ADC/DAC
Sản phẩm (2.700+)
TLC540IDWR - 8-Bit 75kSPS SAR ADC, 11-Input MUX, 20-SOIC | TI
The Texas Instruments TLC540IDWR is an 8-bit, 75 kSPS successive-approximation analog-to-digital converter with an integrated 12-channel (11 external + 1 self-test) analog multiplexer and a synchronous serial interface, housed in a 20-pin SOIC (DW) package. The serial output drives up to four control inputs including an independent system clock, and an on-chip analog MUX supports up to eleven single-ended analog inputs. Built-in self-test mode, software-controllable power down, and a -40C to +85C industrial temperature range make the part well suited to data-acquisition front ends on microprocessors or DSP peripherals. A Successive-Approximation Register (SAR) ADC is a converter architecture that performs a binary search on the input voltage through an internal DAC, yielding one conversion in N clock cycles for an N-bit result. SAR converters are valued for deterministic latency and absence of pipeline delay, which lets the same architecture scale from 8 to 18 bits without architectural changes. Within the broader taxonomy this part sits under data converters > ADC > SAR ADC > single-channel SAR with integrated MUX, a category dominated by TI's TLC540/TLC541/TLC1541 family and pin-compatible follow-ons. Key differentiating features include 8-bit resolution with 75 kSPS maximum sample rate, an input MUX that expands a single ADC into eleven analog channels, low conversion time (~17 us typical), software-controlled power down (typically 4 mW active vs sub-mW in shutdown), and a serial interface compatible with TMS320 DSPs and most microcontrollers. A self-test mode exercises the analog path against an internal reference voltage, an unusual feature at this resolution/price point that simplifies production-time board test. The TLC540/541 family uses a switched-capacitor charge-redistribution DAC at the core of the SAR loop, with a precision analog MUX feeding a single high-impedance input. The serial interface uses chip-select, I/O clock, and data-out lines with the option of synchronous or asynchronous operation. Single +5V supply operation removes the need for negative rails, simplifying analog front-end design in 5V-only industrial systems. Typical applications include multi-channel sensor monitoring in industrial process control, scanned battery-cell voltage measurement in multi-cell battery management, keypad and panel-meter scanning in low-cost human-interface designs, and portable instrumentation where the on-chip MUX reduces BOM against a discrete MUX + ADC pair. When designing with the TLC540IDWR, allocate at least four I/O clock cycles per sample and ensure CS/FS (chip-select / frame-sync) timing matches the host DSP. A 0.1 uF decoupling capacitor must be placed within 5 mm of the VCC pin; analog and digital grounds should be tied at a single star point under the device to limit digital-coupling noise on the multiplexer. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet, with values verified against TI's TLC540 datasheet and current DigiKey/Mouser stock as of 2026-10-15.
TLC541INSG4 - 8-Bit 40kSPS 11-Ch Serial ADC | Texas Instruments
The Texas Instruments TLC541INSG4 is an 8-bit, 40 kSPS successive-approximation analog-to-digital converter (ADC) with 11 analog input channels and a serial (SPI/QSPI/MICROWIRE-compatible) data interface, housed in a 20-pin SOIC (NS) package. It operates from a single 5 V analog supply with a digital supply range of 4.5 V to 5.5 V, supports an input analog range of 0 V to 5 V, and is rated for industrial temperature operation from -40 °C to +85 °C. The on-chip 12-channel analog multiplexer allows direct connection of up to 11 external sensors plus one internal self-test channel. What is an ADC? An analog-to-digital converter (ADC) is a semiconductor device that transforms continuous analog voltage signals into discrete digital codes, enabling microcontrollers, microprocessors, and DSPs to process real-world signals. Successive-approximation (SAR) ADCs use an internal DAC and comparator to converge on the input voltage bit-by-bit in a fixed number of clock cycles, providing deterministic latency and excellent DC accuracy. The TLC541 belongs to the SAR ADC product family within the broader data-converter (ADC/DAC) category of signal-chain integrated circuits. Key features include 40 kSPS maximum sampling rate, ±0.5 LSB integral linearity error (0.1953 % typical linearity error), 17 µs conversion time, on-chip sample-and-hold, software-configurable analog channel selection, and a hardware reset input. The serial interface reduces pin count versus parallel-output ADCs and simplifies isolation in industrial designs. Built-in self-test mode verifies internal reference integrity without external instrumentation, supporting safety-critical calibration routines. The TLC541 uses a switched-capacitor charge-redistribution SAR architecture with an internal reference and sample-and-hold amplifier. Its CMOS implementation yields low analog-input leakage (typically <1 µA) and low digital-interface power draw, allowing direct connection to 5 V microcontrollers such as the TI MSP430 and classic 8051 family. The 20-pin SOIC footprint simplifies PCB layout on standard 0.1" grid prototyping boards. Typical applications include multi-channel data acquisition front-ends in industrial process control, portable instrumentation with battery monitoring, factory-automation sensor multiplexing, HVAC multi-zone temperature and pressure monitoring, automotive body-controller analog sensing, and medical-grade low-speed signal digitisation where 8-bit resolution is acceptable. When designing with this device, decouple the analog and digital supplies with separate 0.1 µF ceramic bypass capacitors placed as close as possible to the AVDD and DVDD pins. Use short, guarded analog traces to minimise crosstalk between channels, and add an external RC filter on each analog input when driving from high-impedance sources. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone.
TLC542CDWG4 - 8-Bit 25kSPS Serial 11-Input SAR ADC | Texas Instruments
The Texas Instruments TLC542CDWG4 is an 8-bit, successive-approximation analog-to-digital converter with 11 analog input channels and a serial interface, housed in a 20-pin SOIC (DW) package with gull-wing leads. It supports a sampling rate of 25 kSPS, operates from a single 5V analog supply (with a separate digital supply option), and targets 0C to 70C commercial temperature environments. The converter is built around a switched-capacitor SAR core with on-chip 12-channel analog multiplexer (11 external inputs plus one for self-test), making it suited for microprocessor-peripheral or stand-alone ADC operation. An SAR ADC is a successive-approximation-register analog-to-digital converter that performs a binary search through internal capacitor-DAC weighting to settle one bit per clock cycle, achieving 8 bits of resolution in 8 conversion cycles. Within the broader product taxonomy, the TLC542 belongs to the data-converter family (ADC sub-class), which sits under signal-chain semiconductors and ultimately under analog ICs. Compared with delta-sigma ADCs, SAR converters deliver deterministic, low-latency conversions without continuous-time integrators, which is why this architecture dominates industrial control loops, sensor front-ends, and digital-multimeter front ends where acquisition latency, deterministic timing, and ease of MCU interface outweigh noise-density and bits-resolution considerations. Key differentiating features include the 11-input analog multiplexer that expands channel count without an external analog switch, the serial data interface that minimizes MCU pin usage (a major advantage in space-constrained designs), and integrated sample-and-hold plus reference buffering. The CMOS implementation achieves low power consumption suitable for line-powered and battery-instrumented monitoring. The 20-pin SOIC (DW) package provides a 7.50 mm body width suitable for both hand-soldered prototyping and high-volume SMT assembly lines. Typical applications span industrial process control, digital panel meters, electronic scales and load-cell meters, battery-pack monitoring, and embedded sensor front-ends for PLC and microcontroller systems. Designers commonly pair it with an MCU such as an MSP430 or 8051 derivative, an instrumentation amplifier for low-level analog signal conditioning, and a precision external reference when the internal reference's accuracy is not adequate for the target bit-weighted LSB budget. When designing with this part, ensure that the analog and digital grounds are tied at a single point near the converter to minimize digital-noise coupling. The serial interface lines should be guarded against noisy digital traces, and an external 2.5V or 5V reference is recommended for designs requiring absolute accuracy beyond the internal reference's drift specification. This page synthesizes distributor stock and pricing, drop-in alternatives sourced from the TI product tree, and design notes compiled from typical-application reference circuits not aggregated on a single supplier page.
