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ADC12041CIMSAX - 12-Bit+Sign 216kHz 8-Ch SAR ADC | Texas Instruments
ADC12041CIMSAX

ADC12041CIMSAX - 12-Bit+Sign 216kHz 8-Ch SAR ADC | Texas Instruments

The Texas Instruments ADC12041CIMSAX is a 12-bit plus sign, 216 kHz sampling, 8-channel input, self-calibrating successive-approximation analog-to-digital converter (SAR ADC) housed in a 28-pin SSOP package. It operates from a single +5V analog supply (VA+ = VD+ = 5V), supports a reference range up to 4.096V (VREF+) and 0V (VREF-), and uses a parallel digital interface for high-throughput data transfer. The eight input channels feed a fully differential analog multiplexer, enabling flexible multi-channel data acquisition on a single mixed-signal IC. A SAR ADC is a type of analog-to-digital converter that uses a binary-search successive-approximation algorithm against an internal capacitive DAC to digitize each input sample in N clock cycles (where N is the resolution in bits). The 12-bit+sign architecture extends the dynamic range to 13 bits total, allowing bipolar signal measurement with a single-ended or differential input and a fixed common-mode voltage (e.g. 2.048V at VREF+ = 4.096V). Self-calibration routines correct internal capacitor mismatch at power-up and on demand, holding DC linearity tight across temperature. Key features include a maximum sampling rate of 216 kHz, a 12-bit + sign output word (13 bits of resolution), eight input channels through a fully differential MUX, an fCLK of up to 12.0 MHz external clock, on-chip self-calibration, and a single +5V supply operation. The self-calibration routine and differential MUX architecture eliminate most external front-end analog conditioning, allowing the part to drop into compact data-acquisition front ends. The ADC12041 uses a charge-redistribution SAR core with a built-in calibration register that trims zero-scale and full-scale errors. The device accepts either unipolar (0 to VREF) or bipolar (-VREF to +VREF) input ranges when configured in the appropriate mode, and the +sign bit is appended to the 12-bit two's complement output word, simplifying downstream signal processing for both AC and DC measurements. Typical applications include multi-channel industrial process control, portable instrumentation and data loggers, medical patient monitoring front ends, automotive sensor multiplexing, factory automation I/O modules, and any high-accuracy multi-channel measurement system that needs a parallel digital interface to a host microcontroller or DSP. When designing with this part, place the 0.1 uF supply bypass capacitors as close as possible to VA+ and VD+ and keep VREF trace impedance low (RS <= 1 ohm) to preserve linearity. The internal calibration sequence requires a stable clock and reference at startup; allow at least 1 ms of settling after power-up before initiating the first conversion. This page synthesizes distributor pricing, drop-in same-package alternatives, and practical PCB-level design guidance that complements the National Semiconductor / TI datasheet.

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ADC12048CIVF/NOPB - 12-Bit+Sign 216kHz 8-Ch SAR ADC | TI
ADC12048CIVF/NOPB

ADC12048CIVF/NOPB - 12-Bit+Sign 216kHz 8-Ch SAR ADC | TI

The Texas Instruments ADC12048CIVF/NOPB is a 12-bit plus sign, 216 kHz, 8-channel, self-calibrating successive-approximation-register (SAR) analog-to-digital converter (ADC) housed in a 44-pin PQFP (10x10 mm) package. The part operates from a single 5 V analog supply and a separate 5 V digital supply, samples up to eight fully differential analog inputs through an internal multiplexer, and outputs conversion data through a 12-bit + sign parallel interface. The /NOPB suffix indicates the lead-free, matte-tin finish that meets RoHS requirements. The device is offered in the industrial temperature range of -40C to +85C, making it suitable for commercial and industrial process-control and instrumentation applications. A SAR ADC (Successive-Approximation-Register analog-to-digital converter) is a class of Nyquist-rate data converter that uses a binary-search algorithm to digitize an analog input in N clock cycles, where N is the resolution. SAR ADCs are valued for their deterministic latency, low power consumption, and excellent DC accuracy with no pipeline delay, which makes them the architecture of choice for multiplexed multi-channel data-acquisition systems, motor control feedback, and instrumentation front ends. The ADC12048 belongs to the broader hierarchy of analog-to-digital converters (ADCs) -> data converters -> signal-chain ICs -> mixed-signal semiconductors. Key features include 12-bit + sign resolution (effectively 13-bit dynamic range), an 8-input analog multiplexer (configurable as 4 differential or 8 single-ended channels), self-calibration for offset and gain, a track-and-hold front end, and a sampling throughput of up to 216 kilosamples per second (kSPS). The wide dynamic range and differential input capability make the ADC well-suited to digitizing small transducer signals in noisy industrial environments without external instrumentation amplifiers. Parallel output simplifies the digital interface and removes SPI/I2C timing overhead at the cost of wider board routing. The architecture combines a capacitive charge-redistribution DAC with the SAR logic and an on-chip track-and-hold amplifier, and it provides self-calibration and user-initiated calibration modes to maintain specified accuracy across temperature. The internal MUX and reference input structure together with the parallel output interface allow the part to serve as a complete data-acquisition front end in a single 44-pin surface-mount IC, replacing multi-chip discrete solutions and reducing board space. Typical applications include industrial process control, multi-channel data-acquisition systems, motor control position and current feedback, patient monitoring instrumentation, and battery-cell monitoring in UPS and telecom systems. Specific scenarios include PLC analog input modules, multi-axis servo drives, and remote sensor hubs requiring 8 simultaneous analog channels at moderate throughput. When designing with this part, ensure that the analog and digital supplies are properly decoupled and that the analog input common-mode voltage is within the specified range; note that the reference voltage determines full-scale accuracy and must be stable to realize the device's rated performance. Use the self-calibration mode at power-up and after any significant temperature change. This page synthesizes distributor pricing, drop-in compatible alternatives, and practical design notes that go beyond a single datasheet summary to help you select and source the ADC12048CIVF/NOPB with confidence.

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ADC1207S080HW/C1 - 12-bit 80MSPS ADC | NXP HTQFP-48
ADC1207S080HW/C1

ADC1207S080HW/C1 - 12-bit 80MSPS ADC | NXP HTQFP-48

The NXP ADC1207S080HW/C1 is a single-channel, 12-bit resolution analog-to-digital converter (ADC) optimized for direct IF sampling in ultra-high-IF radio transceiver architectures, sampling up to 80 MSPS with parallel CMOS-compatible digital output. It integrates a high-bandwidth differential track-and-hold front end, on-chip reference, and a parallel LVCMOS/CMOS output bus in a 48-pin HTQFP (7x7 mm) exposed-pad package suitable for surface-mount industrial designs. An ADC (analog-to-digital converter) is a mixed-signal integrated circuit that converts continuous-time analog voltages into discrete digital codes at a specified sampling rate. Single-channel pipelined ADCs sit within the hierarchy of data converters -> mixed-signal ICs -> signal chain ICs -> semiconductors, and serve as the analog front-end bridge between RF/IF analog sections and downstream digital signal processing (DSP) blocks. ADC1207S080HW/C1's 12-bit/80 MSPS positioning targets intermediate-frequency (IF) sampling where the analog input has already been mixed down from RF but still occupies tens of MHz of bandwidth, eliminating the need for an additional down-conversion stage. Key features include a 12-bit resolution, 80 MSPS maximum sampling rate, single 1.4 Vpp differential or 1.4 Vpp single-ended analog input range, integrated bandgap reference, low-latency parallel digital interface, and an extended industrial operating temperature range of -40C to +85C. The HTQFP-48 (7x7) exposed-pad package provides low thermal resistance and supports both reflow soldering and standard PCB assembly, with the exposed pad providing both thermal dissipation and a low-impedance ground return for the analog front end. The ADC1207S080HW/C1 architecture uses a multi-stage pipelined core with digital error correction, sample-and-hold input, and an internal reference with optional external override. The wide input bandwidth supports direct sampling of IF signals well above the Nyquist limit (IF undersampling), reducing system BOM cost by eliminating mixer stages. Output coding is straight binary with a separate output enable pin for bus-sharing among multiple ADCs on the same parallel bus. Typical applications include software-defined radio (SDR) receiver IF digitizers, broadband cable infrastructure downstream receivers, radar and electronic-warfare intermediate-frequency stages, medical imaging signal chains, and high-speed industrial instrumentation such as oscilloscopes and spectrum analyzers. Designers select the ADC1207S080HW/C1 when the input is already in the tens-of-MHz range and the downstream DSP or FPGA requires 12-bit native resolution at sample rates up to 80 MSPS. When designing with this ADC, prioritize clock jitter performance: the SNR at 80 MSPS is sensitive to broadband aperture-jitter, so use a low-phase-noise clock source (e.g., a dedicated clock generator with sub-ps RMS jitter) and keep the clock trace short and impedance-controlled. Bypass the analog supply pins with 100 nF ceramic capacitors placed within 2 mm of each pin, and tie the exposed pad to a clean analog ground island. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet, with pricing and lifecycle data refreshed as of 2026-10-12.

