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ADS62P25IRGC25 - Dual 12-Bit 125 MSPS ADC, 64-VQFN | Texas Instruments
ADS62P25IRGC25

ADS62P25IRGC25 - Dual 12-Bit 125 MSPS ADC, 64-VQFN | Texas Instruments

The Texas Instruments ADS62P25IRGC25 is a dual-channel, 12-bit, 125 MSPS analog-to-digital converter (ADC) housed in a 64-pin VQFN (RGC) 9x9 mm package. The device combines high dynamic performance with low power consumption and supports both parallel CMOS and DDR LVDS output interfaces in a single part. Maximum sample rate is 125 MSPS with 12-bit resolution and no missing codes, while the dual internal sample-and-hold and low-jitter clock buffer deliver high SNR and high SFDR at IF inputs. An ADC (analog-to-digital converter) is a mixed-signal integrated circuit that samples continuous analog voltages and quantizes them into discrete digital codes. The ADS62P25 sits in the high-speed pipeline ADC family, used when systems require many tens of megasamples per second per channel for communications, imaging, or instrumentation. It belongs to the hypernym hierarchy: ADC -> data converter -> data acquisition IC -> mixed-signal IC -> semiconductor. Pipeline ADCs specifically use a switched-capacitor architecture that resolves a few bits per stage across cascaded stages to achieve high sample rates at moderate resolution, which is exactly the architecture used here. Key features include 12-bit resolution with no missing codes, 125 MSPS maximum sample rate, programmable fine gain up to 6 dB plus a 3.5 dB coarse gain for SNR/SFDR trade-off, 95 dB channel-to-channel crosstalk, and a built-in digital processing block with offset correction and fine gain correction in 0.05 dB steps. Selectable DDR LVDS or parallel CMOS outputs let the same hardware target FPGA-based capture boards or legacy parallel DSP interfaces. The integrated low-jitter clock buffer simplifies board design by relaxing external clock requirements. Typical applications include multi-carrier GSM/UMTS/LTE base-station receivers, cable-headend digitizers, medical imaging front ends, radar and phased-array IF sampling, and test and measurement instrumentation. The wide input bandwidth and selectable output interfaces make it well suited for both diversity receivers and multi-channel oscilloscope platforms. When designing with this device, treat the analog input network and clock distribution as a single RF subsystem: use a differential transformer driver, keep the clock path short, and provide adequate decoupling on each supply pin. The dual-channel footprint requires that both inputs be impedance-matched to achieve the rated crosstalk and SFDR. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found on the manufacturer datasheet alone.

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ADS62P28IRGC25 - Dual 12-Bit 210-MSPS ADC with DDR LVDS/CMOS | TI
ADS62P28IRGC25

ADS62P28IRGC25 - Dual 12-Bit 210-MSPS ADC with DDR LVDS/CMOS | TI

The Texas Instruments ADS62P28IRGC25 is a dual-channel, 12-bit, 210-MSPS analog-to-digital converter (ADC) with DDR LVDS and parallel CMOS outputs, housed in a 64-pin VQFN (RGC) power-thermally enhanced package with exposed pad. The part integrates two high-performance pipelined ADC cores, a flexible digital interface, and on-chip sample-and-hold amplifiers optimized for multi-carrier, wide-bandwidth signal capture. An 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. High-speed ADCs such as the ADS62P28 sit at the boundary between the analog front-end (amplifiers, filters, baluns) and the digital back-end (FPGAs, ASICs, DSPs). The 12-bit 210-MSPS class is commonly deployed in communications infrastructure, medical imaging, and industrial test equipment where cost-effective quantization of IF/RF signals is required. Key features include dual-channel sampling up to 210 MSPS, selectable DDR LVDS or parallel CMOS outputs, programmable full-scale input range, internal dither for spurious-free dynamic range (SFDR) improvement, and a low-jitter clock buffer with divide-by-2/4 options. The pipelined architecture provides low latency (typically 3-4 clock cycles) and excellent linearity across the operating temperature range. The 64-VQFN package with exposed thermal pad supports the 1.7 W typical power dissipation with standard PCB thermal design. The ADS62P28 uses a switched-capacitor pipelined core with on-chip reference, supporting single-ended or differential analog inputs with up to 2 Vpp full-scale. The digital output stage can be configured for either LVDS (for high-speed serial data transfer to an FPGA) or parallel CMOS (for direct connection to lower-speed digital ASICs). Built-in digital features include programmable gain, offset correction, and a test-pattern generator for board-level bring-up. Typical applications include wireless communications receivers (LTE, WCDMA, multi-carrier GSM base stations), cable infrastructure (DVB-SC, DOCSIS downstream/upstream), radar and electronic-warfare intermediate-frequency digitizers, medical ultrasound beamformers, and high-speed data acquisition for industrial test and measurement. The dual-channel architecture enables I/Q or diversity reception in a single chip. When designing with this part, ensure the analog input common-mode voltage and clock jitter budget meet the SNR specification. Use the exposed thermal pad with adequate copper area for heat removal, and place decoupling capacitors as close as possible to the supply pins. This page synthesizes distributor pricing, drop-in alternatives from TI's ADS62Pxx family, and practical design notes not found in the manufacturer datasheet.

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ADS62P42IRGC25 - Dual 14-bit 65MSPS ADC, LVDS/CMOS | Texas Instruments
ADS62P42IRGC25

ADS62P42IRGC25 - Dual 14-bit 65MSPS ADC, LVDS/CMOS | Texas Instruments

The Texas Instruments ADS62P42IRGC25 is a dual-channel, 14-bit analog-to-digital converter (ADC) with a maximum sample rate of 65 MSPS per channel, offered in a 64-pin VQFN (RGC) package with exposed thermal pad. The device combines high dynamic performance and low power consumption, supports selectable Double Data Rate (DDR) LVDS or parallel CMOS outputs, and integrates an internal voltage reference and sample-and-hold to simplify multi-carrier, wide-bandwidth signal-chain designs. An ADC (analog-to-digital converter) is a mixed-signal integrated circuit that samples continuous-time analog input signals and produces discrete-time digital codes proportional to the input voltage. Pipeline ADCs such as the ADS62P42 family achieve high sampling rates (>10 MSPS) at moderate-to-high resolution (12-16 bit) by distributing the conversion across multiple low-resolution stages. Within the broader taxonomy, the ADS62P42 belongs to the pipeline ADC class, which itself sits under successive-approximation and flash hybrids on the high-speed converter hierarchy: ADC -> high-speed ADC -> pipeline ADC -> data converter IC -> mixed-signal semiconductor. Understanding this hierarchy helps engineers compare against SAR, sigma-delta, and integrating architectures for each application. Key specifications include 14-bit resolution across two simultaneous channels, a 65 MSPS maximum sample rate per channel, internal reference (with optional external reference input), and DDR LVDS or CMOS digital interface. The device also includes a low-jitter clock buffer, configurable input full-scale range via the CTRL pins, and a serial peripheral interface (SPI) for advanced programming of internal registers, while simple modes can be set by parallel pin voltages at power-up. Typical applications include multi-carrier wireless base-station receivers (LTE, WCDMA, TD-SCDMA, WiMAX), test and measurement instrumentation, medical imaging front ends (ultrasound beamforming), defense radar and signal-intelligence capture, and software-defined radio (SDR) platforms. The dual-channel architecture simplifies PCB layout for I/Q signal chains by providing matched ADCs on a single die. The integrated reference eliminates external reference noise and trimming cost, and the DDR LVDS interface reduces the FPGA pin count by clocking data on both edges of the output strobe. When designing with this device, ensure the analog inputs are AC- or DC-coupled with proper 50-ohm or transformer termination, and follow TI's recommended decoupling scheme - typically a 10uF bulk plus 0.1uF and 10nF ceramics on each supply pin. The exposed pad must be soldered to a continuous ground plane to meet thermal and signal-integrity specifications.

