocks with separate timing and output functions. Its operating range supports conventional 5 V and 12 V system rails, while the stated upper limit of 16 V provides additional design headroom. The 3 MHz maximum operating frequency identifies it as a general-purpose timing solution rather than a precision real-time-clock or low-frequency timer. Typical uses include industrial pulse generation, retriggerable delay circuits, dual-tone generation, LED flashers, motor or solenoid timing, test equipment, and general control systems. Two timers in one package can simplify designs that need independent delays, complementary pulse outputs, or two adjustable waveforms while reducing the number of external IC footprints. Circuit design should account for timing-component tolerances, supply decoupling, output loading, and the required trigger and reset levels. Because the verified data identifies the package and core ratings but does not provide a complete pin map or detailed output-current limits, engineers should verify those details in the manufacturer datasheet for the exact branded source being procured. This page consolidates verified distributor data, source links, package information, drop-in sourcing alternatives, and practical selection guidance. It is designed to support faster engineering comparison while clearly identifying specifications that require confirmation from the exact manufacturer datasheet.

견적 요청 문의하기
LM556CN - Dual Timer, 4.5-16V, 14-DIP | onsemi
LM556CN

LM556CN - Dual Timer, 4.5-16V, 14-DIP | onsemi

The onsemi LM556CN is a dual-programmable timer integrated circuit containing two independent 555-compatible timer sections in a 14-pin DIP package. It operates from 4.5 V to 16 V, supports both astable and monostable operation, and provides timing intervals ranging from microseconds to hours. Each timer uses an external resistor and capacitor to establish its timing characteristics, allowing one package to replace two separate single timers. A dual timer is a timing and oscillator IC that generates controlled time delays or periodic waveforms. Within the product hierarchy, the LM556CN belongs to the timer and oscillator class, the clock and timing category, and ultimately the broader semiconductor and integrated-circuit ecosystem. Its two timer sections can operate independently, making it useful when a design needs two related timing functions without allocating two separate packages. Verified device features include operation in both astable and monostable modes, high output current with TTL compatibility, adjustable duty cycle, and temperature stability of 0.005% per degree Celsius. The specified supply range of 4.5 V to 16 V supports both conventional 5 V logic systems and higher-voltage industrial control environments. Many operating characteristics apply from 0°C to 70°C, as stated in the manufacturer datasheet. Each internal timer includes threshold, trigger, output, reset, discharge, and control functions. In monostable mode, the circuit produces one timed pulse after a trigger event. In astable mode, it repeatedly charges and discharges an external timing capacitor and drives an output waveform. The output stage can sink and source relatively high current and remains TTL compatible, reducing the need for added output-driver circuitry in many applications. Typical uses include industrial pulse and delay generation, LED and indicator flashing, periodic sampling triggers, simple clock or oscillator circuits, and two-channel debounce or delay systems. The DIP-14 package also supports through-hole insertion and replacement of two discrete 555 timers, although legacy DIP construction should be considered for new compact designs. Designers should preserve the timing-capacitor and timing-resistor connections near the appropriate IC pins and account for temperature and supply sensitivity when setting long delays. Decoupling should minimize supply disturbances, while reset and trigger signals require suitable logic levels and clean transitions. Verify the exact pin functions and electrical limits in the manufacturer datasheet before layout or production use.