TLC542IFNRG3 - 8-Bit 25kSPS 11-Ch SAR ADC | Texas Instruments
The Texas Instruments TLC542IFNRG3 is an 8-bit, 25 kSPS successive-approximation analog-to-digital converter (SAR ADC) with an on-chip 11-channel analog multiplexer and serial interface, housed in a 20-pin PLCC (J-lead) package rated for the -40C to +85C industrial temperature range. Key headline specifications include 8-bit resolution, a 25 kSPS sampling rate, a 20-microsecond conversion time, 11 analog input channels, and a switched-capacitor successive-approximation architecture. The serial output uses a 3-state interface that connects directly to a microprocessor or DSP through three inputs: I/O CLOCK, CS (chip select) and ADDRESS (with serial data output on the I/O CLOCK line). An SAR ADC is a type of data converter that uses a binary-search algorithm against an internal DAC to resolve each input voltage into a digital code in N clock cycles (where N is the resolution in bits). SAR ADCs typically outperform integrating or delta-sigma converters on speed and latency, at the cost of resolution, and are widely used in embedded data acquisition, motor control, sensor read-out, and instrumentation front-ends. Within the converter hierarchy, SAR sits between fast flash ADCs (low resolution, very high speed) and delta-sigma ADCs (high resolution, lower speed), making 8-bit 25 kSPS parts a sweet spot for cost-sensitive multi-channel monitoring. The TLC542IFNRG3 is built on a CMOS switched-capacitor process that integrates the sample-and-hold into the SAR core, eliminating external track/hold circuitry. Built-in features include software-configurable analog input multiplexer addressing, a sample-and-hold, internal reference, and a serial I/O port that simplifies PCB layout by replacing wide parallel data buses with a single serial link. Typical applications include multiple sensor monitoring, process control front-ends, battery-cell voltage monitoring, isolated data acquisition modules, portable instrumentation, and consumer electronics such as appliance control boards where a small MCU needs to read several analog points without consuming many GPIO pins. When designing with this part, note that the input multiplexer allows one of 11 channels to be addressed through a single serial write, and the previous conversion result is read on the same clock edge - this time-multiplexed protocol keeps host pin count low. Decouple VCC close to the package with at least 0.1 uF, and route analog and digital grounds separately to avoid digital switching noise coupling into the SAR comparator.
TLC545ING4 - 8-Bit 76 kSPS ADC, 19-Ch Serial, 28-DIP | TI
The Texas Instruments TLC545ING4 is an 8-bit, 76 kSPS successive-approximation analog-to-digital converter with a 19-input analog multiplexer and a serial interface, housed in a 28-pin PDIP (0.600 inch / 15.24 mm) through-hole package. It integrates a switched-capacitor ADC core, on-chip 20-channel (19 external + 1 self-test) analog MUX, sample-and-hold, and a synchronous serial port compatible with most microprocessors. An ADC (analog-to-digital converter) is a mixed-signal integrated circuit that converts a continuous analog voltage on one of its input pins into a discrete binary code. Successive-approximation ADCs like the TLC545ING4 use an internal binary-search algorithm combined with an internal DAC to resolve the input one bit at a time per clock cycle. In the broader taxonomy, the TLC545ING4 sits as: ADC -> data converter -> data acquisition IC -> mixed-signal IC -> semiconductor. The 8-bit resolution and integrated analog MUX place it in the low-cost, microcontroller-peripheral class of converters. Key specifications include 8-bit resolution, 19 single-ended analog input channels, 76 kSPS maximum sampling rate (9 us typical conversion time), single +5 V analog supply, and a serial output interface. Operating temperature spans -40 C to +85 C (industrial grade). The on-chip analog multiplexer accepts 19 external inputs plus one self-test channel, dramatically reducing external analog switch circuitry in multi-channel data-acquisition systems. The TLC545ING4's internal architecture combines a charge-redistribution DAC, successive-approximation register (SAR), and comparator. The serial interface uses four control lines (CS, I/O Clock, Address, Data Out) to communicate with virtually any host microcontroller. The device offers both hardware and software-controlled conversion modes and includes a built-in self-test mode for in-system diagnostics. Typical applications include process control, factory automation, portable instrumentation, multi-channel data loggers, and embedded monitoring where a microcontroller needs to digitize many analog signals with minimal external components. The integrated 19-channel MUX eliminates the need for external analog switches in most multi-sensor systems. When designing with the TLC545ING4, ensure the analog input source impedance is below the datasheet-specified maximum to avoid conversion errors from incomplete settling through the internal MUX and sample capacitor. Use the device's built-in self-test mode at power-up to validate the ADC core. This page synthesizes distributor stock, drop-in pin-compatible alternatives, and design notes not collected in any single manufacturer document.
TLC549CD - 8-Bit 40kSPS SAR ADC Serial Out | Texas Instruments
The Texas Instruments TLC549CD is an 8-bit, 40-kSPS successive-approximation analog-to-digital converter with a serial 3-state data output, housed in an 8-pin SOIC (D) package. It accepts a single-ended analog input with differential reference input voltages and integrates an on-chip software-controllable sample-and-hold function. Maximum conversion time is 17 µs, supporting up to 40,000 conversion cycles per second from a single 3V to 6V analog supply. A successive-approximation register (SAR) ADC is a converter architecture that uses a binary-search algorithm against an internal digital-to-analog converter to determine each input code, one bit per clock cycle. Compared with integrating or flash ADCs, SAR converters balance moderate speed, low power, and 8-to-18-bit resolution, making them the standard topology for microcontroller peripheral A/D channels and standalone data-acquisition front-ends. The TLC549CD specifically targets low-power applications where serial data transfer to a host processor or peripheral is acceptable in exchange for minimal pin count. Key features of the TLC549CD include on-chip software-controllable sample-and-hold, differential reference input voltages that allow ratiometric conversion, a 3-state serial data output that simplifies bus sharing with other peripherals, and total access and conversion time of 17 µs max. The part is designed for either microprocessor-peripheral or fully standalone operation, with I/O CLOCK, chip select (/CS), and DATA OUT forming a serial interface compatible with many 8-bit microcontrollers of its era. The 8-pin SOIC package simplifies PCB layout where analog and digital grounds can be cleanly separated. The TLC549CD integrates a switched-capacitor successive-approximation architecture with 8-bit resolution and an 8-bit on-chip sample-and-hold circuit. The serial interface uses three signals (CS, I/O CLOCK, DATA OUT) and is a subset of the SPI specification, allowing direct connection to most microcontrollers and DSPs. The differential reference inputs permit ratiometric conversion when REF+ and REF- are derived from the input signal chain, improving immunity to absolute reference drift. Typical applications include digital panel meters, portable instrumentation, temperature and process controllers using sensors such as thermocouples or thermistors, battery monitoring in consumer products, and low-speed data loggers. The serial output makes it well suited to microcontroller systems with limited GPIO availability, and the 5V single-supply operation matches legacy 5V digital rails commonly found in industrial controllers. When designing with this device, place a 10 µF (or larger) bypass capacitor directly at the VCC pin and keep the analog input traces short and guarded to preserve the 8-bit resolution. The differential reference inputs must be driven from a low-impedance source to maintain conversion accuracy; the reference voltage range sets the full-scale input range (REF- to REF+).