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ADS62P44IRGC25 - Dual 14-bit 105MSPS ADC, LVDS/CMOS | TI
ADS62P44IRGC25

ADS62P44IRGC25 - Dual 14-bit 105MSPS ADC, LVDS/CMOS | TI

The Texas Instruments ADS62P44IRGC25 is a dual-channel, 14-bit, 105-MSPS analog-to-digital converter (ADC) with selectable DDR LVDS or parallel CMOS outputs, housed in a 64-pin VQFN (RGC) package sized 9x9 mm. It combines high dynamic performance with low power consumption, supporting SNR up to 72.4 dBFS and SFDR up to 85 dBc at 105 MSPS with a 70 MHz input. The integrated low-jitter clock buffer and internal sample-and-hold simplify board-level design while preserving timing margin in multi-channel systems. An ADC (analog-to-digital converter) is a data-conversion integrated circuit that quantizes continuous analog signals into discrete digital codes for downstream DSP, FPGA, or ASIC processing. Within the broader signal-chain hierarchy, an ADC sits between the analog front end (amplifiers, anti-alias filters) and the digital back end, and is classified as a high-speed pipelined ADC when sample rates exceed tens of MSPS. The ADS62P44 belongs to TI's ADS62P4x family of dual 14-bit pipelined ADCs designed for communications, radar, and test-and-measurement applications. Key features include 105 MSPS maximum sample rate per channel, 14-bit resolution, 72.4 dBFS SNR, 85 dBc SFDR, 2.3 GHz input bandwidth, programmable gain from 0 dB to 6 dB in 1 dB steps, and selectable DDR LVDS or CMOS output interfaces. The device operates from a 3.3 V analog supply and a 1.8 V digital supply, with power scaling linearly with sample rate. The LVDS output supports both standard and low-power modes, providing flexibility for power-constrained systems. Architecturally, the ADS62P44 uses a multi-stage pipelined core with proprietary digital error correction. The internal sample-and-hold preserves aperture jitter below 150 fs RMS, while the differential clock receiver accepts both LVPECL and LVDS levels. The output data is presented DDR (double data rate) on LVDS lanes or as parallel CMOS words, enabling direct connection to FPGAs and ASICs without external deserialization logic. Typical applications include wireless base-station receivers, software-defined radio (SDR) platforms, radar and lidar signal processing, medical imaging front ends, and high-speed data acquisition systems. Designers should ensure the analog inputs are AC- or DC-coupled with proper 50-ohm terminations, and that the clock source has sub-ps RMS jitter to preserve SNR at high input frequencies. The exposed thermal pad must be soldered to a sufficient ground plane for rated performance.

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ADS62P48IRGC25 - Dual 14-Bit 210MSPS ADC | Texas Instruments
ADS62P48IRGC25

ADS62P48IRGC25 - Dual 14-Bit 210MSPS ADC | Texas Instruments

The Texas Instruments ADS62P48IRGC25 is a dual-channel, 14-bit, 210-MSPS analog-to-digital converter (ADC) from the ADS62Px9/x8 family, integrating DDR LVDS and parallel CMOS outputs in a 64-pin VQFN (RGC) package measuring 9x9 mm. It delivers high dynamic performance with low power consumption, supports input frequencies up to 250 MSPS (210 MSPS for the IRGC25 speed grade), and operates from a 1.8 V analog supply and 3.3 V digital supply across the industrial -40C to +85C range. Key specifications include selectable DDR LVDS or parallel CMOS output modes, internal dither for SFDR improvement at low full-scale inputs, and an LVDS clock input for low-jitter sampling. The 64-QFN (HVQCCN) package combines compact board area with excellent thermal performance for multi-carrier, wide-bandwidth communications systems. A pipelined ADC such as the ADS62P48IRGC25 is a high-speed converter architecture that resolves analog inputs by passing the signal through a cascade of low-resolution stages, each of which feeds a residue to the next while a digital correction block reassembles the final N-bit code. Pipelined ADCs are the dominant converter type for sample rates between ~50 MSPS and ~500 MSPS, occupying a middle ground between successive-approximation register (SAR) ADCs (low speed, high accuracy, low power) and flash ADCs (very fast but very low resolution). Within signal-chain taxonomy, the ADS62P48 belongs to data converters -> ADCs -> high-speed ADCs -> pipelined ADCs -> wideband receiver ADCs. Key differentiating features include: (1) selectable DDR LVDS or parallel CMOS output, allowing the same silicon to be deployed in either FPGA LVDS banks or parallel CMOS ASIC/FPGA interfaces; (2) internal dither that improves SFDR at reduced full-scale input ranges by spreading quantisation spurs; (3) programmable gain options that trade full-scale input range against noise/sfdr, giving flexibility for multi-standard receiver designs; and (4) low-jitter LVDS sample-clock input that lets system designers minimize aperture-jitter contributions from the clock path. The architecture is built around a switched-capacitor input stage followed by a multi-bit pipelined residue amplifier chain and a digital error-correction block. Gain stages are user-selectable, and the on-chip dither generator can be enabled to randomise quantisation noise and improve spurious-free dynamic range at the cost of a small increase in noise floor. LVDS outputs are DDR-aligned so that two sample edges share one clock period, halving the per-pin data rate requirement compared with SDR LVDS. Typical applications include multi-carrier wireless base-station receivers (LTE, WCDMA, GSM), software-defined radio platforms, radar and electronic-warfare signal processors, cable-headend downstream aggregation, and broadband test-and-measurement digitizers. For instance, in a multi-carrier LTE receiver, the ADS62P48IRGC25's 210 MSPS rate permits digitization of a 60+ MHz IF block with ample Nyquist headroom. When designing with this part, careful front-end analog design is critical: drive the analog inputs through a differential transformer or fully-differential amplifier to preserve the part's SFDR; place the 1.8 V AVDD decoupling network within millimetres of the supply pins; and route the LVDS clock and data as 100 ohm differential pairs with matched lengths to preserve timing margins. This page synthesises distributor pricing, datasheet-derived specs, drop-in alternatives, and practical design notes not found on a single manufacturer page, giving engineers a one-stop reference for evaluating the ADS62P48IRGC25 in high-speed receiver designs.

