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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

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

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

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

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

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

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

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

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

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

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

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

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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ADS774JE

ADS774JE - 12-Bit 125 kSPS SAR ADC | Texas Instruments

The Texas Instruments ADS774JE is a 12-bit, single-input successive-approximation analog-to-digital converter with a maximum sampling rate of 125 kSPS, housed in a 28-pin PDIP package. It combines an internal sampling system, capacitive DAC array, voltage reference, clock, and microprocessor-compatible parallel interface in a single converter. According to the manufacturer datasheet, the device operates from a single +5 V supply and can complete conversion in 8.5 microseconds maximum over temperature. A successive-approximation ADC, or SAR ADC, compares the sampled input voltage against a capacitor-based internal DAC and resolves each successive bit until a 12-bit result is available. The ADS774 belongs to the ADC family within the broader signal-chain and data-converter hierarchy. Its microprocessor-compatible interface and integrated reference make it suitable for industrial data acquisition, instrumentation, embedded measurement, and control systems that require deterministic parallel digital output rather than a serial protocol. The converter uses a low-power CMOS implementation with a CDAC array and internal sample-and-hold function. Its 12-bit resolution provides 4096 digital codes across the selected input range. The 125 kSPS sampling capability supports acquisition of rapidly changing analog signals, while the maximum conversion time of 8.5 microseconds defines the rate at which the converter can produce new results. The single +5 V supply architecture simplifies system power design compared with converters requiring multiple rails. The ADS774 family was designed as a replacement for ADC574, ADC674, and ADC774 devices in most applications. Important benefits of this transition include the internal sampling function, lower power consumption, and operation from a single +5 V supply. The ADS774JE is the commercial-grade, 28-pin PDIP ordering option identified by the JE suffix, and the component listing identifies its delivery format as tube. Typical uses include industrial process-control inputs, laboratory measurement equipment, digital panel meters, instrumentation amplifiers, sensor interfaces, and embedded acquisition systems. The parallel output can connect directly to suitable microprocessor or programmable-logic input structures when timing, bus direction, and logic levels are designed correctly. For multiplexed or high-impedance sensors, front-end conditioning and acquisition timing remain important engineering considerations. The principal design task is ensuring that the input remains within the converter's specified analog range and that the sampling interval accommodates the source impedance and acquisition time. Keep input and reference paths short, provide the capacitance required by the manufacturer recommendations, and route digital output transitions away from sensitive analog nodes. Confirm package pin assignments and timing requirements against the manufacturer datasheet before finalizing a PCB or firmware interface. This page organizes the core electrical characteristics, verified manufacturer resources, family alternatives, interface guidance, and design considerations for engineers evaluating the ADS774JE. It is intended to support design decisions without replacing the complete manufacturer datasheet, particularly for pin-level wiring, absolute maximum ratings, timing margins, and legacy-converter migration decisions.

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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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ADS774JP