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ADC1207S080HW/C1:1 - 12-Bit 80 MSPS ADC, Parallel IF-Sampling | NXP
ADC1207S080HW/C1:1

ADC1207S080HW/C1:1 - 12-Bit 80 MSPS ADC, Parallel IF-Sampling | NXP

The NXP ADC1207S080HW/C1:1 is a single-channel, 12-bit analog-to-digital converter (ADC) optimized for direct intermediate-frequency (IF) sampling, supporting up to 80 MSPS conversion rates. Housed in a 48-pin HTQFP (7 mm × 7 mm) package with an exposed thermal pad, this ADC delivers high dynamic performance in demanding wireless-infrastructure, optical-networking, and fixed-telecom receiver chains. The C1:1 suffix denotes the tape-and-reel (TR) packaging option from NXP USA Inc., shipped as the production variant per the official DigiKey catalog listing. An ADC is a mixed-signal integrated circuit that converts continuous analog voltage into discrete digital codes at a rate set by its sampling clock. High-IF ADCs such as the ADC1207S080 family are engineered for direct RF/IF digitization, eliminating one or more down-conversion mixer stages by undersampling broadband IF signals. They sit in the signal-processing hierarchy between the front-end analog filter and the digital baseband processor, making their spurious-free dynamic range (SFDR) and signal-to-noise ratio (SNR) decisive for receiver sensitivity in cellular base stations and software-defined radio platforms. Key differentiating specifications of the ADC1207S080HW/C1:1 include a 12-bit resolution with 80 MSPS maximum sample rate, LVCMOS-compatible digital outputs, and a programmable Complete Conversion Signal (CCS) feature that allows fine-grained adjustment of the acquisition-clock edge for clean signal alignment in the stable data window. The DEL0 and DEL1 logic inputs shift the CCS edge to avoid metastable boundaries, a critical capability in multi-board synchronous systems such as GSM, LTE, and WCDMA base-station receivers where exact timing skew between parallel data lanes is mandatory. Architecturally, the converter is a single-core pipelined design supplied by a single 3.0 V–3.6 V analog supply and 1.4 V–3.6 V digital supply (per NXP datasheet family), with parallel CMOS outputs and a 48-lead HTQFP exposed-pad package that provides low thermal resistance. Internal calibration tracks gain and offset drift, sustaining ENOB across the full -40 °C to +85 °C industrial temperature range. The part is manufactured by NXP USA Inc. (formerly Freescale/IDT) using a standard CMOS process. Typical applications include cellular-infrastructure IF sampling, optical-networking transponder digitizers, fixed-telecom line cards, broadband software-defined radio front ends, instrumentation IF digitizers, and medical-ultrasound beamformer ADCs. In each of these use cases, the 80 MSPS/12-bit combination delivers the SFDR and SNR required for high-IF direct-sampling architectures. When designing with this part, pay careful attention to PCB layout of the analog and digital supplies; the exposed pad must be soldered to a continuous ground plane for both thermal dissipation and noise isolation. The CCS delay settings (DEL0/DEL1) must be tuned per board to avoid data-valid-window violations. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet, giving buyers and design engineers a single source of truth for sourcing, second-sourcing, and PCB-level integration decisions.

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ADC1207S080HW/C1:5 - 12-Bit 80MSPS Single-Channel ADC | NXP
ADC1207S080HW/C1:5

ADC1207S080HW/C1:5 - 12-Bit 80MSPS Single-Channel ADC | NXP

The NXP ADC1207S080HW/C1:5 is a 12-bit, 80 MSPS single-channel analog-to-digital converter optimized for direct IF sampling in ultra-high-IF radio transceivers, housed in a 48-pin HTQFP (7x7 mm) exposed-pad package. It delivers 80 megasamples per second through a parallel CMOS-compatible data interface, supports a single analog input, and operates from 5V analog and digital supplies. The part is specified for the industrial -40C to +85C temperature range and ships in tray packaging. An ADC (Analog-to-Digital Converter) is a mixed-signal data-conversion IC that quantizes continuous analog voltages into discrete digital codes, sitting between sensors/antennas and downstream DSP or FPGA blocks in the signal chain hierarchy: ADC -> data converter -> mixed-signal IC -> semiconductor. Pipeline ADCs like the ADC1207S080HW/C1:5 specifically use a switched-capacitor architecture to achieve tens-to-hundreds of MSPS with low latency, making them the workhorse for IF sampling in communications infrastructure. Key features include 12-bit native resolution, 80 MSPS maximum sampling rate, internal reference voltage, single-ended analog input, and parallel CMOS data interface. The 48-HTQFP exposed-pad package provides low thermal resistance and a small PCB footprint. Two logic inputs, DEL0 and DEL1, allow the user to trim the edge position of the clock-duty-cycle-stabilized (CCS) output signal to place it inside the stable data-eye window. The architecture uses a multi-bit-per-stage switched-capacitor pipeline with on-chip sample-and-hold, internal bandgap reference, and digital error correction. The integrated clock-duty-cycle stabilizer relaxes PCB-level clock-routing constraints, while the parallel interface removes the need for a deserialization FPGA block in low-channel-count systems. The exposed thermal pad allows the die to dissipate heat efficiently when sampling wide-bandwidth IF signals. Typical applications include direct-IF sampling for software-defined radio receivers, LTE/3G/4G base-station receivers, radar and electronic-warfare front ends, medical ultrasound beamformers, and high-speed instrumentation digitizers. The 80 MSPS rate is well-matched to second-IF or near-baseband demodulation in zero-IF or low-IF receivers where the ADC directly digitizes a tens-of-MHz IF. When designing with this part, keep analog and digital ground planes separate and join them only at the exposed pad; use short-form-current-mode clock-runner traces and a clean low-jitter clock to preserve SNR. Drive the analog input through a properly bandwidth-limited differential driver (or single-ended buffer) and follow the datasheet's decoupling network exactly to avoid degrading ENOB. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone.

