ADC/DAC
المنتجات (2,700+)
TLV0834CPWRG4 - 8-Bit 41kSPS 4-Ch SAR ADC, 16-TSSOP | Texas Instruments
The Texas Instruments TLV0834CPWRG4 is an 8-bit, 41 kSPS, successive-approximation analog-to-digital converter (SAR ADC) with 2/3/4 configurable input channels and a serial interface, housed in a 16-pin TSSOP package. It operates from a single 2.7 V to 3.6 V VCC supply, supports TTL/MOS-compatible digital I/O, and delivers 8-bit resolution with ratiometric or VCC-referenced conversion modes. The 'G4' suffix designates the green (Pb-free) RoHS-compliant tape-and-reel packaging option. A SAR ADC is a type of analog-to-digital converter that uses a binary-search algorithm with an internal capacitive charge-redistribution DAC and a high-speed comparator to digitize an analog input in N clock cycles for N-bit resolution. Within the broader data-acquisition signal chain, the SAR ADC sits between analog signal conditioning (op-amps, muxes) and the digital host, and belongs to the family of precision converters alongside delta-sigma, pipeline, and dual-slope architectures. The TLV0834 family targets low-cost, low-power, multi-channel digitization where 8 bits are sufficient. Key features include 41 kSPS throughput, 2.7 V to 3.6 V single-supply operation, an input-configurable 4-channel multiplexer with address logic, an easy microprocessor or stand-alone serial interface, and TTL/MOS-compatible I/O levels. An on-chip sample-and-hold and differential reference input simplify external circuitry, while the serial data output reduces I/O count on the host MCU. The TSSOP-16 footprint keeps the device compatible with low-profile, surface-mount designs. The device uses a successive-approximation register architecture with switched-capacitor charge redistribution, providing deterministic latency that simplifies DSP or MCU firmware synchronization. Its low current consumption (~0.5 mA typical) makes it suitable for battery-powered monitoring, and the wide supply range aligns with modern 3.3 V microcontroller rails. Typical applications include portable instrumentation and battery monitoring, multi-sensor microcontroller data acquisition (temperature, pressure, level), industrial process control loopbacks, audio VU/log metering, and simple system monitoring boards (PSU rails, fan tach, thermistor bridges). When designing with this part, note that it is now obsolete and no longer manufactured. New designs should use the parametric-equivalent TLV0834CPWR (active, Pb-free tape-and-reel without 'G4') or the industrial-temperature TLV0834IPW for new product introductions; both share the 16-pin TSSOP footprint. Plan for last-time-buy inventory or substitute selection accordingly. This page synthesizes the manufacturer's datasheet, distributor stock status (DigiKey reports 65,490 units of the recommended substitute TLV0834CPWR in stock), parametric comparisons across the TLV083x/ADC083x families, and practical design notes not consolidated in any single source.
TLV0834ID - 8-Bit 41 kSPS 4-Channel ADC | Texas Instruments
The Texas Instruments TLV0834ID is an 8-bit, 41 kSPS, four-channel successive-approximation analog-to-digital converter in a 14-pin SOIC (D) package. It combines an input-configurable multiplexer with serial input and output, supports ratiometric operation or a VCC reference, and provides TTL/MOS-compatible interfaces for embedded measurement systems. Its 8-bit resolution and 41 kSPS conversion rate suit compact control, monitoring, and instrumentation designs. An ADC is a data-acquisition IC that converts an analog voltage into a digital code for processing, display, logging, or closed-loop control. The TLV0834 belongs to the successive-approximation ADC, data-converter, analog front end, and semiconductor hierarchy. Its four-channel multiplexer reduces the number of external analog inputs required when several sensors or potentiometers must be measured sequentially. Key features include 8-bit resolution, a 41 kSPS conversion rate, four analog input channels, serial input/output, and compatibility with standard shift registers or microprocessors. The verified product information identifies TTL/MOS-compatible input and output behavior. The device can operate ratiometrically using an external reference relationship or with the supply as its reference, allowing designers to select the approach that best fits the sensing circuit. The input-configurable multiplexer is central to its architecture. It determines how the four channels are selected and routed into the conversion system, while the serial interface transfers control and result data. This arrangement is appropriate when a microcontroller needs to scan multiple analog inputs without requiring a separate ADC for every channel. The 41 kSPS throughput provides a practical balance between acquisition speed and an 8-bit measurement resolution. Typical applications include battery monitoring, industrial control panels, consumer equipment, sensor interfaces, potentiometer position sensing, and low-resolution process monitoring. The part is also suitable for systems where a serial ADC is preferable to a parallel interface. Designers should confirm the exact reference method, input voltage limits, timing, electrical characteristics, and acquisition requirements against the manufacturer datasheet before finalizing a circuit. The principal design consideration is reference and signal integrity. Because ratiometric operation can improve tracking of an upstream supply, the reference arrangement must remain consistent with the measured quantity. Input filtering, source impedance, sampling behavior, and serial clock timing should be checked in the datasheet. The 14-pin SOIC (D) package also requires a footprint and pin-1-aware layout. This page combines verified manufacturer and distributor information with application guidance, interface considerations, and sourcing context. It is intended as a component-selection reference rather than a substitute for the complete manufacturer datasheet.
TLV0834IN - 8-Bit 41 kSPS 4-Channel ADC | Texas Instruments
The Texas Instruments TLV0834IN is an 8-bit, 41 kSPS successive-approximation analog-to-digital converter with a four-channel input multiplexer, serial output, and operation from a single 3 V-class supply in a 14-pin through-hole DIP package. It accepts either a ratiometric reference or a VCC-referenced input, provides TTL/MOS-compatible input and output levels, and is designed for low-cost embedded measurement systems. An ADC converts an analog voltage into a digital value for processing, measurement, or control. The TLV0834 belongs to the successive-approximation ADC category and uses a serial interface rather than a parallel data bus. Its four-channel multiplexer allows one ADC to sample multiple analog sources, while ratiometric operation can reduce error when the sensor and reference share the same supply. The verified product information identifies an 8-bit resolution, 41 kSPS conversion rate, four channels, 2 V to 3.6 V supply operation, an input range from VREF to VCC when using the VCC reference, and TTL/MOS-compatible digital signals. These features suit compact industrial controls, sensor interfaces, consumer equipment, and microcontroller-based measurement modules where a low pin count and serial connection are valuable. The device uses an input-configurable multiplexer and serial input/output control, allowing it to operate with a microprocessor interface or as a standalone sampling circuit. The four-channel arrangement helps designers share one conversion engine among related sensors instead of installing a separate ADC for each signal. For designs using a reference voltage, the ADC reference and analog signal must remain within the specified input range. The serial interface reduces PCB routing requirements, but firmware must handle sampling timing and valid-data timing according to the manufacturer datasheet. The 14-pin DIP package is suited to through-hole prototyping and legacy-style industrial boards. This page combines verified manufacturer and distributor information with practical application guidance. It also distinguishes the TLV0834 from related TLV0834 package options and identifies where additional engineering verification is needed before substituting a part. For procurement, distributor information shows offers from DigiKey, Mouser, LCSC, Win Source, and Octopart, but only the LCSC result provided a starting price. Current inventory, lifecycle status, temperature grade, reference accuracy, and detailed timing values should be confirmed against the latest manufacturer documentation before production release.
