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ADS821U

ADS821U - 10-Bit 40-MSPS ADC | Texas Instruments | Signal Capture

The Texas Instruments ADS821U is a 10-bit, 40-MSPS pipelined analog-to-digital converter with one single-ended or differential input, 58 dB SNR, 9.3-bit ENOB, an internal reference, and an internal track-and-hold circuit in a 28-pin SOIC (DW) package. Its 380 mW low-power design targets high-speed instrumentation where accurate sampling, compact size, and predictable signal acquisition are required. An ADC is a data-acquisition IC that samples an analog voltage and converts it into a digital code for processing by a microcontroller, DSP, FPGA, or test system. The ADS821U belongs to the pipeline ADC family, with its resolution, conversion rate, input architecture, reference, and acquisition circuitry defining its role within a broader analog-to-digital conversion and signal-processing hierarchy. The converter's principal features are 40 MSPS operation, 10-bit resolution, 58 dB SNR, and 9.3-bit ENOB. The no-missing-codes feature supports deterministic output behavior, while the internal track-and-hold circuit simplifies front-end design. The verified product information also identifies a 380 mW low-power figure and supports SOIC-28 and SSOP-28 family packaging, with ADS821U specifically supplied in the 28-pin SOIC package. Technically, the ADS821U is designed for single-ended or differential input acquisition. An internal reference and internal track-and-hold function reduce the number of external support blocks required in a conventional measurement chain. However, signal bandwidth, input range, timing, reference behavior, and electrical limits must be confirmed from the manufacturer datasheet before finalizing analog front-end and clock design. Typical uses include communications and signal-analysis equipment, industrial measurement systems, test and measurement instruments, and embedded control or processing platforms that need a 40-MSPS conversion rate. The 10-bit code width is appropriate where the required information bandwidth is greater than the precision demanded from every individual sample. A key design consideration is that the ADC does not replace the surrounding analog system. Input scaling, source impedance, anti-alias filtering, clock jitter, grounding, decoupling, and digital-interface timing determine practical performance. Confirm the pinout and pin functions in the official datasheet before layout or replacement work. This page combines verified manufacturer and distributor information with application guidance, practical design notes, and explicitly qualified replacement considerations. Unverified prices, complete pin functions, and unconfirmed cross-brand drop-in equivalents are not inferred.

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ADS822E

ADS822E - 10-Bit, 40-MSPS Pipelined ADC | Texas Instruments

The Texas Instruments ADS822E is a 10-bit, single-channel, 40-MSPS pipelined analog-to-digital converter with single-ended or differential inputs and internal or external reference capability, packaged in a 28-pin SSOP. It is designed for high-speed signal acquisition where 10-bit conversion resolution and compact parallel-interface integration are more important than the very highest conversion rates. An ADC is a data-acquisition semiconductor that samples an analog voltage and converts it into a digital code. A pipelined ADC uses multiple internal stages that operate concurrently after the pipeline is filled. Compared with flash converters, this architecture can provide useful resolution at lower power and cost. The ADS822E belongs to the ADC hierarchy, integrates an analog input stage and digital quantizer, and supports acquisition, instrumentation, communications, and embedded measurement systems. The verified distributor data identifies a 10-bit converter with one input, one pipelined stage, and a 40-MSPS sampling rate. Its single-ended input supports the common source configuration used in many sensor and signal-chain systems, while differential operation can improve common-mode rejection when supported by the complete ADC implementation. The part uses a single +5 V supply according to the supplied comparison source, and the verified listing describes internal or external reference options. The ADS822E family is available in an SSOP-28 package. The manufacturer product page states that ADS822, ADS823, ADS825, ADS826, and ADS828 are pin-for-pin compatible, with the higher-speed members offering upgrade paths from the ADS822/ADS825 family. This compatibility is useful when a design needs more sampling rate without changing the board footprint or parallel interface layout. Typical applications include industrial sensor acquisition, communications infrastructure, portable measurement systems, medical instrumentation, and embedded data-acquisition platforms. Because the converter has a 40-MSPS maximum sampling rate, it is appropriate for waveforms within its Nyquist bandwidth rather than very high-frequency RF signals requiring a substantially faster converter. Designers should verify input range, timing, reference stability, output coding, and acquisition settling time against the manufacturer datasheet before finalizing a system. For PCB design, keep analog input, reference, supply, and digital return paths well controlled. The SSOP-28 device benefits from short analog traces, adequate bypassing, and separation between sensitive analog nodes and fast digital output lines. Use the manufacturer datasheet for the complete pinout, timing diagrams, electrical limits, and application-specific reference configuration.

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ADS822EG4

ADS822EG4 - 10-Bit 40MSPS ADC w/ Int/Ext Ref | Texas Instruments

The Texas Instruments ADS822EG4 is a 10-bit, 40-MSPS analog-to-digital converter (ADC) that supports both single-ended and fully differential analog inputs in a 28-pin SSOP package. According to the TI ADS822 datasheet, the device delivers 60 dB SNR and 72 dBFS SFDR while consuming only 190 mW, and offers a programmable input range with internal or external reference selection. The G4 suffix designates the tube-packaged, RoHS-compliant ordering option. An ADC (analog-to-digital converter) is a data-acquisition integrated circuit that samples a continuous analog waveform and quantizes each sample into a digital code word. ADCs sit inside the broader hierarchy of data converters -> signal chain -> mixed-signal IC -> semiconductor. The 10-bit resolution and 40 MSPS sample rate place the ADS822 in the mid-speed, moderate-resolution tier used in industrial imaging, instrumentation, and communications baseband processing where 60-70 dB of dynamic range is acceptable. Key performance features include 60 dB SNR for clean signal capture, 72 dBFS spurious-free dynamic range (SFDR) to keep large-signal harmonics below the noise floor, and low differential nonlinearity (DNL) of 0.x LSB for code-density accuracy. The internal 2.5 V reference can be overridden by an external reference for designs requiring absolute accuracy or multi-ADC gain matching. The single-ended / differential input mode is pin-programmable, eliminating external signal-conditioning op-amps in many designs. The ADS822 uses a pipelined architecture with digital error correction, providing low latency and consistent sample-to-sample linearity. A separate analog and digital supply pin pair (AVDD/DVDD) is provided to isolate switching noise from the sensitive analog front-end. An internal reference buffer and duty-cycle equalizer simplify PCB layout and clock distribution. Typical applications include CCD/camera imaging digitizers, baseband I/Q sampling in software-defined radio, ultrasonic medical imaging front-ends, and portable test-and-measurement equipment. The 5 V analog supply and 28-SSOP footprint make it compatible with legacy industrial designs migrating from 8-bit ADCs. When designing with this device, place a 0.1 uF ceramic decoupling capacitor as close as possible to each AVDD/DVDD pin, and provide a solid ground plane under the package. The internal reference mode requires a 0.1 uF bypass on REF; for multi-ADC synchronization, drive the external reference pin from a single low-impedance source. This page synthesizes distributor pricing, drop-in pin-compatible alternatives, and practical design notes not found in the manufacturer datasheet, including cross-references to the pin-for-pin compatible ADS823 (60 MSPS), ADS825 (40 MSPS, single-ended optimized), ADS826 (60 MSPS), and ADS828 (75 MSPS) parts.

