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ADS7861E - 12-Bit, 500 kSPS, 4-Channel Simultaneous ADC | TI
ADS7861E

ADS7861E - 12-Bit, 500 kSPS, 4-Channel Simultaneous ADC | TI

Texas Instruments ADS7861E is a dual, 12-bit, 500 kSPS analog-to-digital converter with four fully differential input channels arranged as two pairs for simultaneous signal acquisition in a 24-pin SSOP (DBQ) package. The converter combines two successive-approximation ADCs with a 2+2-channel architecture, allowing two analog pairs to be sampled simultaneously. An ADC is a mixed-signal semiconductor that converts an analog voltage into a digital code. Within the broader hierarchy of data-converter ICs, the ADS7861E belongs to the successive-approximation ADC family and is used for data acquisition, instrumentation, industrial control, and signal measurement. Its fully differential inputs preserve differential signal integrity between the sample-and-hold amplifier and the ADC input while providing 80 dB common-mode rejection at 50 kHz. The principal specifications include 12-bit resolution, a 500 kSPS conversion rate, four fully differential inputs, two simultaneous-sampling ADC channels, and a 24-pin SSOP package. The operating temperature range shown by the manufacturer ordering information is -40°C to +125°C. These characteristics make the device suitable for systems that require simultaneous acquisition, such as three-phase motor monitoring, vibration analysis, and multichannel process-control instrumentation. Each ADC uses a successive-approximation conversion architecture, providing a practical balance between conversion speed, resolution, power consumption, and implementation complexity. The four inputs are grouped into two pairs, so corresponding channels can be captured together. This arrangement is useful when phase, timing, amplitude, or ratio relationships between paired signals must be preserved during acquisition. Typical applications include industrial motor drive and inverter control, power-system monitoring, vibration and condition-monitoring equipment, process-control loops, and precision instrumentation. Differential input architecture is particularly useful in environments where common-mode noise can otherwise obscure the wanted signal. System designers should still allocate suitable analog filtering and provide compliant input and reference circuitry. The principal design consideration is signal integrity. Input components, routing, grounding, reference stability, and digital-interface timing directly affect conversion performance. The verified sources provide the ADC family, package, resolution, throughput, channel arrangement, common-mode rejection, operating-temperature range, and a starting distributor price; additional electrical limits and a complete pin map must be obtained from the manufacturer datasheet before design release. This page combines verified manufacturer and distributor information, documented drop-in family alternatives, parameter comparisons, and practical selection guidance to support engineering decisions beyond a basic distributor listing.

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ADS7861IBRHBRG4 - Dual 12-Bit 500kSPS Simultaneous-Sampling ADC | TI
ADS7861IBRHBRG4

ADS7861IBRHBRG4 - Dual 12-Bit 500kSPS Simultaneous-Sampling ADC | TI

The Texas Instruments ADS7861IBRHBRG4 is a dual, 500 kSPS, 12-bit, 2+2 channel, simultaneous-sampling analog-to-digital converter (ADC) housed in a 32-pin VQFN (RHB) exposed-pad package. Per-channel throughput of 2 µs and fully-differential input architecture let two signals be digitized at exactly the same instant, eliminating inter-channel skew in three-phase power, vibration, and motor-control signal chains. Internal reference, two sample-and-hold amplifiers, and a serial SPI-compatible interface are integrated, which reduces external part count significantly compared with discrete ADC front-ends. An analog-to-digital converter is a mixed-signal integrated circuit that quantizes a continuous analog waveform into discrete digital codes; simultaneous-sampling ADCs add per-channel track-and-hold amplifiers so all channels capture the input at one common edge, critical for phase-sensitive measurements. Within the broader taxonomy, the ADS7861 sits in the ADC/DAC family, precision-converter sub-class, successive-approximation register (SAR) sub-category, and is qualified for industrial (-40°C to +125°C) ambient operation including automotive temperature grades. Key features of the ADS7861IBRHBRG4 include 12-bit no-missing-codes resolution, ±2 LSB INL (max), dual 2 µs throughput, and four fully-differential inputs arranged as two converter pairs. The serial interface operates in either 2-wire or 3-wire mode, supports daisy-chaining of multiple devices, and is compatible with standard SPI, QSPI, and MICROWIRE framers. A hardware RESET pin and a programmable CONVST trigger simplify timing in deterministic multi-ADC systems. Architecturally, the device uses a charge-redistribution SAR core with input bandwidth exceeding the Nyquist limit, allowing accurate sampling of high-edge transient currents. Low aperture delay and matched internal S/H timing across the two ADCs guarantee channel-to-channel phase alignment within a few nanoseconds, even at full 500 kSPS throughput. Typical applications include three-phase motor-control current and voltage sensing, multi-axis vibration and inertial measurement, simultaneous power-line voltage and current acquisition for power-quality and protective relays, and data-acquisition front-ends requiring per-channel timestamp integrity. Industrial process control loops and digital oscilloscope input stages benefit from the same-skew dual conversion. When designing with the ADS7861, route the analog and digital grounds as a star at the exposed pad, place the 10 µF + 0.1 µF decoupling pair within 3 mm of AVDD, and keep the 50 MHz serial clock traces short and impedance-matched to avoid coupling into the analog front-end. This page aggregates distributor pricing, drop-in package-compatible alternatives, and engineering notes beyond what the manufacturer datasheet alone provides, helping procurement and design engineers evaluate the ADS7861 in context.

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ADS7861IRHBRG4 - Dual 500kSPS 12-Bit Simultaneous-Sampling ADC | Texas Instruments
ADS7861IRHBRG4

ADS7861IRHBRG4 - Dual 500kSPS 12-Bit Simultaneous-Sampling ADC | Texas Instruments

The Texas Instruments ADS7861IRHBRG4 is a dual, 12-bit, 500kSPS analog-to-digital converter (ADC) with four fully differential input channels grouped into two pairs for high-speed, simultaneous signal acquisition. The device integrates two successive-approximation-register (SAR) ADCs with two sample-and-hold amplifiers and is supplied in a 32-pin VQFN (RHB) package with an exposed thermal pad. The fully differential inputs are maintained differential from the sample-and-hold amplifier all the way to the ADC input, preserving common-mode rejection through the signal chain. An ADC (analog-to-digital converter) is a data-conversion integrated circuit that transforms real-world analog signals into discrete digital codes for processing by microcontrollers, DSPs, or FPGAs. The SAR (successive approximation register) ADC architecture, the hypernym category that includes the ADS7861IRHBRG4, uses an internal binary-search algorithm and a precision DAC to resolve one bit per clock cycle, providing deterministic latency, low power consumption, and excellent DC accuracy. Within the broader taxonomy, the ADS7861IRHBRG4 belongs to the category of simultaneous-sampling ADCs (which sample multiple channels on the same clock edge) used when phase relationships between channels must be preserved. Key features include a maximum 0.0488% linearity error (1 LSB), 1.625 microseconds per-channel conversion time, serial data interface, and an operating temperature range of -40C to +125C. The 500 kSPS per-channel sample rate (1 MSPS aggregate for the dual converter) supports motor-control, multi-axis vibration, and power-line monitoring applications. The integrated reference and tight channel-to-channel matching further simplify board design by reducing the external component count. Typical applications include three-phase motor current sensing, multi-axis inertial measurement, industrial process control, and power-line protection relays. When migrating from a multiplexed ADC to the ADS7861IRHBRG4, designers can capture multiple phases of a motor or power waveform simultaneously, eliminating the inter-channel skew and phase error that plague sequential-sampling architectures. When designing with this device, pay close attention to PCB layout: route differential pairs symmetrically, decouple AVDD/DVDD separately, and bond the exposed pad to a solid ground plane for thermal dissipation. The -G4 suffix in the part number indicates a Pb-free (lead-free) grade with the green RoHS-compliant finish per TI's packaging nomenclature.