TLV0838CN - 8-Bit 37.9 kSPS 8-Channel SAR ADC | Texas Instruments
Texas Instruments TLV0838CN is an 8-bit successive-approximation analog-to-digital converter with a 37.9 kSPS conversion rate, 8-channel input multiplexer, and serial input/output interface. The device accepts 4, 7, or 8 input configurations according to the verified product listing and is housed in a 20-pin PDIP package. Its TTL/MOS-compatible digital interface supports microprocessor connection or stand-alone operation. An ADC is a data-acquisition IC that converts an analog voltage into a digital code. A successive-approximation register, or SAR ADC, performs conversion by progressively selecting bit values through an internal comparator and DAC. The TLV0838 belongs to the ADC and DAC class within data-conversion integrated circuits, combining analog multiplexing, sampling, quantization, and serial digital communication in one device. Key verified features include 8-bit resolution, a 37.9 kSPS sampling rate, 8-channel multiplexed input options, serial data input and output, and selectable ratiometric operation using either an external reference or VCC reference. The input range extends from VSS to VCC when the VCC reference is used. Its 3 V-oriented design is identified in the verified TLV0838 family material, while detailed absolute maximum and supply limits require the manufacturer datasheet. The serial architecture reduces the number of parallel signal lines needed to connect the converter to a controller. Ratiometric operation can be useful when the sensor and ADC share a supply, because the digital result scales with the supply. However, supply variation then affects accuracy, so a stable external reference is preferable when the measurement requires a fixed, calibrated voltage scale. Typical uses include eight-channel sensor acquisition, industrial control, portable instrumentation, and low-cost microprocessor interfaces. The multiplexed analog front end is particularly appropriate when several slowly changing analog inputs share one controller. The 37.9 kSPS rate supports continuous monitoring, although sampled inputs must satisfy the converter's acquisition requirements. PCB layout should keep the analog input traces short, provide a stable reference and supply return path, and place bypass capacitors close to the supply pins. Do not infer unreported pin functions, acquisition time, accuracy, or reference current from distributor summaries; consult the manufacturer datasheet before release. This page combines verified product characteristics, application guidance, and sourcing information with explicit data gaps rather than estimated specifications.
TLV0838IN - 8-Bit 37.9 kSPS Serial ADC | Texas Instruments
The Texas Instruments TLV0838IN is an 8-bit, 37.9 kSPS, successive-approximation analog-to-digital converter with a serial interface and four, seven, or eight input configurations. It operates from a 3 V supply, accepts analog input from VSS to VCC, and is packaged in a 20-pin PDIP. The device supports ratiometric operation or use of VCC as the reference and provides TTL/MOS-compatible input and output interfaces. An ADC is a data-acquisition IC that converts an analog voltage into a digital code for processing, measurement, or control. The TLV0838 belongs to the successive-approximation ADC family, within the broader ADC/DAC and signal-conversion semiconductor hierarchy. Compared with a flash converter, its internal conversion architecture supports lower cost and lower power, while its serial output reduces the number of signals required to connect it to a controller. The primary specifications are 8-bit resolution, a maximum sampling rate of 37.9 kSPS, and operation from a 3 V supply. Available input configurations include 4, 7, or 8 channels according to the manufacturer ordering information. Serial control provides a compact interface for embedded systems, and the analog input range extends from VSS to VCC. These features make the converter useful where a small, low-cost, low-power measurement channel is needed. The converter uses a successive-approximation conversion process and supports either ratiometric referencing or a VCC-based reference. In ratiometric operation, the digital result changes in proportion to supply variation, which can compensate for excitation and reference drift when the sensor and converter share the same supply. Using VCC as the reference simplifies standalone circuits, although absolute accuracy then depends on the supply voltage and its tolerance. The serial interface is designed for compatibility with TTL and MOS input and output levels. Typical applications include low-speed sensor acquisition, industrial control inputs, consumer measurement modules, battery-powered instrumentation, and microcontroller-based monitoring. The 37.9 kSPS conversion rate supports continuous monitoring of slowly changing analog quantities, while the ratiometric mode is particularly relevant to resistive sensors using divider-based excitation. The serial interface also helps conserve connector pins and PCB area compared with a parallel ADC. Designers should verify the selected TLV0838 configuration's channel count, reference method, control timing, and absolute input limits against the manufacturer datasheet. The 20-pin PDIP package is suitable for through-hole prototype and legacy industrial assemblies but requires more PCB area than a modern surface-mount ADC. Input-source impedance, acquisition time, sampling clock timing, and reference stability must be considered when establishing conversion accuracy. This page consolidates verified manufacturer and distributor information, explicitly marks unavailable electrical details, and distinguishes the verified TLV0838IP family alternative from unsupported cross-package or unverified substitutes. It also provides application guidance and design checks that are not normally presented together on a distributor catalog page.
TLV0838ING4 - 8-Bit 8-Ch SAR ADC, 3.6V, Serial I/O | Texas Instruments
The Texas instruments TLV0838ING4 is an 8-bit successive-approximation analog-to-digital converter with an input-configurable multichannel multiplexer and a serial I/O interface, supplied in a 20-pin PDIP package and operating from a 2.7 V to 3.6 V single supply. A successive-approximation-register (SAR) ADC is a precision data-converter architecture that converts an analog input into a binary code by iteratively comparing the input against an internal DAC and a binary-weighted search tree. SAR ADCs are valued for deterministic latency, no pipeline delay, intrinsic sample-and-hold behavior, and excellent dc accuracy, which makes them the workhorse of low-to-medium-speed precision instrumentation, industrial control loops, and embedded sensor interfaces. The TLV0838 family sits within the data-acquisition IC category, one rung below signal-chain ICs and one rung above general-purpose analog building blocks. Key features include 8 input channels (software-selectable through the address logic inputs), an input range of 0 V to VCC when using VCC as the reference, on-chip sample-and-hold, ratiometric or absolute-voltage conversion modes, and a simple 4-wire serial interface compatible with standard shift registers and common microcontrollers. Maximum throughput is specified for the serial clock, and the analog inputs tolerate VCC + 0.3 V without damage. The device uses an asynchronous serial output protocol that streams the conversion result MSB-first on a single data line, simplifying isolation or long-trace routing between the ADC and a host MCU. An end-of-conversion (EOC) signal flags when a new sample is ready, allowing interrupt-driven data acquisition. The wide digital-supply tolerance and TTL-compatible inputs ease integration with both 3.3 V and 5 V logic families. Typical applications include battery monitoring in portable equipment, multi-zone temperature or process-variable scanning via external sensors, keypad and panel-meter digitizing, and low-cost multi-channel data loggers. The 8-channel mux allows one ADC to replace eight discrete signal paths, reducing PCB area and BOM cost in embedded designs. When designing with this device, ensure that the analog source impedance is below the value specified in the datasheet to avoid sample-and-hold droop; a small external buffer (e.g., an op-amp follower) can be inserted if higher source impedances are required. Decouple VCC with both a 0.1 uF ceramic and a bulk capacitor placed within 5 mm of the supply pin. This page synthesizes distributor pricing, drop-in and equivalent alternatives, and practical layout notes drawn from the manufacturer datasheet, not found on DigiKey or Mouser product listings alone.