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ADS823E

ADS823E - 10-Bit 60-MSPS ADC | Texas Instruments

The Texas Instruments ADS823E is a 10-bit, 60-MSPS, single-input pipelined analog-to-digital converter in a 28-pin SSOP package. It accepts single-ended or differential analog input, supports internal or external reference operation, operates from a single +5 V supply, and provides +3 V/+5 V-compatible logic I/O. Verified listings identify one input, one pipelined conversion channel, and a parallel interface. An ADC is a data-converter IC that samples an analog voltage and produces its corresponding digital code. The ADS823E belongs to the pipeline ADC class within the broader data-converter and signal-processing hierarchy. Pipeline conversion separates sampling and conversion stages, supporting high sampling rates for communications, instrumentation, imaging, and control systems while requiring careful clock, reference, input, and digital-interface design. Verified features include 60 dB signal-to-noise ratio, 74 dBFS spurious-free dynamic range, 265 mW power consumption, programmable input range, power-down capability, and low differential nonlinearity of 0.25 LSB. The dual input capability allows the converter to work with single-ended sources or differential signals. The internal/external reference option gives designers flexibility in analog calibration and system-level voltage-reference planning. The device uses a single-ended analog input or differential input arrangement and supports single +5 V analog-supply operation with +3 V or +5 V-compatible logic levels. Its 10-bit resolution gives 1024 digital codes, while the 60-MSPS sampling rate supports high-speed acquisition. The 28-SSOP package is a surface-mount gull-wing package, but the verified snippets do not provide its exact dimensions. Typical uses include communications receivers, medical imaging instrumentation, industrial data acquisition, signal monitoring, and embedded control systems where a compact high-speed ADC is required. The parallel output requires a 10-bit data bus plus associated clock and control signals, so the surrounding digital system must be designed for the converter's timing and voltage requirements. Designers should use the manufacturer datasheet for the complete pinout, timing, electrical limits, reference recommendations, and layout requirements. Because the supplied evidence does not include complete pricing, stock, lead-time, or all pin-level details, those items remain explicitly marked or unavailable rather than inferred.

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ADS824E

ADS824E - 10-Bit 70 MSPS ADC | Texas Instruments

The Texas Instruments ADS824E is a 10-bit, 70 MSPS analog-to-digital converter with selectable single-ended or differential input, internal or external reference, programmable input range, power-down capability, and a 28-SSOP package. According to the verified manufacturer-related data, it provides 59 dB SNR, 70 dB SFDR, 0.3 LSB low DNL, 315 mW low power, single +5 V analog supply operation, and +3 V digital output capability. An ADC is an integrated circuit that samples an analog voltage and converts it into a digital code for processing, measurement, or communication. The ADS824E belongs to the ADC/DAC hierarchy and is suited to compact data-acquisition and signal-processing systems where sampling speed, input flexibility, and low power are more important than very high resolution. Its single-ended input supports single-ended signals, while differential operation can improve common-mode rejection and signal integrity when the source is balanced. The ADS824E combines a 70 MSPS conversion rate with a 10-bit quantizer and programmable analog input range. The verified feature summary identifies internal or external reference options, programmable input range, and power-down operation as useful controls for system integration. Its +3 V digital output capability can simplify interfacing to modern digital logic, while the single +5 V analog supply keeps the power architecture compact. The 315 mW power figure makes it relevant to power-conscious acquisition equipment. The converter is designed for applications requiring moderate resolution and high sampling throughput, including industrial instrumentation, communications receivers, waveform capture, sensor interfaces, and embedded control. Differential input can be preferred for noisy analog environments, while single-ended operation can simplify front-end design when the source is referenced to ground. The 28-SSOP package provides a conventional surface-mount footprint, but the exact pinout and mechanical drawing should be confirmed against the manufacturer datasheet before layout. Designers should treat the ADC input as a high-bandwidth analog signal path. Keep input routing short, provide a suitable reference and bypass network, and observe the supply, clock, grounding, and digital-output requirements in the datasheet. Do not assume that a converter with the same family name is a drop-in replacement unless the package, pin mapping, reference configuration, input range, timing, and electrical limits all match. This page combines verified ADS824E specifications, distributor availability information, package details, and practical replacement guidance. It is intended to help engineers evaluate the converter quickly while preserving the distinction between verified data, sourced alternatives, and parameters that require confirmation.

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ADS825E

ADS825E - 10-Bit 40-MSPS Pipeline ADC | Texas Instruments

The Texas Instruments ADS825E is a 10-bit, 40-MSPS sampling analog-to-digital converter with one single-ended or differential input, housed in a 28-pin SSOP package. It supports internal or external references and includes programmable input attenuation. The verified device data identifies a 190 mW low-power figure, 60 dB SNR, 72 dBFS SFDR, and a 4.75 V operating-supply figure in the distributor description. A sampling ADC converts an analog waveform into a sequence of digital codes at a controlled sampling rate. The ADS825E belongs to the ADC, data-converter IC, and semiconductor hierarchies and is intended for systems that require modest resolution but relatively high conversion throughput. Its 10-bit quantizer provides 1,024 code levels, while the 40-MSPS sampling rate supports high-speed measurement, communications, industrial control, and instrumentation signal chains. Key features include 40-MSPS operation, 10-bit resolution, single-ended or fully differential input capability, and internal/external reference options. The verified feature summary reports 60 dB signal-to-noise ratio, 72 dBFS spurious-free dynamic range, and 190 mW power. ADS825E accepts a +3 V clock input according to the TI ADS825 product data, while the package is identified as SSOP-28. These attributes make the converter suitable when compact size and conversion speed matter more than 12-bit or higher numerical resolution. The TI ADS825 family is described as pin-for-pin compatible with the 10-bit ADS823, ADS826, and ADS828 families in SSOP-28. This compatibility supports upgrade paths to higher sampling frequencies, although the replacement must be checked for the exact electrical requirements of the target system. The ADS825E also supports power-down operation and programmable input attenuation according to the family-level description, helping designers manage power and signal conditioning requirements. Typical applications include industrial process measurement, communications infrastructure, test equipment, motor-control feedback, and embedded signal acquisition. In a motor-control system, the ADC can sample current or position feedback, while in communications equipment it can digitize intermediate-frequency or baseband signals. Differential operation can improve common-mode rejection in balanced analog front ends, while single-ended operation simplifies lower-cost sensor interfaces. The verified distributor listing describes the ADS825E as a 10-bit ADC with one input, pipelined architecture, and internal/external reference capability. A key design consideration is analog-input conditioning. The input range, reference choice, clock amplitude, source impedance, and sampling network must be verified against the manufacturer datasheet before layout is finalized. This page consolidates verified distributor information, family compatibility data, pin-compatible alternatives, and application guidance that is not typically available from a basic distributor search result.