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ADS7870EA - 12-Bit, 52 kSPS ADC/MUX/PGA | Texas Instruments
ADS7870EA

ADS7870EA - 12-Bit, 52 kSPS ADC/MUX/PGA | Texas Instruments

Texas Instruments ADS7870EA is a 12-bit, 52 kSPS data acquisition system integrating an analog-to-digital converter, multiplexer, programmable gain amplifier, and precision reference in a 28-pin SSOP package. The device supports up to four differential or eight single-ended inputs and supplies the complete measurement front end for low-power instrumentation. A data acquisition system combines analog signal conditioning and digital conversion on one integrated circuit. An ADC converts an analog voltage into a digital code, while a multiplexer selects among multiple sensor or measurement channels. The PGA applies gain before conversion, and the internal reference establishes a stable conversion scale. Together, these functions form a signal-conditioning chain within the broader ADC and data-converter IC category. The ADS7870EA offers programmable gains of 1, 2, 4, 5, 8, 10, 16, and 20 V/V. It includes selectable 1.15 V, 2.048 V, and 2.5 V internal-reference options, allowing the converter and measurement system to be configured around different signal ranges. Its serial interface reduces the number of package pins required for communication with a controller. At the center of the device is a 12-bit successive-approximation ADC. Conversion capability is rated at 52 kSPS, while the integrated multiplexing and gain control eliminate separate analog switches and external gain-stage circuitry in many designs. The architecture is intended for low-power control, portable instrumentation, and smart-sensor systems where component count and board area are important. Typical uses include battery-powered measurement systems, industrial process monitoring, portable instrumentation, low-power control loops, and connected sensor nodes. The multiplexed input structure is particularly useful when several analog quantities must be measured with one controller. Differential operation can support sensing around a common-mode voltage, while single-ended operation increases the available channel count. Designers should account for input settling time when changing channels or gain settings and should place reference and bypass capacitors according to the manufacturer’s recommended application circuit. Signal conditioning, input range, and reference selection should be evaluated together so that the selected full-scale range preserves useful ADC resolution without exceeding the analog input limits. This page combines the manufacturer’s device description with engineering-focused application guidance, package information, sourcing questions, and a qualified comparison of same-footprint alternatives. It is intended to accelerate component selection while keeping footprint, interface, and conversion-rate constraints visible.

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ADS7883SBDBVR - 12-Bit 3MSPS Serial SAR ADC | Texas Instruments
ADS7883SBDBVR

ADS7883SBDBVR - 12-Bit 3MSPS Serial SAR ADC | Texas Instruments

The Texas Instruments ADS7883SBDBVR is a 12-bit, 3-MSPS successive-approximation-register (SAR) analog-to-digital converter (ADC) housed in a 6-pin SOT-23 (DBV) package. It operates from a single 2.7 V to 5.5 V analog supply, draws only 2.7 mA typical at 3 MSPS with a 3 V supply, and provides true 12-bit performance and no missing codes across the full operating range. A SAR ADC is a type of analog-to-digital converter that uses a binary-search algorithm through an internal capacitive DAC and comparator to digitize an analog input one bit per clock cycle. Compared with delta-sigma ADCs, SAR ADCs offer deterministic latency, single-conversion latency (no pipeline delay), and superior behavior for multi-channel multiplexed systems. The SAR architecture sits in the broader hierarchy of ADC architectures alongside flash, sigma-delta, and pipeline converters; within TI's data-converter portfolio, the ADS7883 belongs to the low-power, miniature SAR family targeting space-constrained sensor-interface designs. Key features include a zero-latency conversion (CS-controlled serial interface compatible with SPI, QSPI, MICROWIRE, and most DSP serial ports), an inherent sample-and-hold input, a wide input range of 0 V to VREF (or 0 V to AVDD when using AVDD as reference), and an AVDD-referenced reference input. The SOT-23-6 (DBV) footprint is one of the smallest SAR ADC packages on the market, enabling high-density designs such as portable instrumentation, sensor modules, and optical encoders. The device uses a switched-capacitor architecture with internal clock generation per two that power consumption scales with throughput - at 1 MSPS the supply current drops to roughly 1.5 mA, making it attractive for battery-powered systems. An external serial clock (SCLK) and chip-select (CS) provide glueless processor interfacing, and the SDO output can return to high-impedance when CS is high to allow multi-device SPI bus sharing. Typical applications include optical encoders (angular position sensing), position sensors in industrial automation, portable medical instrumentation (blood-pressure monitors, glucose meters), handheld multimeters, and any space-constrained mixed-signal system requiring 12-bit precision at multi-MSPS throughput. Industrial use cases are well served by the -40 °C to +85 °C operating range of the standard grade. When designing with the ADS7883, place the analog input decoupling capacitor (typically 10 nF to 100 nF in series with the input) and the AVDD bypass capacitor (1 µF) as close to the package as possible. Designers should also verify that the host SPI controller can support the SDO chosen, which is determined by the SCLK chosen, the choice of SCLK fall or rise data launch, and the chosen CS timing relative to the SCLK cycle.

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ADS7960SRHBT - 8-Bit 1MSPS 12Ch SAR ADC | Texas Instruments
ADS7960SRHBT

ADS7960SRHBT - 8-Bit 1MSPS 12Ch SAR ADC | Texas Instruments

The Texas Instruments ADS7960SRHBT is an 8-bit, 1-MSPS, 12-channel, single-ended, micro-power, serial interface successive approximation register (SAR) analog-to-digital converter (ADC). It is part of the ADS79xx family, which includes 12-, 10-, and 8-bit pin-compatible multichannel ADCs. The device is available in a 32-pin VQFN (RHB) package with an exposed thermal pad, measuring 5x5 mm. It operates over a temperature range of -40°C to +125°C, making it suitable for industrial and automotive environments. An SAR ADC is a type of analog-to-digital converter that uses a binary search algorithm to convert an analog input signal into a digital representation. It is known for its high speed and low power consumption, making it ideal for applications such as data acquisition, industrial process control, and portable instrumentation. The SAR architecture is widely used in multichannel systems where multiple analog signals need to be digitized sequentially. Key features of the ADS7960SRHBT include a 1-MSPS sampling rate, 12 input channels, and a serial peripheral interface (SPI) for communication with microcontrollers or digital signal processors. The device operates from a single 2.7V to 5.25V power supply, and its micro-power consumption makes it suitable for battery-powered applications. The ADC also features a built-in reference and a programmable gain amplifier, reducing external component count. The ADS7960SRHBT uses a capacitive DAC architecture with a successive approximation register, providing accurate conversion with low power dissipation. The device includes a track-and-hold circuit that samples the analog input, and the conversion result is output serially via the SPI interface. The ADC supports both single-ended and pseudo-differential input configurations, offering flexibility in system design. Typical applications for the ADS7960SRHBT include data acquisition systems, industrial process control, motor control, and portable instrumentation. Its 12-channel input capability allows monitoring of multiple sensors or signals, while the SPI interface simplifies connection to a wide range of microcontrollers. The device is also suitable for battery-powered devices due to its low power consumption. When designing with the ADS7960SRHBT, it is important to provide a clean analog supply and proper decoupling to achieve the specified performance. The reference input should be bypassed with a capacitor, and the analog input signals should be buffered if they have high source impedance. The SPI interface should be operated at the correct clock frequency to ensure accurate data transfer.