ADS774JP - 12-Bit 125 kSPS SAR ADC | Texas Instruments

Texas Instruments ADS774JP is a 12-bit, single-channel successive-approximation analog-to-digital converter (SAR ADC) with a conversion time of 8.5 microseconds, a maximum sampling rate of 125 kSPS, and a 28-pin PDIP package. The device supports unipolar and bipolar input ranges, uses a parallel microprocessor interface, and includes an internal reference, internal sampling, and clock circuitry. An SAR ADC is a sampling data-conversion device that compares the sampled input voltage against an internal capacitor DAC during each conversion. The ADS774JP uses a capacitor array implemented in low-power CMOS technology to perform successive comparisons. Its integrated sampling and microprocessor interface simplify analog acquisition while reducing the external component count compared with older converter families such as ADC574, ADC674, and ADC774. The principal operating characteristics include 12-bit resolution, one analog input channel, 8.5 microseconds maximum conversion time, and operation from a single +5 V supply. According to the manufacturer datasheet, the ADS774 family can replace ADC574, ADC674, and ADC774 models in most applications while providing internal sampling and lower power consumption. These characteristics make it suitable for industrial data acquisition, process control, instrumentation, and microprocessor-based measurement systems. The internal sampling architecture eliminates a separate sample-and-hold circuit in most applications. The parallel interface provides direct connection to microprocessor or microcontroller input ports, allowing converted codes to be read through digital bus lines. The converter is intended for designs requiring repeatable single-ended or bipolar acquisition rather than the throughput of very high-speed pipeline ADCs. Designers should use the manufacturer pin-description table and application information when assigning PCB signals and selecting interface logic. Particular attention is required to input range, reference behavior, acquisition timing, digital bus timing, and power-supply bypassing. The ADS774JP is listed as obsolete by a product listing, so engineers should verify lifecycle status and replacement availability before starting a new production design. This page combines the principal ADS774JP operating characteristics, verified package information, lifecycle context, and practical application guidance with a restrained drop-in comparison approach. It emphasizes engineering suitability rather than treating related converter models as interchangeable without checking their exact pinout, input architecture, interface timing, and acquisition requirements.

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ADS774JU

ADS774JU - 12-Bit 125 kSPS SAR ADC | Texas Instruments

The Texas Instruments ADS774JU is a 12-bit, single-input successive-approximation analog-to-digital converter with a 125 kSPS conversion rate, housed in a 28-pin SOIC (DW) package. It provides an 8.5 µs maximum acquisition and conversion time over the operating-temperature range and operates from a single +5 V supply. The device combines an internal sampling circuit, reference, clock, microprocessor interface, three-state outputs, and scaling resistors for ±10 V input ranges. An ADC is the electronic interface that converts an analog voltage into a numeric value for processing, measurement, or control. The ADS774 belongs to the successive-approximation ADC family, whose internal capacitor-array DAC compares a sampled input against successive trial voltages. Compared with flash and high-speed pipeline converters, this SAR architecture is appropriate for moderate-speed, high-resolution industrial instrumentation where a parallel microprocessor interface and integrated sampling simplify system design. The ADS774JU's principal features include 12-bit resolution, one analog input, a 28-pin SOIC package, and a 125 kSPS nominal conversion rate. According to the manufacturer datasheet, it replaces ADC574, ADC674, and ADC774 devices in most applications while adding internal sampling, lower power consumption, and single-supply operation. A maximum acquisition-and-conversion time of 8.5 µs supports process monitoring and general data-acquisition systems. Internally, the converter uses a low-power CMOS capacitor-array CDAC. Its microprocessor-compatible output uses three-state logic, allowing the data bus to share access with other bus devices. The provided ordering information identifies the JU temperature grade as operating from -40 °C to +85 °C. The SOIC (DW) package provides 28 pins and is suitable for conventional through-hole board assembly, socketed prototyping, and legacy industrial control systems. Typical applications include industrial process-control loops, instrumentation, data acquisition, digital voltmeter and panel-meter designs, and legacy microprocessor interfaces. The device is particularly relevant when a system needs a direct replacement for older ADC574-, ADC674-, or ADC774-based hardware and requires internal sample-and-hold behavior rather than an external sampling circuit. Designers should verify the analog input range, reference accuracy, acquisition timing, and output-code format against the system requirements before replacing an older converter. Decoupling should be placed close to the supply pins, and unused digital outputs should be handled according to the manufacturer's bus and power-sequencing guidance. This page consolidates the verified manufacturer and distributor information for the ADS774JU, distinguishes the few confirmed same-package drop-in options, and adds application guidance, parameter comparisons, and practical design considerations for engineers evaluating legacy data-conversion upgrades.