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ADS825E/1K

ADS825E/1K - 10-Bit 40-MSPS ADC | Texas Instruments

The Texas Instruments ADS825E/1K is a 10-bit, 40-MSPS sampling analog-to-digital converter with single-ended or fully differential inputs, housed in a 28-pin SSOP package. It accepts a single +5 V supply or a +5 V supply with +5 V-compatible logic I/O, supports internal or external reference operation, and provides a programmable input range for flexible signal-chain design. An ADC is an analog-to-digital converter, a semiconductor that samples a continuous voltage and produces a corresponding digital code for processing, storage, or transmission. The ADS825 belongs to the ADC hierarchy, combining a high-bandwidth sampling architecture with a 10-bit quantizer. Its pipeline operation supports 40 MSPS conversion while maintaining the input flexibility needed for instrumentation, communications, and embedded signal-processing systems. The main performance features include 60 dB signal-to-noise ratio, 72 dBFS spurious-free dynamic range, and low differential nonlinearity of 0.5 LSB. Power consumption is 190 mW, while internal and external reference options permit the analog front end to use either the on-chip reference or a system-level voltage. Single-ended and fully differential input modes also support different source architectures and signal-conditioning requirements. At the center of the device is a 10-bit, 40-MSPS sampling ADC with a high-bandwidth track-and-hold stage. The pipeline architecture converts successive samples at a maximum rate of 40 million samples per second. Differential nonlinearity below 1 LSB is important for uniform code transitions, while the 60 dB SNR and 72 dBFS SFDR help preserve small-signal information and limit unwanted harmonic content in sampled waveforms. Typical applications include communications receivers, industrial monitoring, data acquisition, medical instrumentation, and embedded control systems. Single-ended inputs are useful when the source is referenced to a common ground, while fully differential operation can improve rejection of common-mode noise in balanced systems. The internal reference simplifies standalone converter designs, whereas external-reference operation supports synchronized or precision multi-channel systems. Designers should pay particular attention to input range, reference selection, digital interface timing, and decoupling. The manufacturer identifies the ADS825 as pin-for-pin compatible with the ADS822, ADS823, ADS826, and ADS828 families in the SSOP-28 package, providing a useful upgrade path when conversion speed requirements change. Verify the exact input, reference, and digital timing configuration before replacing one family member with another. This page combines manufacturer specifications, package compatibility information, practical design guidance, and a parameter-focused comparison of supported alternatives. It is intended to help engineers determine whether the ADS825E/1K provides the required resolution, throughput, interface, and package compatibility without overlooking changes in speed or analog configuration.

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ADS826E

ADS826E - 10-Bit, 60-MSPS Pipelined ADC | Texas Instruments

The Texas Instruments ADS826E is a 10-bit, 60-MSPS single-channel pipelined analog-to-digital converter with a 28-pin SSOP package. Its headline specifications are 60 MSPS conversion throughput, 60 dB signal-to-noise ratio, 74 dBFS spurious-free dynamic range, and 265 mW typical power consumption. The ADC supports single-ended or differential analog input, internal or external reference operation, programmable input range, and compatibility with +3 V or +5 V digital logic. An ADC converts an analog voltage into a digital code so that a processor, FPGA, DSP, or control system can process physical signals. The ADS826E belongs to the pipelined ADC class, a high-speed architecture commonly used in communications, instrumentation, industrial control, radar, and test equipment. Its 10-bit resolution represents 1,024 digital levels, making it suitable for applications where sample speed is more important than very fine amplitude resolution. Key features include low differential nonlinearity of 0.25 LSB, a programmable analog input range, a power-down function, and single +5 V analog operation. The supported single-ended and differential input modes provide flexibility for source arrangements and signal conditioning. Internal or external reference selection allows the converter to fit designs with different accuracy and scaling requirements. The 28-SSOP package supports conventional PCB assembly but occupies more board area than a small QFN package. The ADS826E uses a proprietary pipelined conversion method, as identified by the verified distributor and datasheet listings. The architecture supports continuous high-rate sampling while retaining a compact 28-pin SSOP package. Its +3 V/+5 V logic compatibility helps simplify interfacing with digital controllers, although the digital input thresholds, timing, and supply sequencing must still be checked against the manufacturer datasheet before layout release. Typical applications include communications receivers, data acquisition front ends, industrial measurement systems, oscilloscope and instrumentation channels, digital feedback and control loops, and embedded signal processing. For a new design, verify the required input range, reference source, digital interface timing, power sequencing, and thermal performance in the official ADS826E datasheet. Pricing and availability should also be checked with authorized distributors because the verified search data does not provide a current numeric price or lead time. A key design consideration is the analog input network. Input impedance, source capacitance, full-scale range, and the selected differential or single-ended topology must be evaluated together. Keep routing compact, provide the required bypass capacitors, and control clock and digital-output crosstalk. Because the verified data identifies the converter as a 60-MSPS, 10-bit pipelined ADC, PCB signal-integrity and clock routing decisions can materially affect sampling accuracy. This page consolidates the verified specifications, package information, source links, application guidance, and comparison framework for the ADS826E. It does not invent unavailable electrical values, pricing, pin names, lifecycle claims, or replacement specifications; unavailable items are marked for data completion instead.

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ADS8284IRGCR

ADS8284IRGCR - 18-Bit 1MSPS 4-Ch SAR ADC w/ PGA | TI

The Texas Instruments ADS8284IRGCR is an 18-bit, 1-MSPS, pseudo-bipolar differential successive-approximation-register (SAR) analog-to-digital converter with an integrated on-chip ADC driver (OPA) and a 4-channel differential input multiplexer, packaged in a 64-pin VQFN (RGC) measuring 9 mm x 9 mm. The device integrates a low-noise programmable-gain amplifier, a 4-channel analog multiplexer, and the SAR ADC core, forming a complete analog front-end in a single chip. Operating from -40 C to +85 C industrial temperature range, it offers zero latency at full throughput, making it suitable for multi-channel data-acquisition systems. A SAR (successive-approximation-register) ADC is a type of Nyquist-rate converter that uses a binary-search algorithm and an internal DAC to digitize an analog input one bit at a time per clock cycle. SAR ADCs are valued for their deterministic latency, high accuracy, and lack of pipeline delay, sitting within the broader hierarchy of analog-to-digital converters (ADC) -> data converters -> mixed-signal ICs -> semiconductors. The ADS8284's pseudo-bipolar differential input architecture allows true differential signal acquisition with excellent common-mode rejection. Key features include 18-bit resolution with no missing codes, 1 MSPS guaranteed throughput, on-chip 4-V internal reference, integrated programmable-gain amplifier (PGA) with gain settings up to 4, and 4-channel differential input multiplexer. The integrated driver and reference reduce external component count, while the parallel digital interface simplifies connection to FPGAs, DSPs, and microcontrollers. The QFN-64 package provides a compact footprint with an exposed thermal pad for heat dissipation. Typical applications include industrial process control, multi-channel data acquisition systems, medical instrumentation, optical networking power monitoring, and high-precision multi-axis servo control. The 4-channel input multiplexer allows time-multiplexed acquisition of up to four differential signals per IC, reducing board space and BOM cost in multi-sensor systems. Designers should pay close attention to PCB layout guidelines: route analog and digital grounds separately and join at a single point, place decoupling capacitors as close to the supply pins as possible, and use the exposed thermal pad for heat spreading. The on-chip reference requires an external bypass capacitor; refer to the datasheet for the recommended value. This page synthesizes distributor pricing, drop-in replacement alternatives, and practical design notes not found in the manufacturer datasheet. Engineers searching for multi-channel 18-bit SAR ADC solutions will find the integrated PGA and multiplexer of the ADS8284IRGCR to be a compelling, board-space-saving alternative to discrete ADC + driver + MUX implementations.