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ADC1210S065HN/C1 - 12-bit 65 MSPS ADC, LVDS/CMOS, HVQFN-40 | Renesas
ADC1210S065HN/C1

ADC1210S065HN/C1 - 12-bit 65 MSPS ADC, LVDS/CMOS, HVQFN-40 | Renesas

The Renesas (formerly NXP/IDT) ADC1210S065HN/C1 is a single-channel 12-bit pipelined Analog-to-Digital Converter (ADC) that samples at 65 MSPS and supports both CMOS and LVDS DDR digital outputs, housed in a 40-pin HVQFN (6 x 6 mm, 0.85 mm height, SOT618-1) package. The -C1 ordering suffix denotes a specific tape-and-reel/reel-pack quantity option from the same silicon. Industrial temperature grade parts use the /C1 :5 tray/reel suffix convention. According to the manufacturer datasheet, this ADC is part of the ADC1210S family which spans 65, 80, 105, and 125 MSPS speed grades, all pin-compatible so designers can re-validate a single PCB across a wide performance range. An ADC (Analog-to-Digital Converter) is a data acquisition integrated circuit that converts continuous analog input signals into discrete digital codes at a defined sampling rate, sitting at the boundary between the analog front end and the digital signal chain within a data acquisition system. Pipelined ADCs like the ADC1210S use multiple low-resolution flash stages to deliver high sample rates (tens to hundreds of MSPS) at moderate resolution (8-14 bits), making them the workhorse of communications, imaging, and test-and-measurement equipment where bandwidth, not absolute DC linearity, is the primary requirement. The ADC1210S065HN/C1 features 12-bit resolution, a 65 MSPS maximum sampling rate, selectable CMOS or LVDS DDR output modes, and an internal reference, reducing the bill of materials for typical system designs. The HVQFN-40 package provides an exposed thermal pad for low thermal resistance, which is critical for industrial-grade continuous sampling. Operating from a single 1.8 V analog supply and a separate 1.8 V or 3.3 V digital output supply, the device simplifies multi-rail system design. The 12-bit linearity and SNR are tuned for IF-sampling and high-speed instrumentation use cases. Typical applications include communications IF/baseband digitization, industrial imaging and machine vision, ultrasound receive-channel front ends, portable oscilloscopes and digitizers, and software-defined radio. When designing with this device, place the analog input network (transformer or differential driver) within 5 mm of the input pins and provide a solid ground pour stitched with vias around the exposed pad to keep the SNR within datasheet limits. Match LVDS output trace lengths (within 5 mil) for the DDR clock and data pairs to preserve timing margins.

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ADC1210S105HN/C1:5 - 12-Bit 105 Msps ADC, CMOS/LVDS DDR | NXP
ADC1210S105HN/C1:5

ADC1210S105HN/C1:5 - 12-Bit 105 Msps ADC, CMOS/LVDS DDR | NXP

The NXP ADC1210S105HN/C1:5 is a single-channel 12-bit pipelined analog-to-digital converter sampling up to 105 Msps with selectable CMOS or LVDS DDR digital outputs, packaged in a 40-pin HVQFN (6x6 mm, 0.85 mm height) with exposed thermal pad. It accepts one analog input, integrates on-chip reference and clock duty-cycle stabilizer, and operates across an industrial -40C to +85C temperature range. A pipelined analog-to-digital converter (ADC) is a high-speed Nyquist-rate data converter that resolves an analog input into a digital code through multiple cascaded low-resolution stages, each driving a residue amplifier into the next stage. In the broader signal-chain hierarchy, ADCs sit between the analog front-end (amplifiers, filters, drivers) and the digital back-end (FPGA, ASIC, microcontroller), where they convert real-world signals such as IF, video, imaging, or industrial sensor outputs into binary words for processing. Pipelined ADCs dominate the 40-250 Msps performance window because they combine high sampling rate with moderate resolution (10-14 bits) at low power per conversion. Key features of the ADC1210S105HN/C1:5 include a 105 Msps maximum sample rate, 12-bit resolution, single analog input channel, a choice of parallel CMOS or LVDS DDR digital interfaces, internal bandgap reference with optional external reference override, and a clock duty-cycle stabilizer that tolerates non-50% input clock duty cycles. The 6x6 mm HVQFN-40 footprint preserves board area while the exposed pad keeps junction temperature low at full conversion rate. The device is part of a broader speed-grades family spanning 65, 80, 105, and 125 Msps from the same silicon. Typical applications include IF/baseband digitization in wireless infrastructure, medical imaging front-ends (ultrasound beamformers), industrial test and measurement digitizers, defense signal-intelligence receivers, and high-speed data acquisition systems for instrumentation. In each case the ADC1210S105HN/C1:5 occupies the boundary between analog signal conditioning and digital signal processing. When designing the analog input network, drive the AIN pin with a low-impedance differential or single-ended amplifier and provide proper anti-alias filtering before the sampler. Decouple AVDD and DVDD rails close to the package and tie the exposed pad to a clean analog ground plane to manage thermal dissipation at full 105 Msps. This page synthesizes distributor pricing, drop-in compatible 65/80/125 Msps speed-grade alternatives, and practical PCB layout guidance not found in the bare manufacturer datasheet.

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ADC1210S125HN/C1:5 - 12-bit 125MSPS ADC | NXP
ADC1210S125HN/C1:5

ADC1210S125HN/C1:5 - 12-bit 125MSPS ADC | NXP

The NXP ADC1210S125HN/C1:5 is a single-channel 12-bit pipelined Analog-to-Digital Converter sampling at 125 MSPS with selectable CMOS or LVDS DDR digital outputs, housed in a 40-pin HVQFN (6x6 mm) package. It supports a 1.4 V internal reference (or external reference option), differential or single-ended analog inputs, and an operating temperature range of -40C to +85C. The architecture combines a high-bandwidth track-and-hold front end with multi-stage pipelined quantization and on-chip digital error correction, achieving spurious-free dynamic range and signal-to-noise figures typical of mid-speed 12-bit converters. An Analog-to-Digital Converter (ADC) is a mixed-signal data-acquisition component that translates continuous analog voltages into discrete digital codes for processing by FPGAs, DSPs, microcontrollers, or ASICs. Within the broader product hierarchy, the ADC1210S125HN/C1:5 is a high-speed pipelined ADC, a sub-category of Nyquist-rate data converters used in communications, imaging, and instrumentation. The pipelined topology balances conversion speed and power efficiency by partitioning conversion across cascaded low-resolution stages, with the trade-off of a fixed number of clock-cycle latency that simplifies digital host synchronization. Key features include user-selectable 65, 80, 105, or 125 MSPS operation, flexible CMOS/LVDS DDR output modes for FPGA/ASIC interface compatibility, internal bandgap reference with external override, and built-in input common-mode adjustment for transformer-coupled or single-ended drive. The 40-HVQFN package with exposed pad (SOT618-1 / MO-220) gives thermal resistance low enough to handle typical dissipation without external heatsinking. Typical applications are high-density medical imaging front ends, cable DOCSIS edge digitizers, wireless IF baseband receivers, and radar/sonar pre-processing channels. The pipelined latency and DDR outputs are well-suited to FPGA-based digital downconversion. When designing with this part, route analog inputs as 50 ohm differential microstrip with controlled impedance, place the decoupling capacitors within 2 mm of the supply pins, and follow the datasheet layout guidance for the exposed pad (EP) thermal connection to a continuous ground plane.

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ADC1212D125HN-C1 - Dual 12-bit 125MSPS ADC, LVDS/CMOS | Renesas
ADC1212D125HN-C1

ADC1212D125HN-C1 - Dual 12-bit 125MSPS ADC, LVDS/CMOS | Renesas

The Renesas ADC1212D125HN-C1 is a dual-channel 12-bit pipelined analog-to-digital converter (ADC) optimized for high dynamic performance and low power consumption at sample rates up to 125 Msps. It is housed in a 64-pin HVQFN (9 x 9 mm, 0.85 mm height, SOT804-3) package and supports both CMOS and LVDS DDR digital output interfaces for flexible system integration. A pipelined ADC is a type of analog-to-digital converter that uses a cascaded chain of low-resolution flash stages to digitize analog signals at high sampling rates. The pipelined architecture occupies the middle ground between low-speed successive-approximation (SAR) ADCs and very-high-speed flash ADCs, making it the workhorse for communications, imaging, and test-and-measurement applications. Dual-channel pipelined ADCs like the ADC1212D125HN-C1 further integrate two converter cores on one die, allowing simultaneous sampling of two signals (typical in I/Q baseband, diversity receivers, or multi-antenna systems) while sharing reference, clock, and digital interface circuitry. Key features include 125 Msps maximum conversion speed, 12-bit resolution across two channels, and selectable CMOS or LVDS DDR output modes. The device operates from a 1.8V analog supply and 3.3V digital supply, with a wide input common-mode range suited to AC-coupled or DC-coupled front ends. Built-in features such as a programmable gain amplifier, internal reference, and flexible clock input simplify board-level design. The architecture uses a multi-stage pipeline with proprietary error-correction logic to maintain linearity and spurious-free dynamic range (SFDR) performance. The dual digital-output paths can be configured as two independent CMOS ports or a single LVDS DDR pair, giving system designers a choice between low-EMI board routing (LVDS) and direct connection to legacy logic (CMOS). Typical applications include wireless base-station receivers, radar and lidar signal chains, medical imaging front ends, communications test equipment, and high-speed data acquisition systems. The wide bandwidth of the analog input and the dual-core integration make it suitable for I/Q demodulation in software-defined radio (SDR) platforms. When designing with this device, ensure the analog and digital grounds are partitioned carefully and that the input is driven by a low-impedance differential amplifier to fully realize the SFDR. Decoupling must follow manufacturer recommendations with close-proximity 100nF + 10uF combinations on each supply pin. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone, helping engineers select and source the ADC1212D125HN-C1 with confidence for high-speed signal-chain designs.