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ADS6422IRGC25 - Quad 12-Bit 65MSPS Serial LVDS ADC | Texas Instruments
ADS6422IRGC25

ADS6422IRGC25 - Quad 12-Bit 65MSPS Serial LVDS ADC | Texas Instruments

The Texas Instruments ADS6422IRGC25 is a quad-channel, 12-bit, 65-MSPS pipelined analog-to-digital converter with serialized LVDS outputs, housed in a 64-pin VQFN (RGC) 9x9 mm package. The device features 4 differential input channels, an integrated sample-and-hold, and a 1-wire or 2-wire serialized LVDS interface that minimizes board routing density in multi-channel systems. Power consumption is approximately 500 mW per channel at 65 MSPS, balanced against SNR and SFDR performance typical of the ADS642x family. An analog-to-digital converter (ADC) is a semiconductor device that converts continuous analog signals into discrete digital codes for processing by DSPs, FPGAs, or microcontrollers. Pipeline ADCs use a multi-stage architecture to achieve high sampling rates while maintaining low latency per stage, occupying the mid-tier between successive-approximation (SAR) ADCs (low speed, high accuracy) and flash ADCs (very high speed, low resolution). The ADS6422 belongs to the ADC hierarchy: pipeline ADC -> ADC -> data converter -> mixed-signal IC -> semiconductor. Key features of the ADS6422 include 65 MSPS sample rate (also offered as 80 MSPS in ADS6423 and 105 MSPS in ADS6424), programmable 3.5 dB coarse gain option, internal reference, and 12-bit resolution with serialized LVDS outputs that reduce the number of board-level interconnects. The 64-pin VQFN package provides a compact footprint suitable for high-density designs requiring multiple simultaneous sampling channels. Typical applications include medical imaging systems (ultrasound), communications infrastructure (baseband receivers), test and measurement instrumentation, and multichannel data acquisition. The 4-channel simultaneous sampling architecture is particularly suited to phased-array or beam-forming applications where channel-to-channel matching is critical. When designing with this device, ensure the LVDS output termination follows the JESD8B standard and decouple AVDD/AVSS with low-ESR ceramic capacitors placed as close to the supply pins as possible. The serialized LVDS interface simplifies PCB routing but requires careful length matching to preserve timing margins. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone, providing an actionable engineering reference for selecting the ADS6422IRGC25 in new designs.

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ADS6423IRGC25 - Quad 12-Bit 80MSPS ADC w/ Serial LVDS | TI
ADS6423IRGC25

ADS6423IRGC25 - Quad 12-Bit 80MSPS ADC w/ Serial LVDS | TI

The Texas Instruments ADS6423IRGC25 is a quad-channel, 12-bit, 80-MSPS pipelined analog-to-digital converter with serialized LVDS outputs, packaged in a 64-pin VQFN (RGC) measuring 9 mm × 9 mm. It belongs to the ADS642X family (ADS6424/ADS6423/ADS6422) which offers 105/80/65 MSPS speed grades for flexible performance scaling. A pipelined ADC is a high-speed converter architecture that resolves the input signal in successive low-resolution stages (typically 1.5 bits per stage), combining speed with low power. The ADS6423IRGC25 sits within the broader hierarchy: ADC -> data converter -> signal chain IC -> mixed-signal semiconductor. Its serialized LVDS interface reduces board-routing complexity, making it suitable for multi-channel systems where parallel CMOS buses would consume excessive FPGA pins. Key features include 12-bit resolution, four simultaneously sampling input channels, 80 MSPS sample rate, internal dither for improved SFDR, and a flexible serialized LVDS output that supports both 1-wire and 2-wire modes. The wideband analog input (-2 V to +2 V differential) is suited for direct IF sampling in communications receivers. The architecture uses a switched-capacitor pipelined front end followed by LVDS serialization, achieving typical SFDR > 80 dBc and SNR ~70 dBFS at 80 MSPS with a 30 MHz input. The serialized LVDS interface reduces board traces between the ADC and FPGA/ASIC, critical for high-density multi-channel designs such as ultrasound beamformers and broadband wireless receivers. Typical applications include medical ultrasound imaging, broadband wireless base-station receivers, software-defined radio (SDR), and multi-channel test and measurement equipment. The four simultaneous sampling channels enable phase-coherent acquisition, essential for phased-array beamforming and MIMO systems. When designing with this device, ensure the analog input network is matched to the ADC's switched-capacitor front-end; a differential transformer or active driver with proper termination optimizes SFDR. Place LVDS output traces with 100 ohm differential impedance and keep them short to minimize EMI. This page synthesizes distributor pricing, drop-in alternatives drawn from the same ADS642X family, and practical design notes not found in the manufacturer datasheet.

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ADS6423IRGCR - Quad 12-Bit 80MSPS Serial LVDS ADC | TI
ADS6423IRGCR

ADS6423IRGCR - Quad 12-Bit 80MSPS Serial LVDS ADC | TI

The Texas Instruments ADS6423IRGCR is a quad-channel, 12-bit, 80-MSPS pipelined analog-to-digital converter (ADC) with serialized LVDS outputs, housed in a 64-pin VQFN (RGC) package measuring 9 mm × 9 mm. Per the manufacturer datasheet, the device supports four simultaneous sampled inputs at 80 MSPS, an internal reference, and serial LVDS (1-wire and 2-wire) interface options. The serialized LVDS outputs reduce board-routing complexity, enabling high system integration density in compact multi-channel designs. Three speed grades exist within the family: ADS6424 at 105 MSPS, ADS6423 at 80 MSPS, and ADS6422 at 65 MSPS, all pin-compatible. An ADC (analog-to-digital converter) is a semiconductor device that samples continuous analog input voltages and converts them into discrete digital codes. Pipelined ADCs use a cascade of low-resolution stages with inter-stage residue amplifiers to achieve high sampling rates while maintaining good linearity; the ADS6423 follows this architecture to deliver 80 MSPS across four independent channels. Within the broader power and signal chain, the ADC sits between analog front-ends (amplifiers, anti-alias filters) and an FPGA or ASIC that processes the digital data. Key specifications include 12-bit resolution, 80 MSPS sampling rate, serialized LVDS digital interface, internal 3.5-dB coarse gain option for improved SFDR at high input frequencies, and a 3.3-V analog and digital supply. No external decoupling is required for the internal references, simplifying PCB layout. The 64-pin VQFN package integrates dense LVDS routing and provides a thermal pad for dissipation under multi-channel full-rate operation. With 12-bit resolution and 80 MSPS sampling, the ADS6423IRGCR suits medical imaging front-ends, multi-channel communications receiver IF digitizers, radar signal acquisition, and industrial test instrumentation. Compared to dual-channel ADCs, the four-channel integration cuts board area, channel-to-channel skew, and per-channel cost. Compared to lower-speed SAR ADCs, the pipelined 80 MSPS architecture captures wideband modulated signals with minimal aperture jitter. When designing with this part, route the LVDS pairs with controlled 100-ohm differential impedance, decouple AVDD and DVDD with 1 µF and 0.1 µF ceramics close to the pins, and tie the exposed thermal pad to a solid ground plane to keep junction temperature within the -40 °C to +85 °C operating range. Buffer or transform-couple analog inputs to keep common-mode voltage within the input common-mode range. This page combines manufacturer datasheet specifications, distributor pricing tiers, and a same-family drop-in analysis to help engineers select pin-compatible ADCs for compact multi-channel systems at 80 MSPS.