TLC549IDR - 8-Bit 40kSPS Serial SAR ADC | Texas Instruments
The Texas Instruments TLC549IDR is an 8-bit, 40 kSPS serial-output successive-approximation analog-to-digital converter (ADC) housed in an 8-pin SOIC package. It operates from a single 5V analog supply and a separate digital supply, draws only 1.8 mA typical operating current, and integrates an on-chip software-controllable sample-and-hold. The serial interface uses three wires (CS, I/O CLOCK, DATA OUT) for direct connection to most microcontrollers. An SAR (Successive-Approximation Register) ADC is a type of data converter that performs bit-by-bit comparison of the analog input against an internal precision DAC, producing a digital code after N conversion cycles for N-bit resolution. SAR ADCs sit in the broader data-acquisition signal chain alongside delta-sigma and pipeline architectures, and the TLC549's low pin count and 3-wire serial interface make it one of the canonical microcontroller-peripheral ADCs of its generation. Key features include 17 microsecond maximum total access and conversion time, a differential reference input that supports ratiometric measurements, and software-controlled sample-and-hold operation. The device is pin-compatible with the TLC540/545/1540 family, enabling easy migration to higher channel counts or 10-bit resolution. Its micropower consumption and tiny 8-SOIC footprint suit space- and battery-constrained designs. The TLC549 uses a switched-capacitor charge-redistribution DAC core, controlled by an on-chip SAR. Conversion is triggered by the falling edge of CS, after which 8 I/O CLOCK cycles shift the conversion result out LSB-first on DATA OUT, supporting both standalone and microprocessor-peripheral operation. Typical applications include portable instrumentation, sensor signal digitization (thermistors, potentiometers, strain gauges), battery monitoring, simple process control loops, and embedded data logging. Designers choose the TLC549 when 8-bit resolution and moderate speed are sufficient and PCB area is at a premium. When designing with this device, place 0.1 microfarad decoupling capacitors close to both the analog and digital supply pins, keep the analog input traces short, and ensure that REF+ minus REF- stays within the 1V to 5V differential range. Driving CS low for longer than the conversion time initiates a new conversion cycle. This page synthesizes distributor pricing, drop-in compatible alternatives, and practical design notes not found in the manufacturer datasheet, helping engineers evaluate the TLC549IDR for new designs and legacy system maintenance.
TLC549IDRG4 - 8-Bit 40kSPS Serial ADC | Texas Instruments
The Texas Instruments TLC549IDRG4 is an 8-bit successive-approximation (SAR) analog-to-digital converter (ADC) with a serial interface, offering 40 kSPS sampling rate in an 8-pin SOIC (D) package. The part operates from a single 3V to 6V analog supply and includes a differential analog reference input pair (REF+ and REF-) that allows scaling the input range to any span within the supply rails. The device is the tape-and-reel (TR) shipping variant of TLC549ID and uses the G4 suffix denoting Pb-free assembly. A SAR ADC is a converter architecture that uses a binary-search successive-approximation register to step an internal DAC toward the analog input, producing one conversion per N clock cycles where N equals the bit resolution. Within the broader ADC taxonomy, SAR ADCs sit between flash converters (very fast, expensive, high power) and sigma-delta converters (very high resolution, lower speed), making SAR the dominant choice for general-purpose 8-12 bit data acquisition at sample rates from 1 kSPS to 1 MSPS. The TLC549 family uses this architecture to combine low power consumption with deterministic conversion latency, ideal for microcontroller-peripheral roles. Key specifications include 8-bit resolution, 17 microseconds maximum total access-and-conversion time, single-channel differential analog input, and a chip-select (active-low CS) serial interface compatible with SPI and Microwire peripherals. Per the TI datasheet, the converter draws approximately 1.5 mA active supply current and offers software or hardware power-down control via the CS pin. The differential reference gives designers flexible scaling - the analog input span equals REF+ minus REF-, allowing gain/offset trimming in instrumentation circuits without external amplifiers. Typical applications include portable data loggers, battery monitoring circuits, remote sensor read-back interfaces, simple digital panel meters, and stand-alone analog front-ends for embedded microcontrollers. The wide supply range and low power consumption also make it well-suited for 4-20 mA loop-powered industrial sensors. The 8-bit resolution is adequate for temperature, position, and process-variable readouts where 1 LSB accuracy (»0.4% FS at 5V reference) is acceptable. One design consideration is that the serial clock and chip-select timing must respect the 17-microsecond conversion budget; reading the previous conversion result overlaps with starting the next conversion in standard SPI mode 0, an efficient dual-purpose cycle that minimizes throughput overhead.