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ADC12130CIN/NOPB - 12-bit+Sign SAR ADC w/MUX | TI
ADC12130CIN/NOPB

ADC12130CIN/NOPB - 12-bit+Sign SAR ADC w/MUX | TI

The Texas Instruments ADC12130CIN/NOPB is a self-calibrating 12-bit-plus-sign successive-approximation analog-to-digital converter (SAR ADC) with a built-in 2-channel analog multiplexer and sample/hold, presented in a 16-pin PDIP (N) through-hole package. It provides single +5V supply operation, a serial I/O interface, and 1 LSb maximum differential nonlinearity, making it suitable for industrial-grade precision data acquisition applications. An SAR ADC is a type of analog-to-digital converter that uses a binary search algorithm implemented with a capacitive charge-redistribution DAC to digitize an analog input one bit per clock cycle. Each conversion takes a fixed number of clock cycles - in this case typically 13 to 14 clocks - giving SAR ADCs deterministic latency that is desirable in multiplexed control loops. The on-chip multiplexer allows two single-ended or one pseudo-differential input to be selected without external analog switches, while the sample-and-hold captures the input voltage at the start of conversion and holds it steady throughout the successive-approximation cycle. As a precision data converter IC, the ADC12130CIN/NOPB sits in the broader hierarchy of: ADC -> data converter -> signal chain IC -> mixed-signal semiconductor. Key specifications highlighted in the manufacturer datasheet include 12-bit-plus-sign resolution (effectively 13 bits of signed dynamic range), self-calibration of internal offsets and gain, and a serial (rather than parallel) data output that reduces the host-side pin count to a few digital lines. Industrial temperature grade (-40C to +85C) and through-hole PDIP packaging further position the part for legacy and through-hole PCB designs in industrial control equipment. The serial interface frees up board space versus equivalent parallel-output ADCs, particularly valuable in cost-sensitive multiplexed sensor systems where many analog signals must be sampled sequentially. Typical applications for the ADC12130CIN/NOPB include industrial process control instrumentation, multi-channel sensor monitoring, panel meters and digital multimeters, portable data loggers, and embedded control modules that need on-board ADC functionality with minimal microcontroller pin overhead. The internal MUX lets two sensors share one ADC, while the self-calibration feature reduces drift over temperature and time, important in long-life industrial installations. When designing with this ADC, ensure that the analog input pin is driven by a low-impedance source during the acquisition window and that the serial clock and chip-select timing follows the manufacturer datasheet timing diagram. Decouple VDD with a 0.1 uF ceramic capacitor placed close to the supply pin, and consider a small RC filter at the analog input to limit broadband noise.

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ADC12130CIWM - 12-Bit+Sign SAR ADC, 2-Ch MUX, Serial I/O | TI
ADC12130CIWM

ADC12130CIWM - 12-Bit+Sign SAR ADC, 2-Ch MUX, Serial I/O | TI

The Texas Instruments ADC12130CIWM is a self-calibrating 12-bit plus sign successive approximation register (SAR) analog-to-digital converter with 2-channel analog input multiplexer and integrated sample-and-hold, housed in a 16-pin SOIC Wide (DW) package. Per the TI datasheet, it converts at up to 114 kSPS, communicates through an MICROWIRE-compatible serial interface, and runs from a single +5V analog supply with a separate +5V (or +3.3V) digital supply for low-noise digital isolation. A SAR ADC is a type of data converter that uses a binary-search successive-approximation algorithm combined with an internal DAC to digitize an analog input one code per clock cycle. It belongs to the ADC -> data converter -> signal chain IC -> mixed-signal semiconductor hierarchy. SAR ADCs are widely preferred when applications demand deterministic latency, low power, no pipeline delay, and moderate sample rates (10 kSPS to 1 MSPS), making them a workhorse for industrial sensors, instrumentation, and process control. Key differentiating specifications: 12-bit plus sign resolution (effectively 13 bits of dynamic range with bipolar input), built-in 2-channel input MUX for differential or single-ended measurements, self-calibration that nulls offset and linearity errors at power-up, and a serial MICROWIRE interface that reduces pin count versus parallel ADCs. The Wide part maintains roughly two microamps typical supply current in operating mode and supports -40C to +85C industrial temperature range. From an architecture standpoint, the device uses a charge-redistribution DAC array with a comparator and SAR logic, plus on-chip calibration registers that compensate for internal errors after each power-on reset. The two analog inputs can be configured as two single-ended channels or one fully differential pair, and the digital serial port can be clocked up to approximately 10 MHz, supporting both standalone microcontrollers and DSPs. Typical applications include industrial process control loops, weigh scales and load cell digitizers, portable battery-powered instrumentation, panel meters, multichannel data loggers, and temperature or pressure sensor signal chains where the built-in MUX and bipolar true-ground measurement are available. Design tip: provide a clean analog ground plane separated from the digital ground and tie them only at the AGND pin. Decouple VA+ with a 10 uF tantalum in parallel with a 0.1 uF ceramic placed within 5 mm of the pin; insufficient bulk capacitance is the most common cause of conversion noise on this part. The serial interface lines (CS, SCLK, DOUT) should be routed away from the analog inputs to avoid digital coupling. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.

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ADC12130CIWMX - 12-Bit+Sign SAR ADC w/ MUX | Texas Instruments
ADC12130CIWMX

ADC12130CIWMX - 12-Bit+Sign SAR ADC w/ MUX | Texas Instruments

The Texas Instruments ADC12130CIWMX is a self-calibrating 12-bit plus sign successive approximation register (SAR) analog-to-digital converter with serial I/O, an integrated configurable input multiplexer, and an on-chip sample-and-hold, housed in a 16-pin wide-body SOIC (DW) package. The device accepts 1 or 2 input channels via the multiplexer, supports a serial digital interface, and operates across an analog supply range compatible with industrial temperature operation from -40C to +85C. According to the manufacturer datasheet, the converter provides self-calibration for low offset and gain error, which is critical for precision measurement applications. A SAR ADC (Successive Approximation Register Analog-to-Digital Converter) is a type of analog-to-digital converter that uses a binary search algorithm and a single high-precision comparator to convert an analog input to a digital code, balancing speed, accuracy, and power consumption. SAR ADCs sit in the hierarchy: ADC -> data converter -> mixed-signal IC -> semiconductor, and are widely used in industrial process control, data acquisition systems, and instrumentation where a single conversion per acquisition is required rather than continuous streaming. Key features of the ADC12130CIWMX include 12-bit plus sign resolution (effectively 13 bits of dynamic range with bipolar input), built-in self-calibration for low offset and gain error, a 2-channel analog input multiplexer, an integrated sample-and-hold amplifier, and a serial digital output for low pin-count board design. The wide-body SOIC-16 package is drop-in compatible with the rest of the ADC12130/ADC12132/ADC12138 family. The architecture uses a charge-redistribution DAC combined with a precision comparator, with the self-calibration cycle trimming the input offset and linearity error on demand. This self-calibration corrects the gain and offset drift that would otherwise dominate total unadjusted error in standard SAR designs, providing measurement stability over temperature and time. Typical applications include industrial process control, portable instrumentation, data acquisition systems, battery-powered measurement equipment, and sensor signal conditioning. The integrated MUX and sample-and-hold reduce external component count, making it well suited for multi-channel low-bandwidth measurement front ends. When designing with this device, ensure the analog and digital supplies are properly decoupled and that the reference voltage is low-noise and stable; the ADC's linearity and noise performance are directly tied to reference quality. The self-calibration routine should be issued at power-up and after significant temperature changes for best accuracy. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet, providing a single reference for sourcing, replacement, and application guidance.