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ADS6424IRGC25 - 12-Bit Quad 105MSPS ADC, Serial LVDS | TI
ADS6424IRGC25

ADS6424IRGC25 - 12-Bit Quad 105MSPS ADC, Serial LVDS | TI

The Texas Instruments ADS6424IRGC25 is a 12-bit, 4-channel pipelined analog-to-digital converter sampling at 105 MSPS with a serial LVDS interface, housed in a 64-pin VQFN (RGC) 9x9 mm package. It belongs to the ADS642X family which includes the ADS6422 (65 MSPS), ADS6423 (80 MSPS), and ADS6424 (105 MSPS) speed grades, all sharing the same 64-pin QFN footprint for seamless migration across sample-rate options. An ADC (analog-to-digital converter) is a data conversion integrated circuit that quantizes continuous analog input signals into discrete digital codes for downstream DSP, FPGA, or ASIC processing. Pipelined ADCs use a multistage architecture to achieve high sampling rates while keeping per-stage comparator power low, making them the dominant architecture for 10-16 bit converters operating at 50 MSPS and above. The ADS6424 sits in the power-management and data-conversion IC hierarchy: ADC -> data converter -> signal chain IC -> semiconductor. Key features include 105 MSPS maximum sample rate, 12-bit resolution, 4 simultaneous differential/single-ended input channels, serial LVDS data outputs (1-wire or 2-wire modes), and an internal 3.5 dB coarse gain option that improves SFDR performance with minimal SNR trade-off. Per-channel duty-cycle control lets unused channels be powered down to reduce quiescent power. The device operates from a 3.3 V analog supply and 1.8 V digital supply, consuming approximately 480 mW per channel at full speed. The pipelined core uses 6 stages with proprietary error-correction logic, and the LVDS serializer reduces board-routing complexity compared to parallel CMOS interfaces. A 3- or 4-wire SPI-compatible serial interface programs internal registers for gain, channel enable, output mode, and test patterns, allowing in-system configuration without hardware strapping. Typical applications include multi-channel wireless base-station receivers, medical imaging (ultrasound beamformers), radar and lidar front ends, portable test and measurement instruments, and multi-antenna diversity systems. The quad-channel integration reduces board area by approximately 4x compared to four discrete single-channel ADCs of equivalent speed and resolution. Designers should route the LVDS output pairs with controlled 100 ohm differential impedance and place the 1.8 V and 3.3 V decoupling capacitors within 5 mm of their respective supply pins. A continuous ground reference plane under the package thermal pad is required for rated thermal performance; the exposed pad must be soldered to the PCB. This page synthesizes distributor pricing from 3 sources, identifies 5 same-brand drop-in alternatives from the ADS642X family, and provides design notes not found in the standalone manufacturer datasheet.

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ADS6425IRGC25 - Quad 12-Bit 125 MSPS Serial LVDS ADC | Texas Instruments
ADS6425IRGC25

ADS6425IRGC25 - Quad 12-Bit 125 MSPS Serial LVDS ADC | Texas Instruments

The Texas Instruments ADS6425IRGC25 is a quad-channel, 12-bit, 125-MSPS pipelined analog-to-digital converter with serial LVDS interface, housed in a 64-pin VQFN (RGC) package measuring 9 mm x 9 mm. The device integrates four independently configurable ADC channels that share common clock and reference inputs, supporting simultaneous sampling up to 125 MSPS per channel for a combined throughput of 500 MSPS across the quad array. Background Knowledge: An ADC (analog-to-digital converter) is a data converter that translates continuous analog signals into discrete digital codes. Pipelined ADCs specifically use a multi-stage architecture to achieve high sample rates (hundreds of MSPS) while maintaining moderate resolution (10-14 bits), making them the industry standard for high-speed signal acquisition in communications, imaging, and test equipment. Within the converter hierarchy, the ADS6425 sits as: ADC -> pipelined ADC -> high-speed data converter -> data acquisition IC. LVDS (Low-Voltage Differential Signaling) interfaces serialize multi-bit data on differential pairs, dramatically reducing PCB trace count versus parallel CMOS outputs. Key features include 12-bit resolution with no missing codes, integrated input buffers that accept single-ended or differential analog inputs, an internal reference, and a flexible serial LVDS output interface that supports one-, two-, or four-lane modes per channel. The device operates from a single 3.3 V analog supply and a 1.8 V digital supply, providing low power dissipation suitable for high-density system designs. The four channels share a common reference and clock network, simplifying synchronization in multi-channel applications. From an architectural standpoint, the ADS6425 uses TI's proprietary pipelined architecture with proprietary calibration to deliver excellent linearity (DNL and INL in the sub-LSB range) and low spurious content. The serial LVDS interface reduces board complexity by collapsing parallel data buses into a small number of differential pairs, freeing board area for analog signal conditioning and easing routing constraints in dense multi-channel layouts. Typical applications include medical imaging (ultrasound beamformers and MRI receivers), multi-channel communications test equipment, phased-array radar digitizers, and high-end industrial inspection systems. Designers choose the ADS6425 when four correlated channels at 12-bit/125 MSPS in a single compact package reduce system size, BOM cost, and inter-channel skew. Design consideration: pay close attention to PCB layout for the analog input traces and the LVDS output pairs. Use matched-length differential routing for LVDS, place decoupling capacitors immediately adjacent to each supply pin, and keep analog/digital grounds separated until they join at a single point beneath the exposed thermal pad. The thermal pad must be soldered to the PCB ground plane for thermal dissipation and electrical reference stability. This page synthesizes distributor pricing, verified drop-in alternatives within the same VQFN-64 footprint, and practical PCB thermal notes not found in the manufacturer datasheet alone.

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ADS6425IRGCR - 12-Bit 125MSPS Quad-Channel ADC | Texas Instruments
ADS6425IRGCR

ADS6425IRGCR - 12-Bit 125MSPS Quad-Channel ADC | Texas Instruments

The Texas Instruments ADS6425IRGCR is a 12-bit, 4-input pipelined analog-to-digital converter (ADC) with a maximum sampling rate of 125 MSPS per channel, housed in a 64-pin VQFN (9x9 mm) package. The device supports simultaneous sampling across four differential input channels and delivers serialized LVDS data outputs to minimize interface pin count. It operates from a single 3.3 V analog supply and a separate 1.8 V digital supply, providing low power consumption suitable for high-density multi-channel systems. An analog-to-digital converter (ADC) is a data acquisition integrated circuit that converts continuous analog signals into discrete digital codes for downstream processing by DSPs, FPGAs, or microcontrollers. As a pipelined ADC, the ADS6425IRGCR uses a multi-stage architecture that converts input voltages through successive gain stages, with on-chip digital error correction, enabling high sampling rates while maintaining 12-bit linearity. Within the broader data converter hierarchy, this part belongs to the power-efficient, high-speed, multi-channel ADC category commonly used in communications, medical imaging, and industrial test systems. Key performance features include 12-bit resolution, four differential input channels, 125 MSPS sampling per channel, LVDS serialized outputs with selectable doublets/quadruplets, an internal sample-and-hold, and an integrated clock stabilizer. The pipelined architecture provides low latency on the order of a few clock cycles and supports fine gain and offset adjustment per channel through dedicated registers. The serialized LVDS interface allows multiple ADCs to share a common FPGA data bus, simplifying board layout and reducing FPGA pin count. The internal reference and high-impedance analog inputs simplify external signal conditioning, while the exposed thermal pad of the VQFN package provides a low theta-JA thermal path for reliable operation across the -40C to +85C industrial temperature range. Typical applications for the ADS6425IRGCR include wireless communications base-station receivers, medical ultrasound beamformers, multi-channel data acquisition systems, radar and lidar front ends, and test and measurement instrumentation where simultaneous sampling of multiple channels is required. When designing with this device, ensure clean analog input routing, adequate input bandwidth, and proper bypass of the 3.3 V AVDD and 1.8 V DVDD rails. The LVDS output pairs require 100 ohm differential termination at the receiver side for reliable high-speed operation. This page synthesizes distributor pricing, drop-in alternatives within the same VQFN-64 (RGC) footprint, and practical design notes not found in the manufacturer datasheet alone.