TLV1504ID - 10-Bit 200kSPS 4-Ch SAR ADC, SOIC-16 | TI (Tape & Reel)
The Texas Instruments TLV1504ID is a 10-bit, 200 kSPS, 4-channel successive-approximation-register (SAR) analog-to-digital converter (ADC) with a serial interface, housed in a 16-pin SOIC (D) package. It operates from a single 2.7 V to 5.5 V analog and digital supply, draws only 1.6 mA at full speed, and drops to <10 µA in hardware, software, or automatic power-down mode, making it ideal for battery-powered and power-conscious designs. An SAR ADC is a successive-approximation-register analog-to-digital converter that uses a comparator, a DAC, and a binary-search register to digitize an analog input in N conversion cycles for N-bit resolution. SAR ADCs are valued for deterministic latency, no-pipeline delay, and excellent DC accuracy, fitting between low-resolution delta-sigma ADCs and high-speed pipeline ADCs in the data-converter family hierarchy: ADC -> data converter -> mixed-signal IC -> power management & signal chain IC -> semiconductor. Key features include four analog input channels with a programmable auto-channel sweep sequencer, a high-speed 3-wire serial interface compatible with TMS320 DSPs and SPI/QSPI/MICROWIRE hosts, programmable 8/12/16-clock or continuous conversion modes, hardware or software shutdown control, and an integrated +2.5 V reference option (TLV1504 variant) or external-reference option. Maximum conversion time is 3.86 µs and INL/DNL are specified for 10-bit accuracy across the full operating range. Typical applications include industrial process control loop monitoring, multi-sensor data acquisition modules, portable instrumentation and battery management monitors, motor control feedback sampling, and 4-20 mA loop digitization. The wide 2.7 V to 5.5 V supply range and on-chip auto-powerdown modes allow the device to remain in the system across sleep-active cycles without external power switching hardware. When designing with this device, ensure the SPI master supplies 8, 12, or 16 SCLKs per conversion per the datasheet; underrun or overrun of SCLKs corrupts the conversion register. The auto-channel sweep feature requires the sequencer to be initialized after each power-up, otherwise channel order is undefined. This page synthesizes drop-in alternatives, distributor pricing tiers, and practical design notes not found on the manufacturer datasheet.
TLV1504IDR - 10-Bit 200kSPS 4-Ch SAR ADC, SOIC-16 | TI
The Texas Instruments TLV1504IDR is a 10-bit, 200 kSPS, 4-channel successive-approximation-register (SAR) analog-to-digital converter (ADC) with a serial interface, housed in a 16-pin SOIC (D) package. It operates from a single 2.7 V to 5.5 V analog and digital supply, draws only 1.6 mA at full speed, and drops to <10 µA in hardware, software, or automatic power-down mode, making it ideal for battery-powered and power-conscious designs. An SAR ADC is a successive-approximation-register analog-to-digital converter that uses a comparator, a DAC, and a binary-search register to digitize an analog input in N conversion cycles for N-bit resolution. SAR ADCs are valued for deterministic latency, no-pipeline delay, and excellent DC accuracy, fitting between low-resolution delta-sigma ADCs and high-speed pipeline ADCs in the data-converter family hierarchy: ADC -> data converter -> mixed-signal IC -> power management & signal chain IC -> semiconductor. Key features include four analog input channels with a programmable auto-channel sweep sequencer, a high-speed 3-wire serial interface compatible with TMS320 DSPs and SPI/QSPI/MICROWIRE hosts, programmable 8/12/16-clock or continuous conversion modes, hardware or software shutdown control, and an integrated +2.5 V reference option (TLV1504 variant) or external-reference option. Maximum conversion time is 3.86 µs and INL/DNL are specified for 10-bit accuracy across the full operating range. Typical applications include industrial process control loop monitoring, multi-sensor data acquisition modules, portable instrumentation and battery management monitors, motor control feedback sampling, and 4-20 mA loop digitization. The wide 2.7 V to 5.5 V supply range and on-chip auto-powerdown modes allow the device to remain in the system across sleep-active cycles without external power switching hardware. When designing with this device, ensure the SPI master supplies 8, 12, or 16 SCLKs per conversion per the datasheet; underrun or overrun of SCLKs corrupts the conversion register. The auto-channel sweep feature requires the sequencer to be initialized after each power-up, otherwise channel order is undefined. This page synthesizes drop-in alternatives, distributor pricing tiers, and practical design notes not found on the manufacturer datasheet.
TLV1504IDRG4 - 10-Bit 200kSPS 4-Ch SAR ADC | Texas Instruments
The Texas Instruments TLV1504IDRG4 is a 10-bit, 200-kSPS, 4-channel successive-approximation-register (SAR) analog-to-digital converter housed in a 16-pin SOIC package. It operates from a single 2.7 V to 5.5 V supply and supports both single-ended and pseudo-differential input pairs, drawing only 1.5 mW at 3 V and 200 kSPS for power-efficient multi-channel data acquisition. What is a SAR ADC? A successive-approximation-register ADC is a precision data converter that uses a binary-search algorithm and an internal capacitive charge-redistribution digital-to-analog converter (DAC) to resolve an analog input one bit per clock cycle. SAR ADCs are prized for their deterministic latency, low power consumption, and excellent DC accuracy; they sit in the hierarchy of analog-to-digital converters alongside flash, sigma-delta, and pipeline architectures. SAR parts are favored in multiplexed multi-channel systems, motor-control loops, and precision sensor signal chains where DC accuracy and predictable sampling latency matter more than absolute speed. Key features of the TLV1504IDRG4 include a hardware-controllable 4-input analog multiplexer, an internal +2.5 V reference (also usable as an output), an SPI/QSPI/Microwire-compatible serial interface, software-configurable unipolar/bipolar ranges, and a hardware power-down pin that reduces current to under 5 uA. The 16-pin SOIC (D) package supports industrial-temperature operation from -40 C to +85 C. The architecture pairs an input sample-and-hold with the SAR logic and a low-drift internal bandgap, yielding zero missing codes and ±0.5 LSB typical INL/DNL. The wide 2.7 V to 5.5 V analog-and-digital common supply simplifies system design by eliminating the need for a separate analog supply rail, and the integrated reference removes a board-level component in cost-sensitive designs. Typical applications include multi-channel sensor digitisation in industrial process control, portable battery-powered instrumentation, HVAC thermistor and pressure-sensor arrays, motor-speed and current-feedback loops, and PLC analog input modules. The combination of low power, small footprint, and integrated reference suits it to dense 4- to 8-channel analog front ends. When designing with this ADC, decouple AVDD and DVDD separately with 0.1 uF ceramics placed within 5 mm of the pins, and route the analog inputs as guard-traced differential pairs to minimise crosstalk between multiplexer channels. Although the internal reference simplifies layout, a 10 uF tantalum bypass is recommended for systems with >4 channels sampled at full speed. This page synthesises distributor pricing, drop-in alternatives, and practical design notes not consolidated on the manufacturer datasheet alone.
