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Productos (32725)

TPA302D - 300mW Stereo Class-AB Amplifier | Texas Instruments
TPA302D

TPA302D - 300mW Stereo Class-AB Amplifier | Texas Instruments

The Texas Instruments TPA302D is a 300 mW stereo, analog-input Class-AB audio power amplifier with two output channels and an 8-pin SOIC (D) package. It is designed for compact audio systems operating from 5 V and 3.3 V supplies. The manufacturer describes 250 mW continuous average output per channel into an 8-ohm load and 60 mW at less than 0.06% THD+N. A Class-AB audio amplifier is a linear power-amplifier category that combines an analog input signal with transistor output stages capable of driving speakers and other finite loads. The TPA302D belongs to the broader hierarchy of audio amplifiers, audio ICs, analog signal-conditioning ICs, and semiconductor devices. Its stereo architecture supports two audio channels while its analog inputs permit direct connection to conventional audio sources. Key features include shutdown control, internal mid-rail generation, thermal protection, and short-circuit protection. The device is also identified as a functional equivalent of the LM4880 in the supplied technical data. Its 8-pin SOIC package reduces board space and supports automated surface-mount assembly. The verified product information specifically identifies the amplifier as a 300 mW stereo Class-AB device with analog input. The TPA302 architecture uses separate left and right amplification paths to provide stereo output from analog input signals. The internal mid-rail feature can support single-supply audio architectures, while shutdown control allows the system to place the amplifier in a lower-power state when audio is not required. The datasheet and product listing also indicate compatibility with 5 V and 3.3 V operation, which makes the device relevant to portable equipment, small consumer audio products, and low-voltage embedded systems. Typical applications include compact stereo speakers, portable audio equipment, auxiliary audio products, USB or docking-system audio paths, and small embedded audio subsystems. The 8-ohm speaker-load target and 250 mW continuous average capability are suitable for low-to-moderate listening levels, although the available output power depends on supply voltage, load impedance, channel balance, thermal conditions, and signal level. Designers should verify the SOIC footprint, supply decoupling, output-filter requirements, speaker wiring, thermal rise, and shutdown polarity against the manufacturer datasheet before layout release. The device is not a Class-D switching amplifier, so its output-stage dissipation and analog signal integrity should be checked carefully in continuous-use designs.

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TPA302DR - 300mW Stereo Class-AB Amplifier | Texas Instruments
TPA302DR

TPA302DR - 300mW Stereo Class-AB Amplifier | Texas Instruments

The Texas Instruments TPA302DR is a 300 mW stereo analog-input Class-AB audio amplifier with a 1.5 MHz bandwidth, 5.5 V maximum supply voltage, and an 8-pin SOIC package. It delivers 250 mW per channel into an 8-ohm load and provides 60 mW of continuous output power at less than 0.06% THD+N. Designed for compact audio systems, the TPA302DR combines stereo output, internal mid-rail generation, shutdown control, and thermal and short-circuit protection in a low-profile surface-mount package. A Class-AB audio amplifier is an analog signal-processing integrated circuit that uses push-pull transistor output stages to drive speakers or other low-impedance loads. The TPA302DR belongs to the broader audio-amplifier hierarchy, which includes stereo amplifiers, linear amplifiers, and semiconductor power amplifiers. Its Class-AB architecture provides continuous bipolar output rather than the pulsed output associated with Class-D designs, making it suitable for low-power portable, personal-audio, and auxiliary audio products. Key features include 300 mW stereo output capability, 1.5 MHz bandwidth, operation from 5 V and 3.3 V rails, internally generated mid-rail voltage, shutdown control, and thermal and short-circuit protection. The 8-pin SOIC package reduces board area and supports automated surface-mount assembly. These characteristics make the device useful where two analog audio channels must drive headphones or small speakers without the complexity of a switching amplifier and external mid-rail circuitry. The amplifier accepts analog left- and right-channel inputs and uses external gain-setting resistors to establish channel gain. According to the Texas Instruments TPA302 data sheet, the device is specified for operation from a 5 V supply and is also compatible with 3.3 V operation. Its internally generated mid-rail provides a convenient common return for single-supply audio signals, while the shutdown function can reduce supply consumption when the audio path is not active. Typical applications include portable speakers, headphone and headset drivers, personal-audio accessories, small consumer-audio systems, and compact embedded audio products. The 250 mW-per-channel capability into 8 ohms is appropriate for low-impedance transducers rather than high-power loudspeaker systems. System designers should confirm speaker impedance, amplifier gain, input coupling, output configuration, and power-supply headroom before finalizing the analog and layout design. A key design consideration is the distinction between the 300 mW headline output rating and the verified application condition of 250 mW per channel into 8 ohms. Allow for copper, nearby heat sources, enclosure temperature, and supply tolerance, and use the datasheet thermal information to assess reliable operation. This page synthesizes verified manufacturer and distributor information, engineering design notes, comparison data, and drop-in replacement guidance beyond the basic distributor listing.

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TPA311D - 350mW Mono Class-AB Amplifier | Texas Instruments
TPA311D

TPA311D - 350mW Mono Class-AB Amplifier | Texas Instruments

The Texas Instruments TPA311D is a 350 mW mono Class-AB audio amplifier with bridge-tied-load to single-ended switching mode, specified for 3.3 V and 5 V operation and housed in an 8-pin SOIC package. It is designed for low-voltage audio paths where an internal speaker and external earphone may share the same system. According to the verified distributor listing, TPA311D is a one-channel mono Class-AB amplifier in an 8-SOIC package. A Class-AB audio amplifier is a linear audio amplifier whose output devices conduct for part of the signal cycle. In the audio-power hierarchy, it provides a relatively linear output with less switching-related EMI than many Class-D solutions, making it useful in compact voice, portable-device, and low-voltage speaker systems. The TPA311 family also supports bridge-tied-load and single-ended operating modes, allowing the device to serve internal-speaker and earphone paths with appropriate output configuration. The verified data identifies the TPA311 as a 350 mW mono audio power amplifier and highlights operation at 3.3 V and 5 V, wide power-supply compatibility, bridge-tied-load to single-ended mode control, integrated depop circuitry, and thermal and short-circuit protection. The manufacturer product page describes 250 mW continuous power into a bridge-tied 8-ohm load at less than 1% THD+N throughout voice-band frequencies when operated from a 3.3 V supply. These figures describe the TPA311 family context associated with TPA311D. The architecture is suitable for compact audio equipment where a low-voltage supply limits available output power. The integrated protection features help manage thermal and short-circuit conditions, while depop circuitry helps control output transients during startup or mode changes. Engineers should still validate speaker impedance, supply headroom, thermal dissipation, and the selected output topology against the manufacturer datasheet before releasing a production PCB. Typical uses include portable audio products, voice-enabled devices, small speaker systems, headphone or earphone interfaces, and embedded audio subsystems. The 8-SOIC package simplifies assembly for designs using conventional surface-mount production processes. Because the target is a legacy audio amplifier family, availability, lifecycle status, pricing, and exact electrical limits should be reconfirmed from current manufacturer and distributor data. A key design consideration is the difference between the family headline rating of 350 mW and the verified 3.3 V application condition of 250 mW into an 8-ohm BTL load at less than 1% THD+N. The circuit must be designed around the actual supply, load, package thermal behavior, and output mode rather than treating the headline power as an unconditional speaker rating. This page combines verified source data with structured engineering guidance and clearly identifies unavailable parameters.