TLC5540CPWRG4 - 8-Bit 40 MSPS Flash ADC, 24-TSSOP | Texas Instruments
The Texas Instruments TLC5540CPWRG4 is an 8-bit, 40-MSPS (megasamples per second) flash analog-to-digital converter (ADC) with a single input channel and internal sample-and-hold, housed in a 24-pin TSSOP (PW) package. It uses a semiflash architecture implemented in CMOS, combining high-speed conversion with low power consumption and low cost, while delivering differential linearity of ±0.3 LSB (typical) / ±1 LSB (max) and an analog input bandwidth of approximately 75 MHz (typical), which makes the device well suited to undersampling IF/RF signals. An ADC (analog-to-digital converter) is a data-acquisition mixed-signal IC that converts a continuous-time analog voltage on its input pin into a discrete digital code at its output. Within the broader signal-chain taxonomy, the TLC5540 sits at the A-to-D stage between an analog front end (sensor, op-amp buffer, or anti-alias filter) and a digital processor (DSP, microcontroller, or FPGA). The 8-bit flash/semiflash class targets high-speed, moderate-resolution applications such as video digitizers, CCD imaging pipelines, digital oscilloscopes, and communication baseband/IF digitizers where sample rate matters more than resolution. The TLC5540 family improves on pure-flash designs by halving the number of comparators, which reduces die area, input capacitance, and power. Key features of the TLC5540CPWRG4 include: 40 MSPS guaranteed minimum conversion rate, single +5 V analog supply, TTL/CMOS-compatible digital outputs, internal reference resistors, low input capacitance, and an external bias-pin connection for trimming full-scale range. The semiflash architecture inherently provides a sample-and-hold function on the analog input, eliminating the need for an external track-and-hold amplifier in most system designs. Power consumption scales with sampling rate, and the wide digital bus widths allow direct interfacing to a micro or DSP for the digital data. Typical applications for the TLC5540CPWRG4 include video digitizing, CCD imaging, digital communication IF sampling, ultrasound front-end processing, and low-cost digital oscilloscope channels. The wide analog input bandwidth (75 MHz typical) also enables direct IF undersampling in low-cost communication receivers. For higher resolution, the same TSSOP-24 footprint is shared with TI's 10-bit and 12-bit companion parts, allowing PCB reuse when upgrading resolution. When designing with the TLC5540CPWRG4, drive the analog input through a low-impedance, wideband op-amp buffer (such as the OPA354 or LMH6702) to minimize aperture-time distortion, and decouple the analog and digital supplies separately with 0.1 µF ceramic capacitors placed close to the supply pins. Avoid routing digital output switching currents near the analog input trace, and provide a solid ground plane under the device for low-noise operation. This page synthesizes distributor pricing, drop-in TSSOP-24 alternatives (TLC5540IPWRG4, TLC5540CPWR, TLC5540CPWG4), comparison parameters not collected on a single datasheet page, and practical PCB layout guidance not present in the manufacturer datasheet.
TLP7830(D4-LF4 - 16-Bit Isolated Delta-Sigma Modulator | Toshiba
Toshiba TLP7830(D4-LF4 is a 16-bit optically isolated delta-sigma modulator with digital serial output, 5000 Vrms isolation, and an 8-pin SO8L (LF4) package. Its verified supply range is 3 V to 5.5 V, and the device is intended for motor phase-current sensing, inverter voltage sensing, and other high-voltage isolation applications. An isolated delta-sigma modulator is an isolation amplifier that converts an analog input into a serial digital bitstream. In this signal chain, it belongs to the hierarchy isolation amplifier, isolated measurement IC, signal-conditioning IC, and semiconductor. Optical isolation separates the measured input-side circuitry from the logic-side interface while converting the signal into digital data for subsequent processing. The TLP7830 provides one channel, 16-bit resolution, and a serial interface according to the verified product and comparison data. Its 5000 Vrms isolation rating supports reinforced separation in motor-drive systems, while the compact SO8L package reduces board area compared with larger isolation solutions. The device is supplied for dual-side operation because both the input and output sides require supply rails. Toshiba classifies the TLP7830 as an isolation amplifier and isolated delta-sigma modulator, not as a conventional analog-output amplifier. This distinction matters in design: the downstream receiver must clock and decode the serial bitstream rather than looking for an analog voltage at the output. The verified comparison data identifies a 3 V to 5.5 V supply range, 16-bit resolution, serial interface, and one channel. Typical applications include three-phase motor phase-current monitoring, inverter control feedback, power-converter current sensing, industrial motor drives, and isolated voltage measurement. In these systems, the modulator can provide a digital measurement path across a high-potential barrier while keeping control-side circuitry electrically separate. Designers should verify the exact LF4 pinout and capacitor requirements against the manufacturer datasheet before layout. Input-side and output-side bypass capacitors should be placed close to their associated pins, and the isolation barrier must not be bridged by copper or signal traces. The available web results do not provide complete electrical timing, accuracy, temperature, or package dimensions. This page consolidates the verified Toshiba product information, distributor identifiers, package details, and application context while clearly identifying unavailable parameters. It is intended to support initial component selection, sourcing, and datasheet review rather than replace the manufacturer datasheet during final design sign-off.
TLP7830(D4-TP4 - 16-Bit Isolated Delta-Sigma Modulator
The Toshiba Semiconductor and Storage TLP7830(D4-TP4 is a single-channel, optically isolated delta-sigma modulator with a digital output, 16-bit resolution, and 5000 Vrms isolation. It is supplied in an 8-pin SOIC-compatible package for industrial sensing and control systems. According to the Toshiba product page and distributor records, the device is intended for motor phase-current and voltage sensing, inverter current and voltage sensing, and other applications that transmit analog measurements across a galvanic-isolation barrier. An optically isolated delta-sigma modulator is a signal-chain interface that converts an analog input into a high-resolution serial bitstream while electrically isolating the input side from the output side. The modulator belongs to the broader isolation-amplifier and isolated-data-converter hierarchy, combining sensor conditioning, digital conversion, and reinforced isolation in one package. This makes it useful where a measured voltage must cross a high-potential barrier without a direct conductive connection. The verified product information identifies a serial interface, 16-bit resolution, one channel, dual supply operation, and an SO8L package designation. The manufacturer describes the family as a high-speed digital modulator for serial data transmission. Its digital output allows the received bitstream to be processed by a microcontroller, DSP, or dedicated digital interface, while the isolation barrier supports protection and signal-transfer requirements in power-conversion equipment. The main engineering consideration is that the exact input range, supply-current limits, timing, bandwidth, accuracy, propagation behavior, and pin-level functions are not present in the supplied verified records. Those parameters must be confirmed from the official TLP7830 datasheet before schematic capture, PCB layout, firmware configuration, or production release. The distributor listings also identify package naming variations such as 8-SO and SO8L, so engineers should confirm the exact ordering code and mechanical drawing. Typical use cases include three-phase inverter control, motor phase-current monitoring, isolated voltage measurement, industrial power conversion, and digital control systems. The device is especially relevant where a sampled analog quantity must be transferred across an isolation barrier and converted into data that a digital controller can process. The isolation rating, serial format, resolution, and package are the primary selection parameters confirmed by the supplied data. For PCB implementation, preserve the isolation barrier, place input and output return paths according to the manufacturer layout guidance, and verify whether the selected package uses the SO8 or SO8L creepage and clearance dimensions. Do not infer pin functions from the generic isolated-amplifier category; use the official pinout and application information. The available distributor results show active or stocked offerings from multiple channels, but pricing, stock, lead time, and lifecycle status should be confirmed at the time of quotation. This page consolidates the verified Toshiba and distributor information, isolates the confirmed product identity and package details, identifies application-fit questions, and records unverified technical parameters as data-needed rather than guessing. It is intended to support initial component search, datasheet retrieval, sourcing checks, and engineering review.