견적 요청 문의하기
LM567CM - 8-SOIC Tone Decoder | Texas Instruments
LM567CM

LM567CM - 8-SOIC Tone Decoder | Texas Instruments

The Texas Instruments LM567CM is a general-purpose tone decoder IC in an 8-pin SOIC package. The device uses a voltage-controlled oscillator and I/Q detection circuitry to identify a selected audio-frequency tone and activate a saturated transistor switch to ground when the input signal falls within the selected passband. The verified product information identifies a 4.75 V to 9 V supply range, 12 mA supply current, 0°C to 70°C operating temperature range, and 1.10 W power rating. LM567CM is commonly used for telephone, communications, remote-control, tone-selective signaling, and embedded audio-tone detection systems. A tone decoder is a signal-processing IC that converts the presence or absence of a particular frequency into a digital or switch-level output. The LM567 belongs to the broader tone-decoder, frequency-detection, interface, and signal-processing categories. Its oscillator sets the center frequency of the decoder, while the input detector evaluates the relationship between the incoming signal and that oscillator frequency. This makes the device useful when a system must make a hardware decision based on an analog tone rather than relying entirely on software frequency analysis. The LM567CM is packaged in an 8-pin narrow SOIC and is specified for a single decoder circuit. The verified electrical data indicates a 4.75 V minimum supply voltage and 9 V maximum supply voltage, with a supply current of 12 mA. Its 0°C to 70°C operating range makes it a commercial-temperature device rather than an explicitly automotive-grade or extended-temperature part. The listed 1.10 W power value should be treated as the maximum published power rating, not as typical dissipation in every operating condition. The LM567 family provides a saturated transistor output to ground when the input tone is present within the passband. In a typical circuit, the device is combined with resistors and capacitors that establish oscillator frequency, bandwidth, and filtering behavior. Component tolerances and temperature drift determine the practical center-frequency accuracy and detection bandwidth. Designers should also account for input signal level, supply decoupling, output pull-up requirements, and the possibility that the transistor output conducts whenever the detector is asserted. Typical applications include telephone line tone decoding, communications equipment, audio signaling, remote-control receivers, frequency-selective alarm systems, industrial control interfaces, and embedded tone recognition. In each case, the LM567CM provides a hardware output that can be read by a microcontroller or used to control a relay, indicator, or other system actuator. The circuit is especially useful when a fast, simple tone decision is required without allocating processor resources to a complete spectrum-analysis algorithm. For a reliable implementation, place the LM567CM close to its timing and filter components, use a stable supply with local bypass capacitance, and verify the selected oscillator components against the required tone frequency. The output transistor is brought to ground when a tone is detected, so the application must provide the correct pull-up arrangement and must not assume an actively driven high output. The manufacturer datasheet should be used for the exact pinout, timing equations, output ratings, and recommended application circuit. This product record combines the verified LM567CM specifications with a same-package alternative review, practical tone-decoder design guidance, and a parameter-oriented comparison of available replacements. It is intended to help engineers narrow the selection quickly while preserving the need to validate pinout, electrical limits, timing, and sourcing details against the manufacturer documentation before production substitution.

견적 요청 문의하기
LM567CN - 0.5MHz Tone Decoder, 8-Pin DIP | Texas Instruments
LM567CN

LM567CN - 0.5MHz Tone Decoder, 8-Pin DIP | Texas Instruments

The Texas Instruments LM567CN is a general-purpose bipolar tone decoder with a nominal decoding frequency of 0.5 MHz, one decoder circuit, and an 8-pin DIP package. It operates from 4.75 V to 9 V, draws approximately 12 mA of supply current, and is specified for a 0°C to 70°C operating-temperature range. The LM567CN detects a tone within its passband and activates a saturated transistor switch connected to ground, providing a simple digital indication of a selected frequency. A tone decoder is a frequency-selective interface integrated circuit that belongs to the broader signal-processing and communications-interface hierarchy. Its oscillator and narrowband detector determine whether an incoming signal matches the programmed center frequency. The LM567 and LM567C families are commonly used when a system must acknowledge a carrier, command frequency, or control tone without requiring a general-purpose microcontroller to perform continuous frequency analysis. Key features include one tone-decoding channel, a 4.75 V to 9 V supply range, approximately 12 mA supply current, and a saturated transistor output. The 8-pin DIP format supports through-hole PCB assembly and provides a practical migration path for designs using older tone-decoder implementations. The operating-temperature rating of 0°C to 70°C identifies this part as a commercial-temperature device rather than an extended-temperature or automotive-grade component. The LM567CN combines a frequency-selective detector with an oscillator whose timing components establish the nominal tone frequency. External resistors and capacitors set the timing and filter characteristics, while the input stage determines the signal level presented to the decoder. Its transistor output provides a straightforward interface to logic gates, relays, counters, or system-control inputs without requiring a separate analog output amplifier. Typical uses include telephone and communications signaling, remote-control receivers, industrial tone-command systems, frequency-selection modules, and embedded control systems. The LM567CN is most appropriate when a fixed or adjustable narrow-band tone must be detected reliably at a relatively high frequency compared with many audio tone decoders. System designers should verify timing tolerances, capture bandwidth, input signal level, and output-load requirements in the manufacturer datasheet. Because this is a through-hole commercial-temperature tone decoder, the primary design trade-off is implementation simplicity versus modern integration and temperature range. A microcontroller-based detector may offer programmable filtering and logging, while the LM567CN provides autonomous hardware detection with minimal firmware. This page consolidates the verified supply, power, package, functional, and cross-reference information while clearly identifying parameters that still require confirmation from the complete manufacturer datasheet.

견적 요청 문의하기