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TPA311DR - 350mW Mono Class-AB Amplifier | Texas Instruments
TPA311DR

TPA311DR - 350mW Mono Class-AB Amplifier | Texas Instruments

Texas Instruments TPA311DR is a 350 mW mono Class-AB audio power amplifier with bridge-tied-load and single-ended operating modes, specified for operation from a 3.3 V supply and supplied in an 8-pin SOIC package. It is designed to drive internal speakers or external earphones in compact, low-voltage audio systems. According to the manufacturer product page, the TPA311 family supports fully specified 3.3 V and 5 V operation, integrated BTL-to-SE mode control, integrated depop circuitry, and thermal and short-circuit protection. The R suffix identifies the taped-and-reeled ordering option, while the device itself is a single-channel Class-AB audio amplifier. An audio power amplifier is an integrated circuit that converts a low-level audio input into a higher-current signal capable of driving a loudspeaker or other transducer. The TPA311 belongs to the Class-AB amplifier hierarchy within audio amplifiers and power-management ICs. Its bridge-tied-load mode increases usable output voltage into a differential speaker, while single-ended mode allows the same device to drive an external earphone when the system requires a grounded output. Key features include 350 mW rated output capability, compatibility with 3.3 V and 5 V supplies, integrated BTL-to-SE mode control, integrated depop circuitry, and built-in thermal and short-circuit protection. These features make the device suitable for portable audio, voice terminals, personal-audio products, and other compact systems in which a single-speaker or earphone output is needed without a large external amplifier module. The architecture is optimized for low-voltage operation. At a 3.3 V supply, the manufacturer documentation describes 250 mW continuous output into an 8-ohm BTL load at less than 1% THD+N across voice-band frequencies. The lower output-power figure reflects the device's 3.3 V operating condition; the family-level headline rating is 350 mW. BTL operation suppresses the DC output offset at the speaker and can provide greater output swing than a conventional single-ended amplifier. Typical applications include portable media players, personal audio accessories, voice-call terminals, compact speakers, and low-voltage embedded audio products. The TPA311DR can be selected when the board uses an 8-pin SOIC footprint and requires integrated protection rather than a discrete output stage. A key design consideration is output-mode configuration: the mode-control function must be connected or configured as required by the manufacturer reference design for the intended BTL or SE load. Input and output decoupling, speaker-return routing, thermal copper, and clean grounding are essential for low distortion and stable operation. This page consolidates verified manufacturer and distributor information, drop-in candidate screening, application guidance, and practical PCB considerations. It also distinguishes explicitly sourced facts from unavailable specifications, helping engineers make a defensible design decision without relying on a generic distributor listing alone.

USD $0,37 En stock
TPA321D - 700mW Mono Class-AB Audio Amp | TI
TPA321D

TPA321D - 700mW Mono Class-AB Audio Amp | TI

The Texas Instruments TPA321D is a 700 mW mono analog-input Class-AB audio power amplifier with differential inputs, operating from 2.5 V to 5.5 V in an 8-pin SOIC package. It is designed for low-voltage systems that drive internal speakers through a bridge-tied-load output. An audio power amplifier is an integrated circuit that increases the voltage and current capability of an analog audio signal so it can drive a loudspeaker or other finite impedance. A Class-AB amplifier provides linear operation with lower crossover distortion than a traditional Class-B design. A differential input accepts signal voltage between two input terminals, while a bridge-tied-load output uses both amplifier outputs to develop voltage across the speaker without requiring a speaker-coupling capacitor. The TPA321 family is specified for 3.3 V and 5 V operation and supports a 2.5 V to 5.5 V supply range. At a 3.3 V supply, the manufacturer material states that the device can deliver 250 mW continuously into an 8-ohm bridge-tied load with less than 1% THD+N over the voice band. The TPA321D ordering option is supplied in the 8-pin SOIC package and supports a -40°C to +85°C operating-temperature range. Differential input architecture can help reject common-mode noise when the source is balanced or when noise appears equally on both input conductors. The bridge-tied-load topology places the speaker between OUT+ and OUT-, so neither output pin should be grounded merely to establish a common reference. Input, supply, and output stability components must be implemented according to the manufacturer datasheet to preserve stable operation and acceptable distortion. Typical uses include portable-device speakers, compact audio accessories, personal-audio products, and other low-voltage mono sound systems. The design is appropriate when a small internal speaker must be driven directly and board area is limited. At higher power or with a longer speaker connection, cable losses and load tolerance should be checked before release. Decoupling capacitors should be placed close to the supply pins, and input components should be arranged to minimize the audio trace area. Thermal performance depends on supply voltage, output power, speaker impedance, PCB copper, and ambient temperature. This page combines verified product information with purchasing guidance and design context. This data page distinguishes TPA321D from the broader TPA321 family, summarizes the electrically relevant evidence, and organizes sourcing and replacement questions. Values not explicitly supplied by the retrieved manufacturer or distributor data remain marked for verification rather than inferred.

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TPA3255DDVR - 315W Stereo Class-D Amplifier | Texas Instruments
TPA3255DDVR

TPA3255DDVR - 315W Stereo Class-D Amplifier | Texas Instruments

The Texas Instruments TPA3255DDVR is a 315 W stereo, 600 W mono, analog-input Class-D audio power amplifier with an 18 V to 53.5 V supply range, supplied in a 44-pin HTSSOP DDV package. It is designed for high-power audio systems requiring efficient amplification and premium sound quality. The device supports two-channel stereo operation and can also be configured for mono use at higher output power. A Class-D audio amplifier is a switching power amplifier that uses transistor switching to deliver audio energy efficiently. In the broader hierarchy, a Class-D amplifier belongs to audio amplifiers, linear and nonlinear power amplifiers, and power-management semiconductor systems. Compared with a conventional linear audio amplifier, its switching architecture can reduce wasted power and heat while maintaining high output capability. The verified product information identifies 315 W stereo output, 600 W mono output, analog input, an 18 V to 53.5 V supply range, and a 44-pin HTSSOP package. The distributor listing also identifies the amplifier as a two-channel stereo Class-D device. These ratings make it suitable for professional audio, home-theater, public-address, multimedia, and other high-power sound systems where load capability and efficiency are important. Thermal design is central to using this amplifier because Class-D power stages can dissipate substantial heat at high output power. The DDV package provides a large thermal pad for board-level heat spreading, but the exact thermal resistance, output configuration details, protection thresholds, and application-specific limits must be taken from the manufacturer datasheet. The verified distributor information reports a 44-pin PowerTSSOP package and an operating-temperature range of 0 to 70 °C for the listed orderable part. Typical implementation uses analog audio inputs into the Class-D power stage, with speaker outputs driving stereo or bridged mono configurations. The amplifier is appropriate when the system supply is in the verified 18 V to 53.5 V range and the load is compatible with the manufacturer-defined output power conditions. Board layout, speaker wiring, grounding, thermal management, and protection circuitry should follow the TI datasheet and evaluation-board guidance. This product page combines verified Texas Instruments specifications, distributor package and sourcing information, application guidance, and verified cross-reference results. It distinguishes the high-power TPA3255DDVR from lower-power or functionally similar parts that may use different packages or pin configurations.