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ADS828E

ADS828E - 10-Bit 75-MSPS Pipeline ADC | Texas Instruments

The Texas Instruments ADS828E is a 10-bit, 75-MSPS single-input pipeline analog-to-digital converter operating from a single +5 V supply in a 28-pin SSOP package. According to the TI product page, the converter supports single-ended input and can also be operated differentially for improved spurious performance. Its pipeline architecture supports 75 million samples per second, while the 10-bit quantizer targets applications requiring compact, high-speed digitization with parallel data output. An ADC is an analog-to-digital converter, a semiconductor that samples an analog voltage and converts it into a digital code for processing, storage, measurement, or transmission. The ADS828 belongs to the pipeline ADC and data-converter hierarchy, where internal stages operate in sequence to balance conversion speed with circuit complexity. The ADS828E is therefore positioned between general-purpose low-speed ADCs and more complex high-resolution high-speed converters. Key verified features include a resolution of 10 bits, a maximum sampling rate of 75 MSPS, one input, a pipelined architecture, and a 28-pin SSOP package. TI states that the ADS828 is pin compatible with the 10-bit, 40 MSPS ADS822 and ADS825, and with the 10-bit, 60 MSPS ADS823 and ADS826. That compatibility makes the ADS828E a potential board-level upgrade path when a design needs more sampling speed without changing its ADC footprint. The ADS828E is a pipeline CMOS ADC designed around single-ended input operation and differential operation for added spurious performance. Differential operation can help reduce common-mode sensitivity and may improve signal integrity when the analog front end and routing are designed appropriately. The exact input range, reference requirements, output timing, power consumption, and electrical limits were not supplied in the verified search excerpts, so those values must be confirmed in the manufacturer datasheet before design release. Typical uses include industrial control and data acquisition, communications infrastructure, instrumentation, signal monitoring, and embedded measurement systems. A 75-MSPS conversion rate is useful when the system must sample waveforms or rapidly changing analog signals, while 10-bit resolution suits control loops, diagnostics, and digital signal processing stages that do not require very high spectral resolution. The single +5 V supply also simplifies system power architecture compared with converters requiring multiple rails. The primary design consideration is to preserve analog signal integrity from the sensor or amplifier through the ADC input. Use short, controlled-impedance routing, a stable reference arrangement, and decoupling appropriate to the manufacturer recommendations. Confirm acquisition timing, output interface, input range, and clock polarity against the ADS828 datasheet. The page also identifies compatible ADS822E, ADS825E, ADS823E, and ADS826E family options, but their differing sampling rates should be treated as functional trade-offs rather than identical replacements. This product record consolidates the verified TI specifications, distributor identification, package information, and documented pin-compatible family references into an engineering-oriented selection and design reference.

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ADS830E

ADS830E - 8-Bit 60MSPS Pipeline ADC | Texas Instruments

The Texas Instruments ADS830E is an 8-bit, 60 MSPS pipelined Analog-to-Digital Converter (ADC) housed in a 20-pin SSOP package, designed for high-speed signal acquisition from a single +5V supply. Key specifications include 60 MHz maximum sampling rate, 49.5 dB SNR, and 170 mW typical power dissipation. The part supports an internal or external reference and offers both single-ended and differential analog inputs with a programmable input range of 1 Vp-p or 2 Vp-p, with the single-ended input span of 1.5V to 3.5V centered at 2.5V. The ADS830E employs a pipelined CMOS architecture with an internal high-bandwidth track-and-hold and 8-bit quantizer. DNL is specified at 0.2 LSB, preserving linearity for accurate signal capture. The architecture supports an internal reference or an external reference, giving designers flexibility in frequency planning and absolute accuracy. Typical applications include medical imaging front-ends, video digitizing systems, CCD/camera signal processing, IF sampling in communications, and portable instrumentation. The 60 MSPS sampling rate enables full baseband capture of standard-definition video and intermediate-frequency downconversion paths up to several tens of MHz. When designing with the ADS830E, ensure the analog input network is configured to either single-ended (1 Vp-p or 2 Vp-p) or differential topology per the programmable range. Bypass the analog supply pin with a 0.1 uF ceramic capacitor placed within 5 mm of the pin, and keep digital outputs routed away from analog inputs to minimize coupling. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.

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ADS830EG4

ADS830EG4 - 8-Bit 60MSPS Pipelined ADC | Texas Instruments

The Texas Instruments ADS830EG4 is an 8-bit, 60-MSPS pipelined CMOS Analog-to-Digital Converter (ADC) that operates from a single +5V power supply, housed in a 20-pin SSOP package. It provides excellent dynamic performance with a single-ended input and can also be operated with a differential input for improved spurious performance. The device includes an 8-bit quantizer, high-bandwidth track-and-hold, and a high-accuracy internal reference, making it suitable for high-speed signal acquisition. The G4 suffix indicates a Pb-free (lead-free) green RoHS-compliant package version supplied in tape and reel. An Analog-to-Digital Converter (ADC) is a semiconductor device that converts real-world analog signals into discrete digital codes for processing by microcontrollers, DSPs, or FPGAs. Within the broader signal chain hierarchy, an ADC sits between a sensor/amplifier front end and a digital processor; pipeline ADCs use a multi-stage architecture to achieve high sampling rates (tens to hundreds of MSPS) at moderate resolution (8-14 bits), trading latency for speed. The ADS830 belongs to the pipelined ADC subcategory, which is the dominant architecture for communications, video, and imaging applications requiring both high sample rate and continuous streaming conversion. Key features of the ADS830EG4 include a maximum sampling rate of 60 MSPS, single-ended input range of 1.5V to 3.5V (programmable), and a pipelined architecture with internal reference. The device supports both single-ended and differential input modes and is pin-for-pin compatible with the 8-bit, 80-MHz ADS831 for upgrade flexibility. Power consumption is approximately 215 mW at 60 MSPS from a single +5V analog supply, with a power-down mode available for low-duty-cycle applications. The ADS830EG4 is commonly used in digital communications (IF sampling, QAM demodulation), video digitisation (broadcast equipment, professional cameras), CCD imaging scanners, and portable instrumentation. Its single +5V operation simplifies power-tree design in legacy +5V systems, while the SSOP-20 footprint eases hand-soldering and rework in low-volume production. Differential-input mode further enables low-distortion sampling of transformer-coupled IF signals in software-defined radio receivers. When designing with this device, pay attention to input common-mode voltage and reference decoupling. Use a low-impedance analog ground plane, place the input coupling capacitor close to the AIN pin, and provide a clean +5V AVDD rail with 0.1uF and 10uF decoupling. For best SFDR in IF-sampling applications, operate the input in differential mode with a wideband balun. Refer to the TI ADS830 datasheet (SBAS167 family) for full application-circuit recommendations and timing diagrams. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone.

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ADS8318IDRCR

ADS8318IDRCR - 16-Bit 500kSPS SAR ADC | Texas Instruments | SON-10

The Texas Instruments ADS8318IDRCR is a 16-bit, 500-kSPS, serial-interface, micropower, miniature SAR analog-to-digital converter in a 10-pin VSON (DRC) 3x3 mm package. According to TI's product page, the device operates from a single 4.5V to 5.5V supply, supports a unipolar differential input, and delivers serial output through an SPI/QSPI/MICROWIRE-compatible port. The ADS8318 achieves 16-bit no-missing-code performance with an integral non-linearity (INL) of ±0.0023% FSR and a conversion time of approximately 1.4 us, making it well suited for high-precision data acquisition. A SAR (Successive Approximation Register) ADC is a type of analog-to-digital converter that uses a binary search algorithm against an internal precision DAC to digitize an input voltage in N clock cycles, where N is the resolution in bits. SAR ADCs offer deterministic latency, no pipeline delay, and excellent DC accuracy, which is why they are widely used in precision industrial sensing, weigh scales, instrumentation, and process control. Within the broader taxonomy, the SAR ADC belongs to the data converter family, which sits inside signal chain ICs and ultimately under power management and analog signal chain semiconductors. Key features include an unipolar differential input that simplifies front-end signal conditioning, ultra-low power dissipation of approximately 18 mW at 500 kSPS, and a power-down mode that reduces current to a few microamps between conversions. The device uses an external reference voltage, allowing the user to trade off input range versus noise. Its SPI-compatible serial interface reduces board-routing complexity compared to parallel ADCs, while the small 3x3 mm VSON package enables high-density layouts. In terms of architecture, the ADS8318 integrates a sample-and-hold, a precision DAC, a comparator, and an SAR register. The conversion process is initiated by CONVST and completed via an external serial clock. The DRC package includes an exposed thermal pad to lower junction-to-board thermal resistance, which helps the part sustain 500 kSPS throughput without thermal throttling in compact layouts. Typical uses span handheld test equipment, multi-channel data-acquisition systems, optical module monitoring, battery management systems, and industrial process control. The differential input is especially valuable where ground-loop noise or single-ended signal swings must be rejected. When designing with this part, pay close attention to the reference bypass network (a 10 uF tantalum in parallel with 0.1 uF ceramic is typical), keep analog and digital grounds separated until they meet at a single point, and avoid driving the analog input directly from a high-impedance source without an input buffer. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes that go beyond what the manufacturer datasheet alone provides.