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ADC12132CIMSA - 12-Bit+Sign Self-Cal SAR ADC, 2-Ch MUX | TI
ADC12132CIMSA

ADC12132CIMSA - 12-Bit+Sign Self-Cal SAR ADC, 2-Ch MUX | TI

The Texas Instruments ADC12132CIMSA is a 12-bit plus sign self-calibrating successive-approximation-register (SAR) analog-to-digital converter with a 2-channel input multiplexer and integrated sample-and-hold, housed in a 20-pin SSOP package. It supports a maximum sampling rate of 114 ksps, accepts 1 or 2 single-ended (or 1 differential) analog inputs, and communicates through a MICROWIRE-compatible serial interface. The device operates from a single +3.3V or +5V supply and features on-chip self-calibration that corrects offset and linearity errors at power-up or on demand. An SAR ADC is a successive-approximation analog-to-digital converter that uses an internal binary search algorithm and a high-precision comparator to digitize an analog input one bit per conversion clock. SAR ADCs sit in the broader analog-to-digital converter family alongside delta-sigma, pipeline, and flash ADCs; they offer an attractive trade-off among resolution (8-18 bits typical), sampling rate (10 ksps to 10 Msps), latency (single-cycle deterministic), and power consumption (sub-milliwatt to tens of milliwatts). The ADC12132 specifically targets industrial instrumentation, process control, and portable data-acquisition front-ends where 12-bit resolution, an input multiplexer, and serial output are sufficient. Key specifications include 12-bit plus sign (13-bit effective) resolution, 114 ksps maximum throughput, ±1 LSB INL (max), a 3 V to 5.5 V analog supply range, low power consumption of approximately 6 mW at 5 V, and on-chip self-calibration that re-zeroes the ADC at power-up or on command. The integrated 2-channel analog multiplexer accepts either two single-ended or one differential input, eliminating the need for an external analog switch. The MICROWIRE/QSPI/DSP-compatible serial interface simplifies connection to virtually any microcontroller or DSP. The architecture is a charge-redistribution SAR core with on-chip calibration logic that measures and stores internal offset and gain correction coefficients in on-chip RAM, then applies them on every conversion. This auto-zeroing approach gives the part excellent DC accuracy over temperature without external trimming. The device also includes a sample-and-hold amplifier on the input, supporting input bandwidth well above the Nyquist limit for 114 ksps operation. Typical applications include industrial process control loop monitoring, portable battery-powered instrumentation, sensor signal conditioning for strain gauges or thermocouples, automotive sensor interfaces, and data-acquisition front-ends for embedded controllers. The combination of self-calibration, low power, and a small SSOP footprint suits it well for space-constrained precision analog designs. When designing with this part, pay close attention to the analog input bandwidth and source-impedance requirements; the sample-and-hold settles within a few hundred nanoseconds, so a low-impedance input buffer (op-amp follower) is recommended for source impedances above 5 kohm. Power-supply decoupling with a 10 uF tantalum plus 0.1 uF ceramic near the AVDD pin is critical because digital and analog currents are derived from the same pin on this older-generation part. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes that the original National Semiconductor datasheet does not present side-by-side, making part selection and second-sourcing easier for design engineers.

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ADC12138CIMSA - 12-Bit+Sign SAR ADC, 8-Ch MUX, Serial I/O | TI
ADC12138CIMSA

ADC12138CIMSA - 12-Bit+Sign SAR ADC, 8-Ch MUX, Serial I/O | TI

The Texas Instruments ADC12138CIMSA is a self-calibrating, 12-bit-plus-sign successive-approximation analog-to-digital converter with serial I/O, an 8-input analog multiplexer, and an on-chip sample/hold, housed in a 28-pin SSOP package. It supports 8 single-ended or 4 differential input channels (plus COM), delivers 12-bit-plus-sign resolution (effectively 13 bits of dynamic range), and operates from a single 3.3V or 5V analog supply. A SAR ADC (Successive Approximation Register Analog-to-Digital Converter) is a type of data converter that performs a binary search through an internal DAC to digitize an analog input one bit at a time per clock cycle. Within the broader taxonomy, the ADC12138 belongs to the data-converter -> ADC -> SAR-ADC -> precision ADC hierarchy of mixed-signal integrated circuits, making it suitable for medium-speed, multi-channel measurements where deterministic latency and high DC accuracy are required. Key features include on-chip self-calibration that corrects offset and linearity errors at power-up or on demand, a serial interface (SPI/QSPI/MICROWIRE-compatible) that minimizes pin count on the 28-SSOP footprint, an 8-channel analog input multiplexer for sensor-scanning applications, low power consumption (typically < 5 mW at 5 V), and an industrial operating temperature range of -40 °C to +85 °C. The architecture combines a capacitive charge-redistribution DAC with a successive-approximation register and an input sample-and-hold amplifier. The self-calibration sequence stores correction coefficients on-chip so that subsequent conversions achieve specified linearity without user trimming. The serial I/O block supports daisy-chaining so multiple devices can share one SPI bus, useful for multi-MUX scanning in industrial front-ends. Typical applications include industrial process-control front ends, multi-sensor data acquisition boards, weigh scales, battery-monitoring systems, and portable instrumentation. The combination of an 8-channel input MUX, self-calibration, and serial output makes it attractive when a single host microcontroller must scan many analog sensors while keeping the BOM small. When designing with this ADC, pay attention to the analog input bandwidth and acquisition-time requirements versus the source impedance of the MUX channels. Place a 0.1 µF decoupling capacitor close to AVDD and DVDD, keep analog and digital grounds separated, and route reference and analog traces away from switching signals to preserve linearity. This page synthesizes distributor stock levels, drop-in same-package alternatives, comparison data, and practical design notes not found in the manufacturer datasheet.

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ADC12138CIMSAX - 12-Bit+Sign SAR ADC, 8-Ch MUX, 28-SSOP | TI
ADC12138CIMSAX

ADC12138CIMSAX - 12-Bit+Sign SAR ADC, 8-Ch MUX, 28-SSOP | TI

The Texas Instruments ADC12138CIMSAX is a self-calibrating 12-bit plus sign successive-approximation analog-to-digital converter with a configurable input multiplexer, sample/hold, and serial (NSC MICROWIRE-compatible) I/O. It offers 4 or 8 analog input channels, a maximum sampling rate of approximately 114 ks/s, and is housed in a 28-pin SSOP package. The part is specified for industrial temperature operation from -40C to +85C and operates from 3.3V or 5V analog/digital supplies. An SAR (successive-approximation register) ADC is a class of analog-to-digital converter that uses a comparator and a binary-weighted digital-to-analog converter to determine each output bit one conversion cycle at a time. Within the data-converter hierarchy, the ADC12138 sits between general-purpose 8/10-bit ADCs and higher-resolution (16/18/24-bit) delta-sigma ADCs, with the differentiating features of self-calibration, an integrated analog multiplexer, and a sign bit that allows bipolar input ranges with a single supply. The MICROWIRE-style serial interface minimizes pin count for microcontroller- and DSP-based systems. Key differentiating features include 12-bit plus sign resolution (giving 13 bits of dynamic range over a bipolar input), on-chip self-calibration that removes offset and gain error without external components, a configurable 4/8-channel input multiplexer, an analog input range programmable to 0V-Vref or +/-Vref, low power consumption (typically under 30 mW at 5V), and a serial interface that is compatible with NSC MICROWIRE and most microcontroller SSP/SPI ports. The 28-SSOP footprint is a low-profile plastic package widely used in industrial instrumentation. The architecture is a classic charge-redistribution SAR with a calibrated DAC, plus a finite-state machine that runs an internal gain/offset trim after power-up. The integrated sample/hold and input MUX reduce external analog front-end complexity. Self-calibration means designers do not need to allocate analog trim pins or run system-level offset/gain compensation at every power cycle. Typical applications include multi-channel data acquisition front-ends, industrial process control sensor multiplexing, portable instrumentation with battery-supply operation, multi-point thermocouple or bridge-sensor measurement, factory-automation analog input modules, and PLC analog input cards. The 8-channel MUX is well matched to multi-sensor monitoring. When designing with this part, ensure the analog and digital supplies are decoupled with 0.1 uF ceramic capacitors placed within 5 mm of the supply pins, route the REF pin with a low-impedance ground return, and avoid running serial clock edges close to analog-input transitions to minimize digital feedthrough to the MUX output. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone.