USD $10,68 En stock
TPLD2001 - 18-GPIO PLD with I2C/SPI | Texas Instruments
TPLD2001

TPLD2001 - 18-GPIO PLD with I2C/SPI | Texas Instruments

The TPLD2001 is a programmable logic device (PLD) from Texas Instruments featuring 18 GPIOs and a selectable I2C/SPI interface. It is supplied in a 20-VSSOP package and integrates configurable macro-cells built from 2-, 3-, and 4-bit lookup tables (LUTs) together with sequential logic and analog blocks. The device operates from 1.71V to 5.5V over -40°C to 125°C and is qualified for automotive applications. A programmable logic device is an integrated circuit whose logic function is defined by the user after manufacturing. In the TPLD family, InterConnect Studio is used to configure the non-volatile memory, either by emulating OTP memory or permanently programming the one-time programmable fuse. PLDs sit between standard fixed-function logic and large CPLDs/FPGAs, providing a compact, low-power way to integrate glue logic, timing, reset, power sequencing, and I/O expansion functions. Key features include 18 GPIOs, 14 macrocells, and a configurable I2C/SPI port for system communication and in-system configuration. The 2/3/4-bit LUT macrocells allow flexible combinatorial logic; sequential blocks support timers, delays, and state machines. The wide 1.71V to 5.5V supply range permits operation from Li-ion batteries, 3.3V rails, or 5V industrial buses, and the -40°C to 125°C temperature range covers automotive and industrial environments. The device's analog blocks provide voltage monitoring and reset generation, eliminating external supervisor ICs. Its low power and compact 20-VSSOP package make it suitable for space-constrained designs. Because logic functions are configured in the OTP memory and the same base part can be used across many designs, inventory can be consolidated. The selectable I2C/SPI port also allows integration into microcontroller-based systems for status readback or dynamic reconfiguration when the non-volatile logic is emulated. Typical applications include timing delay generation, voltage monitoring and reset generation, power sequencing, I/O expansion, and glue logic consolidation in automotive body electronics, industrial sensors, and consumer devices. Designers can use InterConnect Studio to implement and simulate logic before programming. When designing with TPLD2001, plan the OTP programming step during production and verify I/O assignments before programming, because OTP cannot be changed after the permanent fuse is blown.

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TPS2371D - IEEE 802.3af PoE Power Interface Switch | TI
TPS2371D

TPS2371D - IEEE 802.3af PoE Power Interface Switch | TI

The Texas Instruments TPS2371D is an IEEE 802.3af-compatible power interface switch for Power over Ethernet powered devices, with an 8-pin SOIC package. It is designed for PoE powered-device front ends that require controlled power delivery from an Ethernet connection. The verified listing identifies the device as a specialized power interface switch with a nominal 48 V supply context, CMOS technology, eight terminals, and a 1.27 mm terminal pitch. A power interface switch is the input-side protection and power-management circuit between an Ethernet cable and a PoE powered device. Its role is to establish the power path, protect the downstream system from unsuitable input conditions, and support the current and voltage limits associated with legacy IEEE 802.3af PoE systems. In system terms, it belongs to the power-management IC hierarchy and the broader PoE interface ecosystem. The main verified characteristics are legacy IEEE 802.3af compatibility, operation in the PoE power domain, an 8-terminal surface-mount SOIC format, and a listed maximum operating temperature of 70 °C. The distributor record also identifies a 57 V-related comparison context, while the supplied Partstack result lists 48 V nominal voltage. These figures should be checked against the manufacturer datasheet before final design release because the search snippets do not provide the complete electrical characteristic table. Typical uses include PoE-powered IP cameras, network access points, VoIP phones, industrial Ethernet endpoints, and other powered devices connected through an Ethernet infrastructure. The device is appropriate when the design uses the legacy 802.3af power interface concept and the existing board uses the TPS2371D pin arrangement. It is not a generic USB power switch or a complete PoE PD controller; neighboring devices with similar package names may serve different voltage, current, or protection functions. For PCB implementation, place the switch close to the Ethernet input and power-entry components, maintain the datasheet-defined spacing for high-voltage copper, and provide the required input and output decoupling. Confirm absolute maximum ratings, operating voltage, current limit behavior, thermal conditions, and exposed-lead connections from the official TPS2371 documentation before applying it to a new design. This page consolidates verified distributor availability, manufacturer positioning, package information, procurement data, and design cautions for engineers evaluating TPS2371D replacements or PoE front-end implementations.

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TPS2371DR - IEEE 802.3af PoE PD Interface | Texas Instruments
TPS2371DR

TPS2371DR - IEEE 802.3af PoE PD Interface | Texas Instruments

The Texas Instruments TPS2371DR is an IEEE 802.3af-compatible power interface switch for Power over Ethernet powered devices, with integrated hot-swap and power-distribution functions in an 8-pin SOIC package. It provides a PD detection signature, class 0-4 classification signature, precision undervoltage lockout, a 20-ms UVLO off-time delay, and programmable inrush-current limiting. A Power over Ethernet powered-device interface is the circuit that receives power through an Ethernet cable, identifies the attached load, negotiates its power class, and safely connects that power to the local system. In the power hierarchy, a PD interface sits between the PoE supply and the powered equipment’s DC/DC converter or load. It prevents an unsupported or improperly connected network port from receiving unsafe power. The TPS2371DR’s principal engineering benefits are its IEEE 802.3af compatibility, integrated protection, and autonomous interface operation. The device provides both detection and classification signatures, eliminating separate handshake circuitry in many conventional PoE PD designs. Its internal hot-swap MOSFET helps control connection transients, while the programmable inrush limit reduces the stress applied to downstream capacitance and power circuitry. The chip also uses precision UVLO thresholds to distinguish valid operating conditions and includes a defined 20-ms off-time delay after UVLO. That delay provides controlled recovery before the interface attempts another valid operating state. As an 8-SOIC surface-mount device, the TPS2371DR supports compact PoE endpoint designs without requiring a large connector-side or board-edge package. Typical uses include IP cameras, VoIP phones, wireless access points, network switches, powered network adapters, and other low- to moderate-power Ethernet endpoints. These products can use the TPS2371DR when IEEE 802.3af behavior and a conventional eight-pin PoE PD interface are required. For higher-power or newer PoE standards, designers should verify the exact PSE, PD, class, voltage, and protection requirements before selecting this legacy-compatible device. Layout should keep the Ethernet input and power-path nodes physically separated from sensitive downstream electronics, and it should provide appropriate copper area for thermal dissipation during sustained power transfer. Component values must follow the manufacturer’s reference design because the programmable inrush and protection network determine startup behavior. The interface also requires correct grounding and protection placement to avoid allowing transient current into sensitive ports. This page consolidates the verified manufacturer, distributor, pricing, lifecycle, and replacement information for TPS2371DR, while clearly separating confirmed specifications from unavailable electrical details. It also provides application guidance and drop-in alternatives where the available cross-reference evidence supports pin and package compatibility.