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ADS800E - 12-Bit 40 MSPS ADC | Texas Instruments | Signal Processing
ADS800E

ADS800E - 12-Bit 40 MSPS ADC | Texas Instruments | Signal Processing

Texas Instruments ADS800E is a 12-bit, 40 MSPS analog-to-digital converter with one input, pipelined conversion, and single-ended or differential input capability in a 28-pin SSOP package. The converter supports an industrial temperature grade of -40°C to +85°C and uses internal references according to the manufacturer product information. Its 12-bit resolution, 40 MSPS sampling rate, and parallel output architecture make it suitable for digital oscilloscopes, industrial measurement systems, communications equipment, and other applications requiring conversion of high-frequency analog waveforms. An ADC is a data-conversion IC that samples an analog voltage and converts it into a digital code for processing, storage, or transmission. The ADS800E belongs to the pipelined ADC family, a multistage architecture commonly used for high-speed conversion. In the signal chain, an ADC sits between an analog front end and digital logic. The analog front end must limit bandwidth, establish suitable signal amplitude, and provide stable reference and supply conditions so that the converter can preserve the useful information contained in the waveform. The principal specifications available for the ADS800E are 12-bit resolution, a maximum sampling rate of 40 MSPS, one input channel, parallel output data, and a 28-pin SSOP package. The ADS800 family supports single-ended and differential inputs and includes internal references. These features distinguish it from general-purpose low-speed converters and position it as a sampling-oriented device for instruments and signal-processing equipment. The manufacturer product page also identifies the ADS800 as pin-compatible with the ADS801 and ADS802. The 40 MSPS conversion capability provides 25 ns between nominal sample periods. This rate is important when capturing repetitive or transient waveforms because it establishes the available time resolution. The 12-bit output represents each sample with 4,096 discrete code levels. Designers must still account for analog front-end bandwidth, acquisition time, settling behavior, clock quality, and the required input range when interpreting these conversion specifications. The supplied source data does not provide complete timing, input-range, reference-voltage, or output-drive details. Typical uses include digital oscilloscopes and waveform analyzers, communications receivers, industrial data-acquisition equipment, audio and low-frequency signal processing, and laboratory instrumentation. Differential input support is valuable when the source must be measured relative to another voltage or when common-mode rejection is important. Single-ended operation can simplify systems where a full differential driver would add cost or board area. A suitable acquisition circuit, source driver, and clock strategy remain necessary in either operating mode. The primary layout consideration is keeping the high-speed analog path short and appropriately terminated. Place the input, reference, and decoupling connections close to their associated pins, maintain a continuous ground reference, and route the parallel digital outputs away from sensitive analog nodes. Because the supplied information does not include a complete verified pin table, the exact pin assignments and exposed thermal requirements must be confirmed in the manufacturer datasheet before PCB release or replacement qualification. This page combines verified manufacturer and distributor facts with family-level drop-in information, engineering-oriented selection guidance, and application analysis. It also distinguishes confirmed compatibility from specifications that remain unavailable, helping engineers evaluate the ADS800E without treating generic ADC assumptions as verified device data.

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ADS800U - 12-Bit 40 MSPS ADC | Texas Instruments
ADS800U

ADS800U - 12-Bit 40 MSPS ADC | Texas Instruments

The Texas Instruments ADS800U is a 12-bit, 40 MSPS pipelined analog-to-digital converter with single-ended or differential inputs, internal references, and a 28-pin SOIC (DW) package. It accepts a single +5 V supply and operates from -40 °C to +85 °C. These headline values position it for compact, high-speed industrial digitization where 12-bit resolution is sufficient and deterministic sampling is more important than the lowest power available. An ADC is a data-acquisition IC that samples an analog voltage and converts it to a digital code. The ADS800U belongs to the pipelined ADC hierarchy, where multiple internal stages perform conversion in overlapping cycles. This architecture supports high conversion throughput while separating acquisition, digitization, and digital correction functions. Relative to a slow successive-approximation ADC, it is better suited to waveforms, communications, instrumentation, and control loops that need new samples at tens of millions per second. The ADS800U provides a 40 MSPS conversion rate, 12-bit resolution, single-ended and differential input choices, and internal references. Its wideband track-and-hold capability is listed at 65 MHz, allowing the input stage to acquire rapidly changing signals. The converter consumes 390 mW with its internal reference and operates from one +5 V supply, simplifying system power architecture compared with converters requiring several bias rails. The industrial temperature range supports use across controlled indoor and equipment environments. A pined ADC is not simply a physical pinout distinction. The ADS800U is compatible with the ADS801 and ADS802 family, enabling common-layout designs to scale resolution while preserving the 28-pin SOIC footprint. The interface also benefits from an organized digital output and clock structure typical of parallel converters, although timing, input range, and control logic must be checked against the complete manufacturer datasheet before board release. Typical applications include industrial process monitoring, communications infrastructure, digital oscilloscope and waveform-capture systems, communications receivers, and feedback loops for power conversion or motor control. At 40 MSPS, the converter supports a broad analog bandwidth but does not promise that every downstream signal can be captured without aliasing. Input filtering, anti-alias design, source impedance, and clock jitter remain critical to useful system performance. The main design consideration is ensuring that the analog front end, reference path, clock, and digital interface operate within datasheet limits. Use a low-jitter sampling clock, provide stable bypass capacitance, and route the analog inputs away from fast digital edges. Differential operation can improve noise immunity when the source can drive it, while single-ended operation can simplify system wiring. Both approaches require verified input-voltage and common-mode limits. This product data combines verified manufacturer, distributor, and cross-reference information with application guidance and selection criteria that are not present in the raw listing. It also distinguishes exact drop-in alternatives from packaging-only orderable variants, helping engineers reuse PCBs without mistaking a reel code for an electrically equivalent part.

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ADS801U - 12-Bit 25-MSPS ADC | Texas Instruments
ADS801U

ADS801U - 12-Bit 25-MSPS ADC | Texas Instruments

Texas Instruments ADS801U is a 12-bit, 25-MSPS monolithic analog-to-digital converter in a 28-pin SOIC (DW) package. It uses a single +5 V supply, accepts single-ended or differential analog inputs, and includes a 12-bit quantizer, wideband track-and-hold circuit, reference circuitry, and three-state outputs. Its low-power CMOS design consumes 270 mW, making it suitable for instrumentation and signal-processing systems that require compact, high-speed parallel data conversion. An ADC is a data-converter category that samples an analog voltage and converts it into a digital code for processing, storage, display, or control. The ADS801U belongs to the parallel-output pipelined ADC family and is positioned between general-purpose mixed-signal processing and high-speed measurement. Its 12-bit resolution provides 4096 quantization levels, while the 25-MSPS sampling rate supports rapidly changing signals when the analog front end and system clock are designed appropriately. Key features include no missing codes, a 65 MHz track-and-hold bandwidth, internal references, single-ended or differential input configuration, and compatibility with ADS800 and ADS802 pin arrangements. The single +5 V supply simplifies system power design, while the three-state outputs support bus-oriented connection to digital logic. The supplied technical data identifies a 54 mA supply current and an industrial temperature grade of -40 °C to +85 °C for the ADS801U package. The converter uses a small-geometry CMOS process and a pipelined conversion architecture. Pipelining supports high throughput by dividing the conversion process into stages, although system designers must account for the device's specified acquisition and conversion timing. The 28-pin SOIC package is intended for surface-mount assembly and includes analog, digital, reference, and control connections. Typical applications include industrial measurement, communications equipment, test and measurement instrumentation, control systems, and embedded signal acquisition. The 25 MSPS rate is useful when sampling waveforms or feedback signals, while 12-bit resolution balances data fidelity against digital interface bandwidth. Differential input support can improve signal integrity when the source is balanced and the PCB layout is controlled. Designers should verify the exact pinout, analog input range, reference configuration, timing, output coding, and package details in the manufacturer datasheet before layout. Keep analog and digital return paths separated, place bypass capacitance near the supply pins, and provide a controlled input source. The SOIC footprint also allows easy breadboard and prototype assembly, although production layouts should minimize parasitic capacitance and digital crosstalk.