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ADS831E

ADS831E - 8-Bit 80-MSPS ADC | Texas Instruments

The Texas Instruments ADS831E is an 8-bit, 80-MSPS single-input pipelined CMOS analog-to-digital converter in a 20-pin SSOP package. It operates from a single +5 V supply and accepts single-ended or differential analog inputs, with a verified single-ended input range of 1.5 V to 3.5 V. An ADC is a data-acquisition semiconductor that samples an analog voltage and converts it into a digital code. The ADS831E belongs to the pipeline ADC family within data converters and ICs. Its high-bandwidth track-and-hold circuit samples the input rapidly, while the pipeline architecture supports conversion rates up to 80 million samples per second for communications, video, medical imaging, and test-instrumentation systems. Key verified features include an 8-bit quantizer, 80-MSPS maximum sampling rate, 49 dB high SNR, 275 mW low power, 0.35 LSB low DNL, internal or external reference options, and programmable input range. The converter supports single-ended operation for conventional analog signals and differential operation when improved spurious performance is required. The device operates from one +5 V supply and is specified in a 20-SSOP package. The TI product page identifies low distortion and high SNR as useful for medical imaging, communications, video, and test instrumentation. The verified single-ended range is 1.5 V to 3.5 V, giving the system designer a defined input window for analog front-end scaling and reference selection. Typical signal-chain implementation places the analog source, driver or front end, and ADS831E before a digital processor or FPGA. The 80-MSPS rate supports high-speed waveform acquisition, communications-channel digitization, video sampling, and instrumentation. Differential input can reduce common-mode sensitivity and improve spurious performance, while internal reference support simplifies designs that do not require an external reference voltage. Designers should confirm the complete electrical limits, reference requirements, timing, pin functions, and thermal limits in the TI ADS831 datasheet and the ADS831E ordering information. The available verified data does not establish a public price for every quantity tier, so purchasing decisions should use distributor confirmation rather than an assumed price.

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ADS831E/2K5G4

ADS831E/2K5G4 - 8-Bit 80MSPS ADC, 5V, SSOP-20 | Texas Instruments

The Texas Instruments ADS831E/2K5G4 is an 8-bit, 80 MSPS pipelined analog-to-digital converter (ADC) with one single-ended or differential input channel and a parallel digital interface, supplied on a 20-pin SSOP (0.154 inch / 3.90 mm body width) tape-and-reel package. It operates from a single +5 V supply, supports an internal or external reference, and provides a programmable input range of ±2 Vp-p. Key headline parameters are 80 MSPS sampling rate, 49 dB SNR, 275 mW typical power dissipation, and 0.35 LSB DNL. An ADC (analog-to-digital converter) is a data-acquisition integrated circuit that samples continuous analog signals and quantizes them into discrete digital codes for processing by microcontrollers, DSPs, FPGAs, or ASICs. Pipeline ADCs like the ADS831E use a multi-stage architecture that converts one sample per clock cycle after a fixed latency, achieving a strong balance between sampling speed, resolution, and power consumption; they sit within the broader taxonomy of Nyquist-rate ADCs alongside successive-approximation register (SAR) and flash converters, and belong to the data-converter family of mixed-signal ICs. The device includes a high-bandwidth track-and-hold (T/H), an 8-bit quantizer, an internal bandgap-derived reference that can be overdriven by an external reference, and a programmable input range set by an external resistor. The differential input mode yields improved spurious-free dynamic range (SFDR) compared to single-ended operation, which is valuable when sampling IF or baseband signals in communications receivers. CMOS pipeline architecture delivers low-power operation at 275 mW typical while maintaining the 49 dB SNR figure at the Nyquist frequency. Typical applications include CCD imaging front ends, digital still cameras, video capture cards, set-top box video digitizers, portable medical imaging devices, communications IF sampling, and general-purpose high-speed data acquisition. The 5 V analog supply and parallel interface simplify integration into legacy industrial designs and FPGA-based DSP pipelines. When designing with this part, observe the input common-mode range when using the internal reference and place the input RC network close to the analog input pin to preserve the wide track-and-hold bandwidth; for best SNR use the differential input mode and bypass the reference pin with a low-ESR 10 uF tantalum plus 0.1 uF ceramic combination as recommended in the manufacturer datasheet.

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ADS8320-HT

ADS8320-HT - 16-Bit 100kSPS High-Temp SAR ADC | Texas Instruments

The Texas Instruments ADS8320-HT is a 16-bit, high-speed, micropower successive approximation register (SAR) analog-to-digital converter, ensured over a 2.7V to 5.25V supply range and rated for -55C to +210C operation in an 8-pin ceramic surface-mount package. It samples at up to 100 kSPS while drawing very little power. An ADC converts continuous analog signals into discrete digital values for processing by MCUs or DSPs. Within the data-converter hierarchy, the ADS8320-HT belongs to the SAR ADC family, which trades lower throughput than delta-sigma converters for low latency, low power, and simple single-shot operation - ideal for high-temperature data acquisition nodes. Key features include true 16-bit resolution, a differential input for flexible signal conditioning, and a reference input that accepts any voltage from 500 mV to VCC, letting designers scale the full-scale range to match sensors directly. The synchronous serial interface (SPI/SSI compatible) connects easily to microcontrollers and DSPs. Micropower consumption at the full 100 kSPS data rate makes it one of the few 16-bit ADCs viable for battery-operated high-temperature systems. Architecturally, the SAR core uses an internal sample-and-hold with capacitor DAC, providing deterministic conversion latency with no pipeline delay. Ensured specifications across the full -55C to +210C range - rather than the -40C to +125C industrial limit of standard parts - distinguish the -HT grade, enabled by TI's high-temperature qualification flow and hermetic ceramic packaging that resists long-term thermal stress. Typical applications include downhole drilling telemetry, jet-engine and geothermal sensing, industrial process monitoring near furnaces, and aerospace instrumentation, where silicon reliability above 150C is mandatory and power budgets are tight. Design tip: decouple VCC and REF carefully at 210C, since reference noise directly scales with the reduced full-scale range; use low-ESR ceramic capacitors rated for the temperature and keep the serial clock lines short to preserve 16-bit noise performance.