USD $1,37 En stock
TPS3700DDCT - 18V Window Comparator | Texas Instruments
TPS3700DDCT

TPS3700DDCT - 18V Window Comparator | Texas Instruments

The Texas Instruments TPS3700DDCT is an 18 V window voltage comparator with a 400 mV internal reference, two open-drain outputs, and a 6-pin SOT-23-THIN package. It operates from 1.8 V to 18 V and monitors one rail for overvoltage and undervoltage conditions. Its adjustable thresholds can extend detection down to 400 mV, while the open-drain outputs are rated to 18 V. A window comparator is a voltage supervisor that combines two threshold comparisons around a monitored signal. It belongs to the comparator and power-management IC hierarchy, where it is used to identify when a supply enters an allowed operating window or exits it because of an excessive low or high condition. The TPS3700 can therefore operate as a combined window detector or as two independent voltage monitors. Key features include a wide 1.8 V to 18 V supply range, threshold accuracy of -1.0% over temperature, 0.25% typical threshold accuracy, and 5.5 uA typical quiescent current. The two open-drain outputs can be pulled up to an external voltage up to 18 V. Built-in hysteresis helps reject brief glitches and maintain stable outputs, while external resistors set the monitored voltage range. The TPS3700DDCT uses two high-accuracy comparators and an internal 400 mV reference. One comparator monitors the lower threshold and the other monitors the upper threshold, allowing detection of undervoltage and overvoltage separately. The monitored voltage is scaled with external resistors, making the device suitable for systems where the rail is higher than the internal reference. Typical applications include industrial 24 V input-bus monitoring, battery-pack protection, DC power-supply fault detection, load-switch sequencing, and embedded systems that require a hardware voltage supervisor. Its low quiescent current is useful in battery-powered equipment, while the 18 V operating range supports higher-voltage industrial rails. When designing the circuit, choose resistor values to keep the sense-node voltage within the comparator input limits and use pull-up resistors appropriate for the open-drain outputs. Confirm the logic polarity of both outputs in the system controller because a fault indication can require inversion. Review the manufacturer datasheet for threshold, hysteresis, input-current, and absolute-maximum details before finalizing the PCB layout.

USD $0,27 En stock
TPS3700DSET - 18V Window Voltage Detector | Texas Instruments
TPS3700DSET

TPS3700DSET - 18V Window Voltage Detector | Texas Instruments

The Texas Instruments TPS3700DSET is a high-voltage (18 V) window voltage detector for overvoltage and undervoltage monitoring, featuring two high-accuracy comparators with an internal 400 mV reference and two open-drain outputs rated to 18 V. It is offered in a 6-pin WSON package measuring 1.5 mm x 1.5 mm with a propagation delay of 29 us (maximum). A window voltage detector is a type of voltage supervisor or comparator circuit that monitors an input rail and asserts an alert whenever the rail falls outside a programmer-defined upper and lower threshold. It belongs to the broader family of comparators (amplifier ICs) which sit within power management ICs, and is commonly used as a safety watchdog in microprocessor and DSP power systems. Compared to single-threshold comparators, the window detector adds redundancy by failing-fast on both excursions, which is critical for ASIC rails, battery stacks, and industrial 24 V systems. Key features include a wide supply voltage range of 1.8 V to 18 V, threshold accuracy of 1.0% over temperature (0.25% typical), a low quiescent current of 5.5 uA typical, and built-in hysteresis on both comparators to reject brief glitches without false triggering. The monitored thresholds are set via external resistor dividers referenced to the internal 400 mV band-gap, and the two open-drain outputs can be pulled up to as high as 18 V for direct interface to logic rails or opto-isolators. The TPS3700DSET uses a CMOS architecture with a precision bandgap reference and twin comparators, giving it a clean offset and temperature-stable trip point across the -40C to +125C junction temperature range. The wide supply tolerance also lets it operate directly from 12 V and 15 V industrial rails without pre-regulation. Typical applications include overvoltage and undervoltage monitoring on 12 V industrial rails, battery-pack protection in multi-cell stacks, system reset generation for DSPs and microcontrollers, fault detection in PLC and motor-drive systems, and redundant safety supervision in medical and automotive subsystems. When designing with this device, choose the resistor divider ratio so the monitored voltage equals 400 mV at the desired trip point; hysteresis is fixed by internal design, but selection of the resistor network affects overall accuracy and input bias current error. This page consolidates verified distributor pricing, drop-in alternatives, and practical design notes for engineers evaluating the TPS3700DSET as a window supervisor.

USD $0,52 En stock
TPS3701DDCR - 36V Window Comparator | Texas Instruments
TPS3701DDCR

TPS3701DDCR - 36V Window Comparator | Texas Instruments

The Texas Instruments TPS3701DDCR is a 36 V window voltage comparator with an internal 400 mV reference, two open-drain outputs, and a 1.8 V to 36 V supply range, packaged in a 6-pin SOT-23-THIN. It monitors overvoltage and undervoltage conditions in industrial, embedded, and power-management systems. The two precision comparators can operate together as a window detector or independently as two voltage monitors, while external resistors set the monitored thresholds. A window comparator is a specialized voltage-monitoring IC that compares an input voltage against programmed upper and lower limits. Unlike a simple power-supply supervisor, this device combines two precision comparators, a low-power 400 mV reference, and separate fault outputs. It belongs to the broader hierarchy of comparator, voltage supervisor, power-management IC, and semiconductor categories. Its open-drain outputs can pull fault lines or enable signals low and may be wired for wired-AND behavior when required by the system architecture. Key features include a wide 1.8 V to 36 V supply operating range, thresholds adjustable down to 400 mV, low typical quiescent current of 7 microamperes, and high threshold accuracy. The outputs, identified as OUTA and OUTB, are rated to 25 V for overvoltage and undervoltage signaling. The monitored voltage is established with external resistor networks, allowing the same device to address different system rails without changing the comparator package. The TPS3701 architecture is useful when a system must distinguish a valid operating window from an unsafe condition. Two open-drain outputs provide separate information for undervoltage and overvoltage events, helping a controller, protection circuit, or system-management block respond without interpreting a single ambiguous fault signal. The internal reference improves repeatability when the monitored rail is divided down to the reference range. Typical applications include industrial control systems, embedded power rails, battery-powered equipment, power-supply sequencing, automotive-style voltage supervision, and general overvoltage or undervoltage protection. The 36 V supply capability is useful for systems whose monitored rails exceed conventional low-voltage logic levels, while the open-drain outputs allow flexible pull-up selection and interface-level adaptation. When designing the circuit, verify the external resistor divider limits, open-drain pull-up voltage, monitored-voltage range, and output timing before connecting the device. The 6-pin SOT-23-THIN package requires careful placement and adequate copper area. Because the outputs are open-drain, each line needs an appropriate pull-up unless it is intentionally connected to another open-drain node. This page combines manufacturer specifications, distributor availability information, application guidance, and verified replacement analysis. It is intended to help engineers identify whether the TPS3701DDCR fits a voltage-window monitoring design and to distinguish genuine same-footprint replacements from parts that only provide similar monitoring functions.