TLV1508IDWRG4 - 10-Bit 200kSPS 8-Ch Serial ADC | Texas Instruments
The Texas Instruments TLV1508IDWRG4 is a 10-bit, 200 kSPS, low-power, CMOS successive-approximation analog-to-digital converter (SAR ADC) housed in a 20-pin SOIC (DW) package. It operates from a single 2.7 V to 5.5 V supply, offers 4 or 8 analog input channels with a 3.86 us maximum conversion time, and integrates hardware, software, and auto power-down plus a programmable channel sweep. The serial interface uses a 4-wire SPI-compatible bus (CS, SCLK, SDI, SDO). A successive-approximation register ADC is a type of analog-to-digital converter that uses a binary search algorithm against an internal precision DAC to resolve each input voltage in a fixed number of clock cycles. SAR ADCs sit in the broader hierarchy of analog-to-digital converters -> data converters -> signal-chain ICs -> mixed-signal semiconductors. Compared with delta-sigma ADCs, SAR parts offer deterministic latency and very low power consumption at moderate sample rates, which is why they dominate multiplexed multi-channel data-acquisition front ends. Key specifications include 0.0488% maximum linearity error (DNL/INL), a true 200 kSPS throughput, hardware and software-configurable power-down to extend battery life, and an industrial -40C to +85C operating range. The device includes a built-in oscillator, sample-and-hold, and programmable auto-channel sequencing that cycles through 1 to 8 channels without host MCU intervention. Three digital input pins and a 3-state SDO output allow direct glueless connection to virtually any DSP, microcontroller, or FPGA. Typical applications include multi-channel data acquisition, portable instrumentation, battery-powered sensor modules, factory automation analog front ends, and process control I/O. The wide supply range and ultra-low power-down current also make it attractive for handheld and remote-monitoring equipment. The internal channel sequencer is particularly valuable in cyclic-scanning systems where deterministic sample-to-channel mapping simplifies firmware. Designers should observe careful analog input layout: keep analog traces short, place a small RC anti-alias filter ahead of each input channel, and ensure the AVDD supply is well-bypassed with both 0.1 uF and 10 uF capacitors close to the pin. The auto-power-down mode can be triggered by software after each conversion to drop supply current to the microampere range between scans, dramatically lowering average power in slow-scanning battery applications.
TLV1544CD - 10-Bit 85 kSPS 4-Channel SAR ADC | TI
The Texas Instruments TLV1544CD is a 10-bit, 4-channel, 85 kSPS successive-approximation analog-to-digital converter housed in a 16-pin SOIC package. It uses a synchronous four-wire serial interface with chip select, input-output clock, data input, and serial data output. The device is compatible with SPI and TMS320 DSP interfaces, supports programmable power, power-down, and conversion-rate functions, and operates from low-voltage supplies. An SAR ADC is a type of analog-to-digital converter that compares an input voltage with an internally generated DAC through a sequence of binary trials. Unlike a flash or pipeline ADC, a SAR converter generally requires less circuit area and power while providing adequate speed and resolution for low-cost embedded measurement systems. The TLV1544 belongs to the ADC category within the broader data-acquisition and signal-conversion semiconductor hierarchy. Key features include 10-bit resolution, four analog input channels, an 85 kSPS conversion rate, and CMOS construction. The serial interface reduces the number of signal paths required between the converter and a digital processor compared with a parallel-output ADC. Programmable power and power-down functions can reduce consumption when continuous conversion is unnecessary, while the programmable conversion-rate capability supports systems that trade throughput for operating efficiency. The TLV1544 and TLV1548 are implemented as CMOS switched-capacitor SAR converters. The TLV1544 provides four channels, while the TLV1548 provides eight. Its serial interface can connect directly to a four-wire synchronous SPI port, and the manufacturer explicitly identifies TMS320 DSP compatibility. These characteristics make the converter suitable for host-controlled acquisition systems requiring flexible sampling rather than maximum data throughput. Typical applications include industrial process monitoring, portable instrumentation, battery-powered sensor acquisition, digital potentiometer feedback, and general embedded control systems. Four analog channels allow several sensors or divided voltages to share one converter when the required sampling rate is modest. At 85 kSPS, the device is more appropriate for slow-changing process and instrumentation signals than for high-bandwidth waveform capture. Designers should account for input settling time, reference accuracy, source impedance, and digital-interface timing. The datasheet's typical application information should guide input-channel selection and capacitor placement. Because the converter is sampled rather than continuously tracking, source settling around each conversion can affect accuracy when multiplexed inputs or high-impedance sensors are used. This product page consolidates verified manufacturer and distributor information, package details, interface characteristics, drop-in ordering alternatives, and practical design guidance. It distinguishes confirmed TLV1544CD facts from parameters that still require verification against the manufacturer datasheet.
TLV1544ID - 10-Bit 85 kSPS 4-Channel SAR ADC | Texas Instruments
The Texas Instruments TLV1544ID is a 10-bit, 4-channel successive-approximation analog-to-digital converter operating at up to 85 kSPS, with a serial interface compatible with TMS320 DSP, SPI, and QPSI devices, in a 16-pin SOIC package. It accepts four analog inputs and supports programmable power, power-down, and conversion-rate functions. The device is designed for low-voltage systems where compact conversion, flexible sampling control, and serial connectivity are required. An ADC is an analog-to-digital converter, a semiconductor that transforms continuously varying analog voltages into numeric values for processing, storage, or control. The TLV1544 belongs to the SAR ADC category, where an internal comparator and successive approximation process each conversion. It is a four-channel ADC with serial control, providing an economical way to digitize several low-bandwidth sensor or control signals without using four separate converters. In system terms, the TLV1544 is an interface IC and data-conversion device that connects analog measurement circuitry to a digital controller. The TLV1544 family provides a 10-bit resolution and an 85 kSPS conversion-rate capability. Its four analog inputs allow ratiometric measurement, scaling, and isolation of analog circuitry from logic and supply noise when used with the differential high-impedance reference inputs described by the manufacturer. Serial control through chip select, input/output clock, data input, and data output supports direct connection to compatible serial processors and DSPs. Programmable power, power-down, and conversion-rate controls help align converter operation with system energy requirements. The TLV1544ID uses the 16-pin SOIC package identified by the verified distributor listing. Its serial interface and four-channel architecture make it useful for embedded acquisition systems, industrial monitoring, and low-power instrumentation. The 10-bit resolution provides 1,024 possible code values, while the 85 kSPS rate supports rapidly changing analog signals when the acquisition system provides adequate settling time, input filtering, and reference stability. Typical applications include industrial sensor interfaces, portable measurement instruments, battery-powered monitoring equipment, process-control nodes, and DSP or microcontroller data-acquisition boards. Because the converter uses a serial interface, the PCB layout can remain compact when the digital controller supports compatible SPI-like signaling. Analog signal routing should remain short and separated from clock and data paths to minimize conversion error. Designers should verify the complete electrical limits, reference configuration, input range, sampling timing, and pin functions in the manufacturer datasheet before layout. The verified product pages identify the TLV1544 as a low-voltage, 10-bit, 85 kSPS SAR ADC with four channels, but the supplied search data does not provide the complete timing, voltage, accuracy, power, and pin-function tables. The 16-pin SOIC footprint should therefore be confirmed against the current TI datasheet and application-specific reference design. This page combines the verified distributor and manufacturer descriptions for the TLV1544ID with practical interface, application, comparison, and sourcing guidance. It highlights where the part is suitable, how its four-channel SAR architecture is used, and which specifications should be checked in the official datasheet before a production design is released.