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ADS6443IRGCR - Quad 14-Bit 80-MSPS ADC, Serial LVDS | TI
ADS6443IRGCR

ADS6443IRGCR - Quad 14-Bit 80-MSPS ADC, Serial LVDS | TI

The Texas Instruments ADS6443IRGCR is a quad-channel, 14-bit, 80-MSPS pipelined analog-to-digital converter (ADC) with serialized LVDS outputs, housed in a 64-pin VQFN (RGC) 9x9 mm package. The ADS6443 belongs to TI's ADS644X family, which is offered in 125/105/80/65 MSPS speed grades, providing a scalable platform for multi-channel data acquisition designs that require high dynamic performance and a low pin-count serial interface. An ADC (analog-to-digital converter) is a mixed-signal integrated circuit that samples continuous analog voltages and converts them into discrete digital codes at a specified sample rate. High-speed pipelined ADCs like the ADS6443 sit in the signal chain between analog front-ends (amplifiers, filters, muxes) and downstream digital processing blocks such as FPGAs, DSPs, or application-specific processors. LVDS-serialized outputs reduce channel count and simplify board routing, which is critical in dense multi-channel systems such as ultrasound, radar, and communications test equipment. Key features include 14-bit resolution, 80 MSPS maximum sample rate per channel, quadruple simultaneously-sampling channels, serialized LVDS digital interface with one or two lanes per channel, low-latency digital processing, internal references with external-reference option, and programmable gain. According to TI's datasheet, the part maintains spurious-free dynamic range (SFDR) and signal-to-noise ratio (SNR) suitable for direct-IF and baseband sampling in communications and imaging systems. The wide 80-MSPS operating window plus 14-bit precision makes the device attractive where board area and channel density outweigh absolute peak speed. The pipelined architecture uses successive low-resolution stages with sample-and-hold between stages, achieving high sample rates without sacrificing bit accuracy. The serialized LVDS output minimizes FPGA pin usage by sending each channel's MSB/LSB data over one or two differential pairs instead of 14 parallel CMOS lines, freeing board area and reducing EMI coupling. Typical applications include multi-channel ultrasound imaging, communications receiver IF sampling, radar baseband digitization, medical imaging signal chains, phased-array antenna systems, and portable test and measurement instrumentation. When selecting within the ADS644X family, choose the -80 variant for power-sensitive designs and the -125 variant when maximum sample rate is the binding constraint.

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ADS6444IRGC25 - Quad 14-bit 105MSPS ADC, Serial LVDS | TI
ADS6444IRGC25

ADS6444IRGC25 - Quad 14-bit 105MSPS ADC, Serial LVDS | TI

The Texas Instruments ADS6444IRGC25 is a quad-channel, 14-bit, 105 MSPS pipelined analog-to-digital converter with serialized LVDS outputs, housed in a 64-pin VQFN (9 mm x 9 mm) package with exposed thermal pad. It belongs to the ADS644x family (ADS6445 125 MSPS / ADS6444 105 MSPS / ADS6443 80 MSPS / ADS6442 65 MSPS), shares a pin-compatible 12-bit family (ADS642x) and the feature-compatible dual-channel ADS624x/ADS644x family, and operates from a single 3.3 V analog and digital supply. What is a pipelined ADC? A pipelined analog-to-digital converter is a high-speed data-converter architecture that uses multiple cascaded low-resolution stages to digitize an analog signal at sample rates from tens to hundreds of megasamples per second. Pipelined ADCs sit below flash converters in speed but above successive-approximation (SAR) converters, and dominate in communications infrastructure, medical imaging, and test-and-measurement applications where both high sampling rate and moderate-to-high resolution are required. Key features include 4 differential analog inputs, simultaneous sampling of all four channels, programmable 1-wire or 2-wire LVDS serialization that minimizes board-routing congestion, internal reference with no external decoupling required, and an industry temperature grade of -40 C to +85 C. The integrated serialization stage reduces the digital pin count and simplifies FPGA capture, which is essential when routing hundreds of differential traces between the ADC and the downstream ASIC/FPGA. Architecturally, each channel uses a switched-capacitor pipelined front end followed by digital error correction and a serializer block that emits LVDS-compatible data. The serialized data interface allows the device to present four channels of high-speed data over as few as four differential pairs instead of 56 CMOS parallel lines, drastically reducing FPGA pin count and PCB layer requirements. Typical applications include base-station IF receivers, diversity receivers in multi-antenna systems, medical imaging front ends, and high-speed test and measurement equipment. In these systems the ADS6444IRGC25 typically digitizes intermediate-frequency signals at IF frequencies up to about 200 MHz while maintaining 14-bit resolution. Designers should pay attention to the LVDS output timing budget and the layout of the four differential data pairs to the receiving FPGA. Maintain a solid ground plane under the exposed thermal pad, stitch vias around the perimeter of the pad for thermal relief, and route the analog inputs as 50-ohm controlled-impedance differential pairs to preserve SNR. This page synthesizes distributor pricing, drop-in same-family alternatives, and practical layout notes that go beyond the manufacturer datasheet.

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ADS6445IRGC25 - 14-Bit Quad 125MSPS LVDS ADC | Texas Instruments
ADS6445IRGC25

ADS6445IRGC25 - 14-Bit Quad 125MSPS LVDS ADC | Texas Instruments

The Texas Instruments ADS6445IRGC25 is a quad-channel, 14-bit, 125 MSPS analog-to-digital converter (ADC) with serialized LVDS outputs, housed in a 64-pin VQFN (RGC) PowerPAD package measuring 9x9 mm. It belongs to TI's ADS644x family alongside the 105/80/65 MSPS ADS6444, ADS6443 and ADS6442, all sharing the same pinout, package and serial LVDS interface for design reuse across speed grades. An analog-to-digital converter (ADC) is a mixed-signal integrated circuit that samples continuous analog voltages and quantizes them into discrete digital codes for downstream DSP, microcontrollers or FPGAs. Pipeline ADCs like the ADS6445 use a multi-stage switched-capacitor architecture that delivers high sampling rates with low latency, suitable for simultaneous-sampling multi-channel systems such as communications transceivers, medical imaging front-ends and radar digitizers. The ADS6445 integrates four pipelined ADC cores with on-chip reference, programmable gain, and a low-voltage differential signaling (LVDS) serializer that reduces the parallel bus to one or two serial lanes per channel. Each channel supports 125 MSPS at 14-bit resolution with excellent linearity and spurious-free dynamic range; users can trade speed for power by clocking lower when the full 125 MSPS is not needed. The LVDS interface simplifies board routing and minimizes EMI compared with parallel CMOS outputs at this pin count. Typical applications include wireless base-station receivers (LTE, GSM, multi-carrier), test-and-measurement digitizers, medical ultrasound beamformers, multi-channel oscilloscopes, software-defined radio (SDR) and radar/lidar signal chains. The simultaneous-sampling architecture preserves phase relationships between channels, which is critical for beamforming and I/Q demodulation. When designing with this part, ensure the LVDS receiver is LVDS-compliant (e.g., TI SN65LVDS series) and provide clean analog and clock supplies; decoupling follows the datasheet recommended footprint. The exposed thermal pad (PowerPAD) must be soldered to a sufficient copper pour to keep junction temperature within the -40C to +85C industrial range. Use the serialized 1-wire/2-wire mode selection to trade wire count against latency. This page synthesizes distributor pricing, drop-in same-family alternatives and design notes not consolidated in the manufacturer datasheet, helping engineers select between ADS6442/43/44/45 speed grades and validate footprint-compatible alternatives.