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TPS3701DDCT - 36V Dual Window Comparator | Texas Instruments
TPS3701DDCT

TPS3701DDCT - 36V Dual Window Comparator | Texas Instruments

The Texas Instruments TPS3701DDCT is a dual window voltage detector with two precision comparators, a 400 mV internal reference, and two open-drain outputs rated to 25 V, packaged in a 6-pin SOT-23-THIN configuration. It operates from 1.8 V to 36 V and is designed for overvoltage and undervoltage monitoring. A window comparator is a voltage detector that checks whether an input voltage lies between programmable upper and lower thresholds. Unlike a general-purpose comparator, this device integrates two comparison channels and a reference, allowing one IC to monitor both rail boundaries. In the power-management hierarchy, it belongs to the comparator and voltage-supervisor family rather than a power-regulator family. Key features include the 1.8 V to 36 V supply range, a 400 mV internal reference, two open-drain outputs, and monitoring flexibility through external resistor networks. The open-drain outputs can be pulled up to an appropriate external voltage, allowing wired interface use and flexible system-level signaling. Reported low quiescent current is approximately 7 µA typical, making the device suitable for low-power monitoring systems. The TPS3701 can operate as a window detector or as two independent voltage monitors. The monitored thresholds are established with external resistors, while the internal reference provides the comparison basis. Its high-voltage operating range allows monitoring of industrial supplies and other rails where input transients or nominal voltages exceed the range of simpler low-voltage supervisors. Response time is reported in distributor data as approximately 155 µs. Typical applications include industrial automation, battery systems, power-supply protection, sensor interfaces, and embedded control systems. It is especially useful when a system must assert separate fault signals when a monitored voltage becomes too high or too low. Because the outputs are open-drain, pull-up resistors are required unless the output is connected directly to a compatible pull-up arrangement. Designers should verify the full datasheet pinout, threshold tolerances, timing, output ratings, and capacitor or resistor recommendations before production. The SOT-23-THIN footprint supports compact layouts, but the open-drain pins and monitor-input network require careful routing. For replacements, compare the complete pinout and threshold architecture rather than selecting a part only by supply voltage or package name. This page combines verified manufacturer information, distributor pricing references, and practical design guidance.

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TPS4141-Q1 - 1200V Configurable Divider | Texas Instruments
TPS4141-Q1

TPS4141-Q1 - 1200V Configurable Divider | Texas Instruments

The Texas Instruments TPS4141-Q1 is a high-voltage precision matched resistor divider with an integrated programmable-gain amplifier (PGA), designed for accurate high-voltage measurement in automotive and industrial applications. The device supports input voltages up to 1200V and provides four configurable divider ratios via the DIV0 and DIV1 inputs. It is available in a 10.30mm × 10.30mm SOIC-11 (DWQ) package, optimized for space-constrained automotive systems. A high-voltage precision resistor divider is a specialized analog front-end IC that scales high-voltage inputs down to a safe range for downstream ADC or microcontroller measurement. It combines matched precision resistors with a PGA to maintain accuracy across temperature and voltage extremes, eliminating the need for discrete resistor networks and trimming. This architecture reduces board area and improves measurement reliability in high-voltage environments. The TPS4141-Q1 integrates a high-voltage switch that connects or disconnects the high-voltage sense pin, providing uni-directional current blocking when disconnected. The programmable-gain amplifier supports four divider ratios using DIV0 and DIV1, enabling flexible measurement scaling for different voltage ranges. External precision reference voltage can be supplied from REF to HVGND for bi-directional voltage measurement, and switching between uni-directional and bi-directional sensing during operation is possible. The device is AEC-Q100 qualified for automotive applications, ensuring robust performance over a wide temperature range. Its high-voltage capability and integrated switch make it suitable for battery management systems, traction inverters, and industrial motor drives where precise voltage monitoring is critical. The integrated PGA and matched resistors provide high accuracy, reducing system calibration overhead. Typical applications include electric vehicle battery pack voltage monitoring, solar inverter DC bus sensing, and industrial 24V/48V system voltage measurement. The high-voltage switch allows the sense line to be disconnected for safety or power saving, while the divider ratios allow the same device to serve multiple voltage ranges. Designers should ensure proper PCB clearance and creepage distances for 1200V operation, and use the external REF for bi-directional measurements when needed.

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TPS66021YBGR - 20V Sink, 5V Source USB-C Switch | TI
TPS66021YBGR

TPS66021YBGR - 20V Sink, 5V Source USB-C Switch | TI

The Texas Instruments TPS66021YBGR is a one-channel integrated USB-C Power Delivery source-and-sink power multiplexer with a 20V sink path, a 5V source path, and a 5V dead-battery VBUS LDO, housed in a 28-ball DSBGA package measuring 1.61 mm by 2.81 mm. It combines two directional power paths in a compact device intended to manage charging, powering, and protection around a USB-C connection. A USB-C power-path multiplexer is a specialized power-management integrated circuit that controls current between a connector and internal supply rails. It belongs to the hierarchy power multiplexer, power-path controller, power-management IC, and semiconductor. By combining source and sink switching, it can route external VBUS power into a system, provide regulated 5V power from an internal source, and isolate paths during faults or operating-mode changes. The verified manufacturer data identifies a 4V-to-22V sink power path and a 5V source path. The source path enters constant-current operation when its load exceeds the selected current-limit threshold. Each path includes overtemperature and reverse-current protection, while the family supports a fault indication for overcurrent and overtemperature events. The integrated high-voltage VBUS LDO provides 5V for this device and other system components under dead-battery conditions. The TPS66021 integrates a 20V USB-C sink capability and 5V source capability rather than acting only as a passive analog switch. Its VBUS-side architecture allows the system to distinguish and control external power conditions, while the source path supplies a defined output level. The fault function gives the host circuitry a signal when protection circuitry has detected an abnormal event, enabling controlled shutdown or fault recovery. Typical uses include USB-C laptop and tablet power adapters, portable equipment, battery-powered industrial products, and compact systems that must accept external USB-C power while retaining a safe internal 5V supply. The integrated source, sink, and dead-battery functions can reduce board area compared with a discrete switch network. Designers must still validate connector orientation, CC behavior, capacitor selection, current limits, thermal performance, and system power sequencing against the full manufacturer documentation. For PCB layout, follow the manufacturer package land pattern and place high-current input, output, and ground connections with short, wide paths. Place required input and output capacitors close to their associated balls and keep sensitive control and fault traces away from high-di/dt power loops. Verify the selected current threshold, startup behavior, and fault response in the final USB-C system. This page consolidates verified manufacturer descriptions, distributor availability, package information, replacement evidence, and application guidance. It also distinguishes confirmed facts from parameters that require the complete datasheet, preventing unsupported electrical or compliance assumptions during design review.