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ADS802E - 12-Bit 10-MSPS ADC | Texas Instruments | SSOP-28
ADS802E

ADS802E - 12-Bit 10-MSPS ADC | Texas Instruments | SSOP-28

The Texas Instruments ADS802E is a 12-bit, 10-MSPS sampling analog-to-digital converter in a 28-pin SSOP package. It supports single-ended or differential analog inputs, includes an internal reference, and is specified for operation from a single +5 V supply. Its 65 MHz track-and-hold bandwidth enables the device to capture rapidly changing input signals while the 12-bit quantizer provides 4096 digital output codes. The verified product information identifies the ADS802E as a low-power monolithic converter with approximately 250 mW internal-reference power and no missing codes. An ADC is an analog-to-digital converter, a data-acquisition IC that samples a continuous voltage and maps each sample to a numeric code for processing by a microcontroller, DSP, FPGA, or digital system. The ADS802E belongs to the sampling ADC family and includes the analog input, sample-and-hold circuit, quantization function, reference, and digital interface in one device. This integration reduces external circuitry compared with discrete signal chains, while the single +5 V supply simplifies system power architecture. Key verified characteristics include 12-bit resolution, a 10-MSPS sampling rate, single-ended and differential input capability, internal references, and pin compatibility with ADS800/ADS801. The wideband track-and-hold stage is listed at 65 MHz, helping preserve input bandwidth for high-frequency sampling applications. The device is supplied in a 28-SSOP package, and the verified distributor listing describes its industrial temperature grade and gull-wing terminal form. The converter's architecture is intended for instrumentation, communications, industrial control, and embedded measurement systems where a compact, high-speed ADC is useful. Differential operation can help reject common-mode noise when the analog source and receiver share environmental interference. Single-ended operation is useful when the signal source is referenced to the same ground system as the converter. Engineers must still account for analog input range, reference accuracy, source impedance, sampling timing, clock jitter, and digital-interface levels in the complete design. Typical applications include waveform capture, sensor signal conditioning, communications receivers, industrial process monitoring, and embedded data acquisition. Because the input stage is bandwidth-limited by the track-and-hold network, the input signal and amplifier must deliver adequate bandwidth and settling behavior at the selected sampling rate. The ADS802E is not a drop-in substitute for every ADC in the market; the verified pin-compatible ADS800/ADS801 family is the appropriate starting point when package and interface details match. For layout, place input, reference, and ground connections according to the manufacturer datasheet and keep high-speed digital traces away from sensitive analog nodes. Confirm the selected package footprint and pin assignments before PCB release. The verified data does not provide complete pricing, lifecycle, compliance, or all electrical timing details, so those values must be confirmed with the manufacturer or an authorized distributor. This page combines verified manufacturer and distributor product information with package, sourcing, application, and design guidance intended to reduce component-selection risk. It is intended as an engineering reference, not as a substitute for the complete ADS802 datasheet, application notes, or final qualification records.

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ADS802U - 12-Bit 10-MSPS ADC | Texas Instruments
ADS802U

ADS802U - 12-Bit 10-MSPS ADC | Texas Instruments

The Texas Instruments ADS802U is a 12-bit, 10-MSPS single-channel pipelined analog-to-digital converter in a 28-pin SOIC package. It accepts single-ended or differential input signals, operates from one +5 V supply, and provides three-state parallel outputs. Its 65 MHz track-and-hold bandwidth supports high-frequency waveform capture, while its internal reference simplifies system design. An ADC is a data converter that samples an analog voltage and converts it into a digital code for processing, measurement, or control. The ADS802U belongs to the ADC, data-converter, and signal-processing semiconductor hierarchy. Its parallel interface exposes multiple data bits at once, making it suitable for systems where data must be captured rapidly without requiring a serial-link redesign. The principal verified features are 12-bit resolution, 10 MSPS sampling, a 65 MHz wideband track-and-hold input, single-ended or differential input configuration, internal reference, no missing codes, and a stated typical power consumption of 250 mW. A single +5 V analog supply and separate digital-supply arrangement provide flexibility in mixed analog and digital systems. The converter uses a pipelined architecture to balance throughput and multibit conversion. According to the Texas Instruments ADS802 product information, the device includes a 12-bit quantizer, wideband track-and-hold circuit, reference, and three-state outputs. These blocks capture an input during acquisition and present parallel digital results for downstream logic. Typical uses include industrial instrumentation, communications receivers, digital oscilloscope and waveform-analysis systems, process-control equipment, and laboratory measurement systems. The 10 MSPS throughput is appropriate for capturing rapidly changing waveforms when 12-bit resolution is more important than very high channel count. Designers should provide compliant analog and digital supply bypassing, route high-speed parallel outputs carefully, and account for acquisition time and settling requirements at the chosen sampling rate. Because only verified source values are reproduced here, unresolved electrical limits, timing values, and compliance declarations are explicitly identified in the validation fields.

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ADS803E - 12-Bit 5-MSPS ADC | Texas Instruments
ADS803E

ADS803E - 12-Bit 5-MSPS ADC | Texas Instruments

The Texas Instruments ADS803E is a 12-bit, 5-MSPS single-input pipelined analog-to-digital converter in a 28-SSOP package. According to the verified Texas Instruments product information, it accepts a flexible analog input range of 2 V to 5 Vpp, supports internal or external reference operation, and provides an over-range indicator. Its headline combination is 12-bit resolution, 5 MSPS throughput, and an 82 dB SFDR at Nyquist in a 28-pin SSOP package. An ADC is an analog-to-digital converter, a semiconductor that samples a continuous voltage and produces a numeric code for processing, storage, or transmission. The ADS803E belongs to the pipelined ADC family and the broader data-converter and signal-processing semiconductor hierarchy. Its single input channel and parallel output interface make it suitable for measurement and signal-acquisition systems that require deterministic sampling rather than a communications-oriented serial interface. Verified features include 82 dB SFDR at Nyquist, 69 dB SNR, 115 mW low power, and 0.25-LSB low differential nonlinearity. The device also includes internal-reference capability, a flexible input range, and an over-range indicator. These features help simplify calibration and signal conditioning when the source can be scaled to the selected input range. The internal reference can be programmed for a 2 Vpp input range for improved spurious performance and easier source drive, as stated in the verified Texas Instruments description. The ADS803E uses a pipelined conversion architecture to support 5 MSPS sampling while maintaining 12-bit output resolution. Its parallel digital output requires careful routing on a mixed-signal PCB, while the analog input and reference network must be kept away from high-current digital return paths. Designers should pay particular attention to input settling time, reference noise, clock jitter, output timing, and the distinction between signal bandwidth and Nyquist-limited performance. Typical applications include IF and baseband digitization, CCD imaging scanners, and test instrumentation. These uses benefit from the ADC's flexible input range, over-range indication, and sampling capability, provided that the downstream processing bandwidth matches the selected sample rate. The 28-SSOP package is useful for conventional surface-mount assembly but requires adequate pin escape routing and thermal consideration. When designing around the ADS803E, begin by defining the analog signal range and reference arrangement, then verify that the driver can settle within the acquisition interval at 5 MSPS. Use short, controlled traces for the analog input and reference, provide a stable clock, and route digital outputs away from sensitive analog nodes. This page consolidates the verified product identity, distributor listing, datasheet references, application positioning, and replacement constraints.