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ADS7042 - 12-Bit 1-MSPS Ultra-Low-Power SAR ADC | TI
ADS7042

ADS7042 - 12-Bit 1-MSPS Ultra-Low-Power SAR ADC | TI

The Texas Instruments ADS7042 is an ultra-low-power, ultra-small 12-bit, 1-MSPS analog-to-digital converter (ADC) available in 8-pin VSSOP (DGK) and X2QFN (RUG) packages. It operates from a single 1.65V to 3.6V analog supply (AVDD) and a separate 1.65V to 3.6V digital supply (DVDD), enabling direct interfacing to low-voltage microcontrollers and DSPs. An ADC (analog-to-digital converter) converts continuous analog signals into discrete digital values. The ADS7042 is a SAR (successive-approximation register) ADC, a data-converter architecture that uses a binary search with a capacitor-based DAC to approximate the input voltage, offering an excellent balance of speed, resolution, and power efficiency within the broader mixed-signal IC hierarchy. SAR ADCs with inherent sample-and-hold circuits eliminate the need for an external sample-and-hold amplifier. Key features include 12-bit resolution at 1 MSPS, ultra-low power consumption (typically 0.3 mW at 1 MSPS), a wide analog input range defined by AVDD (0V to AVDD), and a power-down mode that further reduces current draw during idle periods. The SPI-compatible serial interface is controlled by CS and SCLK signals, with the interface supporting fast serial clocking for high data throughput. Technically, the ADS7042 uses a charge-redistribution SAR architecture with a capacitor DAC that performs the sampling function internally. Power consumption scales with sampling rate, making the device highly efficient in low-throughput, duty-cycled systems. An external reference can be applied for improved accuracy in precision measurement designs. Typical applications include battery monitoring, portable instrumentation, industrial process control, sensor interfaces (temperature, pressure), and medical devices. Its miniature form factor and extremely low power consumption make it especially suitable for space-constrained, battery-powered products such as wearables and wireless sensor nodes. Design consideration: keep the analog input within 0V to AVDD at all times, decouple AVDD and DVDD each with 0.1uF ceramic capacitors placed close to the pins, and use a low-impedance source or buffer amplifier to preserve AC performance.

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ADS7066 - 16-Bit 8-Ch 250kSPS SAR ADC | Texas Instruments
ADS7066

ADS7066 - 16-Bit 8-Ch 250kSPS SAR ADC | Texas Instruments

The Texas Instruments ADS7066 is a small, 16-bit, 8-channel, high-precision successive-approximation register (SAR) analog-to-digital converter (ADC) sampling at up to 250 kSPS. It integrates a capless 2.5-V internal reference, a reference buffer, and a low-dropout regulator (LDO), dramatically reducing external component count and total solution size. The device is available in a 16-pin WQFN (3x3 mm) package and a 16-ball DSBGA (1.62 mm x 1.62 mm) wafer-level chip-scale package. An ADC (analog-to-digital converter) converts continuous analog signals into discrete digital values for digital processing. SAR ADCs are a dominant ADC architecture for industrial, medical, and automotive systems where high precision at moderate speed is required, balancing resolution, speed, and power. The ADS7066 belongs to the precision data converter family that bridges the analog world to digital signal processing. Key features include eight channels configurable as any combination of analog inputs, digital inputs, or digital outputs (GPIOs), programmable averaging filters that improve effective resolution and reduce noise, and an SPI interface for simple integration with MCUs and DSPs. The integrated capless 2.5-V reference eliminates external reference components, saving board space and cost. Technically, the ADS7066 uses a high-performance SAR core with a capless reference and reference buffer that isolates the reference from the sampling capacitor, maintaining accuracy at full throughput. It operates from a single 3.0-V to 3.6-V supply with low power consumption and a wide operating temperature range of -40C to +125C for industrial environments. GPIO functionality can control external components, replacing discrete I/O expanders. Typical applications include motor control current and voltage sensing, industrial process control and data acquisition (DAQ), and portable or battery-powered instrumentation where small size and low power matter. The high channel count and configurability allow a single chip to replace multiple discrete ADCs and GPIO devices. When designing with the ADS7066, decouple the supply properly, keep analog input traces short to minimize noise, and isolate the SPI bus from noisy digital lines. For the DSBGA package, use careful reflow soldering per TI mounting recommendations.

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ADS7067 - 16-Bit 8-Channel 800kSPS SAR ADC | Texas Instruments
ADS7067

ADS7067 - 16-Bit 8-Channel 800kSPS SAR ADC | Texas Instruments

The Texas Instruments ADS7067 is a small, 16-bit, 8-channel, high-precision successive-approximation register (SAR) analog-to-digital converter (ADC) with an integrated capless reference and reference buffer, housed in a wafer-level chip-scale 16-DSBGA package measuring just 1.62 mm x 1.62 mm. An ADC (analog-to-digital converter) is a mixed-signal device that converts continuous analog voltages into discrete digital codes for digital processing. SAR ADCs are a key subcategory of data converters, using a binary-search algorithm with a capacitive DAC to achieve high resolution and speed at low power. The ADS7067 sits within the precision data-acquisition hierarchy: SAR ADC -> data converter -> mixed-signal IC -> semiconductor. Key features include 16-bit resolution, 8 multiplexed input channels, and up to 800 kSPS throughput. The integrated capless reference and reference buffer eliminate external reference decoupling, dramatically reducing solution size and BOM count - a decisive advantage in wafer-level-chip-scale designs. Four GPIO pins add configurable digital I/O and alarm functionality without an external MCU expander. Architecturally, the ADS7067 uses a capacitive DAC with a precision comparator for excellent linearity and low noise. The SPI-compatible serial interface supports daisy-chaining and multi-device configurations, easing integration with microcontrollers and FPGAs in distributed sensing systems. Typical applications include motor-control current-loop sensing, power monitoring, industrial process control, and battery-powered IoT sensors. The 1.62 x 1.62 mm footprint fits directly under or beside shunt-based sensing circuits, while 800 kSPS throughput captures fast transients in control loops. Design tip: decouple AVDD and DVDD with 0.1 uF plus 1 uF ceramics placed close to the balls; although the reference is capless, follow datasheet layout guidance for the REF node to preserve 16-bit noise performance.

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ADS774JEG4 - 12-Bit 117kSPS SAR ADC, 28-PDIP | Texas Instruments
ADS774JEG4

ADS774JEG4 - 12-Bit 117kSPS SAR ADC, 28-PDIP | Texas Instruments

The Texas Instruments ADS774JEG4 is a 12-bit successive-approximation analog-to-digital converter (SAR ADC) with a 117 kSPS sampling rate, offered in a 28-pin PDIP through-hole package. It features a single analog input channel with parallel microprocessor-compatible output and operates from a +5 V supply, providing a complete sampling A/D solution with on-chip reference, clock and bus interface. An ADC (analog-to-digital converter) is a data-conversion integrated circuit that translates a continuous analog voltage into a discrete digital code word. SAR ADCs use a binary-search successive-approximation register driven by an internal DAC to resolve one bit per clock cycle, achieving a favorable balance of speed, resolution, and power dissipation. The ADS774 belongs to the data-acquisition IC hierarchy (ADC -> data converter -> signal-chain IC -> semiconductor) and is widely deployed in industrial control and instrumentation systems where 12-bit resolution at audio-bandwidth sampling is sufficient. Key specifications include 12-bit resolution, 117 kHz maximum sampling rate, ±1 LSB linearity (max), on-chip 2.5 V reference, and three-state outputs for direct connection to microprocessor data buses. The device supports both unipolar (0 V to 5 V, 0 V to 10 V) and bipolar (±5 V, ±10 V) input ranges via strap options and accepts bipolar inputs up to ±10 V without external protection components. Typical applications for the ADS774JEG4 include industrial process-control front ends, multi-channel data-acquisition boards with multiplexers, digital-signal-processor front ends, and replacement upgrades for legacy ADC574/ADC674/ADC774 designs. Its wide industrial temperature range of -40 °C to +85 °C and ceramic/PDIP packaging make it suitable for harsh environments and through-hole assembly lines. When designing with this device, ensure that the input-signal source impedance is below the datasheet limit and that the +5 V supply is well decoupled with a 10 µF tantalum in parallel with a 0.1 µF ceramic placed within 50 mm of the supply pin. The output data lines fan directly to a microprocessor or DSP data bus and must be selected using CS and RD strobes per the bus-timing diagram. This page synthesizes verified datasheet parameters, current distributor pricing (as of 2026-10-12), pin-compatible drop-in alternatives and PCB design notes that go beyond a single-source datasheet summary to help engineers select and source the ADS774JEG4 quickly.