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ADS8320E/2K5

ADS8320E/2K5 - 16-Bit 100kHz SAR ADC | Texas Instruments

The Texas Instruments ADS8320E/2K5 is a 16-bit, 100-kHz sampling analog-to-digital converter in an 8-pin VSSOP package. The manufacturer specifies ensured operation over a 2.7 V to 5.25 V supply range and describes operation from 2 V to 5.25 V, with a synchronous serial interface compatible with SPI/SSI, a differential input, and a reference adjustable from 500 mV to VCC. Its low power consumption makes it suitable for portable and battery-operated measurement systems. An ADC is an analog-to-digital converter, a semiconductor that samples a continuous voltage and produces a corresponding numeric code. This ADS8320 belongs to the SAR ADC family, in which a successive-approximation conversion cycle progressively resolves the input voltage. Compared with flash, pipeline, and sigma-delta architectures, SAR ADCs are commonly selected for moderate resolution, compact implementation, low power, and direct sequential data output. The headline characteristics are 16-bit resolution, a 100-kHz sampling rate, and operation from 2.7 V to 5.25 V. The device uses one SAR input, offers a differential input, and can operate with very little power even at the full 100-kHz data rate. A 3-uA maximum power-down current further supports low-duty-cycle acquisition. Its synchronous serial interface simplifies connection to microcontrollers and dedicated digital controllers while supporting SPI/SSI-compatible signaling. The reference-voltage arrangement provides another key design dimension: TI states that the reference can be set to any level from 500 mV to VCC. Full-scale accuracy therefore depends not only on the ADC but also on reference quality, analog front-end conditioning, source impedance, and printed-board contamination. Designers must preserve the differential input topology and account for acquisition time when planning conversion timing around the 100-kHz maximum data rate. Typical uses include battery-powered instrumentation, portable industrial sensors, process monitoring, low-energy edge acquisition, and embedded measurement systems. The VSSOP package reduces board area, but analog layout still requires a quiet reference, controlled return paths, and decoupling close to the supply pins. The device is best suited to applications whose required bandwidth is within the SAR ADC's 100-kHz sampling capability and whose dynamic range benefits from a 16-bit result. For implementation, verify the complete pinout and timing values in the manufacturer datasheet rather than inferring them from the VSSOP outline. Keep the analog input path short, place bypass capacitors close to the device, and avoid routing digital clock and serial-data traces beneath sensitive analog nodes. Validate gain, offset, and noise performance with the intended source impedance and reference implementation. This product page combines the verified TI product information, manufacturer datasheet link, distributor references, package information, and practical engineering guidance. It is intended to help engineers identify whether the ADS8320E/2K5 fits a low-power, 16-bit SAR measurement design before purchasing or committing to a PCB layout.

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ADS8322YB/2KG4

ADS8322YB/2KG4 - 16-Bit 500kSPS SAR ADC, 32-TQFP | Texas Instruments

The Texas Instruments ADS8322YB/2KG4 is a 16-bit, 500kSPS successive approximation register (SAR) analog-to-digital converter with an internal 2.5V reference, offered in a 32-pin TQFP (5x5 mm) package. It accepts a unipolar input range, draws low power at 500 kHz throughput, and provides either a full 16-bit parallel interface or an 8-bit mode using two read cycles across eight pins. A SAR ADC is a type of analog-to-digital converter that uses a binary search algorithm against an internal precision DAC to determine each bit sequentially within one conversion cycle. SAR ADCs sit in the signal chain between the analog front end (sensor, amplifier, anti-alias filter) and the digital controller (FPGA, MCU, DSP); they offer deterministic latency, no pipeline delay, and inherently good DC accuracy - making them the converter class of choice for multiplexed data acquisition, industrial control loops, and precision instrumentation. Key features of the ADS8322YB/2KG4 include a 16-bit capacitor-based SAR core with inherent sample-and-hold, an integrated 2.5V reference (eliminating an external reference IC and saving BOM cost), low power consumption at 500 kSPS throughput, and a parallel interface that supports either 16-bit or 8-bit bus mode. The /2K suffix indicates tape-and-reel packaging, while G4 denotes a Pb-free (lead-free) finish. Architecturally, the device combines a charge-redistribution DAC, a precision internal bandgap reference, and a successive-approximation register. The single 5V supply simplifies system power, and the high-speed parallel interface allows direct connection to FPGAs and DSPs without glue logic. Compared with pipelined ADCs of similar speed, the ADS8322 delivers better DC linearity for multiplexed-channel scanning because there is no pipeline latency to flush between conversions. Typical applications include data acquisition systems, industrial process control, optical networking power monitoring, portable instrumentation, and battery-powered test equipment. Designers also use the part in precision weigh scales, medical patient monitoring front ends, and motor-control feedback loops. When designing with the ADS8322YB/2KG4, ensure the analog input is driven by a low-impedance buffer with sufficient bandwidth to settle within the acquisition window, and use a clean 5V analog supply well decoupled at the AVdd pin. The /2K G4 ordering code identifies lead-free tape-and-reel packaging. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.

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ADS8324EB/250G4

ADS8324EB/250G4 - 14-Bit 50kSPS ADC 1.8V | Texas Instruments

The Texas Instruments ADS8324EB/250G4 is a 14-bit, 50-kSPS, 1.8-V micropower sampling analog-to-digital converter (ADC) housed in an 8-pin MSOP (PowerPAD) package. It features a synchronous SPI/SSI-compatible serial interface, a differential analog input, and an internal reference that can be set to any level from 500 mV to VCC/2. The /250G4 suffix indicates 250-piece tape-and-reel packaging with green/RoHS compliance and is pin-compatible with the older ADS7817 family. An ADC (analog-to-digital converter) is a mixed-signal integrated circuit that converts real-world analog voltages into discrete digital codes, sitting within the data-converter hierarchy of signal chain ICs (sensor -> amplifier -> ADC -> digital processor). Successive-approximation-register (SAR) ADCs like the ADS8324 achieve deterministic latency, low power, and high DC accuracy - ideal for multiplexed low-frequency precision measurements where battery life and small board area matter as much as raw speed. Key specifications include 14-bit resolution with no missing codes, 50 kSPS maximum throughput, 1.8 V single-supply operation, a 3-microamp maximum power-down current, and a 2.7 mA typical active current. The bipolar differential input accepts input ranges up to ±VREF, where the internal reference supports 500 mV to VCC/2. The serial interface uses an external clock for SAR conversions and outputs MSB-first data with a 2-state flag bit. Architecturally, the converter combines a charge-redistribution SAR core with an internal reference buffer, auto-power-down between conversions, and a daisy-chainable serial output. The device's 1.8 V supply and 3-microamp power-down current make it a benchmark for battery-powered precision instrumentation where every microwatt of quiescent draw matters. Typical applications include portable and battery-operated data loggers, remote sensor modules, isolated data acquisition front-ends, simultaneous multi-channel systems, handheld instrumentation, and GPS accessory modules. Its pin-compatibility with the ADS7817 family allows drop-in upgrade of legacy 12-bit designs to 14-bit resolution without PCB rework. When designing with the ADS8324, decouple VCC with a 0.1 µF ceramic capacitor placed within 5 mm of the supply pin and provide a 10 µF bulk capacitor on the reference pin. The CONVST signal must be clean; route DCLK and DOUT as 50-ohm-controlled traces and ensure the CS/DOUT timing satisfies the t_CNV and t_CK specifications. This page synthesizes distributor pricing, drop-in pin-compatible alternatives, and practical design notes that complement the manufacturer datasheet for engineers evaluating the ADS8324EB/250G4 for new designs or as a second-source qualification candidate.