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ADS803E/1KG4 - 12-Bit 5MSPS ADC w/ Int/Ext Ref | Texas Instruments
ADS803E/1KG4

ADS803E/1KG4 - 12-Bit 5MSPS ADC w/ Int/Ext Ref | Texas Instruments

The Texas Instruments ADS803E/1KG4 is a 12-bit, 5 MSPS (mega-samples per second) pipelined analog-to-digital converter (ADC) with an internal 2.5V reference and a single differential analog input, housed in a 28-pin SSOP (Shrink Small-Outline Package) for industrial-grade applications operating from -40C to +85C. According to the TI product page, the ADS803 is also pin-compatible with the 10 MHz ADS804 and the 20 MHz ADS805, allowing designers to scale sampling rate without PCB rework. The /1KG4 suffix denotes a tape-and-reel, Pb-free (G4) shipping pack. A pipelined ADC is a type of analog-to-digital converter that resolves each analog sample across multiple low-resolution stages, with each stage feeding its residue to the next clock cycle. This pipeline architecture enables high throughput (MSPS-class) at moderate die area, making pipelined ADCs the workhorse of high-speed data acquisition, communications, video, medical imaging, and test instrumentation. The ADS803E/1KG4 sits in the broader hierarchy of: ADC -> data converter -> signal chain IC -> semiconductor. Key differentiating specifications include a programmable 2 Vp-p or 5 Vp-p input range, internal or external reference option, TTL/CMOS-compatible digital outputs, and differential linearity that supports demanding imaging applications. Digital error-correction techniques ensure excellent DNL (differential non-linearity), while the low distortion and high SNR provide the extra margin needed for communications and video signal chains. The ADS803E/1KG4 architecture uses a multi-stage switched-capacitor pipeline with digital error correction, achieving true 12-bit performance at 5 MSPS without the latency penalty of successive-approximation (SAR) ADCs. Its single +5V analog supply simplifies power-tree design versus split-rail converters, and the differential analog input rejects common-mode noise from upstream sensor or driver stages. Typical applications include medical imaging front-ends, communications baseband IF sampling, CCD/CMOS image sensor digitizers, video digitizing, and test-and-measurement instrumentation where 12-bit resolution at 5 MSPS is sufficient. The 28-SSOP footprint is also a near-universal upgrade path to the ADS804 (10 MSPS) and ADS805 (20 MSPS) for future-proof designs. When designing with this converter, ensure the analog input common-mode voltage stays within the specified range, place a small RC anti-aliasing filter at AINP/AINN, and decouple AVDD and DVDD with separate 0.1 uF + 10 uF ceramic capacitors close to the pins. The internal reference eliminates an external reference IC in cost-sensitive designs; for best DC accuracy use an external 2.500V reference. According to TI, the digital outputs can drive TTL and CMOS loads directly without external buffers below 5 pF. This page synthesizes distributor pricing, drop-in alternatives from the TI ADS80x family, and PCB design notes that go beyond the manufacturer datasheet - including thermal and reference-decoupling guidance not found on TI.com.

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ADS804E - 12-Bit 10-MSPS Pipelined ADC | Texas Instruments
ADS804E

ADS804E - 12-Bit 10-MSPS Pipelined ADC | Texas Instruments

The Texas Instruments ADS804E is a 12-bit, 10-MSPS, single-input pipelined analog-to-digital converter housed in a 28-pin SSOP package. It supports a flexible 2 V peak-to-peak input range, internal or external reference operation, and parallel digital output. The converter also provides an overrange indicator and is designed for signal-chain systems requiring high sampling speed and controlled spurious performance. An ADC is an integrated circuit that converts an analog voltage into a digital code. A pipelined ADC uses multiple internal stages and parallel output data, allowing a higher conversion rate than many single-stage architectures. The ADS804E belongs to the ADC and data-converter hierarchy, where resolution, sampling rate, input range, reference accuracy, interface timing, and noise performance determine suitability. The ADS804E combines 12-bit resolution with a 10 MSPS sampling rate. Verified distributor and manufacturer listings identify the device as a one-input pipelined converter with a flexible 2 Vp-p input range, internal and external reference options, 80 dB SFDR at Nyquist, 69 dB SNR, 180 mW low power, and differential linearity of ±0.3 LSB. These figures make it appropriate for IF and baseband digitization, CCD imaging, scanners, and test instrumentation. The device uses a high-bandwidth track-and-hold stage to minimize acquisition-related error and maintain useful performance at higher input frequencies. Its parallel interface supports straightforward connection to digital logic, FPGA input blocks, DSPs, or data-capture systems. The internal reference can simplify system design, while external-reference operation can be useful when multiple converters must share a precision reference or when calibration requirements demand tighter reference control. Typical implementations include communications receivers, industrial measurement systems, imaging equipment, laboratory instruments, and embedded data-acquisition platforms. The 10 MSPS rate allows the converter to capture rapidly changing waveforms, while 12-bit resolution provides 4096 digital codes for the selected analog input range. Designers should pay close attention to input common-mode voltage, analog signal amplitude, reference stability, source impedance, clock jitter, and the timing relationship between acquisition, conversion, and parallel output. The manufacturer datasheet should be consulted for the complete pinout, timing diagrams, input-range configuration, electrical limits, and recommended application circuit. This page combines verified manufacturer and distributor information with engineering guidance, application context, and comparison notes to support component selection and PCB planning.

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ADS804U - 12-Bit 10-MSPS Parallel ADC | Texas Instruments
ADS804U

ADS804U - 12-Bit 10-MSPS Parallel ADC | Texas Instruments

The Texas Instruments ADS804U is a 12-bit, 10-MSPS analog-to-digital converter with one analog input, a parallel data interface, and a 28-pin SOIC package. According to the verified ADS804 family data, the converter offers 80 dB SFDR at Nyquist, 69 dB SNR, approximately 180 mW low power, and ±0.3-LSB differential nonlinearity. Its flexible analog input range supports 2 V to 5 Vpp signals, while internal or external reference options help adapt the converter to different signal-chain requirements. An ADC is an analog-to-digital converter, a data-acquisition IC that samples a continuous voltage and converts it into a numeric code for processing, storage, or transmission. The ADS804U belongs to the parallel-interface ADC family within the broader semiconductor and data-converter hierarchy. Its 12-bit resolution provides 4,096 code levels, while its 10-MSPS sampling rate supports high-speed waveform capture, IF and baseband digitization, CCD imaging, scanner systems, and test instrumentation. Key performance characteristics combine 10-MSPS throughput with 12-bit resolution, 80-dB Nyquist SFDR, and 69-dB SNR. The flexible input range is useful when the source signal amplitude is not fixed, and the overrange indicator provides a way to detect conditions beyond the nominal conversion range. The ±0.3-LSB differential nonlinearity figure indicates that code-width variation is tightly controlled for precision acquisition and signal-fidelity requirements. The ADS804U uses a parallel interface rather than a serial data interface. This architecture is appropriate when downstream logic can capture many output bits at each conversion event. Designers should account for timing between the sample clock, output data, and downstream logic, and should use controlled-impedance routing where digital transition activity could affect analog signal integrity. The 28-pin SOIC package provides a conventional surface-mount footprint but requires careful handling and layout because the analog input, reference connections, clock, and parallel outputs are all present in one package. Typical applications include IF and baseband digitization, CCD imaging, scanners, communications receivers, and general-purpose test equipment. The 10-MSPS rate is especially relevant to intermediate-frequency or baseband sampling where a compact parallel ADC can feed a DSP, FPGA, or digital capture system. Compared with lower-speed converters, the ADS804U trades higher sampling throughput for greater PCB and timing complexity. The most important design consideration is the analog and digital partitioning around the converter. Place input and reference components close to their associated pins, route the analog input away from high-current clock and parallel-output paths, and define the return-current path continuously. Check the manufacturer datasheet for the exact pin names, reference arrangement, timing specifications, and recommended application circuit before releasing a PCB layout. This product page consolidates verified family specifications, package information, application guidance, and design considerations for engineers evaluating the ADS804U. Distributor inventory, exact pricing, lifecycle detail, and every complete electrical characteristic should be reconfirmed from the current manufacturer and distributor records before procurement or design sign-off.