TLV1549CD - 10-Bit 38 kSPS SAR ADC | Texas Instruments
The Texas Instruments TLV1549CD is a 10-bit, switched-capacitor, successive-approximation analog-to-digital converter with a 38 kSPS conversion rate, one analog input, serial output, an inherent sample-and-hold function, and an 8-pin SOIC package. According to the Texas Instruments TLV1549 product page, the device is compatible with TLC1549 and TLC1549x systems and supports a -40 °C to +85 °C temperature range. Its serial interface uses chip select, input/output clock, and data output signals, making it suitable for low-cost embedded data acquisition. An analog-to-digital converter, or ADC, converts a continuous analog voltage into a numeric code. The TLV1549 belongs to the SAR ADC hierarchy, where a switched-capacitor internal network samples the input and successive comparison steps determine the digital result. The 10-bit resolution provides 1024 output codes, while the 38 kSPS sampling rate is appropriate for industrial control, instrumentation, sensor acquisition, and embedded measurement systems. Its inherent sample-and-hold function helps simplify front-end signal conditioning. The TLV1549CD provides one analog input, a serial data output, and a three-state output controlled by chip select. The interface is designed for connection to microcontrollers, programmable logic controllers, and other serial peripherals. The 8-pin SOIC package supports conventional surface-mount assembly and provides a compact footprint for small control boards. The device is identified as compatible with TLC1549 and TLC1549x terminal arrangements, supporting design continuity with related TI converter families. Typical uses include proportional temperature and pressure monitoring, potentiometer position sensing, battery voltage measurement, process-control instrumentation, and low-speed factory automation. In these applications, the ADC is generally preceded by buffering, filtering, and input-range conditioning to protect the analog input and provide a signal that fits the converter’s input range. The serial interface reduces the number of signal lines required compared with a parallel-output ADC. Designers should verify the analog input range, reference voltage behavior, conversion timing, and digital logic levels from the manufacturer datasheet before finalizing a PCB layout. Keep the analog input and reference paths away from fast digital clock traces, provide local bypass capacitance at the supply pins, and account for source impedance and acquisition time. The compact SOIC package is not an SOA-rated power device, so SOA information is not applicable.
TLV1549ID - 10-Bit 38 kSPS Serial ADC | Texas Instruments
Texas Instruments TLV1549ID is a 10-bit, 38 kSPS, successive-approximation analog-to-digital converter with an inherent sample-and-hold function, one analog input, and a three-wire serial interface in an 8-pin SOIC (D) package. The converter supports a supply identified by distributor listings as 3.3 V. Its switched-capacitor SAR architecture performs successive approximation and provides serial data output without exposing a parallel data bus. An analog-to-digital converter is an interface IC that converts a continuous analog voltage into a numeric code for processing by a microcontroller, DSP, logic system, or industrial controller. The TLV1549 belongs to the ADC hierarchy that includes SAR ADCs, data-converter ICs, interface ICs, and semiconductors. Its inherent sample-and-hold function allows the analog input to be captured during conversion, while the serial interface reduces the number of signals required to connect it to a controller. The principal features verified for the TLV1549ID include 10-bit conversion resolution, a maximum conversion rate of 38 kSPS, one analog input, switched-capacitor operation, and a three-wire serial interface. The digital side includes chip select, input-output clock, and data output functions, with a three-state output arrangement. These characteristics make the device suitable for compact embedded acquisition systems where sampling rate, interface simplicity, and package size matter more than high-resolution conversion. The serial interface includes chip select, input-output clock, and data output signals. The input-output clock can support the device's serial transfer process, while chip select provides control for shared-bus arrangements. Because the converter uses the I/O clock for serial communication, the host controller must conform to its timing and data-transfer requirements. Exact timing, reference-voltage, and electrical limits should be confirmed in the manufacturer datasheet before layout or firmware is finalized. Typical uses include low-speed sensor acquisition, industrial monitoring, battery-powered instrumentation, temperature measurement, and embedded control loops that convert one analog channel into a 10-bit value. The 38 kSPS rate is suitable for signals that do not require continuous high-rate waveform capture, while the 8-pin SOIC package supports conventional surface-mount assembly and hand-soldering or automated placement. Designers should preserve the power and decoupling layout recommended by the manufacturer, connect the analog source with low impedance, and keep sensitive analog routing away from fast digital clock traces. Verify the exact input range, reference configuration, sampling characteristics, clock timing, and operating-temperature grade against the TLV1549 datasheet because those values were not included in the supplied web excerpts. This product record combines the verified manufacturer description, distributor identification, package information, and cross-reference evidence with practical selection guidance. It also distinguishes documented TLV1549 characteristics from parameters that still require confirmation, helping engineers identify likely drop-in choices without overlooking grade, timing, or interface differences.
TLV1562IDWRG4 - 10-Bit 2MSPS Quad ADC w/4-CH Mux | TI
The Texas Instruments TLV1562IDWRG4 is a 10-bit, 2 MSPS reconfigurable low-power analog-to-digital converter with a four-input analog multiplexer, dual sample-and-hold, parallel interface and power-down mode, housed in a 28-pin SOIC (DW) package. Key headline parameters: 10-bit resolution, 2 MSPS max throughput at 10-bit (single channel, 5 V), ±1 LSB DNL and ±1 LSB INL (max), and a 5.5 V absolute-maximum analog input. An 8-bit mode pushes throughput to 3 MSPS, while the quad-input mux and dual S/H let one chip replace two or three conventional ADCs in multi-channel systems. An ADC (analog-to-digital converter) is a mixed-signal integrated circuit that samples a continuous-time analog waveform and quantizes each sample into a binary code word. SAR (successive-approximation register) ADCs like the TLV1562 use a binary-search algorithm with an internal DAC and comparator to resolve each conversion in N clock cycles, achieving deterministic latency and excellent DC accuracy. The TLV1562 belongs to the SAR ADC sub-family, sits under the broader ADC/DAC product hierarchy, and is classed as a data-conversion IC within mixed-signal semiconductor products. The TLV1562 IDWRG4 features a programmable resolution-and-speed trade-off (10-bit/2 MSPS or 8-bit/3 MSPS), four analog input channels with software-selectable channel addressing, two simultaneous sample-and-hold amplifiers for capture of two channels at once, an auto- or software-controlled power-down mode that drops supply current for battery-powered operation, and a parallel microprocessor-compatible output bus that simplifies hook-up to DSPs, microcontrollers and FPGAs. Architecturally the device combines an input mux, a high-impedance input S/H front end, a 10-bit charge-redistribution SAR core with internal reference, a state-machine sequencer for auto-scan operation, and a parallel output register with three-state bus drivers. The reconfigurable resolution/throughput knob lets system designers trade SNR for speed without changing the analog front end. Typical applications include multi-channel data acquisition front ends, portable instrumentation with battery-saving duty-cycling, motor-control feedback loops reading two currents and one voltage simultaneously, optical sensor arrays with quad-channel scanning, and DSP-based audio/video processing where the parallel interface avoids serial-port bottlenecks. When designing with this part, pay particular attention to input-channel sequencing, reference bypassing and the S/H acquisition-time budget. Choosing software-mode power-down reduces IDD to a few hundred microamps between conversions - useful for handheld instruments where the ADC must wake, convert a burst and return to sleep. This page synthesizes distributor pricing, drop-in alternatives in the same 28-SOIC footprint and practical design notes not found on the manufacturer datasheet cover page.