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TPS8802DCPR - Smoke Alarm AFE with CO Support | TI
TPS8802DCPR

TPS8802DCPR - Smoke Alarm AFE with CO Support | TI

The Texas Instruments TPS8802DCPR is a smoke-alarm analog front end (AFE) for residential smoke detectors, integrating the regulators, amplifiers, and drivers required for a dual-wave photoelectric smoke alarm and carbon monoxide detection system. The verified distributor listing identifies a 38-pin HTSSOP package and analog input with I2C output. TI describes the device as a high-performance, multi-channel, digital-input solution whose flexible architecture suits smoke-alarm systems where precision and power consumption are critical. What is a smoke-alarm analog front end? An AFE is a semiconductor that connects physical sensing elements to an embedded system. In a photoelectric alarm, light scattering and light-absorption signals require controlled excitation, amplification, filtering, and diagnosis. The TPS8802DCPR integrates those signal-chain functions together with supporting regulators and drivers, reducing the number of discrete components and helping designers create a compact, low-power detector platform. The verified TI product information highlights a wide input-voltage range, low standby-power consumption, and power-saving features designed to support 10-year battery-powered smoke-alarm systems. Its dual-wave photoelectric architecture and CO-detection capability allow one integrated platform to combine optical smoke sensing with electrochemical CO-sensor signal conditioning. The I2C interface provides a digital control and diagnostic path, while the analog input supports direct connection to sensing circuitry. The TPS8802DCPR is intended for residential smoke alarms, combination smoke-and-CO alarms, and other safety products requiring highly integrated sensing support. Its integrated regulators and amplifiers can simplify power-tree design compared with a discrete implementation, while digital configuration can support manufacturing tests and field diagnostics. Exact electrical limits, gain settings, timing values, and pin functions were not included in the supplied verified records and therefore require confirmation from the manufacturer datasheet before design release. For battery operation, standby current is especially important because the target application is a long-lived safety device. Designers should calculate average and peak current across the sensing duty cycle, confirm regulator startup behavior, and verify that low-power modes preserve alarm thresholds and diagnostic performance. The I2C pull-up arrangement, grounding, and decoupling should follow the manufacturer layout guidance to prevent communication errors or unintended current consumption. This product page consolidates the verified distributor classification, manufacturer application description, package information, source links, and design cautions. It does not invent electrical parameters or claim unverified drop-in equivalents. Confirm the complete pinout, absolute maximum ratings, recommended operating conditions, and lifecycle status in the current Texas Instruments documentation before schematic capture or PCB release.

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TPS8804DCPR - Analog Front End for Commercial Smoke Detector | Texas Instruments
TPS8804DCPR

TPS8804DCPR - Analog Front End for Commercial Smoke Detector | Texas Instruments

The Texas Instruments TPS8804DCPR is an integrated analog front end (AFE) and system power management IC for commercial smoke detectors. Housed in a 38-pin HTSSOP (DCP) package, it integrates multiple functions including photoelectric chamber driver circuitry, a piezo buzzer driver, an I2C communication interface, and a low-dropout (LDO) regulator chain to support battery-powered smoke alarm designs. A smoke detector AFE is a specialized analog front end that combines the bias and signal-conditioning paths used by optical or ionization smoke sensors with the housekeeping functions needed to run a battery-powered alarm. The TPS8804DCPR falls within the broader family of sensor and detector interface ICs that sit between the physical sensor element (photodiode or ionization chamber) and the system microcontroller or horns driver. Its role is to power, bias, read, and test the sensor while managing battery life, supervisory housekeeping, and interconnect functions across multi-unit networked installations. Key features include analog signal paths for both photoelectric and ionization smoke sensor types, an integrated boost converter for high-current piezo buzzer drive, an integrated LDO chain for system rails, an I2C interface for configuration and status readback, an interconnect driver for interlinking multiple smoke alarm units in a building, and on-chip timers for sensor self-test. The IC is intended for use with an external MCU that runs the smoke detection firmware. Operating voltage is designed to support common 9V battery and regulated mains-powered topologies. The TPS8804DCPR is optimized for ultra-low standby current so the detector can sit on a battery for years without replacement, while still providing rapid sensor biasing and high-current piezo drive during an alarm event. Its integrated boost converter eliminates the need for a discrete driver MOSFET and inductor for the buzzer, reducing BOM count. The HTSSOP-38 package provides adequate thermal dissipation for the piezo boost stage at typical alarm sound pressure levels. Typical applications include residential and commercial smoke alarms, CO-and-smoke combination detectors, heat detectors with piezo alarms, and industrial safety notification appliances. The interconnect feature lets installers link multiple units so that all alarms sound when any one unit triggers, a key requirement for multi-room buildings. When designing with this part, follow the reference layout in the TPS8804 datasheet for the boost inductor and feedback loop. Use low-leakage ceramic capacitors on the photo-sensor input to preserve low standby current and accurate chamber biasing. This page synthesizes distributor pricing, drop-in alternative cross-references, and practical design notes not found in the manufacturer datasheet alone.

USD $2,89 En stock
TRS3221EIDBR - 3-5.5V RS-232 Transceiver, ±15kV ESD | Texas Instruments
TRS3221EIDBR

TRS3221EIDBR - 3-5.5V RS-232 Transceiver, ±15kV ESD | Texas Instruments

The Texas Instruments TRS3221EIDBR is a 3-V to 5.5-V single-channel RS-232 line driver/receiver with ±15-kV IEC-ESD protection, packaged in a 16-pin SSOP (DB). It operates from a single supply rail and integrates a charge-pump that generates the ±RS-232 voltage swing from the input supply, so no external ±12 V rails are required. The device supports data rates up to 250 kbps and is rated for ±15-kV HBM, ±8-kV IEC 61000-4-2 contact, and ±15-kV IEC 61000-4-2 air-gap ESD strikes on the RS-232 bus pins. An RS-232 transceiver is a type of line driver/receiver IC that converts logic-level (typically 0/3.3 V or 0/5 V CMOS/CMOS) UART signals into the ±5 V to ±15 V voltage swings required by the TIA/EIA-232-F and ITU v.28 standards. It belongs to the broader interface-IC category, sitting between the UART block of a microcontroller/SoC and a DB-9 (or equivalent) connector on the serial port. Single-channel variants like the TRS3221E serve compact, point-to-point designs where two driver/receiver channels are not needed, helping shrink BOM cost and PCB area versus 2-channel parts. Key features include 1 driver and 1 receiver per channel, a dedicated enable input for power management, an auto-powerdown mode that drops quiescent current to 1 µA typical when the cable is disconnected, and an always-active supplementary receiver that monitors the ring-indicator path even in shutdown. The device meets or exceeds the TIA/EIA-232-F and ITU v.28 electrical specifications, and is offered in industrial temperature grades of -40 °C to +85 °C. A high-speed pin-compatible upgrade, the TRSF3221E, is available where 1 Mbit/s operation is required. The TRS3221E uses an on-chip switched-capacitor voltage converter with four external 0.1 µF charge-pump capacitors. The architecture tolerates supply rails as low as 3.0 V while still generating compliant ±5 V (minimum) RS-232 output swings, which is the headline advantage over legacy 5-V-only RS-232 transceivers. Drivers are slew-rate limited to keep EMI low, and the receivers include hysteresis to reject noise on long cables. Typical applications include industrial single-port serial ports, point-of-sale terminals, handheld data collectors, factory automation equipment, medical instruments with DB-9 serial interfaces, and any embedded system that needs a robust RS-232 link from a 3.3 V or 5 V UART. Designers often pair this part with a TVS array for additional surge protection when the cable is exposed to outdoor or industrial transients. When designing with the TRS3221EIDBR, place the four charge-pump capacitors (typically 0.1 µF X7R) as close as possible to the C0+, C0-, C1+, C1- pins to minimize supply ripple. Decouple VCC with a 0.1 µF + 1 µF combination near the pin, and respect the absolute-maximum ratings on the RS-232 outputs (typically ±13.2 V) by avoiding back-drive when the IC is unpowered. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.