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ADC12138CIN/NOPB - 12-bit+Sign 8-ch SAR ADC 114ksps | TI DIP-28
ADC12138CIN/NOPB

ADC12138CIN/NOPB - 12-bit+Sign 8-ch SAR ADC 114ksps | TI DIP-28

The Texas Instruments ADC12138CIN/NOPB is a self-calibrating 12-bit plus sign successive approximation analog-to-digital converter with serial I/O, an 8-channel input multiplexer, and an integrated sample-and-hold, housed in a 28-pin PDIP through-hole package. It samples at 114 ksps, communicates via MICROWIRE-compatible serial interface, and operates from a single 3V to 5V analog supply with low power consumption, making it well-suited for embedded multi-channel data acquisition. What is a SAR ADC? A successive-approximation-register analog-to-digital converter is a low-latency ADC architecture that uses an internal binary-search algorithm against a precision DAC to converge on the input voltage within N clock cycles, where N is the resolution. SAR ADCs sit hierarchically under analog-to-digital converters, data converters, signal chain ICs, and finally power management and signal-chain semiconductors. They are the dominant choice when designers need deterministic acquisition latency, no pipeline delay, and excellent DC linearity - contrast them with sigma-delta ADCs (higher resolution but heavier digital filtering) and pipeline ADCs (faster throughput at higher cost). Key features of this part include 12-bit resolution plus sign (effectively 13-bit dynamic range bipolar), a configurable 4 or 8 input channel multiplexer (part of the ADC12130/12132/12138 family), 0.0488% linearity error (about 1 LSB), 8.8 µs typical conversion time at a 114 ksps throughput, and built-in self-calibration that corrects offset and linearity errors on demand, eliminating manual trimming in production. The MICROWIRE serial interface reduces MCU pin count to three (CS, SCLK, DOUT), simplifying PCB routing in space-constrained designs. The architecture combines a charge-redistribution DAC, a high-speed comparator, and an SAR control register that performs binary-weighted approximations. Built-in self-calibration measures internal errors and applies digital correction on each conversion cycle, enabling the part to maintain 12-bit accuracy across the -40°C to +85°C industrial temperature range without user intervention. Typical applications include portable instrumentation, multi-channel sensor monitoring systems, industrial process control loops with 4-20 mA front ends, and embedded data acquisition boards that need an 8-channel analog front end behind a microcontroller. The 8.8 µs conversion time is suitable for control-loop bandwidths in the low kilohertz range. When designing with this converter, allocate ample settling time for the multiplexer stage at the analog input and add a small RC filter to attenuate broadband noise - the integrated sample-and-hold handles acquisition but a high-impedance source can introduce gain error. The single-supply operation simplifies power-rail design relative to bipolar-input ADCs that need ±5 V rails. This page synthesizes pricing tiers across authorized distributors, validated drop-in alternatives in the same PDIP-28 footprint, and practical design notes beyond the manufacturer datasheet to accelerate your evaluation of the ADC12138CIN/NOPB.

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ADC12138CIWM - 12-bit+Sign 8-Ch SAR ADC, 28-SOIC | Texas Instruments
ADC12138CIWM

ADC12138CIWM - 12-bit+Sign 8-Ch SAR ADC, 28-SOIC | Texas Instruments

The Texas Instruments ADC12138CIWM is a self-calibrating 12-bit plus sign successive-approximation analog-to-digital converter with serial I/O, an 8-channel configurable analog input multiplexer, and an integrated sample-and-hold, housed in a 28-pin SOIC (WM) wide-body package. Per the TI datasheet, the device supports 4 differential or 8 single-ended input channels and operates from a single 3 V to 5.5 V analog supply, reaching 114 kSPS throughput while consuming approximately 1.3 mA at full speed. An ADC (analog-to-digital converter) is a mixed-signal integrated circuit that samples continuous-time analog voltages and converts them into discrete binary words for processing by a microcontroller, DSP, or FPGA. SAR (successive-approximation-register) ADCs use a binary-search algorithm with an internal DAC to resolve N clock cycles per conversion, trading off speed for high DC precision and low latency. The ADC12138 family sits in the hierarchy: ADC -> data converter -> mixed-signal IC -> semiconductor. Its 12-bit-plus-sign format extends the natural range to 13 bits of resolution including bipolar sign, useful for industrial signal acquisition. Key features include differential nonlinearity (DNL) of +/-0.5 LSB typical, integral nonlinearity (INL) of +/-1 LSB, on-demand self-calibration for offset and gain error, an SPI/QSPI/MICROWIRE-compatible serial interface, and an analog input range of 0 V to VREF or 0 V to 2*VREF with a 2.5 V reference. The wide-body SOIC-28 (WM) package supports the industrial -40°C to +85°C operating range and is optimized for through-hole-style SMD thermal performance on standard PCB footprints. The architecture combines a charge-redistribution CDAC with auto-zero calibration, achieving low drift over temperature and tight absolute accuracy without user-performed trimming. Its serial interface reduces board routing complexity compared with parallel-output converters, especially when multiple devices share a single SPI bus through chip-select. Typical applications include industrial process control, multi-channel data logging, portable instrumentation, sensor signal acquisition, and factory automation front-ends. The 8-channel MUX eliminates external analog switches for many sensor-array use cases. When laying out this board, place the 0.025VREF bypass capacitor within 10 mm of the REF pin and keep analog/digital grounds separated until joined at the ADC AGND pin. The serial-clock rise time must be <100 ns to avoid double-clocking the digital interface at 114 kSPS. This page synthesizes distributor pricing, drop-in same-family alternatives, and practical PCB layout guidance not found in the bare datasheet PDF.

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ADC12138CIWM/NOPB - 12-Bit+Sign 8-Ch SAR ADC | Texas Instruments
ADC12138CIWM/NOPB

ADC12138CIWM/NOPB - 12-Bit+Sign 8-Ch SAR ADC | Texas Instruments

The Texas Instruments ADC12138CIWM/NOPB is a 12-bit plus sign, self-calibrating, successive approximation register (SAR) analog-to-digital converter (ADC) with a configurable 8-channel input multiplexer and serial I/O, housed in a 28-pin SOIC wide-body (SOIC-28) package. According to the manufacturer datasheet, it supports sampling rates up to 114 kSPS, accepts pseudo-differential or single-ended analog inputs, and provides an SPI/serial-compatible digital interface suitable for microcontroller and DSP host connections. The integrated sample-and-hold amplifier, on-chip self-calibration logic, and ±1 LSB (max) linearity error make this part a precise data-acquisition front end for industrial instrumentation. An SAR ADC is a type of data converter that uses a binary search through successive approximation register logic to digitize an analog input one bit at a time within a single conversion cycle. The ADC12138 belongs to the broader category of successive approximation ADCs, which are valued for their low power consumption, deterministic latency, and excellent DC accuracy. Within the system hierarchy, this part sits as a precision analog front-end in a data acquisition system, performing the critical bridge between real-world analog sensors and the digital signal processor, microcontroller, or FPGA that processes the resulting codes. Self-calibration is a built-in feature that corrects internal capacitor mismatch and zero-scale/full-scale errors on demand, removing the need for manual trimming during production. Key features include 12-bit plus sign resolution (effectively 13 bits of dynamic range when measuring bipolar signals), 8 analog input channels selectable via software, a 4-channel pseudo-differential mode for noise rejection, an on-chip sample-and-hold, and self-calibration on power-up or on command. The 28-pin SOIC wide-body package provides ease of prototyping and rework, while the 3V to 5V analog supply range and 3V to 5V digital supply range simplify integration into both 3.3V and 5V systems. Typical applications include industrial process control, multi-channel data loggers, portable instrumentation, and medical monitoring where multiple sensors must be digitized with high DC accuracy. The 8-channel multiplexer is well suited to multi-zone temperature, pressure, or strain-gauge measurements where a single ADC must service many sensors. When designing with this part, place a 0.1 uF decoupling capacitor close to the analog supply pin and a 10 uF bulk capacitor on the digital supply. Use a quiet analog ground plane and route SCLK and DOUT traces away from analog inputs to minimize digital-to-analog coupling. The /CS pin enables multi-device SPI bus sharing for systems that need more than eight input channels.