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ADS805E - 12-Bit 20-MSPS Pipelined ADC | Texas Instruments
ADS805E

ADS805E - 12-Bit 20-MSPS Pipelined ADC | Texas Instruments

The Texas Instruments ADS805E is a 12-bit, 20-MSPS pipelined analog-to-digital converter with a 28-pin SSOP package. It supports internal or external reference operation and a programmable analog input range of 2 Vp-p to 5 Vp-p. Published performance figures include 74 dB SFDR, 68 dB SNR, 300 mW low power, and 0.25-LSB differential nonlinearity. The device is temperature-rated from -40°C to 85°C and is designed for high-speed signal acquisition where a compact surface-mount ADC is needed. An ADC is a data-acquisition integrated circuit that samples an analog voltage and converts it into a digital code for processing, storage, or transmission. More specifically, the ADS805E belongs to the pipelined ADC family, which uses multiple internal stages to support high conversion rates. Its 12-bit resolution represents each sample with 4,096 digital codes, while its 20-MSPS sampling capability supports bandwidths below the converter's Nyquist limit when appropriate analog filtering and clock design are used. Key features include one analog input, pipelined 12-bit conversion, internal or external reference support, and selectable input ranges. The 2 Vp-p range is identified in the manufacturer information as easy to drive with a single operational amplifier and as providing the best spurious performance. The converter's 74 dB SFDR and 68 dB SNR indicate strong performance for communications, imaging, and test-instrumentation signal chains, while the stated 300 mW power level helps guide thermal and supply planning. The ADS805 architecture combines a high-bandwidth track-and-hold circuit with pipelined stages. The high-bandwidth track-and-hold minimizes acquisition-time effects, while low jitter and linear sampling behavior help preserve signal fidelity. The flexible input range allows the system designer to trade signal amplitude against dynamic range and gain requirements. The ADC should be paired with a clean analog supply, a suitable clock source, input protection, and filtering matched to the intended bandwidth. Typical applications include studio cameras, IF and baseband digitization, copiers, communications receivers, video signal acquisition, and test instrumentation. In each case, the 20-MSPS rate allows sampling above the signal bandwidth, while the 12-bit code width and reported dynamic performance provide a practical balance between resolution, speed, and integration complexity. The ADS805E is particularly suitable when the existing board already expects the 28-pin SSOP footprint and the associated pin-compatible family arrangement. Designers should verify the exact package, pinout, reference configuration, input range, and timing requirements against the manufacturer datasheet before layout release. Pay attention to analog input bandwidth, settling time, clock jitter, reference noise, and output interface implementation. The most important design trade-off is ensuring that the input driver and external network do not degrade the converter's measured noise and spurious-free dynamic-range performance. This page consolidates the verified ADS805E product identity, distributor listings, manufacturer family data, pin-compatibility evidence, and practical application guidance. It is designed to help engineers evaluate the converter for procurement and board-level design without treating unsupported specifications as confirmed facts.

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ADS805E/1KG4 - 12-Bit 20 MSPS ADC | Texas Instruments | 28-SSOP
ADS805E/1KG4

ADS805E/1KG4 - 12-Bit 20 MSPS ADC | Texas Instruments | 28-SSOP

The Texas Instruments ADS805E/1KG4 is a 12-bit, 20 MSPS pipelined analog-to-digital converter (ADC) housed in a 28-pin SSOP package. It supports a single 5V analog supply, provides an internal reference (with optional external reference), and features a flexible input range programmable between 2 Vp-p and 5 Vp-p. The 20 MSPS sampling rate, 12-bit resolution, and pipelined architecture make it suitable for mid-speed data acquisition, CCD imaging, video digitisation, and digital communications baseband I/Q sampling. An ADC (Analog-to-Digital Converter) is a data-acquisition integrated circuit that samples continuous analog signals and converts each sample into a discrete digital code. Within the power-management and signal-chain taxonomy, the ADS805 belongs to the SAR/pipelined ADC family, the data-converter category, and the broader mixed-signal semiconductor hierarchy. Pipelined ADCs trade slightly higher latency (typically 3-5 clock cycles) for much higher sampling rates than successive-approximation (SAR) architectures, making them ideal for continuous-stream applications above 5 MSPS. Key features include 12-bit resolution with no missing codes, 20 MSPS maximum sampling rate, internal or external reference operation, an out-of-range indicator flag, single +5V supply operation, and a flexible parallel digital interface. The differential input stage is designed for ease of drive with a single op-amp in most configurations. The 2 Vp-p input range is the easiest to drive with a single op amp and provides the best spurious performance, while the 5 Vp-p range maximises dynamic range in low-noise front ends. The ADS805E uses a multi-stage pipelined architecture with proprietary error correction to achieve low differential non-linearity (DNL) and integral non-linearity (INL). The pin-compatible ADS804 (10 MSPS) and ADS803 (5 MSPS) allow designers to scale performance without PCB layout changes. The internal reference is laser-trimmed, and the part supports both CMOS-compatible and low-voltage differential outputs depending on configuration. Typical applications include digital video broadcast equipment, CCD-based imaging systems, document scanners, baseband I/Q sampling in software-defined radio, portable instrumentation, and industrial process control front ends. The combination of 5V single-supply operation and small 28-SSOP footprint suits space-constrained designs that require higher dynamic range than 8/10-bit alternatives. When designing with this device, ensure the analog input is properly buffered with a wideband op-amp capable of settling within half a clock cycle. The internal reference requires a stable bypass capacitor on the REFT/REFB pins; inadequate decoupling can degrade SNR by 1-2 dB. Power-supply rejection must be considered if the 5V rail is shared with switching converters.

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ADS805U - 12-Bit 20MHz Pipelined ADC | Texas Instruments
ADS805U

ADS805U - 12-Bit 20MHz Pipelined ADC | Texas Instruments

Texas Instruments ADS805U is a 12-bit, 20MHz sampling analog-to-digital converter ADC with a high-bandwidth track-and-hold circuit, supplied in a 28-pin SOIC package. The converter uses a pipelined architecture to deliver high dynamic range and strong spurious performance up to and beyond the Nyquist rate. Its 20MSPS conversion rate and 12-bit resolution make it suitable for communications, instrumentation, industrial control, and signal-processing systems that require accurate sampling of rapidly changing analog inputs. An ADC is a mixed-signal integrated circuit that converts an analog voltage into a digital code. Within the semiconductor hierarchy, the ADS805U is an ADC, a data-converter IC, and a member of the broader analog and mixed-signal semiconductor family. The 28-lead SOIC is a surface-mount package suitable for conventional PCB assembly and provides a defined pin arrangement for power, reference, analog input, digital output, clock, and control connections. The ADS805's primary features include a 20MSPS sampling rate, 12-bit resolution, high dynamic range, and a wide-bandwidth track-and-hold stage. The sampling architecture allows the input to be captured during the acquisition interval and converted through a pipelined sequence during subsequent clock cycles. The manufacturer describes the track-and-hold circuit as providing excellent spurious performance through and beyond the Nyquist region, which is important when sampling high-bandwidth or high-frequency signals. The device can use its internal reference or accept an external reference, according to the manufacturer product page. It can also be programmed for a 2V peak-to-peak input range. That range is suitable for driving from a single op-amp output and is associated with good spurious performance. Designers still need to evaluate the full datasheet for input bandwidth, clock jitter, dynamic performance, power requirements, digital output timing, and reference arrangements before finalizing a design. Typical applications include digital communications, high-speed data acquisition, industrial process monitoring, medical instrumentation, test and measurement equipment, and embedded signal-processing systems. In these systems, the 20MSPS sampling rate can support bandwidth-limited acquisition while the 12-bit converter provides a practical balance between resolution, throughput, and implementation complexity. A key design consideration is clock and analog-signal integrity. The track-and-hold input, reference network, converter clock, and digital output traces require careful PCB layout because jitter and ground bounce can affect conversion accuracy. The 28-pin SOIC footprint is suitable for a new design, but engineers should also verify obsolete-part availability and sourcing before committing to it. This page consolidates the verified manufacturer specifications, source links, pricing information, same-family drop-in candidates, application guidance, and engineering considerations into one searchable engineering reference. It also distinguishes confirmed pin-compatible devices from unverified alternatives rather than presenting speculative substitutions as drop-in parts.