USD $1,59 En stock
TRS3221EIRGTR - 3-5.5V RS-232 Transceiver, 250kbps, ±15kV ESD | Texas Instruments
TRS3221EIRGTR

TRS3221EIRGTR - 3-5.5V RS-232 Transceiver, 250kbps, ±15kV ESD | Texas Instruments

The Texas Instruments TRS3221EIRGTR is a 3- to 5.5-V single-channel RS-232 line driver/receiver delivering 250 kbps data rate with ±15 kV IEC-ESD protection in a 16-pin VQFN (RGT) package measuring 3x3 mm with an exposed thermal pad. The device integrates one driver and one receiver, supports VCC operation from 3.0 V to 5.5 V (compatible with TTL/CMOS logic levels), and meets or exceeds the requirements of TIA/EIA-232-F and ITU v.28 standards. An RS-232 transceiver is a charge-pump-based interface IC that translates between TTL/CMOS logic levels (0-3.3 V or 0-5 V) and the ±5 V to ±15 V swing required by the legacy TIA/EIA-232-F serial communication standard. RS-232 transceivers belong to the broader interface IC family, which sits hierarchically between discrete level-shifters and protocol controllers (UARTs) in wired communication systems. RS-232 remains widely deployed in industrial equipment, point-of-sale terminals, medical instruments, and embedded debug ports where simplicity, point-to-point connectivity, and proven robustness outweigh the bandwidth advantages of USB or Ethernet. Key features include ±15 kV Human-Body Model (HBM) ESD protection on RS-232 pins, ±8 kV IEC 61000-4-2 contact discharge, ±15 kV IEC 61000-4-2 air-gap discharge, and an automatic powerdown feature that disables drivers when no valid RS-232 cable is detected. The on-chip dual charge pump requires only four external 0.1 µF capacitors, enabling true 5 V operation from a single 3.3 V supply without a separate ±12 V rail. The 250 kbps data rate is adequate for all standard RS-232 baud rates up to and beyond 115200 with margin to spare. The architecture combines a regulated switched-capacitor voltage doubler/inverter with a proprietary low-dropout RS-232 driver stage and a precision hysteresis receiver. ESD protection is implemented at the cable-side pins using TI's integrated silicon-controlled-rectifier (SCR) clamps. The 16-pin VQFN package's exposed pad provides a low thermal resistance path, which is useful when the part operates near the upper end of its 1 mA quiescent current budget in warm enclosures. Typical applications include industrial PLC programming ports, point-of-sale (POS) terminals, medical device serial consoles, battery-powered handhelds, and embedded debug UARTs that need robust ESD performance in the field. The TRS3221EIRGTR's small 3x3 mm footprint suits space-constrained designs such as USB-to-serial dongles, IoT gateways, and barcode scanners. When designing with this part, place the four charge-pump capacitors as close as possible to the C1+ / C1- / C2+ / C2- pins and keep the RS-232 trace lengths short to maximize ESD margin. Note that the TRSF3221E is the higher-speed (1 Mbit/s) pin-compatible alternative if 250 kbps is insufficient. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.

USD $1,05 En stock
TRSF3222CPW - 3V-5.5V RS-232 Transceiver, 2/2 Drivers | TI TSSOP-20
TRSF3222CPW

TRSF3222CPW - 3V-5.5V RS-232 Transceiver, 2/2 Drivers | TI TSSOP-20

The Texas Instruments TRSF3222CPW is a 2-driver/2-receiver RS-232 line transceiver that operates from a single 3.0V to 5.5V supply in a 20-pin TSSOP package. It supports data rates up to 1 Mbit/s and accepts 5-V logic inputs when powered from a 3.3V rail, making it ideal for mixed-voltage system designs. A line transceiver is an interface device that bridges a logic-level UART (universal asynchronous receiver/transmitter) on a host microcontroller with the RS-232 standard, which swings between +12V and -12V on the bus side. It sits within the Interface IC hierarchy (RS-232 transceiver -> line transceiver -> interface IC -> integrated circuit) and converts TTL/CMOS logic levels to TIA/EIA-232-F compliant voltage levels while protecting the host from ESD events on the cable side. The TRSF3222CPW integrates a dual charge-pump that generates the required +5.5V and -5.5V rails from a single 3.3V supply using four small 0.1 uF external capacitors. Standby current is typically 1 uA, supporting low-power portable designs. The receivers remain active in shutdown, allowing wake-up characters to be detected without waking the host. ESD protection exceeds +/-15 kV HBM on the bus pins. Typical applications include industrial point-of-sale terminals, factory automation equipment, portable diagnostic instruments, and battery-powered barcode scanners where 3.3V logic must communicate with legacy RS-232 peripherals. The wide 3.0V-5.5V supply range also makes the part suitable for USB-to-serial bridges and embedded computing modules. When designing with this device, place the four charge-pump capacitors as close to the IC as possible to minimize loop inductance. The TSSOP-20 footprint requires standard surface-mount assembly with a maximum reflow temperature per JEDEC J-STD-020. Decouple VCC with a 0.1 uF ceramic plus a bulk tantalum if the supply impedance is high.

USD $1,42 En stock
TS321ID - Single 30 V 800 kHz Op Amp | Texas Instruments
TS321ID

TS321ID - Single 30 V 800 kHz Op Amp | Texas Instruments

Texas Instruments TS321ID is a single bipolar operational amplifier rated for 30 V operation, an 800 kHz gain-bandwidth product, and an 8-pin SOIC package. It is intended for cost-sensitive applications where space savings matter, making it a compact general-purpose amplifier for industrial, instrumentation, and signal-conditioning systems. An operational amplifier is an analog integrated circuit that uses high open-loop gain to amplify the difference between two input voltages. The TS321 belongs to the broader hierarchy of operational amplifier, analog amplifier, signal-conditioning IC, and semiconductor. Its basic amplifier functions include voltage amplification, buffering, filtering, summing, and feedback-based control, provided the external feedback network and operating limits are respected. The verified product information identifies a single amplifier circuit, a 30 V maximum operating framework, 800 kHz bandwidth, general-purpose classification, and an 8-pin SOIC package. The bipolar architecture and low-power positioning suit cost-sensitive designs, while the SOIC footprint supports conventional surface-mount assembly. Exact offset, bias-current, noise, slew-rate, common-mode, and output-swing values require confirmation in the manufacturer datasheet before final circuit sign-off. TS321ID is useful as a general-purpose amplifier in low- and moderate-bandwidth analog paths. Its verified 800 kHz bandwidth makes it relevant to signal conditioning where the required closed-loop bandwidth is well below that level. The single-amplifier configuration can simplify designs that need one amplifier rather than a dual package, particularly in sensor interfaces, control loops, audio preamplification, and industrial measurement circuits. The principal design consideration is preserving signal headroom and stability. An 8-pin SOIC package requires adequate PCB spacing, controlled grounding, and decoupling close to the power pins. Feedback resistors, compensation components, and input or output loading determine the actual usable bandwidth and must be evaluated against the application. Because verified operating details beyond the supplied values are incomplete, engineers should consult the TS321 manufacturer datasheet before choosing component values. This page combines verified manufacturer and distributor information, structured technical context, sourcing guidance, and engineering notes. It also clearly identifies unavailable electrical parameters rather than presenting guessed values, helping engineers move from part selection to a validated TS321ID design with fewer sourcing and specification ambiguities.