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ADS774KE

ADS774KE - 12-Bit 125 kSPS SAR ADC | Texas Instruments

Texas Instruments ADS774KE is a 12-bit, single-channel, successive-approximation analog-to-digital converter with a maximum conversion time of 8.5 us, an integrated sampling function, and microprocessor-compatible parallel interfacing. The device is supplied in a 28-pin PDIP package and operates from a single +5 V supply, making it suitable for industrial data-acquisition, instrumentation, control, and embedded measurement systems. An ADC is a data-converter IC that converts an analog input voltage into a digital value for processing by a microprocessor, microcontroller, programmable logic controller, or digital signal processor. Successive-approximation converters repeatedly compare the input voltage with an internally generated DAC until the residual falls below one least-significant-bit threshold. The ADS774 combines that conversion technique with an internal sampling network, reference, clock, and microprocessor interface to form a complete sampling ADC. The primary characteristics of the ADS774KE are 12-bit resolution, one analog input channel, an 8.5 us maximum conversion time over the specified temperature range, and operation from a single +5 V supply. Its maximum sampling frequency is identified as 125 kSPS, while the product listing also describes approximately 117 kHz sampling. The parallel digital interface allows the converter to transfer each 12-bit result directly into a microprocessor or other parallel data bus. The internal capacitor-array CDAC implements the successive-approximation conversion function in low-power CMOS. Because sampling is integrated into the converter, most designs do not require a separate sample-and-hold amplifier. The complete converter function, including its reference and clock, reduces external circuit complexity, although the input source still needs to satisfy the acquisition, impedance, settling-time, and bypass-capacitance requirements described by Texas Instruments. ADS774KE is applicable in process monitoring, industrial sensor interfaces, laboratory measurement equipment, digital panel meters, factory-control systems, and legacy microprocessor data-acquisition cards. It is particularly relevant when an existing parallel-bus system needs a complete 12-bit conversion function and the added integration of the ADS774 reduces the component count compared with a discrete sample-and-hold, reference, converter, and interface arrangement. Designers should pay close attention to analog grounding, input-source impedance, reference behavior, and the acquisition interval available before each conversion. Place the bypass capacitors specified in the manufacturer datasheet close to their associated supply pins, and route analog input traces away from digital clock and interface lines. Confirm timing against the host processor because the ADS774 requires control signals and data acquisition to be coordinated within its conversion sequence. This page combines the manufacturer function description with package, resolution, interface, application, and replacement guidance. It also separates verified drop-in choices from older converter families so engineers can assess board-level compatibility before committing to a replacement.

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ADS774KU

ADS774KU - 12-Bit 125 kSPS SAR ADC | Texas Instruments

Texas Instruments ADS774KU is a 12-bit, single-input successive-approximation analog-to-digital converter capable of 125 kSPS operation and packaged in a 28-pin SOIC. It combines a 12-bit CDAC, internal sampling circuitry, reference, clock, and microprocessor interface for complete data-acquisition conversion in a single package. An ADC is an interface IC that converts an analog voltage into a digital code for processing, measurement, or control. The successive-approximation, or SAR, architecture compares the sampled input against an internal CDAC and internal reference through a sequence of conversion steps. The ADS774 family follows the hierarchy of data-converter IC, analog-to-digital converter, and microprocessor-compatible sampling ADC, reducing the need for external sample-and-hold and supporting direct connection to parallel microprocessor buses. The primary electrical features include 12-bit resolution, one single-ended analog input, a maximum sampling rate of 125 kSPS, and a maximum conversion time of 8.5 microseconds over temperature. The converter can operate from a single +5 V supply and supports analog input ranges extending to ±16.5 V in the cited family information. Its internal reference, clock, sampling network, and byte-wide parallel interface make it suitable for compact data-acquisition and industrial-control systems. Internally, the ADS774 uses a low-power CMOS capacitor-array DAC and successive-approximation conversion sequence. Internal sampling captures the input before conversion, while the reference and oscillator support a self-contained measurement channel. The byte-wide parallel outputs suit microprocessors and control logic that read the converted code directly. Designers should still verify acquisition timing, bus timing, input settling, and reference requirements against the manufacturer datasheet for the exact operating conditions. Typical uses include industrial process monitoring, sensor signal acquisition, laboratory measurement equipment, embedded control systems, and legacy microprocessor-based data acquisition. The 28-pin SOIC package also supports board-level migration to documented pin-compatible ADS774 family variants when temperature grade, accuracy, or lifecycle requirements differ. Layout and signal-integrity practices are as important as nominal converter performance. Keep analog input traces short, place input and reference bypass components close to their associated pins, and route digital outputs away from sensitive analog nodes. Confirm acquisition time against the source-impedance and sampling-capacitor requirements before selecting the input buffer or external network. This page organizes the ADS774KU specifications, lifecycle information, package details, drop-in family alternatives, comparison data, and application guidance into one engineering reference. Use the manufacturer datasheet for the definitive pin description, timing diagrams, electrical limits, and ordering information.