TLV1572CD - 10-Bit 1.25 MSPS SAR ADC | Texas Instruments
Texas Instruments TLV1572CD is a 10-bit, single-channel successive-approximation analog-to-digital converter with a maximum sampling rate of 1.25 MSPS, a 2.7 V to 5.5 V single-supply range, and an 8-pin SOIC package. The converter accepts an unipolar analog input from 0 V to VCC and is designed for low-power signal-acquisition systems. Its specified power dissipation is 8 mW with a 3 V supply and 25 mW with a 5 V supply. Automatic power-down reduces the supply current to 10 μA whenever a conversion is not performed. An ADC converts a continuously varying analog voltage into a numeric value suitable for processing by a microcontroller, digital signal processor, programmable logic, or industrial controller. The TLV1572 belongs to the successive-approximation ADC, or SAR ADC, category within the broader analog-to-digital converter and data-converter hierarchy. This architecture is appropriate when an application needs compact conversion hardware, a moderate sampling rate, low power consumption, and a straightforward digital interface rather than the throughput of a pipeline ADC. The TLV1572 combines a 10-bit conversion resolution with a maximum throughput of 1.25 million samples per second. Its single 2.7 V to 5.5 V operating range allows operation from standard low-voltage and 5 V supply systems. Automatic power-down is particularly useful in intermittently sampled instruments because the converter can enter a low-current state between measurements. The available manufacturer information also identifies the device as a serial ADC with a very low-power operating mode. The serial interface reduces the number of signals required to transfer conversion results, helping conserve board area and connector pins. Digital data must still be clocked and framed correctly, so the host controller must match the converter's serial timing and logic levels. Because the ADC accepts a 0 V to VCC input range, signal conditioning is generally required when the source can be bipolar, noisy, slow-moving, or outside the converter's supply-referenced input limits. Typical uses include industrial process measurement, low-rate audio or vibration monitoring, battery-powered instruments, temperature-sensor acquisition, communications equipment, and compact embedded control systems. Selection should consider the required sampling rate, input bandwidth, noise performance, reference arrangement, power budget, and required conversion latency rather than resolution alone. A critical design consideration is to keep the analog input and reference network within the operating limits specified by the manufacturer. The input signal should be sampled through a suitable source impedance, and the PCB should minimize noise coupling into the sensitive analog node. Because detailed pin assignments, reference requirements, timing limits, and layout recommendations are not included in the supplied verified snippets, engineers should confirm them against the manufacturer datasheet before releasing a PCB. This product page consolidates the verified manufacturer and distributor information, distinguishes the converter's verified capabilities from unresolved datasheet details, and provides application-oriented design guidance without inventing unavailable pricing, pinout, or cross-reference information.
TLV1572ID - 10-Bit 1.25 MSPS Low-Power SAR ADC | TI
Texas Instruments TLV1572ID is a 10-bit, 1.25 MSPS, single-channel successive-approximation analog-to-digital converter designed for low-power data-acquisition systems. It operates from a single 2.7 V to 5.5 V supply, accepts an analog input from 0 V to VCC, and is housed in an 8-pin SOIC package. The converter provides 1 input channel, differential nonlinearity below ±1 LSB, integral nonlinearity below ±1 LSB, and 59 dB signal-to-noise and distortion ratio at a 500 kHz input frequency. A SAR ADC is a sampling data-converter category that compares the sampled input voltage against an internal DAC through a sequence of binary decisions. Unlike a flash or pipeline ADC, the SAR architecture generally requires less power while providing predictable conversion behavior. The TLV1572ID belongs to the broader ADC, data-converter, signal-processing IC, and semiconductor hierarchies, making it appropriate for embedded measurement, control, and industrial data-acquisition equipment. The principal performance features are the 1.25 MSPS maximum sampling rate, 10-bit resolution, single-ended input architecture, SPI-compatible serial interface, and automatic power-down capability. According to the manufacturer information, typical power consumption is 8 mW at a 3 V supply and 25 mW at a 5 V supply. These characteristics suit systems that need moderate conversion speed and compact implementation without the power and cost of a high-speed flash ADC. The TLV1572ID combines a sampling-and-hold input stage, internal 10-bit DAC, comparator, control logic, and serial output interface in an 8-pin SOIC. Automatic power-down helps reduce consumption when conversions are infrequent. The 59 dB SNR and distortion figure at 500 kHz provides a useful basis for evaluating signal-chain performance, while the stated DNL and INL limits characterize unipolar conversion linearity. Typical applications include industrial process monitoring, sensor signal acquisition, portable instrumentation, embedded control systems, battery-powered measurement equipment, and low-speed data loggers. Its single 2.7 V to 5.5 V supply range also allows it to operate directly from common 3 V and 5 V system rails. The 1.25 MSPS throughput provides sufficient speed for many control-loop and waveform-sampling tasks. Designers should verify the input range, reference behavior, digital-interface timing, and acquisition requirements against the manufacturer datasheet before finalizing a PCB. Input-source impedance, source settling, sampling capacitance, clock jitter, and digital return paths can materially affect practical conversion accuracy. Automatic power-down should also be accounted for when calculating wake-up latency and acquisition-cycle timing. This page consolidates verified manufacturer and distributor information, drop-in candidate analysis, application guidance, and design notes. It highlights the TLV1572ID's low-power SAR architecture and 1.25 MSPS throughput while clearly identifying the electrical details that still require datasheet confirmation.
TLV2541ID - 12-Bit 200 kSPS SAR ADC | Texas Instruments
Texas Instruments TLV2541ID is a 12-bit, 200 kSPS, single-channel successive-approximation ADC with serial output, SPI/DSP-compatible signaling, and operation from 2.7 V to 5.5 V in an 8-pin SOIC package. Its built-in conversion clock, automatic power-down capability, and TMS320-compatible interface support compact, low-power measurement systems. An ADC is an integrated circuit that converts an analog voltage into a digital code. The TLV2541 belongs to the successive-approximation ADC hierarchy, commonly abbreviated SAR ADC, and ultimately falls under data-converter and mixed-signal semiconductor categories. SAR converters are especially useful when moderate resolution, predictable conversion behavior, and a simple serial interface are more important than the very high throughput of a flash converter. Three principal specifications define the TLV2541: 12-bit resolution, a maximum conversion rate of 200 kSPS, and a single 2.7 V to 5.5 V supply. The converter also provides an integrated conversion clock. Verified performance data includes integral nonlinearity and differential nonlinearity of no more than ±1 LSB, signal-to-noise-and-distortion ratio of 72 dB, and spurious-free dynamic range of 85 dB at 20 kHz. The device uses a serial output architecture suitable for SPI-compatible and DSP-compatible signal processing. The interface is compatible with TMS320-class processors operating up to 10 MHz according to the manufacturer product description. Serial output reduces the number of signal lines required on a mixed-signal circuit board while allowing the converter to communicate directly with a microcontroller, digital signal processor, or serial communications controller. Typical uses include battery-powered industrial sensing, portable instrumentation, process-control measurement, low-speed data acquisition, and embedded systems that require analog monitoring without a parallel ADC bus. Its single-channel architecture is appropriate where one analog quantity must be sampled repeatedly. For multichannel systems, several converters can be used with analog multiplexing, provided settling time and acquisition requirements are reviewed carefully. The primary design consideration is ensuring that the analog input remains within the converter's valid range and that the serial interface timing matches the host processor. Decoupling, grounding, input-source impedance, and acquisition-time requirements should be evaluated against the manufacturer datasheet. Automatic power-down can reduce system consumption, but repeated wake-up intervals may affect effective sampling throughput. This page consolidates verified manufacturer and distributor information, drop-in same-family options, technical comparisons, and practical design guidance so engineers can assess the TLV2541ID without relying only on a distributor parameter table.