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TS3A27518ERTWR - 6-Ch 2:1 Analog Mux, 240MHz | Texas Instruments
TS3A27518ERTWR

TS3A27518ERTWR - 6-Ch 2:1 Analog Mux, 240MHz | Texas Instruments

The Texas Instruments TS3A27518ERTWR is a bidirectional 6-channel 1:2 (SPDT) analog multiplexer/demultiplexer with 6.2 ohm on-resistance, 240 MHz bandwidth, and integrated IEC 61000-4-2 ESD protection, housed in a 24-pin WQFN (4x4 mm) package operating from a 1.65 V to 3.6 V single supply. An analog multiplexer is a signal-routing semiconductor that selects one of several input channels and connects it to a common output, functioning as a digitally controlled switch for both analog and digital signals. Within the signal-chain hierarchy, it sits between passive switches and full crosspoint matrices, and belongs to the broader family of interface and analog switch ICs used in power management and signal conditioning subsystems. Key features include low 6.2 ohm typical on-resistance for minimal signal attenuation, 21.5 pF typical switch capacitance, up to 240 MHz bandwidth for high-speed rail-to-rail signal handling, and -62 dB crosstalk and OFF isolation. The device also provides isolation in power-down mode (VCC = 0 V), and 1.8 V logic-threshold-compatible control inputs that allow direct interfacing with low-voltage microcontrollers. Architecturally, the TS3A27518E uses two control pins, each simultaneously controlling three 1:2 multiplexer sections, plus an enable pin that places all outputs in high-impedance mode. Integrated ESD cells rated to IEC 61000-4-2 on the signal pins eliminate the need for external TVS diodes in USB and port-protection designs, and the device is qualified for automotive applications. Typical applications include USB 2.0 high-speed signal switching, audio jack and headset detection, battery-powered portable equipment, and general-purpose analog signal routing in industrial systems. A key design consideration is on-resistance flatness across the signal range: at lower VCC the Ron rises, so budget for insertion loss at 1.65 V operation, and keep stub lengths short to preserve the 240 MHz bandwidth. This page adds value beyond the datasheet by synthesizing distributor pricing tiers, drop-in alternatives, cross-reference data, and practical design notes in one reference.

USD $0,65 En stock
TS3A44159RGTR - 0.45Ω Quad SPDT Analog Switch | TI
TS3A44159RGTR

TS3A44159RGTR - 0.45Ω Quad SPDT Analog Switch | TI

The Texas Instruments TS3A44159RGTR is a 0.45-Ω quad-channel single-pole double-throw (SPDT) analog switch housed in a 16-pin VQFN (RGT) 3x3 mm package. Operating from 1.65 V to 4.3 V, it delivers low on-state resistance with excellent Ron matching across four independent 2:1 multiplexers and supports bidirectional signal flow on every channel. Two logic-level control inputs select between the NO/NC paths of all four switches simultaneously, simplifying firmware-driven signal routing. An analog switch is a solid-state semiconductor device that routes analog or digital signals between two or more terminals under the control of a logic-level signal. It belongs to the analog switch and multiplexer family, which sits inside the broader interface IC category of integrated circuits. Quad SPDT switches are commonly used to swap between two sources on four channels at once, an arrangement also called a 2-channel DPDT function in this device. Key features include 0.45 Ω typical on-state resistance, 50 pA typical switch leakage, break-before-make switching to prevent momentary channel cross-connection, and a -3 dB bandwidth greater than 35 MHz. The control inputs are 1.8 V logic-compatible, while supply operation extends from 1.65 V to 4.3 V. ESD protection on the switch pins exceeds 2000 V per the HBM model. Architecturally the part uses CMOS transmission gates with integrated charge-pump-derived well biasing, enabling low Ron and rail-to-rail signal swing on a single positive supply. Ron flatness is held tight across the input common-mode range, which preserves harmonic distortion performance in audio paths. The device draws only microamps of quiescent current, which is essential for battery-powered systems. Typical applications include portable audio routing between headphone jack and Bluetooth receiver, USB 2.0 high-speed signal switching, SPI/I²C bus multiplexing, smartphone audio codec path selection, and PDA or portable media player source switching. Industrial uses include 4-wire resistance measurement multiplexing and analog front-end signal routing. When designing with this part, ensure that the logic-high level on IN1/IN2 exceeds 0.85 x VDD and the logic-low is below 0.15 x VDD to guarantee full CMOS-level switching. Place 0.1 µF bypass capacitors within 5 mm of the VDD pin to keep digital control noise out of the analog path. This page synthesizes distributor pricing, drop-in same-family alternatives, and practical PCB layout guidance not found in the manufacturer datasheet alone.

USD $0,55 En stock
TS3A4741DCNR - 0.9Ω Dual SPST Analog Switch | TI SOT-23-8
TS3A4741DCNR

TS3A4741DCNR - 0.9Ω Dual SPST Analog Switch | TI SOT-23-8

The Texas Instruments TS3A4741DCNR is a 0.9 Ω low on-resistance, low-voltage, single-supply, dual single-pole single-throw (SPST) analog switch housed in an 8-pin SOT-23 (DCN) package. It integrates two independent normally open (NO) switches, each with a 1:1 (SPST) topology, designed for 1.8 V logic compatibility when operated from a single 3 V supply rail. What is an SPST analog switch? An SPST (Single-Pole Single-Throw) analog switch is a solid-state semiconductor device that routes analog signals by electrically connecting or isolating one signal path. The TS3A4741 belongs to the broader category of analog switches and multiplexers, a subfamily of interface ICs used for signal routing in mixed-signal and low-power systems. Compared with mechanical relays, analog switches offer far faster switching speeds, lower power, smaller PCB area, and no mechanical bounce, at the cost of lower absolute voltage and current handling. Key specifications include a 0.9 Ω typical on-resistance (Ron), 1.8 V CMOS-compatible digital logic inputs, rail-to-rail analog signal handling, very low quiescent current, and integrated ESD protection. The two switches operate completely independently, allowing them to be used as separate signal paths or as complementary paths in a single function. The device is fabricated in a CMOS process and supports fast switching speeds, low off-leakage current, and bidirectional analog signal flow. Its small SOT-23-8 footprint and 1.8 V logic compatibility make it well suited to portable and battery-powered designs. Typical applications include audio signal routing in portable devices, switching between two sensors in handheld instruments, power rail multiplexing in low-power systems, and general-purpose signal gating in test equipment and consumer electronics. When designing with the TS3A4741, ensure the analog signal stays within the supply rails to avoid distortion or excessive leakage, and add 0.1 µF decoupling close to VCC. For applications requiring normally closed (NC) switches, use the pin-compatible TS3A4742. This page synthesizes verified distributor pricing, same-brand and cross-brand drop-in alternatives, and practical design notes not found in the manufacturer datasheet.

USD $0,18 En stock