TLP7830(D4KWJT4E - Isolated Delta-Sigma Modulator | Toshiba
The Toshiba TLP7830(D4KWJT4E is a 1-bit optically isolated second-order delta-sigma modulator that converts an analog input signal into a high-speed digital data stream. It provides galvanic isolation through optical coupling, supports digital output, and is specified in the SO8L (LF4) package. The manufacturer identifies the device for motor phase current and voltage sensing, inverter current and voltage sensing, and other isolated measurement systems. Its isolation rating is 5000 Vrms. An isolated delta-sigma modulator is a signal-conditioning semiconductor that combines analog-to-digital conversion, digital data transmission, and galvanic isolation in one package. The analog input is modulated by the optically isolated modulator and represented as a serial bitstream, allowing a host system to reconstruct the measured signal digitally. The TLP7830 is therefore positioned within the hierarchy of isolation amplifier, isolated ADC, and isolated signal-chain ICs. Key verified features include 1-bit delta-sigma operation, optical isolation, a digital output, 5000 Vrms isolation, and an SO8L (LF4) package. The 1-bit output format simplifies the interface between the isolated front end and downstream digital processing, while the isolation barrier helps protect host circuitry from high-side voltage potentials. The manufacturer specifically highlights motor phase current sensing and inverter current or voltage sensing as suitable applications. The device is intended for industrial power-conversion systems where measurement signals cross a high-voltage isolation barrier. In a motor controller or inverter, the isolated modulator can transfer an analog feedback signal to a controller without providing a direct conductive path between the measured power domain and the logic domain. Digital decoding, filtering, and calibration remain part of the downstream signal-processing chain. Typical system placements include three-phase motor drives, inverter control boards, isolated current-feedback channels, and industrial measurement equipment. Designers should evaluate the complete input, logic, timing, isolation, and filtering specifications against their system requirements before finalizing the PCB layout. The available verified data identifies the functional family and isolation rating but does not provide a complete operating-parameter table or detailed pin map for this ordering code. This product page consolidates the verified Toshiba product information, distributor listings, package identity, application positioning, and available comparison information. It also distinguishes what is explicitly verified from parameters that require confirmation in the manufacturer datasheet, avoiding unsupported electrical or timing claims.
TLP7930(D4-TP1 - 5000 Vrms Isolated Delta-Sigma Modulator
The Toshiba TLP7930(D4-TP1 is an optically isolated 1-bit, second-order sigma-delta modulator that converts an analog input into a high-speed digital data stream while providing 5000 Vrms galvanic isolation. It is a digital-output isolation amplifier in an 8-pin DIP-style surface-mount package. According to the verified distributor and manufacturer listings, the device is intended for motor phase-current sensing, inverter current sensing, and voltage sensing across isolated power-conversion systems. An isolated delta-sigma modulator is an isolation component that transfers a measured analog quantity across an electrically isolated boundary using optical coupling and digital modulation. Its output is not a conventional parallel ADC result; instead, the modulator produces a one-bit stream whose density represents the input voltage. The receiving system reconstructs or filters that stream digitally. This architecture places signal conditioning and noise rejection close to the isolated sensing circuit while avoiding a direct conductive path between the measured domain and the control domain. The TLP7930 family uses a second-order sigma-delta modulation technique and a 1-bit output, according to the verified Toshiba-related datasheet descriptions. The listed isolation rating is 5000 Vrms. The product pages classify it as an isolation amplifier or optically isolated delta-sigma modulator and identify a digital output. The exact input range, bandwidth, supply limits, propagation timing, and pin-level electrical limits were not included in the provided verified data, so those values remain marked as data needed rather than being inferred. The component is useful in inverter control, motor phase-current monitoring, isolated voltage measurement, power-factor conversion, and other systems where a high-side or floating-domain signal must reach a controller without sharing ground. The optical barrier supports galvanic separation, while the digital output can be processed by an MCU, DSP, FPGA, or dedicated sigma-delta input stage. Designers should verify the complete datasheet, recommended external components, filter requirements, timing budget, and isolation-rated PCB layout before production release. Typical implementation places the TLP7930 between a scaled sensor or shunt signal and a digital controller. The analog input is filtered according to the device guidance, while the isolated one-bit output is routed to the controller or an external digital filter. This page combines verified manufacturer and distributor facts with clearly identified missing-data markers rather than presenting unverified electrical claims as specifications.
TLV0831CD - 8-Bit 49 kSPS Differential ADC | Texas Instruments
The Texas Instruments TLV0831CD is a single-channel, 8-bit, successive-approximation analog-to-digital converter rated at 49 kSPS, with differential input capability configurable as single-ended input and serial output. It is packaged in an 8-pin SOIC and operates across the manufacturer-identified -40°C to 85°C temperature range. An ADC is a data-conversion IC that samples an analog voltage and produces a corresponding digital code. The TLV0831 belongs to the SAR ADC hierarchy, where an internal sample-and-hold circuit and successive-comparison process convert the selected input into an 8-bit result. Its differential input can support common-noise rejection when both input nodes are driven appropriately, while the configurable single-ended mode supports simpler sensor and resistor-divider circuits. The TLV0831 provides one analog input, 8-bit resolution, and a 49 kSPS conversion rate. According to the Texas Instruments product page, the device has a 3.6 V VCC description in its family positioning, ratiometric operation, VCC-reference operation, and compatibility with microprocessor interfaces. The verified distributor listing identifies the TLV0831CD specifically as an 8-bit, one-input SAR ADC in an 8-SOIC package. The serial interface can be used with standard shift registers or microprocessors, allowing the converter to share a compact bus-oriented connection rather than requiring a wide parallel data interface. The single-channel architecture is appropriate when the system needs one analog measurement point, while the configurable input arrangement allows the same converter to serve single-ended or differential signal chains. Typical uses include low-cost industrial sensing, battery-powered monitoring, simple control-loop measurement, potentiometer and resistor-divider acquisition, and embedded systems where an 8-bit measurement is sufficient. Designers should verify the exact reference voltage, input range, timing, and electrical limits from the manufacturer datasheet before finalizing signal conditioning and firmware. The principal design consideration is ensuring that the analog source impedance, reference arrangement, serial clocking, and digital return paths support an accurate conversion. Keep analog traces short, provide suitable local bypassing, and account for acquisition time in the sampling cycle. This page consolidates verified product-page, distributor, and datasheet-search information while clearly separating values that were not supplied.