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ADC12138CIWMX - 12-Bit+Sign 8-Ch SAR ADC | Texas Instruments
ADC12138CIWMX

ADC12138CIWMX - 12-Bit+Sign 8-Ch SAR ADC | Texas Instruments

The Texas Instruments ADC12138CIWMX is a self-calibrating, 12-bit plus sign, successive-approximation analog-to-digital converter with serial I/O, an 8-channel analog input multiplexer, and on-chip sample/hold, packaged in a 28-pin SOIC. It supports a single +3.3 V or +5 V analog supply, accepts 8 single-ended or 4 differential inputs, and returns 12-bit two's-complement conversion results through a four-wire serial interface that is compatible with most microcontrollers and DSPs. A SAR ADC (successive-approximation register analog-to-digital converter) is a type of data converter that performs a binary search through an internal resistor ladder to resolve an input voltage into a digital code in N conversion steps for an N-bit result. SAR ADCs sit in the broader hierarchy of data converters -> ADCs -> successive-approximation ADCs -> semiconductor ICs, and they are favored in multi-channel precision instrumentation because they deliver deterministic latency, no-pipeline-delay sampling, and intrinsic ease of multiplexing. Key differentiating features include on-chip self-calibration that corrects offset and gain errors at power-up and on demand, a software-configurable unipolar/bipolar input range with the bipolar range scaled to ±VREF, a maximum conversion time of 8.8 µs at the slowest clock, and 4.5 V to 5.5 V analog supply operation. The 8-channel input mux removes the need for an external analog switch in low-density data-acquisition front ends. Differential nonlinearity remain within ±1 LSB maximum. The architecture uses a capacitive charge-balancing DAC followed by a comparator and SAR logic, with the calibration cycles trimming both endpoints against an internal bandgap-derived reference. The result is low total unadjusted error, low temperature drift, and the absence of pipeline delay so the conversion result is available the same cycle the sample is taken - useful for closed-loop control. Typical applications include portable multi-channel data loggers, industrial process-control front ends with 4-20 mA loop sensors, weigh-scale and bridge-transducer signal chains, patient-monitoring front ends in IEC 60601-1-isolated subsystems, and battery-powered hand-held instrumentation requiring 3.3 V supply operation. When designing with the ADC12138CIWMX, decouple AVDD and AGND locally with a 10 µF tantalum plus 0.1 µF ceramic pair, route the analog and digital grounds as separate planes joined only at the AGND pin, and gate the serial transfers with CS so the part powers down between conversions for additional power savings. This page synthesizes distributor stock, signature options, and drop-in alternatives not collected on the manufacturer's datasheet alone.

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ADC12138CIWMX/NOPB - 12+Sign-Bit 114kSPS SAR ADC | TI
ADC12138CIWMX/NOPB

ADC12138CIWMX/NOPB - 12+Sign-Bit 114kSPS SAR ADC | TI

The Texas Instruments ADC12138CIWMX/NOPB is a self-calibrating 12-bit plus sign serial I/O analog-to-digital converter with an integrated 8-channel analog input multiplexer and sample/hold, offered in a 28-pin SOIC (Wide, 0.295" / 7.50 mm) package. It performs successive-approximation (SAR) conversions at up to 114 k samples per second, supports both unipolar (0 to VREF) and bipolar (±VREF) input ranges through on-chip sign extension, and provides self-calibration that removes offset and gain errors without external components. A SAR ADC is a successive-approximation-register analog-to-digital converter that uses a binary-search algorithm against an internal capacitive DAC to resolve each conversion in N clock cycles for N bits of resolution. SAR ADCs occupy the middle of the converter hierarchy between flash ADCs (fastest, lowest resolution) and sigma-delta ADCs (slowest, highest resolution), and they are favored when medium resolution, low latency, deterministic acquisition, and moderate speed are required without the latency penalty of oversampling converters. Key features of the ADC12138CIWMX/NOPB include 4 or 8 configurable analog inputs (the ADC12130/12132/12138 family shares one datasheet), 12-bit plus sign resolution, 114 kSPS maximum throughput, MICROWIRE-compatible serial interface, ±2.5 V bipolar or 0–5 V unipolar input ranges, internal sample/hold, self-calibration mode, single +5 V analog supply, and industrial −40 °C to +85 °C operating temperature. The wide SOIC package exposes ground and supply pins on multiple sides for straightforward PCB layout and decoupling. The architecture combines an input MUX, a differential sample/hold, a SAR core, and a calibration DAC that trims the reference ladder during the calibration cycle. Self-calibration runs automatically on power-up and can be retriggered on demand, holding the trimmed coefficients until the next calibration, which significantly reduces full-scale and zero-scale error compared with uncalibrated SAR devices. Typical applications include industrial process-control data acquisition modules, multi-channel instrumentation front ends, battery-pack monitoring systems, portable medical diagnostic instruments, and HVAC sensor interfaces. The integrated MUX allows direct connection of multiple sensors to a single converter. When designing with this device, place a 10 µF tantalum plus 0.1 µF ceramic bypass close to AVDD/DVDD, keep the analog/digital ground split under the IC, and use an external low-noise reference (e.g., REF02/REF50xx) tied to the VREF pin; the S/H input current spikes during acquisition, and long source impedance will degrade THD. This page synthesizes distributor pricing, drop-in same-package alternatives, and practical PCB-layout notes not found in the manufacturer datasheet alone.

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ADC1213D065HN-C1 - Dual 12-bit 65 MSPS ADC, JESD204A | Renesas
ADC1213D065HN-C1

ADC1213D065HN-C1 - Dual 12-bit 65 MSPS ADC, JESD204A | Renesas

The Renesas Electronics ADC1213D065HN-C1 is a dual-channel 12-bit pipelined analog-to-digital converter (ADC) sampling at 65 MSPS per channel, housed in a 56-pin HVQFN-EP (8x8 mm) package. It features two simultaneously-sampling inputs, a serial JESD204A output interface, and integrated input buffers, with options for extended sample rates of 80, 105, and 125 MSPS within the same family. The C1 suffix indicates the 65 MSPS speed grade and the RoHS-compliant automotive-qualified temperature range. What is a pipelined ADC? A pipelined analog-to-digital converter is a high-speed sampling architecture that processes the analog input through a cascade of low-resolution flash stages, each stage producing a digital residue passed to the next. Pipelined ADCs sit in the hierarchy of data converters -> Nyquist-rate ADC -> flash and pipelined architectures -> high-speed data acquisition ICs. They deliver the best trade-off between sample rate, resolution, and power for communications and imaging bandwidths, typically 10 MSPS to 500 MSPS at 8-14 bits. The ADC1213D family is optimized for high dynamic performance and low power, making it ideal for driving downstream FPGAs or DSPs over the JESD204A serial link. Each channel includes its own track-and-hold amplifier, allowing simultaneous sampling of two analog signals without skew. The device operates from a single 1.8 V supply and supports LVDS-compatible clock inputs. Key differentiating features include 65 MSPS guaranteed sampling rate per channel, dual simultaneous sampling, 12-bit resolution, JESD204A serial output for reduced pin count and simplified board routing, and integrated input buffers that relax external driver requirements. The device is specified over the -40C to +85C extended industrial temperature range and is lead-free / RoHS compliant. Typical applications include multi-carrier wireless base-station receivers, medical imaging systems such as ultrasound beamformers, radar and lidar signal processing, portable test and measurement instrumentation, and dual-channel data acquisition cards. The wide input bandwidth and excellent spurious-free dynamic range make it suitable for direct-IF sampling at intermediate frequencies up to 200 MHz. Designers should consider that the JESD204A interface requires careful PCB layout with controlled-impedance differential traces and that the device's input common-mode voltage must be set externally. The exposed thermal pad (EP) must be soldered to the ground plane for proper heat dissipation and electrical performance. This page synthesizes distributor pricing, drop-in alternatives, application context, and design guidance not aggregated elsewhere, supporting faster component selection for high-speed dual-channel data acquisition systems.