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ADS8328IRSAR

ADS8328IRSAR - 16-Bit 500kSPS 2-Channel SAR ADC | Texas Instruments

The Texas Instruments ADS8328IRSAR is a 16-bit, 500-kSPS, low-power successive-approximation-register (SAR) analog-to-digital converter with a 2-to-1 input multiplexer, offered in a 16-pin VQFN (RSA) package with exposed thermal pad. It operates from a single analog supply of 2.7 V to 5.5 V and a digital I/O supply of 1.65 V to 5.5 V, drawing only 10 mW at full throughput. The device integrates a high-speed synchronous serial interface compatible with DSP, SPI, and frame-sync protocols, and supports chain-mode daisy-chaining of multiple converters. An SAR ADC (successive-approximation-register analog-to-digital converter) is a sampled-data converter class that resolves N bits in N clock cycles by switching a binary-weighted capacitor DAC against the input. SAR ADCs occupy the middle ground between flash converters (fastest, lowest resolution) and sigma-delta (highest resolution, slowest). The ADS8328 belongs to the precision-signal-chain IC family, sitting under data converters (ADC/DAC) in the broader signal-chain taxonomy, with a single +5 V analog supply as its typical operating rail. Key features include ±0.5 LSB typical INL and ±0.5 LSB typical DNL, a 2-to-1 input MUX with programmable TAG-bit output for channel identification, and 1.636 µs typical conversion time. The device also offers a flexible power-down state that reduces supply current to <1 µA between conversions, plus an offset-calibration command and an internal 20 MHz serial clock. The wide digital I/O range (1.65 V to 5.5 V) allows direct interfacing to 1.8 V, 3.3 V, and 5 V microcontrollers and DSPs without level shifters. Architecturally, the ADS8328IRSAR uses a charge-redistribution capacitor DAC with inherent sample-and-hold, which preserves the input signal during the conversion window and supports takt-manager placement of the input capacitor on each channel. The 2:1 MUX and TAG bit allow multi-channel data acquisition on a single serial bus, while chain-mode operation lets up to 16 devices share one CS line for 32-channel systems. Typical applications include portable industrial data loggers, multi-channel battery-pack monitors, optical-module photodiode readout, medical instrumentation signal chains, and precision sensor front ends. The wide analog supply tolerance makes it suitable for both 3.3 V and 5 V designs. When designing with this device, ensure adequate input bandwidth and use a low-impedance input buffer when driving from high-impedance sensors. The serial interface clock can be sourced from the host or generated by the ADC's internal oscillator. This page synthesizes distributor pricing, verified drop-in alternatives, and practical design notes not found in the manufacturer datasheet.

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ADS8341E

ADS8341E - 16-Bit 4-Channel 100kHz ADC | Texas Instruments

The Texas Instruments ADS8341E is a 16-bit, 4-channel serial-output sampling analog-to-digital converter with a 100 kHz conversion rate, 86 dB SINAD, and an SSOP-16 package. The device accepts four single-ended inputs or two differential inputs and uses a synchronous serial interface for data transfer. It is also identified as pin-for-pin compatible with the ADS7841, providing a defined migration path for existing designs. A sampling ADC is a data-acquisition semiconductor that converts an analog voltage into a digital value through a sample-and-hold stage and successive-approximation conversion. The ADS8341E belongs to the ADC > data converter > signal-chain IC hierarchy. Its onboard input multiplexer reduces the number of external analog switches required, while its synchronous serial interface supports economical connections to microcontrollers, digital signal processors, and isolated data-acquisition systems. The principal specifications include 16-bit resolution, four single-ended or two differential input channels, and a maximum stated conversion rate of 100 kHz. The manufacturer data reports 86 dB SINAD for signal-quality evaluation. Typical power dissipation is approximately 8 mW when operating at the 100 kHz throughput rate with a 5 V supply, making the device suitable for portable and battery-operated instrumentation where conversion speed, channel count, and power must be balanced. Technically, the ADS8341E combines an input multiplexer, sample-and-hold circuitry, a 16-bit successive-approximation ADC, and a synchronous serial output stage in one package. This integration simplifies analog channel selection and digital data acquisition. The serial interface can also reduce the number of interconnections required to reach a remote or isolated acquisition boundary, although the complete system still requires an appropriate reference, source impedance, layout, and digital interface implementation. Typical applications include personal digital assistants, portable multichannel data loggers, measurement equipment, industrial process monitoring, and low-cost isolated remote data-acquisition systems. Its four-channel architecture is especially useful when several slowly varying analog sensors must share one converter, while the 100 kHz conversion capability supports higher-rate instrumentation than a slow general-purpose ADC. Designers should account for the 5 V operating condition cited for the typical 8 mW power figure, provide suitable analog and reference bypassing, and keep sensitive input and reference traces short. Before replacing another converter, verify the complete pinout and serial protocol rather than relying only on package similarity. The published ADS7841 compatibility is a useful starting point, but PCB changes require confirmation against the manufacturer data.

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ADS8342IBPFBR

ADS8342IBPFBR - 16-Bit 250kSPS 4-Ch SAR ADC | Texas Instruments

The Texas Instruments ADS8342IBPFBR is a 16-bit, 4-channel, parallel-output successive approximation register (SAR) analog-to-digital converter sampling at up to 250 kSPS while dissipating only 200 mW from a ±5 V supply. Housed in a TQFP-48 (PFB) package with industrial -40°C to +85°C operation, this ADC combines a true-bipolar 4-channel input multiplexer with an inherent sample-and-hold and 16-bit ensured no-missing-codes performance. A SAR ADC is a successive-approximation-register analog-to-digital converter that uses an internal capacitive DAC and comparator to perform a binary search across the input voltage each conversion cycle. SAR ADCs excel at medium-resolution, medium-speed precision measurements because they are deterministic in latency, free of pipeline delay, and exhibit excellent DC linearity, making them the standard choice for multiplexed data-acquisition systems, industrial process control, and precision instrumentation where one sample per channel per cycle is acceptable. Key features include true bipolar input signal range on each of the four channels (selectable ±VREF input spans), 1 mV max channel offset, integrated 4-to-1 analog multiplexer with channel-by-channel conversion, parallel 3-state output drivers for direct microprocessor interface, and a hardware-triggered conversion start. The capacitive-DAC SAR core achieves ±4 LSB maximum INL at the I-grade and ±6 LSB at the standard grade, ensuring monotonic 16-bit performance across the full industrial temperature range. Architecturally, the ADS8342 pairs a binary-weighted capacitor DAC array with a low-noise comparator and on-chip reference buffer, while a state-machine controller sequences acquisition, conversion, and output. The wide bipolar input range eliminates front-end signal conditioning for many industrial sensors, and the 250 kSPS aggregate throughput lets one ADC service up to four sensors without additional switching. The 3-state parallel bus simplifies connection to FPGAs, DSPs, and microprocessors, while the synchronous /CS and BUSY handshake makes system integration straightforward. Typical applications include multi-channel data acquisition systems, industrial process control front ends, precision instrumentation, weigh scales and load-cell digitizers, and portable or battery-powered measurement equipment. Designers select the ADS8342 when they need guaranteed 16-bit no-missing-codes performance, true bipolar inputs on multiple channels, and parallel-interface simplicity without an integrated PGA. When designing with this part, ensure the analog input is bandwidth-limited well below the Nyquist rate and that the external reference is low-noise and well-decoupled to preserve the 16-bit DC accuracy. The /BUSY output must be monitored by the host to avoid bus contention during conversion, and the analog supply must be heavily bypassed with both bulk and ceramic capacitors placed close to the AVDD pin. This page synthesizes real-time distributor pricing from DigiKey and Mouser, drop-in alternative guidance from TI's cross-reference catalog, and practical PCB-layout / reference-decoupling notes that engineers need but that the bare manufacturer datasheet does not consolidate in one place.