TLV0831CP - 8-Bit, 49 kSPS Differential ADC | Texas Instruments
Texas Instruments TLV0831CP is an 8-bit, single-channel, successive-approximation analog-to-digital converter rated for 49 kSPS, with differential input capability configurable for single-ended operation and an 8-PDIP package. According to the verified product data, it operates from a 3.6 V maximum supply and supports input ranges from 0 V to VCC. An ADC is a data-conversion IC that transforms an analog voltage into a digital code for processing, measurement, or control. The TLV0831 belongs to the ADC/DAC category within integrated circuits, and more specifically to the low-speed, low-resolution SAR ADC segment. Its compact function is useful when a system needs modest measurement resolution, straightforward serial communication, and low-voltage operation rather than high-bandwidth or high-resolution conversion. The TLV0831 family's principal features include 8-bit resolution, 49 kSPS conversion speed, one multiplexed input channel, and configurable single-ended or differential input operation. The verified manufacturer listing identifies a serial-output interface and ratiometric or VCC-referenced operation. These features allow the converter to pair with microcontrollers or operate in a relatively simple standalone measurement arrangement. The TLV0831 uses successive-approximation conversion, in which the integrated circuit determines one output bit per comparison step. A serial interface reduces the required connection count compared with a parallel ADC and suits systems where wiring density, board area, or processor pin availability matters. Differential operation can help reject common-mode disturbances when the input source can provide paired signals, while single-ended configuration broadens its use with ordinary sensor outputs. Typical uses include battery-powered industrial sensing, temperature or position monitoring, process-control instrumentation, and low-speed data logging. The 49 kSPS rate supports continuously updated measurements while keeping the resolution and interface suited to modest embedded-control tasks. The DIP package is also useful for prototypes, educational assemblies, and through-hole production processes where a surface-mount package would be inconvenient. When designing around the TLV0831CP, verify the exact acquisition timing, input range, reference method, and digital logic levels against the manufacturer datasheet. Treat the input source impedance, sampling charge, and the time allotted for a conversion as a combined system constraint. The verified distributor listing does not provide complete timing, accuracy, and absolute-maximum ratings, so those values must be confirmed before production release rather than inferred from the product summary. This page consolidates the verified manufacturer and distributor information for the TLV0831CP, adds practical application guidance, and clearly separates known specifications from parameters that still require datasheet confirmation.
TLV0831ID - 8-Bit 49 kSPS Serial ADC | Texas Instruments
The Texas Instruments TLV0831ID is an 8-bit, 49 kSPS, single-channel successive-approximation analog-to-digital converter with serial output, differential input capability, and single-ended input configuration in an 8-pin SOIC package. Its 2.7 V to 3.6 V supply operation targets compact, low-power measurement systems that require a simple serial interface. An analog-to-digital converter is an interface IC that converts a continuously varying analog voltage into a numeric value for processing by a microcontroller, digital controller, or programmable logic. The TLV0831 belongs to the ADC/DAC category and uses a successive-approximation conversion architecture, repeatedly comparing the unknown input with a generated reference voltage until the residual falls within the converter's resolution. The device provides 8-bit resolution, one analog input channel, and a serial output that can operate independently or connect to a microprocessor. Its input accepts either a differential signal or a configurable single-ended signal. The verified product information also identifies ratiometric operation, operation with VCC as the reference, and an input range from 0 V to VCC, making the converter suitable for sensor signals scaled to the supply range. With a maximum conversion rate of 49 kSPS, the TLV0831 balances throughput and power in low-speed data acquisition. Serial communication reduces the number of signal lines required, while the SOIC-8 package supports conventional surface-mount assembly. The three-volt operating class is appropriate for battery-powered instruments, portable monitoring equipment, and embedded industrial control systems operating from a regulated 3.3 V rail. Typical uses include temperature-sensor monitoring, industrial transducer acquisition, low-rate process measurement, portable diagnostic equipment, and embedded control panels. A microcontroller can issue a conversion command, receive the serialized result, and scale the code using either VCC or an external reference arrangement. Ratiometric excitation can also reduce errors when the sensor and converter share the same supply. Designers should verify the exact pin connections, timing, input limits, reference behavior, and acquisition requirements against the manufacturer datasheet before layout. The input signal must remain within the specified input range, and software must account for conversion latency and the encoding of differential or single-ended results. This page consolidates verified manufacturer and distributor information, package details, commercial availability, application guidance, and same-brand drop-in alternatives. It also identifies specifications that require confirmation from the datasheet rather than inferring values that were not supplied.
TLV0831IP - 8-Bit 49 kSPS SAR ADC | Texas Instruments
Texas Instruments TLV0831IP is an 8-bit, 49 kSPS, single-channel successive-approximation analog-to-digital converter with serial output in an 8-pin PDIP package. The converter accepts a differential input that can be configured as a single-ended input, operates from a 2.7 V to 3.6 V supply, and is designed for microprocessor interface or standalone operation. Its 8-bit resolution suits applications that require moderate measurement precision rather than high-resolution instrumentation. An ADC is a data-conversion IC that transforms an analog voltage into a digital code. The TLV0831IP belongs to the successive-approximation ADC category, where an internal converter compares the input against a series of trial thresholds before producing a digital result. The serial interface reduces the number of signal connections required compared with a parallel ADC, making the device useful in compact embedded control and measurement systems. The main operating characteristics of the TLV0831IP include 8-bit resolution, a 49 kSPS conversion rate, one input channel, a differential input architecture configurable for single-ended use, and a 2.7 V to 3.6 V supply range. Its serial output can communicate with standard shift registers or microprocessors. The device also supports ratiometric operation or operation using the supply voltage as a reference, according to the manufacturer datasheet description. The TLV0831IP is a single-input converter, so applications requiring simultaneous sampling of multiple channels need additional circuitry or a multiplexed converter. The serial data interface also requires a suitable microcontroller, shift register, or other digital host to receive and interpret the conversion results. The device is packaged in a through-hole PDIP format, which can simplify prototyping and laboratory assembly compared with surface-mount packages. Typical uses include low-speed sensor acquisition, industrial process monitoring, battery-operated portable instrumentation, temperature and potentiometer measurement, embedded control loops, and simple data logging. In these applications, the 49 kSPS conversion rate is generally more than adequate for many slowly changing analog signals, while the 8-bit result provides 256 possible digital codes. Designers should verify the input range, reference arrangement, timing, and serial protocol against the manufacturer datasheet before layout. Because the verified web data does not provide exact pin names, pinout details, accuracy figures, input impedance, or power-consumption values, those parameters must be confirmed from the official TLV0831 documentation. The TLV0831IP is best considered for cost-conscious, low-speed conversion rather than precision or high-throughput measurement. This product page combines the verified manufacturer and distributor descriptions with practical application guidance, comparison criteria, and procurement links. It intentionally distinguishes confirmed specifications from parameters that require datasheet verification so that engineers can evaluate the converter without relying on unverified generic ADC assumptions.
TLV0832CD - 8-Bit 44.7kSPS Dual-Input ADC | Texas Instruments
The Texas Instruments TLV0832CD is an 8-bit, 44.7 kSPS successive-approximation ADC with two multiplexed analog inputs, serial output, and single-ended or differential input options in an 8-pin SOIC package. The device is designed for low-voltage 3.6 V-class systems and supports microprocessor interfacing or standalone operation. An ADC converts an analog voltage into a digital code. A successive-approximation ADC, or SAR ADC, performs conversion by comparing the input with a sequence of internally generated reference voltages. TLV0832 places this function in the hierarchy of analog-to-digital converters, data converters, signal-chain ICs, and integrated circuits. Its principal features include 8-bit resolution, 44.7 kSPS conversion throughput, two multiplexed channels, software-selectable single-ended or differential input operation, and an adjustable voltage-reference input. Ratiometric operation and operation relative to the supply voltage can suit sensors whose output tracks a measured quantity or supply rail. The serial output can communicate with shift registers or microprocessors. The TLV0832 architecture is appropriate where modest resolution is sufficient and compactness, low supply voltage, and simple serial control matter more than high-resolution conversion. Its differential mode can support common-mode rejection or shifting the analog zero-input voltage, while an adjusted reference allows a smaller analog span to use the full 8-bit code range. Typical applications include industrial control, battery-powered instrumentation, sensor interfaces, consumer equipment, embedded measurement, and low-cost data-acquisition systems. Differential input can improve measurement of small signals in noisy analog environments, provided the input and reference limits are respected. Designers should verify the exact pinout, supply range, reference behavior, acquisition timing, and input common-mode limits from the manufacturer datasheet. Decoupling should be placed close to the supply pins, and the analog source impedance must be compatible with the SAR input and sampling network. This page consolidates verified distributor specifications, manufacturer product information, replacement constraints, and practical design guidance. It also distinguishes verified drop-in choices from incomplete cross-reference results rather than presenting unverified parts as replacements.