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ADS7800KPG4 - 12-Bit 333kSPS SAR ADC, 24-PDIP | Texas Instruments
ADS7800KPG4

ADS7800KPG4 - 12-Bit 333kSPS SAR ADC, 24-PDIP | Texas Instruments

The Texas Instruments ADS7800KPG4 is a 12-bit, 333 kSPS successive-approximation analog-to-digital converter (SAR ADC) housed in a 24-pin plastic DIP (0.300 inch, 7.62 mm) package. It is specified over the commercial 0°C to +70°C temperature range and operates from a single +5 V supply plus an auxiliary -12 V or -15 V supply. Key specifications include a maximum sampling rate of 333 kSPS (equivalent to a 3 µs conversion time per the datasheet), ±1 LSB linearity (K-grade), and a parallel data interface suitable for direct connection to microprocessors and DSPs. An SAR ADC is a successive-approximation-register analog-to-digital converter, a class of precision data converter that uses a binary-search algorithm against an internal DAC to digitize an input voltage one bit at a time within a fixed conversion window. SAR ADCs occupy the middle of the data-converter hierarchy between flash (fastest, lowest resolution) and sigma-delta (highest resolution, slowest); they deliver a useful blend of speed, resolution, and low latency that makes them ideal for multiplexed data acquisition, industrial control, and instrumentation front-ends. The ADS7800KPG4 features three analog input ranges (0 V to 5 V, 0 V to 10 V, and ±5 V to ±10 V with appropriate scaling), a sample-and-hold on the front end, and an internal +2.5 V reference. An optional external reference may be applied for system calibration. Throughput is rated at 333 k samples per second, enabling the part to digitize signals in audio bandwidth and process-control applications. Typical applications include multichannel data-acquisition systems, industrial process control, precision instrumentation, and digital signal processing front-ends. Designers value the part for its easy microprocessor interface, robust sampling rate, and wide analog input range flexibility. Designers should observe standard SAR ADC practices: drive the analog input with a low-impedance buffer, decouple supplies near the pins, and keep digital returns separate from analog returns.

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ADS7800KU/1K - 12-Bit 333kSPS SAR ADC | Texas Instruments
ADS7800KU/1K

ADS7800KU/1K - 12-Bit 333kSPS SAR ADC | Texas Instruments

The ADS7800KU/1K is a 12-bit successive approximation register (SAR) analog-to-digital converter (ADC) from Texas Instruments, offering a sampling rate of 333 kSPS. It features a complete 12-bit ADC with internal sample-and-hold, reference, clock, and a digital interface for microprocessor control, packaged in a 24-pin SOIC. The device operates from a +5V supply and either a -12V or -15V supply, with standard ±10V and ±5V input ranges. An ADC (analog-to-digital converter) is an electronic component that converts continuous analog signals into discrete digital numbers, enabling digital processing of real-world signals. The ADS7800 is a SAR-type ADC, which uses a binary search algorithm to determine the digital output, offering a good balance of speed, resolution, and power consumption. SAR ADCs are widely used in data acquisition systems, industrial control, and medical instrumentation where moderate speed and high accuracy are required. Key features of the ADS7800KU/1K include 12-bit resolution, 333k samples per second, standard ±10V and ±5V input ranges, and DC performance suitable for precision applications. The device is available in a 24-pin SOIC package, which is suitable for surface-mount assembly. It operates over the commercial temperature range of 0°C to +70°C, making it suitable for most industrial and consumer applications. The ADS7800 uses state-of-the-art CMOS structures, providing low power consumption and high reliability. It includes an internal sample-and-hold circuit, eliminating the need for external track-and-hold components. The digital interface supports microprocessor control with three-state output drivers, allowing easy connection to digital buses. The device also features a conversion time of 2.7 µs, enabling high-speed data acquisition. Typical applications for the ADS7800KU/1K include industrial control systems, medical instrumentation, and automotive systems requiring precise signal processing. Its high sampling rate and 12-bit resolution make it suitable for applications such as motor control, power monitoring, and data acquisition systems. The device's standard input ranges simplify interface with sensors and transducers. When designing with the ADS7800KU/1K, ensure proper decoupling of the power supplies and reference to achieve optimal performance. The device requires a +5V supply and a negative supply (-12V or -15V), which should be well-regulated and filtered. The analog input should be driven with a low-impedance source to avoid sampling errors.

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ADS7805PB - 16-Bit 100kHz SAR ADC, ±10V, 28-PDIP | Texas Instruments
ADS7805PB

ADS7805PB - 16-Bit 100kHz SAR ADC, ±10V, 28-PDIP | Texas Instruments

The Texas Instruments ADS7805PB is a 16-bit, 100 kHz successive-approximation (SAR) analog-to-digital converter with a standard ±10 V input range, 86 dB SINAD, and a complete on-chip sample-and-hold, reference, clock, and parallel microprocessor interface, all housed in a 28-pin PDIP (N) package. It accepts a single ±10 V or 0–4 V analog input and delivers 16-bit parallel data in a single 10 µs conversion cycle, making it a drop-in choice for industrial process control and data acquisition boards. A successive-approximation register (SAR) ADC is a class of precision converter that uses a binary-search algorithm against an internal capacitor-based charge-redistribution DAC to determine each bit of the output code one cycle at a time. SAR ADCs are valued in the broader data-converter hierarchy for combining 14–18 bit resolution, no pipeline latency, and excellent DC accuracy with moderate (tens to hundreds of kSPS) throughput. The ADS7805 family sits between slower integrating converters (e.g., AD7730) and high-speed pipeline ADCs (e.g., ADS62Pxx), making it a workhorse for industrial signal acquisition. Key specifications of the ADS7805PB include 100 kHz minimum sampling rate, ±10 V bipolar or 0–4 V unipolar input range, 86 dB minimum SINAD at 20 kHz input, low 10 µs typical conversion time, internal 2.5 V reference (with option for external reference), and 3-state parallel outputs for direct µP/microcontroller bus connection. The 28-pin PDIP (N) plastic DIP package supports through-hole assembly, breadboard prototyping, and legacy card cages that still require socketed parts. Architecturally, the ADS7805PB uses CMOS capacitor-based charge-redistribution techniques for both the SAR DAC and the sample-and-hold function, eliminating the need for external trimming. The internal clock, reference, and self-calibration logic keep the part simple to apply while still achieving ±1 LSB linearity and low aperture uncertainty. Typical applications include industrial process control (PLC analog input modules), multi-channel data-acquisition systems, precision instrumentation, weigh-scale and transducer readouts, and legacy medical/analytical instrument front-ends. The wide ±10 V input range lets designers connect directly to ±10 V industrial transmitters without external signal conditioning. When designing with this ADC, place a 10 µF tantalum and 0.1 µF ceramic bypass close to the +VCC and -VCC supply pins; the internal reference also benefits from a 10 µF tantalum at REF. Decoupling and a clean analog ground are essential to hit the 86 dB SINAD specification in noisy industrial environments. This page synthesizes distributor pricing, drop-in same-package alternatives, and PCB/grounding design notes specific to the ADS7805PB that are not collected on any single manufacturer or distributor page.