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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

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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ADS7804P

ADS7804P - 12-Bit 100 kSPS SAR ADC | Texas Instruments

Texas Instruments ADS7804P is a 12-bit, single-input, successive-approximation analog-to-digital converter with a 100 kSPS sampling rate, a 5 V supply, and a 28-pin PDIP package. It is designed for industrial data-acquisition systems that require deterministic conversion timing, a conventional parallel interface, and operation from -40 °C to +85 °C. An ADC is a data-conversion IC that converts an analog voltage into a digital code for processing, measurement, or control. The ADS7804P belongs to the ADC hierarchy: analog-to-digital converter, data-converter IC, and semiconductor. Its successive-approximation architecture compares the input voltage with an internal reference through a series of increasingly precise comparisons, producing a 12-bit result after the specified conversion process. The principal device characteristics are 12-bit resolution, 100 kSPS throughput, one analog input, a 5 V supply, and a 28-pin through-hole PDIP package. The single-input architecture makes the converter suitable for one analog measurement channel, while the 12-bit result provides 4096 digital codes. The device is identified as an industrial-temperature-grade component and is intended for equipment operating across the -40 °C to +85 °C range. The ADS7804P uses a parallel digital interface and a sampling CMOS conversion structure. In a measurement circuit, the analog signal is presented to the input pin, the converter acquires the voltage, and the resulting digital word is made available to the host processor or control logic. The 100 kSPS rate supports process monitoring, instrumentation, industrial control, and embedded measurement systems that do not require high-speed waveform conversion. Because the ADS7804P is specified for a 5 V supply, the system must provide a regulated supply with suitable decoupling close to the device. Input and reference routing should be kept short and protected from noisy power stages. The 28-pin PDIP format is useful for through-hole prototypes, legacy industrial boards, and designs where a socketed or manually assembled implementation is preferred. This page provides a structured product overview, verified specifications, application guidance, design notes, and a comparison framework for engineers evaluating the ADS7804P. Use the manufacturer datasheet for the complete pin description, electrical limits, timing diagrams, reference configuration, and application circuit before releasing a production design.