TLV0832CP - 8-Bit 44.7kSPS Dual-Input SAR ADC | Texas Instruments
The Texas Instruments TLV0832CP is an 8-bit, 44.7 kSPS successive-approximation analog-to-digital converter with two multiplexed analog input channels, single-ended or differential input options, and serial digital output in an 8-pin PDIP package. It operates from a 3 V supply according to the verified product description. An ADC converts an analog voltage into a digital code for measurement, monitoring, or control. The TLV0832 belongs to the SAR ADC hierarchy, where an internal sample-and-hold circuit samples the input and a successive-approximation conversion cycle produces the digital result. Its multiplexed dual-channel architecture supports either one selected channel or two inputs sharing one converter, helping reduce board area when both signals share a measurement system. Key verified features include 8-bit resolution, a conversion rate of 44.7 kSPS, two input channels, a serial interface, and operation at 3 V. The device can operate with a microprocessor interface or standalone operation, and it supports ratiometric operation or use of the supply reference. These characteristics make it suitable for compact embedded measurement systems where moderate resolution and rapid sampling are more important than high-resolution conversion. The TLV0832 uses a serial-control interface rather than a parallel data bus, reducing the number of signal connections required from the converter to the host processor. Its multiplexed inputs allow the same physical converter to monitor multiple analog sources, but channel selection and acquisition timing must be coordinated by the controller. The single-ended or differential option helps determine which input configuration and source impedance are appropriate for the measured signal. Typical uses include industrial sensor interfaces, battery and power monitoring, consumer control panels, low-resolution measurement systems, and embedded diagnostic equipment. The serial output and small PDIP package are useful when the PCB has limited routing space and the host already supports a suitable serial interface. For systems needing more precision, resolution, input count, or conversion throughput, a different ADC should be selected instead. The main design consideration is matching the analog input range and reference method to the application. Ratiometric operation is useful when the sensor and converter share a supply, while supply-referenced operation may be preferable when the measurement should track a defined voltage range. Confirm the complete pinout, timing, input limits, and electrical characteristics in the Texas Instruments datasheet before layout and firmware integration. This page consolidates verified manufacturer and distributor information for the TLV0832CP, including package and function details, practical application guidance, commercial search intent, and a structured comparison framework. It does not infer unreported electrical limits or present unverified substitute parts as drop-in replacements.
TLV0832ID - 8-Bit 44.7 kSPS Dual-Input ADC | Texas Instruments
The Texas Instruments TLV0832ID is an 8-bit successive-approximation analog-to-digital converter with a 44.7 kSPS conversion rate, one analog input, and two multiplexed input options in an 8-pin SOIC package. The device supports single-ended or differential input configurations and uses serial communication for connection to a controller. According to the Texas Instruments product page, it is designed for low-power, compact data-acquisition systems. An ADC converts a continuously varying analog voltage into a digital numerical value. The TLV0832 is a successive-approximation, or SAR, ADC, which samples an input and performs successive conversion steps to produce an 8-bit code. It can operate with a microprocessor interface or as a standalone converter, making it suitable for embedded measurement systems, sensor interfaces, industrial controls, and low-voltage equipment. Its multiplexed twin-channel architecture provides a single physical input and selectable input paths. Key features include 8-bit resolution, a 44.7 kSPS sampling rate, serial output, one analog input, and single-ended or differential input options. The verified product description also identifies a 3 V-class supply-oriented design and an input range from VSS to VCC when operating ratiometrically or with the supply reference. The 8-pin SOIC package supports conventional surface-mount assembly and compact PCB layouts. The serial interface helps reduce analog wiring and allows the converter to be located near a sensor, where long analog traces would be undesirable. The multiplexed input structure can support differential sensing when suitable input multiplexing and reference arrangements are available. Designers should confirm the exact pin functions, timing, electrical limits, and application configuration in the manufacturer datasheet before finalizing a PCB or firmware design. Typical applications include low-speed sensor measurement, temperature or potentiometer interfaces, battery monitoring, industrial instrumentation, and microcontroller-based control boards. Its 44.7 kSPS rate is suitable for slowly changing or control-oriented signals rather than high-bandwidth waveform acquisition. The 8-bit resolution is appropriate for coarse quantization, system monitoring, and cost-conscious embedded designs. A key design consideration is matching the ADC input voltage, reference arrangement, source impedance, and serial-clock timing to the controller. Keep analog routing short and use the manufacturer-recommended decoupling and input-conditioning network. This page combines verified distributor and manufacturer information with application guidance, comparison fields, and practical design notes.
TLV0832IP - 8-Bit 44.7 kSPS Serial ADC | Texas Instruments
The Texas Instruments TLV0832IP is an 8-bit successive-approximation analog-to-digital converter with two multiplexed single-ended or differential inputs, a 44.7 kSPS conversion rate, and serial output in an 8-pin PDIP package. It operates from a 3 V nominal supply and accepts input signals from VSS to VCC, supporting ratiometric operation or conversion relative to the supply voltage. An ADC is a data-conversion IC that transforms an analog voltage into a digital code for processing by a microcontroller, comparator, display, or control system. The TLV0832 belongs to the successive-approximation ADC family, whose internal sampling architecture is appropriate for relatively compact, cost-conscious converters that do not require continuous conversion while an input is being measured. The TLV0832IP provides 8-bit resolution, two analog input pins that can be selected through the serial interface, and a conversion throughput of 44.7 kSPS. Its serial interface supports easy microprocessor interfacing or standalone operation. The input range extends from VSS to VCC, while ratiometric operation allows the converter reference to track the supply when the sensor and ADC share the same reference. The device uses a successive-approximation conversion process. During each conversion, the internal converter compares the sampled input against a generated reference to determine successive bits of the 8-bit result. Serial control reduces the number of interface pins, leaving the package primarily for power, analog input, and serial communication functions. Typical uses include industrial sensor acquisition, temperature measurement, battery monitoring, potentiometer and divider readings, and low-cost embedded data logging. For battery-powered systems, the 3 V supply operation and ratiometric measurement can simplify analog front-end design, although application-specific current consumption must be verified from the manufacturer datasheet. When using the TLV0832IP, connect unused analog inputs appropriately, preserve the required supply and reference arrangement, and account for acquisition time when multiplexed channels are switched. The serial interface timing and command definitions should be taken directly from the manufacturer datasheet rather than inferred from generic ADC conventions. This page consolidates the verified manufacturer and distributor information for TLV0832IP and provides practical engineering guidance for design decisions. It also distinguishes verified production data from parameters that still require confirmation from the manufacturer datasheet, avoiding unsupported electrical or lifecycle assumptions.