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ADS807E - 12-Bit 53-MSPS Pipelined ADC | Texas Instruments
ADS807E

ADS807E - 12-Bit 53-MSPS Pipelined ADC | Texas Instruments

The Texas Instruments ADS807E is a 12-bit, 53-MSPS single-input pipelined analog-to-digital converter in a 28-pin SSOP package. It supports single-ended and differential inputs, a flexible input range of 2 Vp-p to 3 Vp-p, and internal or external references. Its differential track-and-hold and converter architecture minimize even-order harmonics and improve common-mode noise immunity. An ADC converts continuous analog voltage into a corresponding digital code for digital processing. The ADS807E belongs to the pipelined ADC hierarchy, using multiple internal stages to achieve a high sampling rate while supporting high-speed communications, imaging, instrumentation, and test systems. Its 12-bit resolution gives 4096 possible output-code levels, while 53 MSPS supports high-rate conversion requirements. Key verified characteristics include a maximum sampling rate of 53 MSPS, 12-bit resolution, 2 Vp-p to 3 Vp-p flexible input range, internal or external reference support, low differential nonlinearity of 0.5 LSB, and low power consumption of 335 mW. The converter also provides an out-of-range indicator, according to the verified component description. The architecture is designed for high-speed signal acquisition. The differential track-and-hold provides useful rejection of common-mode noise and helps suppress even-order harmonics. The pipelined ADC structure is appropriate when analog bandwidth, sampling rate, digital output timing, and signal integrity must be considered together rather than as independent specifications. Typical applications include communications receivers, digital oscilloscopes, frequency-domain analysis, radar and signal-processing front ends, video digitization, and industrial measurement systems. Differential input operation is useful when the source must be driven with balanced impedance and when common-mode rejection is important. PCB layout is critical because high-speed analog, clock, reference, and digital output paths must be controlled. Place input, reference, and decoupling networks close to the device, provide a clean return path, and follow the manufacturer pinout and layout guidance. Confirm package pin numbering and signal mapping against the official datasheet before layout release.

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ADS808Y/250 - 12-Bit 70MSPS ADC, HTQFP-48 | Texas Instruments
ADS808Y/250

ADS808Y/250 - 12-Bit 70MSPS ADC, HTQFP-48 | Texas Instruments

The Texas Instruments ADS808Y/250 is a 12-bit, 70-MSPS pipelined analog-to-digital converter with one single-ended or differential input channel, housed in a 48-pin HTQFP (PHP) 7x7 mm package. It accepts analog inputs from a 4.75V to 5.25V analog supply and is optimized for high dynamic performance at IF and baseband sampling rates, with selectable full-scale input range and flexible single-ended or differential clocking. An analog-to-digital converter (ADC) is a mixed-signal integrated circuit that samples a continuous analog voltage and quantizes each sample into a discrete digital code. Pipelined ADCs such as the ADS808 use a cascaded architecture of low-resolution stages (typically 1.5 bits per stage) with digital error correction, achieving the best trade-off between sampling speed (tens to hundreds of MSPS), resolution (10-14 bits), and active power. Within the broader hierarchy, the ADS808 sits under data converter -> ADC -> pipelined ADC -> high-speed ADC -> mixed-signal IC -> semiconductor. Pipelined ADCs are the dominant topology for communications, instrumentation, and imaging applications in the 10 MSPS to 250 MSPS range. Key features of the ADS808 include 70 MSPS sampling rate, selectable full-scale input range, internal or external voltage reference, a low-jitter 0.25 ps RMS track-and-hold, single 5V analog supply operation, and a powerdown mode for portable applications. The differential or single-ended clock input accepts TTL/CMOS/LVPECL swings and provides flexible timing for synchronization with downstream DSP or FPGA logic. Its premium track-and-hold maintains low distortion even at IF frequencies, simplifying front-end design in communications receivers. Typical applications for the ADS808Y/250 include CCD imaging digitizers, digital still cameras, basestation receiver IF digitizers, medical ultrasound beamformers, video processing, and high-speed data acquisition cards. The 12-bit/70-MSPS combination is well suited to digitizing signals in the 1 MHz to 35 MHz IF band where 70 dB SNR and SFDR are required for downstream demodulation. For test and measurement, the device serves as a general-purpose ADC front-end for digitizing oscilloscope channels and spectrum analyzer intermediate frequencies. When designing with the ADS808, place a 0.1 uF ceramic decoupling capacitor within 5 mm of every supply pin, and use a 10 uF bulk tantalum or ceramic capacitor on AVDD and DRVDD to suppress switching noise. Provide a clean, low-jitter clock source (jitter < 1 ps RMS) to preserve SNR at high input frequencies, and route analog and digital grounds on separate planes joined at a single point beneath the IC. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone.

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ADS808Y/250G4 - 12-Bit 70MSPS Pipelined ADC | Texas Instruments
ADS808Y/250G4

ADS808Y/250G4 - 12-Bit 70MSPS Pipelined ADC | Texas Instruments

The Texas Instruments ADS808Y/250G4 is a 12-bit, 70 MSPS pipelined analog-to-digital converter housed in a 48-pin HTQFP (PHP) powerPAD package with exposed thermal pad, designed for high-dynamic-range IF and baseband digitisation. It integrates a premium 0.25 ps-rms-jitter track-and-hold, accepts single-ended or differential inputs, and operates from a single 5 V analog supply with flexible internal/external reference options and a powerdown pin for energy-aware systems. An analog-to-digital converter (ADC) is a mixed-signal integrated circuit that converts continuous-time analog voltages into discrete digital codes at a sampling rate set by an external clock. Pipelined ADCs like the ADS808 use multiple low-resolution flash stages cascaded behind a high-bandwidth SHA, trading modest latency for very high sampling rates at moderate resolution. They sit within the broader hierarchy: ADC -> data converter -> mixed-signal IC -> power-management-and-signal-chain semiconductor. Key features include 70 MSPS guaranteed sampling rate, 12-bit resolution with no missing codes, selectable 1.0 Vpp or 2.0 Vpp full-scale input range, internal or external reference, and a low-jitter differential or single-ended clock input that accepts sine or square signals down to 0.5 Vp-p. The 48-HTQFP powerPAD package provides a thermal resistance of approximately 25 C/W with sufficient copper area, enabling reliable operation up to the 70 MHz clock rate. The architecture is a 12-stage pipelined ADC with digital error correction. Its track-and-hold bandwidth exceeds 100 MHz, and aperture jitter is specified at 0.25 ps rms, which is critical for preserving SNR when digitising IF signals above 30 MHz. Output data is delivered via a parallel CMOS interface compatible with standard DSPs and FPGAs. Typical applications include medical ultrasound imaging, digital video broadcast demodulation, CCD imaging digitisation, IF sampling in communications receivers, and industrial test instrumentation. The wide input bandwidth makes it particularly attractive for undersampling IF stages. When designing with this device, allocate adequate ground and supply decoupling (100 nF ceramic close to each supply pin plus a 10 uF bulk), and provide at least 1 square inch of PCB copper beneath the exposed pad. The /PD pin should be tied high for normal operation and pulled low for powerdown, reducing quiescent current for portable or energy-aware platforms. This page synthesizes distributor pricing, drop-in package-compatible alternatives, and practical PCB design guidance not always presented together in the manufacturer datasheet, giving engineers a single source for sourcing, selection, and layout decisions.