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ADS7804U

ADS7804U - 12-Bit 100 kSPS SAR ADC | Texas Instruments

The Texas Instruments ADS7804U is a 12-bit, single-channel successive-approximation analog-to-digital converter with a 10 µs conversion time, 100 kSPS minimum sampling rate, and ±10 V input range in a 28-pin SOIC package. It operates from a single +5 V supply and supports internal or external references, a sample-and-hold amplifier, a clock, and full parallel data output. An ADC is a data-conversion IC that transforms an analog voltage into a digital code for processing, storage, measurement, or control. The ADS7804U belongs to the SAR ADC hierarchy, which successively tests each bit of the result. Compared with flash and sigma-delta converters, a SAR ADC combines a straightforward conversion process, parallel data interface, and deterministic sampling behavior, making it suitable for instrumentation and control systems. Key specifications include 12-bit resolution, 100 kSPS minimum sampling, 72 dB minimum SINAD with a 45 kHz input, and ±0.45 LSB maximum integral nonlinearity. The converter offers no missing codes and uses a full parallel output for direct interface with parallel digital buses or latches. Its specified operating-temperature range is -40 °C to +85 °C, and maximum power dissipation is 100 mW. The ADS7804 is electrically pin-compatible with the 16-bit ADS7805, allowing engineers to reuse a board layout when the required conversion resolution changes. Its ±10 V input capability also permits bipolar analog signals to be measured from a single +5 V supply. The manufacturer datasheet discusses offset and full-scale error adjustment with fixed resistors, along with internal offset and gain adjustment for external trimming. Typical uses include industrial process measurement, laboratory data acquisition, industrial control loops, embedded instrumentation, and digital panel systems. In each case, the 10 µs conversion time permits 100 kSPS sampling, while the 12-bit output provides 4096 digital codes across the ±10 V input range. PCB design should prioritize short, shielded analog-input routing, adequate reference bypassing, and a clean digital return path. Because the ADS7804U uses a parallel interface, its 12 output bits can introduce switching activity next to the analog input, making grounding and component placement important. Designers should also verify supply tolerances and external-reference requirements against the system measurement accuracy. This product page consolidates manufacturer specifications, current distributor pricing, verified drop-in alternatives, and practical engineering guidance. It also distinguishes true pin-compatible replacements from through-hole or function-only alternatives so engineers can make PCB-level decisions without assuming that a similar converter is electrically interchangeable.

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ADS7805P

ADS7805P - 16-Bit 100 kSPS SAR ADC, +/-10 V Input | Texas Instruments

The Texas Instruments ADS7805P is a 16-bit, 100 kSPS sampling CMOS successive-approximation (SAR) analog-to-digital converter with a +/-10 V analog input range, a full 16-bit parallel data output, and operation from a single +5 V supply, packaged in a 28-pin PDIP. The converter accepts unipolar or bipolar analog signals directly without external front-end scaling, and its 86 dB minimum SINAD with a 20 kHz input supports precision instrumentation measurement. An SAR ADC is a type of analog-to-digital converter that compares the unknown input voltage against a capacitor-based internal DAC during a series of clocked bit trials. The result is a linear regulator hierarchy sibling: ADC sits under data converter, which sits under mixed-signal and analog semiconductors, and then under integrated circuit and semiconductor. Compared with pipeline or delta-sigma converters, the SAR architecture converts one sample per conversion cycle with no pipeline latency, which makes it ideal for multiplexed data-acquisition front ends. Key features include a 100 kHz minimum sampling rate, a 16-bit resolution with no missing codes, +/-3.0 LSB maximum integral nonlinearity, and 16-bit differential nonlinearity. The device uses either an internal reference or an external reference for ratiometric or off-set calibration, and its 16-bit parallel output bus can be read directly by a microprocessor, DSP, or FPGA with three-state drivers for shared-bus designs. The internal architecture is a capacitor-based charge-distributing SAR core with an integrated sample-and-hold, on-chip reference, clock, and microprocessor-compatible interface. Because the sample-and-hold front end is on chip, no external acquisition multiplexer or sample-and-hold amplifier is needed for single-ended or differential measurement, and the converter operates from a single +5 V analog and digital supply, simplifying board partitioning. Typical applications include industrial process control and data acquisition modules, instrumentation and test benches, PLC analog input cards, medical monitoring equipment, audio and speech analysis front ends, and factory automation signal conditioning. The device is pin-compatible with the 12-bit ADS7804, so an existing parallel-bus board can be upgraded to 16-bit resolution in the same footprint and with the same software timing. When designing around the ADS7805P, remember that a single +5 V supply still requires a clean analog ground plane and decoupling close to the supply pins. Because the parallel interface toggles on every conversion, keep the data bus short, use series damping resistors on long traces, and latch or buffer the result in external logic if the bus must cross a board boundary. This page brings together the converter's key electrical characteristics, pin-compatible drop-in alternatives, and applied design guidance that are not consolidated in a single manufacturer document, helping engineers qualify the part quickly for new analog front-end designs.

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الفئات الفرعية

المنتجات (39,000+)

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