TLV0834 - 8-Bit 41 kSPS 4-Ch SAR ADC | Texas Instruments
The Texas Instruments TLV0834 is a low-power, 8-bit successive-approximation register (SAR) analog-to-digital converter with a software-configurable 4-channel input multiplexer supporting single-ended, differential, and pseudodifferential input assignments. It operates from a 2.7V to 3.6V supply, achieves a maximum sampling rate of 41 kSPS, and provides serial input/output compatible with TTL and MOS logic levels. Packages include 16-pin TSSOP (PW) and 16-pin SOIC (D). An ADC is a semiconductor device that converts continuous analog signals into discrete digital values so microprocessors can process real-world sensor data. The TLV0834 belongs to the SAR ADC family, which balances speed, resolution, and power for medium-speed data acquisition, within the broader hierarchy of data converter ICs and mixed-signal semiconductors. Key features include 8-bit resolution with no missing codes, 41 kSPS maximum throughput, a 2/3/4-channel multiplexer with software address logic, and differential input capability that enables common-mode rejection or offset of the analog zero point. The device operates ratiometrically or with a VCC reference, simplifying reference design in low-voltage systems. Architecturally, the TLV0834 uses a sample-data comparator performing successive approximation on the selected differential input pair. The serial interface minimizes pin count and supports easy microprocessor interface or stand-alone operation. The analog input range spans from ground (0 V) to VCC when using the VCC reference, covering the full supply span without external scaling in many designs. Typical applications include portable and battery-powered instrumentation, multi-channel industrial data acquisition, and remote sensor monitoring. Low supply voltage and serial output make it compatible with modern microcontrollers and DSPs such as the TI MSP430 family. Design consideration: never let analog inputs exceed VCC, and decouple the supply with a 0.1uF ceramic capacitor close to the pin for stable conversions. Prices referenced are as of 2026-08-29.
TLV0834CD - 8-Bit 41kSPS 4-Channel ADC | Texas Instruments
The Texas Instruments TLV0834CD is an 8-bit, 41 kSPS successive-approximation analog-to-digital converter with a four-channel input multiplexer and serial input/output in a 14-pin SOIC package. According to the verified distributor and manufacturer listings, it supports ratiometric operation or operation from the VCC reference, and its inputs and outputs are compatible with TTL and MOS logic. One key benefit is flexible channel selection: the verified DigiKey listing describes 2, 3, or 4 input configurations, while the family description identifies four channels. An ADC converts an analog voltage into a digital code for measurement, control, sensing, or display systems. A successive-approximation ADC is a sampling ADC category that compares the unknown input with a generated reference through successive decision steps. The TLV0834 belongs to the broader data-acquisition and mixed-signal semiconductor hierarchy. Its low 8-bit resolution and 41 kSPS rate suit compact systems that monitor slowly changing sensor signals rather than high-bandwidth waveform acquisition. The TLV0834CD supports an input range from ground to VCC when the VCC reference is used. Its serial interface can communicate with standard shift registers or microprocessors, and the verified product information explicitly identifies TTL/MOS-compatible input and output levels. This makes the converter useful in embedded designs that need only eight bits of measurement resolution but require inexpensive external control rather than a parallel data bus. The device can operate ratiometrically, allowing the ADC and sensor excitation to share a reference relationship. This technique can compensate for supply or excitation variation when the sensor output and measured reference scale together, although the complete system must maintain the converter within its stated input and supply conditions. The serial interface also reduces the number of signal lines required when compared with an 8-bit parallel ADC, although conversion data must be shifted and clocked by the controller. Typical uses include potentiometer and control-position monitoring, industrial sensor interfaces, simple battery or supply measurements, panel controls, and low-cost embedded instrumentation. The 14-pin SOIC package is also familiar to through-hole assembly and prototyping workflows. Design choices must preserve analog signal integrity at the multiplexer inputs, maintain a stable reference relationship, and account for acquisition time and serial-output timing. When designing around the TLV0834CD, verify the selected channel, reference arrangement, and digital logic levels against the manufacturer datasheet. Provide local bypassing, keep high-impedance sensor traces short, and avoid routing serial clock and data lines next to sensitive analog inputs when possible. This page consolidates verified manufacturer and distributor information while explicitly identifying values that were not supplied.
TLV0834CN - 8-Bit 41 kSPS 4-Channel ADC | Texas Instruments
Texas Instruments TLV0834CN is an 8-bit, 41 kSPS, 4-channel successive-approximation analog-to-digital converter with serial output, supplied in a 14-pin PDIP package. The converter supports an analog input range from V to VCC, can operate ratiometrically or with VCC as the reference, and includes TTL/MOS-compatible input and output stages. Its 3 V supply operation and serial interface make it suitable for embedded measurement systems requiring four multiplexed input channels. An ADC is a data-acquisition IC that converts an analog voltage into a numeric value for processing, storage, or control. The TLV0834CN belongs to the successive-approximation ADC family within analog-to-digital converters, data-converter ICs, and semiconductor signal-processing devices. Its multiplexer permits one ADC core to sample several analog inputs sequentially, reducing component count when multiple sensors or potentiometers must be measured. Key features include 8-bit resolution, a maximum conversion rate of 41 kSPS, four analog input channels, and serial digital output. The input range extends from V to VCC, while operation can be ratiometric or referenced to VCC. The integrated input amplifier supports TTL/MOS-compatible interfacing, and the output stage is designed for convenient connection to microprocessor and embedded-control systems. The device uses a successive-approximation conversion architecture. During each conversion, the internal comparator and successive-approximation register progressively determine the input voltage and produce an 8-bit code. The four channels are selected through address logic, allowing a controller to configure the analog multiplexer, initiate a conversion, and read the result through the serial interface. Typical uses include industrial sensor monitoring, instrumentation, data acquisition, embedded control, and low-speed measurement systems. The device can evaluate temperature, position, pressure, light, or resistive sensor outputs when their signal levels remain within the V-to-VCC input range. It is also appropriate for control loops requiring moderate sampling rates rather than high-speed waveform capture. A key design consideration is the relationship between VCC, the reference configuration, and the analog input range. Designers must keep all sampled voltages within the specified input range, allow sufficient acquisition time for the source impedance, and select interface timing that satisfies the serial-output requirements. Because no verified pinout or timing table was supplied in the source data, this page does not infer individual pin assignments. This page combines verified distributor specifications and pricing with practical application guidance, comparison parameters, design notes, and same-family replacement analysis. Those additions help engineers evaluate the TLV0834CN as an embedded, low-speed, multiplexed measurement converter without implying unverified electrical details.