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ADC1213D080HN-C1 - Dual 12-bit 80Msps ADC, JESD204A | Renesas
ADC1213D080HN-C1

ADC1213D080HN-C1 - Dual 12-bit 80Msps ADC, JESD204A | Renesas

The Renesas ADC1213D080HN-C1 is a dual-channel 12-bit pipelined analog-to-digital converter sampling up to 80 Msps with a serial JESD204A output interface, housed in a 56-pin VFQFPN (8x8 mm) exposed-pad package. It features 2 differential analog inputs, 12-bit resolution, an integrated input buffer, and a single 1.8 V supply for low-power operation. An analog-to-digital converter (ADC) is a mixed-signal data-acquisition component that converts continuous-time continuous-amplitude analog voltages into discrete digital codes, enabling downstream digital signal processing in FPGAs, ASICs, or microcontrollers. Pipelined ADCs sit at the performance/power sweet spot for high-speed multi-Msps sampling, above successive-approximation (SAR) and below flash ADCs. This ADC integrates two fully matched ADC channels with shared reference and clock tree, optimized for high dynamic performance and low power in multi-antenna or I/Q systems. Key specifications include 80 Msps maximum sampling rate per channel, dual 12-bit resolution, 70.3 dBFS typical SNR at 9.7 MHz input, 88 dBc typical SFDR, and 1.8 V single supply operation. The JESD204A subclass-0 serial interface bundles both channels onto up to 4 lanes, dramatically reducing board traces versus parallel LVDS. An integrated input buffer eliminates the external front-end driver requirement in most applications. The pipelined architecture uses 7 stages of 1.5-bit resolution sub-ADCs with inter-stage residue amplifiers and digital error correction, enabling sample rates up to 125 Msps in the family while consuming only 70 mW per channel typical. Input common-mode is internally biased at 0.9 V and the differential full-scale range is 2 Vpp. Typical applications include multi-antenna 3G/4G wireless base-station receivers, software-defined radio (SDR) digitizers, medical imaging front-ends, radar and lidar digitizers, and automated test equipment. Pin-compatible higher-sample-rate variants (105/125 Msps) allow system scaling. When designing with this part, decouple the 1.8 V AVCC and DVDD rails with separate ferrite beads plus 100 nF + 10 uF ceramic capacitors placed within 5 mm of each pin. The exposed pad must be soldered to a continuous ground plane with at least 4 thermal vias for 0.5 W dissipation. JESD204A link parameters must be programmed via SPI before the converter releases SYNC~. This page synthesizes distributor pricing, same-package drop-in alternatives, and practical PCB-layout notes not aggregated in the OEM datasheet.

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ADC1213D080HN-C18 - 12-bit 80MSPS Dual ADC with JESD204A | Renesas
ADC1213D080HN-C18

ADC1213D080HN-C18 - 12-bit 80MSPS Dual ADC with JESD204A | Renesas

The Renesas ADC1213D080HN-C18 is a dual-channel, 12-bit pipelined analog-to-digital converter sampling at 80 MSPS per channel, housed in a 56-pin VFQFPN (8x8 mm) package. It supports a JESD204A serial output interface for high-speed digital interconnects and integrates two ADC channels that share a common reference and clock tree. The device operates from a 1.8 V analog supply and a 3.3 V digital supply, with low power consumption suited to multi-channel receiver systems. An ADC (Analog-to-Digital Converter) is a mixed-signal integrated circuit that samples continuous-time analog voltages and converts them into discrete digital codes at a specified sampling rate. Pipelined ADCs use a multi-stage architecture that enables high conversion throughput with moderate resolution (typically 8-14 bits) and low latency compared to delta-sigma converters. Within the broader IC taxonomy, this part belongs to the data converter family, which sits under signal chain ICs and broader mixed-signal power management and processing hierarchies used in modern electronic systems. Key features of the ADC1213D080HN-C18 include 12-bit resolution, 80 MSPS sampling per channel, dual simultaneous sampling inputs, JESD204A serial interface with up to 3.125 Gbps lane rates, integrated input buffer, and SPI-compatible configuration registers. The pipelined architecture provides 6-7 effective bits of ENOB at high input frequencies, making it suitable for wideband IF sampling in software-defined architectures. The device supports both single-ended and differential analog inputs with flexible common-mode adjustment. Typical applications include multi-antenna wireless receiver baseband, software-defined radio (SDR) platforms, cable modem downstream capture, radar signal processing front-ends, medical imaging digitizers, and broadband test and measurement equipment. The dual-channel matched sampling characteristic is particularly valuable in I/Q demodulation paths and diversity receivers where channel-to-channel gain and offset matching directly impact demodulation accuracy. When designing with this part, ensure the JESD204A link parameters (L, M, F, K, and N) are correctly programmed to match the receiving FPGA or ASIC. Proper decoupling of the 1.8 V AVDD and 3.3 V DRVDD rails, along with careful PCB layout of the high-speed CML serial outputs, is critical to achieving the rated BER performance on the JESD204A link.

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ADC1213D080HN/C1/5 - Dual 12-bit 80 MSPS ADC, JESD204A, 56-HVQFN
ADC1213D080HN/C1/5

ADC1213D080HN/C1/5 - Dual 12-bit 80 MSPS ADC, JESD204A, 56-HVQFN

The Renesas (formerly Integrated Device Technology / NXP) ADC1213D080HN/C1/5 is a dual-channel 12-bit pipelined analog-to-digital converter sampling at 80 MSPS per channel, housed in a 56-lead HVQFN (8x8 mm) exposed-pad package. The device uses a proprietary serial JESD204A-compatible output interface, enabling a low-pin-count digital connection to FPGAs and ASICs in high-density systems. The part is one of a speed-grade family spanning 65/80/105/125 MSPS, and the /C1/5 suffix denotes the 80 MSPS speed grade with Tape & Reel packaging. An ADC (analog-to-digital converter) is a mixed-signal integrated circuit that converts continuous analog input voltages into discrete digital codes at a defined sample rate. Dual-channel ADCs such as the ADC1213D integrate two converters on one substrate, sharing clock, reference, and supply circuits, which lowers system BOM cost and reduces board area versus two discrete ADCs. Dual 12-bit ADCs sit in the hierarchy: ADC -> data acquisition IC -> mixed-signal IC -> semiconductor, and they are typically used for communications baseband, radar, medical imaging, and high-speed test instrumentation. The key performance features of this converter are 12-bit resolution, 80 MSPS sampling rate per channel, dual simultaneous sampling channels, and a pipelined architecture. According to the manufacturer datasheet, the pipelined topology enables high input bandwidth and low latency per stage. The serial JESD204A-style interface reduces digital I/O pin count, simplifies PCB routing, and supports deterministic multi-device synchronization for beamforming and MIMO applications. Typical applications include communications receivers (LTE / WCDMA baseband), radar and electronic-warfare signal processing, medical ultrasound front-ends, and high-speed data acquisition cards. When designing with this device, pay close attention to analog input common-mode and differential drive, jitter on the sampling clock, and decoupling of the analog and clock supplies - poor decoupling will visibly degrade SNR and SFDR performance.

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