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ADS7805PG4 - 16-Bit 100kSPS SAR ADC | Texas Instruments
ADS7805PG4

ADS7805PG4 - 16-Bit 100kSPS SAR ADC | Texas Instruments

The Texas Instruments ADS7805PG4 is a 16-bit, 100 kSPS successive-approximation analog-to-digital converter (SAR ADC) housed in a 28-pin PDIP (through-hole DIP) package. It integrates a sample-and-hold, precision reference, calibration circuitry, and a high-speed parallel output interface on a single CMOS die, with a standard ±10 V input range and 5 V nominal analog supply. An SAR ADC is a type of analog-to-digital converter that uses a binary-search successive-approximation algorithm against an internal precision DAC. SAR ADCs sit in the converter hierarchy between flash converters (fastest, lowest resolution) and sigma-delta converters (slowest, highest resolution), making them ideal for medium-speed, medium-resolution precision measurement. The ADS7805PG4 is widely used in industrial process control, data acquisition systems, and instrumentation where true 16-bit performance at 100 kSPS is required. Key features include 86 dB minimum SINAD at 20 kHz input, ±10 V or 0-4 V / 0-5 V input ranges, an internal 2.5 V reference (externally overridable), single +5 V analog supply operation, and a low-power CMOS design. The parallel output interface provides direct connection to 8-bit, 12-bit, or 16-bit microprocessors with read-only access, simplifying system integration. Architecturally, the device uses a charge-redistribution SAR core with laser-trimmed calibration DACs to achieve ±0.5 LSB linearity after internal self-calibration at power-up. The internal reference and input scaling resistors form a complete signal-conditioning front end, eliminating the need for external precision op-amps in most applications. Typical applications include industrial process control loops, multichannel data acquisition boards, medical instrumentation front ends, and bench-top test equipment. The wide ±10 V input range makes the ADS7805PG4 directly compatible with industrial sensor outputs without additional signal conditioning. When designing with this part, observe the input RC network requirements and the capacitor selection guidance on pins 3 and 4 (REF and CAP) - a 2.2 µF capacitor on each pin is required for noise filtering. For new designs, the datasheet recommends considering the ADS8505 as the active replacement. This page synthesizes distributor pricing, pin-compatible drop-in alternatives, and practical PCB design notes not collected in a single place in the TI datasheet.

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ADS7805UE4 - 16-Bit 100kHz SAR ADC, ±10V Input | Texas Instruments
ADS7805UE4

ADS7805UE4 - 16-Bit 100kHz SAR ADC, ±10V Input | Texas Instruments

The Texas Instruments ADS7805UE4 is a 16-bit, 100 kHz sampling-rate, successive-approximation-register (SAR) analog-to-digital converter (ADC) with a single ±10 V input range and full parallel data output, packaged in a 28-pin SOIC (DW). The 'UE4' suffix indicates tube-packaging, RoHS-compliant lead-free finish with the standard industrial temperature grade. A SAR ADC is a type of data converter that performs a binary search through an internal capacitive digital-to-analog converter (CDAC) to resolve each conversion in N steps for an N-bit result. SAR ADCs offer deterministic latency, no-pipeline-delay sampling, and excellent DC accuracy, which makes them the dominant topology for multiplexed data-acquisition front ends, industrial instrumentation, and precision control loops where the system clock is sample-event driven rather than continuous-stream driven. Key specifications include 100 kHz minimum sampling rate, ±10 V true bipolar input range, 86 dB minimum SINAD at 20 kHz input, ±3.0 LSB maximum INL, 16-bit no-missing-codes performance, single +5 V supply operation, internal or external reference option, and 100 mW maximum power dissipation. The 28-SOIC footprint is pin-compatible with the 12-bit ADS7804, allowing easy upgrade paths. Three-state output drivers permit direct parallel connection to common microprocessors and DSPs. The converter architecture combines a fully differential sample-and-hold, a precision CDAC, a high-speed comparator, and an internal reference clock. The internal reference can be overdriven by an external reference for applications requiring tighter absolute accuracy or ratiometric measurements. The parallel data bus reads out as straight binary for unipolar operation or as two's complement binary when RANGE pin logic is configured for bipolar input. Typical applications include multi-channel data-acquisition systems using analog multiplexers, closed-loop servo control and motor drives, precision weighing scales and process instrumentation, medical patient monitoring front ends, and vibration or sonar analysis systems. The pin-compatible ADS7804 (12-bit) and software-compatible ADS7805 family enable resolution scaling without PCB rework. When designing with the ADS7805, place the supply decoupling capacitors (10 µF tantalum plus 0.1 µF ceramic) within 25 mm of the VDD and GND pins to suppress digital switching transients. The RANGE, BYTESWAP, and input MUX logic pins must be tied to defined logic levels; floating inputs can cause unwanted shoot-through currents in the input protection network. This page consolidates XAIPART distributor pricing tiers, drop-in alternative pin-compatible replacements, and engineering design notes not bundled in the stock manufacturer datasheet, giving a single source for cross-brand substitution, comparison, and procurement decisions.

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ADS7806P - 12-Bit 40kSPS SAR ADC | Texas Instruments
ADS7806P

ADS7806P - 12-Bit 40kSPS SAR ADC | Texas Instruments

The Texas Instruments ADS7806P is a low-power 12-bit sampling CMOS analog-to-digital converter (ADC) that uses a successive-approximation register (SAR) architecture to deliver 40 kSPS throughput in a 28-pin PDIP (P) package. It supports software-configurable input ranges of ±10V, 0V to +5V, and 0V to +4V from a single +5V supply, with both parallel and serial (binary two's-complement or straight binary) data outputs. Key headline specifications include ±1/2 LSB maximum INL and DNL, 72 dB minimum SINAD at 1 kHz input, 25 μs maximum acquisition+conversion time, 35 mW maximum power dissipation, and a power-down mode that drops quiescent draw to 50 μW. An internal 2.5V reference can be used or overridden with an external reference for ratiometric or absolute-accuracy applications. A SAR ADC is a successive-approximation-register converter that uses an internal DAC and comparator to perform a binary search across N clock cycles to resolve a single conversion - this architecture is favored for multiplexed data-acquisition systems because it provides deterministic latency, low power consumption, no pipeline delay, and excellent DC accuracy. The ADS7806P belongs to TI's Burr-Brown ADC legacy family and is pin-compatible with the 16-bit ADS7807, allowing designers to migrate a 12-bit design to higher resolution later by simply swapping the part without changing the PCB layout. Typical applications include industrial process control loops, multi-channel data-acquisition front-ends, factory-automation instrumentation, and test-and-measurement equipment requiring medium-resolution bipolar or unipolar conversion. The wide ±10V input range eliminates the need for external signal-conditioning op-amps in many PLC-style analog input modules. When laying out a PCB for the ADS7806P, keep analog and digital grounds separated and joined only at the AGND/DGND pins of the IC; place the 10 μF bulk and 0.1 μF bypass capacitors as close to the supply pins as possible. Using the internal reference will save two external components but slightly degrades absolute accuracy and temperature drift versus a precision external reference - select based on whether your system needs ratiometric or absolute measurement quality.

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