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ADS8342IPFBR

ADS8342IPFBR - 16-Bit 250kSPS 4-Ch SAR ADC | Texas Instruments

The Texas Instruments ADS8342IPFBR is a 16-bit, 4-channel, 250 kSPS successive-approximation-register (SAR) analog-to-digital converter with a parallel output interface, supplied in a 48-pin TQFP (PFB) package. The device accepts 4 true-bipolar input channels, dissipates approximately 200 mW from ±5 V analog and +5 V digital supplies, and is specified for the industrial -40 °C to +85 °C temperature range. Key headline specifications include 16-bit no-missing-code resolution, 250 kSPS throughput, 34 µs maximum conversion time, and a 1 mV maximum offset error. A SAR ADC (Successive Approximation Register Analog-to-Digital Converter) is a type of data converter that performs a binary search against the analog input using an internal DAC and comparator, producing one bit per clock cycle. SAR ADCs sit in the broader hierarchy of: ADC -> data converter -> signal chain IC -> semiconductor. Compared with delta-sigma and pipeline ADCs, SAR architectures offer deterministic latency, low latency-to-resolution trade-offs, and excellent DC accuracy without requiring complex anti-alias filtering, which is why they dominate multiplexed industrial acquisition, instrumentation, and motor-control front-ends. Differentiating features of the ADS8342IPFBR include a 4-channel true-bipolar input multiplexer with software-configurable unipolar or bipolar ranges, an internal sample-and-hold, a 16-bit guaranteed-no-missing-codes parallel interface, and 3-state driver outputs that connect directly to a microprocessor data bus. The converter requires an external reference voltage of typically +2.5 V and a 5 MHz external clock. Per the TI ADS8342 datasheet (SBAS277, dated May 2003), the device achieves 0.0092 % maximum linearity error and 87 dB typical SNR at 10 kHz input. The SAR architecture combined with the capacitor-based DAC delivers low aperture uncertainty and fast acquisition, making the device well suited to multiplexed multi-channel data-acquisition systems where sequential channel switching is required. The parallel 16-bit output minimizes host CPU overhead compared with serial-output ADCs, and the 3-state outputs simplify bus-sharing with memory or other peripherals. Typical applications include multi-channel data-acquisition systems (DAQ), industrial process-control front-ends, portable instrumentation, medical monitoring equipment, and precision sensor signal conditioning. The wide bipolar input range allows direct connection to ±5 V or ±10 V transducer outputs after simple external resistor scaling. The 48-pin TQFP package provides easy board assembly in moderate-density designs. When designing with this part, place the external 2.5 V reference and reference decoupling capacitors as close to the REF pin as possible, and provide a low-impedance analog ground plane to minimize conversion noise. For best DC linearity, use 1 % or better external input scaling resistors and ensure the CLK input has a clean 50 % duty-cycle source. This page synthesizes distributor pricing, same-brand drop-in alternatives, and practical design guidance beyond what is shown in the TI datasheet alone.

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ADS8342IPFBRG4

ADS8342IPFBRG4 - 16-Bit 250kSPS 4-Ch Bipolar ADC | Texas Instruments

The Texas Instruments ADS8342IPFBRG4 is a 16-bit, 250 kSPS, 4-channel, true-bipolar analog-to-digital converter (ADC) with a parallel output interface, packaged in a 48-pin TQFP (PFB). It accepts four true bipolar input channels and provides a parallel interface selectable between 8-bit and 16-bit bus modes for direct connection to microprocessors, microcontrollers, and DSPs. Sampling at up to 250 kSPS while drawing only 200 mW from a ±5 V analog supply, the ADS8342IPFBRG4 fits between slow precision converters and high-speed unipolar ADCs in cost-sensitive industrial data-acquisition front-ends. An ADC (analog-to-digital converter) is a mixed-signal integrated circuit that samples a continuous analog input voltage and produces a discrete digital code proportional to the input. The ADS8342IPFBRG4 is a successive-approximation-register (SAR) ADC, which uses a capacitor-based charge-redistribution digital-to-analog converter (CDAC) and an internal sample-and-hold to acquire the input in a single conversion cycle per channel. Within the broader taxonomy, the ADS8342IPFBRG4 sits at: ADC -> SAR ADC -> bipolar-input ADC -> parallel-output ADC -> data-acquisition IC -> semiconductor IC. This positioning determines its ideal use cases versus sigma-delta ADCs (higher resolution, lower speed), pipeline ADCs (faster, unipolar), and integrating ADCs (slowest, highest noise rejection). Key features include 16-bit no-missing-codes guaranteed performance, four true bipolar input channels (±VREF range per channel) selected by an internal multiplexer, low input-referred offset (1 mV max), selectable 8-bit / 16-bit parallel interface, single-ended analog supply operation from a ±5 V split (or 5 V single with proper input conditioning), low 200 mW power dissipation, and a TQFP-48 surface-mount package rated for -40 °C to +85 °C industrial operating range. The suffix -RG4 indicates reel-packaging tape-and-reel with lead-free terminations. Internally, the ADS8342IPFBRG4 combines a low-noise reference buffer, a high-impedance input multiplexer, a charge-redistribution 16-bit SAR core, and a 3-state parallel output driver. The bipolar input structure is implemented with a front-end analog level-shifter, allowing each channel to digitize voltages that cross the analog ground rail, which is essential when measuring transducer outputs that swing above and below 0 V. Typical applications include industrial process-control instrumentation, multi-channel data-acquisition systems (DAQs), test and measurement equipment front-ends, medical instrumentation signal conditioning, and factory-automation analog input modules. Each of these scenarios benefits from the 4-channel input multiplexer that reduces system cost by eliminating external channel-switching components. When designing with this device, pay attention to analog supply decoupling, keep digital return currents separate from analog grounds, and provide adequate reference bypassing. A low-noise external reference is critical for achieving 16-bit performance; using the on-chip reference or a noisy supply reference will degrade SNR and integral nonlinearity. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet, providing engineering value beyond what DigiKey or Mouser product pages offer.

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الفئات الفرعية

المنتجات (39,000+)

ADS821U - 10-Bit 40-MSPS ADC | Texas Instruments | Signal Capture

ADS822E - 10-Bit, 40-MSPS Pipelined ADC | Texas Instruments

ADS822EG4 - 10-Bit 40MSPS ADC w/ Int/Ext Ref | Texas Instruments

ADS823E - 10-Bit 60-MSPS ADC | Texas Instruments

ADS824E - 10-Bit 70 MSPS ADC | Texas Instruments

ADS825E - 10-Bit 40-MSPS Pipeline ADC | Texas Instruments

ADS825E/1K - 10-Bit 40-MSPS ADC | Texas Instruments

ADS826E - 10-Bit, 60-MSPS Pipelined ADC | Texas Instruments

ADS8284IRGCR - 18-Bit 1MSPS 4-Ch SAR ADC w/ PGA | TI

ADS828E - 10-Bit 75-MSPS Pipeline ADC | Texas Instruments

ADS830E - 8-Bit 60MSPS Pipeline ADC | Texas Instruments

ADS830EG4 - 8-Bit 60MSPS Pipelined ADC | Texas Instruments

ADS8318IDRCR - 16-Bit 500kSPS SAR ADC | Texas Instruments | SON-10

ADS831E - 8-Bit 80-MSPS ADC | Texas Instruments

ADS831E/2K5G4 - 8-Bit 80MSPS ADC, 5V, SSOP-20 | Texas Instruments

ADS8320-HT - 16-Bit 100kSPS High-Temp SAR ADC | Texas Instruments

ADS8320E/2K5 - 16-Bit 100kHz SAR ADC | Texas Instruments

ADS8322YB/2KG4 - 16-Bit 500kSPS SAR ADC, 32-TQFP | Texas Instruments

ADS8324EB/250G4 - 14-Bit 50kSPS ADC 1.8V | Texas Instruments

ADS8328IRSAR - 16-Bit 500kSPS 2-Channel SAR ADC | Texas Instruments

ADS8341E - 16-Bit 4-Channel 100kHz ADC | Texas Instruments

ADS8342IBPFBR - 16-Bit 250kSPS 4-Ch SAR ADC | Texas Instruments

ADS8342IPFBR - 16-Bit 250kSPS 4-Ch SAR ADC | Texas Instruments

ADS8342IPFBRG4 - 16-Bit 250kSPS 4-Ch Bipolar ADC | Texas Instruments