TLV2542ID - 12-Bit 200kSPS Dual SAR ADC | Texas Instruments
The Texas Instruments TLV2542ID is a 12-bit, 200 kSPS, dual-channel successive-approximation register analog-to-digital converter in an 8-pin SOIC package. It operates from a single 2.7 V to 5.5 V supply and provides serial output that is compatible with SPI and DSP interfaces operating up to 10 MHz. The device combines two analog input channels with a built-in conversion clock, chip select, serial clock, and serial data output for compact embedded measurement systems. An ADC is an analog-to-digital converter, a data-conversion IC that samples a continuously varying voltage and produces a corresponding numeric code. A successive-approximation-register, or SAR, ADC determines each conversion result through a sequence of internal comparisons. SAR ADCs are commonly used where predictable sampling, moderate resolution, low power, and compact serial interfaces are more important than very high conversion throughput. The TLV2542 belongs to the broader ADC data-converter and signal-processing semiconductor hierarchy. The TLV2542ID features 12-bit resolution, 140 kSPS or 200 kSPS maximum throughput options, and specified integral nonlinearity and differential nonlinearity of ±1 LSB maximum. Its signal-to-noise-plus-distortion ratio is specified at 72 dB, while the spurious-free dynamic range is 85 dB. The serial interface supports direct connection to microcontrollers, DSPs, and TMS320-compatible systems up to 10 MHz, reducing the need for external interface logic. The converter uses a single analog supply, with analog input and digital interface functions integrated into a small package. Automatic power-down helps reduce consumption when conversions are not continuously required. The dual-channel architecture is useful for monitoring two independent signals, while the 12-bit code provides approximately 4096 digital levels for each channel. Exact input-range, reference, and absolute-input details must be confirmed in the manufacturer datasheet before final design release. Typical applications include industrial process measurement, battery and power-system monitoring, portable instrumentation, sensor signal acquisition, and embedded DSP or MCU data logging. The serial interface reduces pin count compared with many parallel ADCs, while the dual input count allows one converter to serve two measurements. Designers should account for source impedance, sampling dynamics, reference accuracy, analog grounding, and serial-interface timing. A key implementation consideration is the relationship between analog signal conditioning and ADC accuracy. The front-end should present a low-impedance source, provide suitable filtering for the measurement bandwidth, and keep analog routing away from noisy digital clock and switching signals. This page combines verified product information, distributor availability, application guidance, and replacement constraints for practical engineering review.
TLV2543CN - 12-Bit 11-Channel 66 kSPS ADC | Texas Instruments
The Texas Instruments TLV2543CN is a 12-bit, 11-channel, successive-approximation analog-to-digital converter with a 66 kSPS conversion rate, serial output, programmable power-down, MSB/LSB-first data transfer, and built-in self-test in a 20-pin PDIP package. The converter uses switched-capacitor, successive-approximation conversion and provides an inherent sample-and-hold function. Its 10 µs conversion time and 11-channel multiplexing make it suitable for compact industrial measurement systems that need several analog inputs without allocating a separate converter to every signal. An analog-to-digital converter is an ADC, a mixed-signal semiconductor that converts a continuously varying analog voltage into a numeric code for processing, measurement, logging, or control. The TLV2543 belongs to the successive-approximation ADC family and the broader data-converter and signal-processing IC hierarchy. Its 12-bit resolution provides 4,096 quantization levels, while its serial interface reduces the number of signal lines required when compared with a parallel-output ADC. The headline capabilities include 12-bit resolution, an 11-channel analog input multiplexer, and a maximum throughput of 66 kSPS. The device supports both MSB-first and LSB-first serial output formats, giving the host controller flexibility in clocking and data processing. Programmable power-down helps reduce consumption when measurements are intermittent, while three built-in self-test modes support diagnostic checks of the converter and its serial interface. Internally, the switched-capacitor SAR architecture compares the sampled input against a generated reference during successive conversion steps. An inherent sample-and-hold stage isolates the selected input during conversion, while the 11-to-1 multiplexer allows one converter core to service multiple analog sources. The manufacturer identifies the device as a 1 SAR ADC with 11 input channels and a serial control/data interface. Typical uses include industrial process monitoring, environmental sensing, instrumentation, laboratory measurement, and embedded control systems. An ADC can be used when the system must repeatedly select one of several sensors, convert the selected voltage, and transfer the resulting code over a compact serial bus. The TLV2543CN is particularly relevant where 12-bit resolution is sufficient but the number of available pins or PCB area is constrained. Designers should confirm the actual reference voltage, analog input range, acquisition timing, digital interface levels, and operating-temperature limits against the manufacturer datasheet before layout. Because this part is a multiplexed converter, source impedance, sampling charge, settling time, and protection-network capacitance can affect conversion accuracy. Decouple the supply and reference rails locally, keep analog routing away from fast digital signals, and account for the 10 µs conversion time when scheduling scans. This page consolidates the verified 12-bit, 66 kSPS, 11-channel, serial-output, power-down, and self-test characteristics with package information, application guidance, and a careful drop-in-replacement assessment. Because verified pricing, detailed electrical limits, and a complete pin map were not supplied, those items are explicitly marked for verification rather than inferred.
TLV2543IN - 12-Bit 66 kSPS 11-Channel SAR ADC | Texas Instruments
Texas Instruments TLV2543IN is a 12-bit, 66 kSPS successive-approximation analog-to-digital converter with 11 analog input channels, serial output, programmable power-down, selectable MSB/LSB-first data transfer, and built-in self-test capability. It is supplied in a 20-pin PDIP package designated N. The converter combines a 10 µs conversion time with an inherent sample-and-hold function and three built-in self-test modes. An ADC is an analog-to-digital converter, a category of data-acquisition and signal-processing ICs that transforms a continuously varying voltage into a numeric code. A SAR ADC compares the sampled input against an internal DAC through a sequence of binary trials, producing one result at the end of each conversion. The TLV2543IN belongs to the switched-capacitor SAR ADC family and provides 11 channels plus serial control for compact, multiplexed measurement systems. The principal specifications verified for the TLV2543IN are its 12-bit resolution, 66 kSPS conversion rate, 11-channel input count, and 10 µs conversion time. Programmable power-down helps reduce activity when conversions are not required, while MSB/LSB-first selection provides interface flexibility. Three built-in self-test modes support device-level verification routines, and the inherent sample-and-hold architecture simplifies acquisition sequencing across multiple analog inputs. The device uses serial control and serial data transfer rather than a parallel data bus. Its control interface includes chip select, input/output clock, and data input signals, as described for the TLV2543 family. This interface keeps the pin count manageable in the 20-pin PDIP package and suits systems where the ADC shares a serial bus with other peripheral devices. Because the available source snippets do not state the reference-voltage range, input range, DNL, INL, or power specifications, those values require confirmation in the manufacturer datasheet before final circuit design. Typical applications include multichannel industrial process measurement, sensor multiplexing, laboratory data acquisition, battery or supply monitoring, and embedded control systems that require a compact serial ADC. The 11-channel arrangement is particularly useful when several analog quantities must be sampled with one converter. The 66 kSPS rate supports general-purpose acquisition rather than the very high sampling rates normally associated with waveform capture. Designers should verify the complete pinout, analog input range, reference requirements, settling behavior, and serial timing from the manufacturer datasheet before layout. Input filtering, source impedance, grounding, and decoupling also require application-specific review because those values are not present in the verified source excerpts. PCB compatibility must be confirmed by comparing the 20-pin PDIP footprint and signal functions rather than relying only on the device description. This page consolidates the verified 12-bit, 66 kSPS, 11-channel architecture, package information, interface options, and sourced availability information for TLV2543IN. It also separates verified facts from missing electrical details and explains the limits of the available drop-in alternative data, helping engineers plan a safe datasheet-verified design and procurement review.