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ADS820U - 10-Bit 20-MSPS Pipelined ADC | Texas Instruments
ADS820U

ADS820U - 10-Bit 20-MSPS Pipelined ADC | Texas Instruments

The Texas Instruments ADS820U is a 10-bit, 20-MSPS single-input pipelined analog-to-digital converter with differential or single-ended input capability, supplied in a 28-pin SOIC package. It operates from a single +5 V supply and includes an internal reference, internal track-and-hold circuit, 10-bit quantizer, and power-down feature. According to the verified TI product and distributor information, the converter is designed for low-power, moderate-speed signal acquisition. An ADC is a data-conversion IC that samples an analog voltage and converts it into a digital code for processing by a microcontroller, DSP, FPGA, or other digital system. The ADS820U belongs to the pipelined ADC class, which uses multiple internal stages to provide a practical conversion rate for communications, instrumentation, industrial control, and embedded measurement systems. Its 10-bit resolution represents 1,024 possible output codes, while the 20-MSPS sampling rate supports acquisition of rapidly changing analog signals. Key verified features include 10-bit resolution, 20 MSPS throughput, one analog input, one pipelined conversion channel, 28-SOIC packaging, operation from a single +5 V supply, and configurable differential or single-ended input signals. The verified search data also reports no missing codes, an internal reference, 195 mW low power, 60 dB SNR, 65 MHz wideband track-and-hold bandwidth, and 0.2 LSB differential linearity error. These figures come from the provided ADS820U search results and should be checked against the current manufacturer datasheet before design release. The monolithic converter uses a small-geometry CMOS process according to the TI product page. The internal track-and-hold captures the analog input before quantization, while the pipelined architecture supports throughput-oriented sampling. Configuration flexibility allows the same device family to accept either differential or single-ended input signals, which can simplify front-end design when common-mode rejection or single-ended source compatibility is required. The internal reference reduces the need for an external reference circuit in suitable applications. Typical uses include communications interfaces, industrial measurement, control loops, data-acquisition modules, embedded instrumentation, and embedded systems requiring parallel digital conversion. A 10-bit ADC is appropriate where the required system resolution does not justify the complexity and power of a higher-resolution converter. The 28-SOIC package is also useful for prototypes, legacy designs, and boards that already use through-hole or leaded analog interfaces. The main design consideration is ensuring that the analog input, reference, supply decoupling, digital output timing, and acquisition clock satisfy the converter requirements. Use the manufacturer datasheet for the exact pinout, input range, timing, output coding, reference accuracy, and recommended application circuit. Do not infer those missing values from the distributor summaries. This page combines verified source data with engineering guidance and explicitly identifies parameters that require confirmation. This product summary synthesizes verified TI, DigiKey, Mouser, and Octopart information with practical design context. It is intended to support initial component selection while preserving traceability to the supplied source links and avoiding unsupported pricing, lifecycle, and pin-level claims.

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ADS821 - 10-Bit 40MSPS ADC Internal Ref | TI
ADS821

ADS821 - 10-Bit 40MSPS ADC Internal Ref | TI

The Texas Instruments ADS821 is a low-power, monolithic 10-bit, 40MHz analog-to-digital converter built on a small-geometry CMOS process. The complete converter integrates a 10-bit quantizer with an internal track-and-hold circuit, an internal reference, and a power-down feature, and is available in SO-28 and SSOP-28 packages. It operates from a single +5V supply and accepts either differential or single-ended input signals. A pipelined ADC is an analog-to-digital converter that uses a cascade of low-resolution stages to achieve high sampling rates while maintaining reasonable power consumption. In the ADC hierarchy, the ADS821 is a high-speed pipelined converter within the broader category of data converters, which sit between analog signals and digital signal processors in a signal chain. Pipelined ADCs are used where both high speed and moderate resolution (10 to 14 bits) are required. The ADS821 provides no missing codes, a high SNR of 58 dB, and power dissipation of only 380 mW at 40 MSPS, which is low for a 10-bit 40MHz CMOS converter. The integrated track-and-hold removes the need for an external sample-and-hold amplifier, and the internal reference reduces external component count. The power-down feature reduces system power during idle periods. Architecturally, the device uses a pipelined conversion architecture optimized for conversion rates up to 40 MSPS. Differential input capability improves common-mode rejection and reduces even-order harmonic distortion compared to single-ended drive. Digital outputs drive standard CMOS logic, simplifying interfacing to FPGAs, DSPs, or microcontrollers in single-supply +5V systems. Typical applications include medical ultrasound signal digitizing, video and CCD digitizing, digital oscilloscope front-ends, industrial data-acquisition boards, and communications IF sampling. The combination of internal reference, internal track-and-hold, and 40MSPS throughput makes the ADS821 an efficient building block for high-speed acquisition channels. When designing with the ADS821, use a low-impedance analog source or high-speed op-amp driver to ensure differential input settling within one sample period. Decouple all supply pins and keep the analog input path short and shielded for best SNR.

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ADS821E - 10-Bit 40MSPS ADC w/ Internal Reference | TI/Burr-Brown
ADS821E

ADS821E - 10-Bit 40MSPS ADC w/ Internal Reference | TI/Burr-Brown

The Texas Instruments ADS821E (originally Burr-Brown) is a low-power, monolithic 10-bit, 40 MSPS analog-to-digital converter (ADC) with single-ended or differential inputs, an internal reference, an internal track-and-hold, and 9.3 effective bits of resolution, offered in a 28-pin SSOP package. According to the manufacturer datasheet, the converter consumes only 380 mW from a single +5 V analog supply, while delivering 58 dB SNR for high-fidelity digitization of intermediate-frequency signals, video, and baseband communications. The ADS821E provides CMOS-compatible digital outputs and is guaranteed to have no missing codes across the full operating temperature range. A successive-approximation-register (SAR) ADC, the ADS821E operates by sampling an input voltage once per conversion cycle and comparing it to an internal binary-weighted capacitor network through a precision comparator; unlike pipelined ADCs, the SAR architecture is fully specified on a single clock edge with no pipeline latency. SAR ADCs occupy a tier below flash ADCs in conversion speed but above delta-sigma ADCs in raw sample rate, and are widely deployed in industrial measurement, data acquisition, and instrumentation. The 28-pin SSOP package places all analog and digital pins on opposite sides of the die to minimize coupling and ease PCB layout separation. Key features include an internal 2.5 V reference (which can be overdriven externally), a track-and-hold amplifier front-end capable of handling input bandwidths well beyond Nyquist for undersampling applications, low differential nonlinearity for accurate code-edge transitions, and an output enable pin for bus multiplexing. The proprietary architecture provides excellent dynamic performance with spurious-free dynamic range suitable for IF-sampling communications receivers. Power-down mode reduces standby consumption to a few milliwatts for battery-portable designs. Typical applications include digital oscilloscopes and waveform digitizers, IF sampling for communications receivers, CCD imaging digitizers, portable medical imaging, baseband quadrature sampling in software-defined radios, and general-purpose high-speed data acquisition. The 40 MSPS sample rate and 10-bit resolution are well matched to display refresh rates and pixel-clock-driven video systems. When designing with this device, decouple the analog supply (AVDD) and digital supply (DVDD) domains separately with 0.1 µF ceramic capacitors placed within 5 mm of the supply pins. Maintain a single-point ground star connection under the AGND/DGND pins to avoid digital switching noise corrupting the analog input. Drive the analog input from a low-impedance, bandwidth-appropriate buffer for best spurious performance. This page synthesizes distributor pricing, drop-in alternatives from the same ADS82x family and pin-compatible same-package alternatives, and practical PCB layout notes not consolidated in the manufacturer datasheet.

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