TLV2544CD - 12-Bit 200kSPS 4-Channel Serial ADC | Texas Instruments
The Texas Instruments TLV2544CD is a 12-bit, 200 kSPS, 4-channel serial-output ADC with a 16-pin SOIC package. It operates from a single 2.7 V to 5.5 V supply, uses a successive-approximation-register conversion architecture, and provides an 8-sample FIFO with automatic power-down control through software or hardware. An ADC is a data-acquisition IC that converts an analog voltage into a digital code for measurement, monitoring, or control. The TLV2544 belongs to the SAR ADC and serial-interface ADC hierarchy within analog-to-digital converters and data-converter ICs. Its 12-bit resolution provides 4096 discrete quantization levels, while four analog input channels let one converter service multiple sensors without requiring a separate ADC for each signal. The TLV2544CD supports input rates up to 200 kSPS and a stated conversion time of 3.86 microseconds. Its serial interface uses chip select, serial clock, serial data input, and serial data output signals, allowing the converter to communicate efficiently with microcontrollers and embedded processors. The integrated 8-entry FIFO helps buffer multiple conversions and reduces the frequency at which the host processor must retrieve results. Automatic power-down can be initiated through software or hardware, helping reduce power consumption in intermittent measurement systems. The 2.7 V to 5.5 V operating range supports both 3.3 V and 5 V system rails, although the selected external supply and reference implementation must remain within the device limits. Because the converter uses a serial output, board layout and signal-integrity practices remain important when clock rates increase. Typical uses include industrial process monitoring, portable data loggers, battery-powered sensor interfaces, consumer equipment, and embedded control systems. The four-channel architecture is especially useful when several slowly changing analog signals must be sampled through a shared host interface. The FIFO is useful when the processor occasionally needs time to perform other tasks between conversion bursts. Designers should verify the complete pin arrangement and electrical limits in the manufacturer datasheet before layout. Input-source impedance, reference stability, sampling behavior, digital-interface timing, and decoupling directly affect conversion accuracy. Place bypass capacitance close to the supply pins and keep analog and digital return paths controlled to minimize conversion and clock-related errors. This product page consolidates verified manufacturer and distributor information, package details, procurement data, and same-family drop-in candidates. It also distinguishes verified electrical facts from parameters that still require datasheet confirmation, helping engineers compare the TLV2544CD without relying on incomplete distributor summaries.
TLV2544ID - 12-Bit 200 kSPS 4-Channel SAR ADC | Texas Instruments
Texas Instruments TLV2544ID is a 12-bit, 200 kSPS, four-input successive-approximation-register analog-to-digital converter housed in a 16-pin SOIC package. It operates from a 2.7 V to 5.5 V single supply and provides a serial interface with chip select, serial clock, serial data input, and a three-state serial data output. Its conversion time is listed as 3.86 microseconds in the manufacturer datasheet. An ADC is an interface IC that converts continuously varying analog voltages into numerical values for processing by a microcontroller, DSP, or other digital controller. The TLV2544 belongs to the SAR ADC hierarchy, where an internal sample-and-hold circuit and successive comparison stages produce a digital result. This category is used when a system needs moderate resolution, predictable conversion speed, low power consumption, and a compact serial interface rather than a high-throughput parallel converter. The TLV2544ID combines 12-bit resolution with a maximum conversion rate of 200 kSPS and four analog input channels. Automatic power-down can be controlled in software or hardware, helping reduce current consumption when conversions are not continuous. The family also supports an eight-word FIFO and a four-channel multiplexing arrangement, allowing a compact converter to sample multiple sources sequentially. A single 2.7 V to 5.5 V supply simplifies integration with both 3.3 V and 5 V systems. The serial interface reduces the number of PCB traces and package pins required compared with a parallel ADC. Chip select permits sharing of the serial bus, while the three-state output can isolate devices on a common data line. Because the TLV2544 is a SAR ADC, sampling behavior, source impedance, acquisition time, reference stability, and digital-interface timing are central considerations in a complete measurement chain. Typical uses include industrial sensor acquisition, portable measurement instruments, battery-powered monitoring systems, process-control nodes, and embedded data acquisition. The four inputs are useful for monitoring thermistors, potentiometers, analog sensors, and mixed bipolar or unipolar signals when the selected input range and front-end circuitry support those sources. For reliable operation, keep analog and return paths short, bypass the supply close to the device, and confirm the source-impedance limits for the selected sampling rate. The digital interface should also use defined levels at all times because the three-state output must not contend with another driver. This product record combines manufacturer specifications, distributor availability information, same-family alternatives, interface guidance, and application-oriented design notes to provide practical engineering context beyond the basic ordering table.
TLV2544QD - 12-Bit 4-Channel 200 kSPS ADC | Texas Instruments
The Texas Instruments TLV2544QD is a 12-bit, 4-channel, successive-approximation analog-to-digital converter with a maximum throughput of 200 kSPS, operating from a single 3 V to 5.5 V supply in a 16-pin SOIC (D) package. It is designed for low-power, low-speed data acquisition systems requiring four analog input channels and a serial output interface. The converter supports automatic power-down through both software and hardware control, helping reduce system power consumption when measurements are not continuously required. An analog-to-digital converter, or ADC, converts continuous analog voltages into digital values for processing by a microcontroller, DSP, or other digital controller. The TLV2544QD belongs to the SAR ADC family within the broader ADC and data-converter hierarchy. Its four input channels make it suitable for sensor monitoring, industrial control, instrumentation, and portable equipment where several analog measurements must be acquired with a compact serial interface. The key operating characteristics include 12-bit resolution, 4 analog inputs, 200 kSPS maximum sampling performance, a 3 V to 5.5 V supply range, and a serial output architecture. The converter also includes automatic power-down, a low-power operating mode, and a conversion-clock and reference arrangement described in the family documentation. The 16-SOIC package is designed for conventional surface-mount PCB assembly and provides a practical footprint for compact analog front ends. The TLV2544QD is identified as an automotive-catalog device in the manufacturer product information. The available product listing identifies the TLV2544Q family as a 12-bit, 200 kSPS, low-power serial ADC family, while the target orderable part is the 4-channel SOIC version. Engineers should confirm the exact temperature range, reference details, input impedance, timing characteristics, and automotive qualification documentation against the current manufacturer datasheet before releasing a production design. Typical applications include industrial sensor interfaces, battery-powered measurement equipment, temperature and pressure monitoring, portable instrumentation, and low-speed motor or process-control systems. The four-channel architecture simplifies PCB routing by reducing the number of separate converter packages, while the serial interface helps limit pin count and support economical connection to a digital controller. Automatic power-down is particularly useful when the acquisition system operates intermittently. Designers should confirm analog input voltage limits, acquisition timing, reference stability, digital-interface levels, and the recommended input and reference decoupling network. PCB layout should keep the analog input traces short, separate sensitive analog routing from switching nodes, and provide a stable ground reference. The available verified information identifies the device as a 16-pin SOIC; a complete pin-level assignment was not present in the supplied data, so the pinout is intentionally not fabricated here.