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ADS8638 - SAR Analog-to-Digital Converter

Download the ADS8638 datasheet PDF. This datasheet also covers the ADS8634 variant, as both devices belong to the same sar analog-to-digital converter family and are provided as variant models within a single manufacturer datasheet.

General Description

The ADS8634 and ADS8638 (ADS8634/8) are 12-bit analog-to-digital converters (ADCs) capable of measuring inputs up to ±10V at 1MSPS.

Using a successive approximation register (SAR) core, these ADCs provide a sample-and-hold front-end with no latency in conversions.

Key Features

  • 1.
  • 23 Selectable Input Range: ±10V, ±5V, ±2.5V, 0V to 10V, or 0V to 5V Up to ±12V with External Reference.
  • No Latent Conversions Up to 1MSPS.
  • Outstanding Performance: 12 Bits No Missing Codes INL: ±0.9LSB SNR: 71.8dB.
  • Highly Integrated: 4- or 8-Channel Input Mux Temperature Sensor Internal Voltage Reference Alarm Thresholds for Each Channel.
  • Low Power: 14.45mW at 1MSPS 5.85mW at 0.1MSPS Flexible Power-Down Mode.
  • SPI™-Compatible Serial Interfac.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (ADS8634-etcTI.pdf) that lists specifications for multiple related part numbers.

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Other Datasheets by Texas Instruments

Part Number Description
ADS8634 SAR Analog-to-Digital Converter
ADS8661 SAR ADC
ADS8664 SAR ADC
ADS8665 SAR ADC
ADS8668 SAR ADC

Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

View original datasheet text
ADS8634 ADS8638 www.ti.com SBAS541A – MAY 2011 – REVISED AUGUST 2011 12-Bit, 1MSPS, 4-/8-Channel, Bipolar-Input, SAR Analog-to-Digital Converter with Software-Selectable Ranges Check for Samples: ADS8634, ADS8638 FEATURES 1 •23 Selectable Input Range: ±10V, ±5V, ±2.5V, 0V to 10V, or 0V to 5V Up to ±12V with External Reference • No Latent Conversions Up to 1MSPS • Outstanding Performance: 12 Bits No Missing Codes INL: ±0.9LSB SNR: 71.8dB • Highly Integrated: 4- or 8-Channel Input Mux Temperature Sensor Internal Voltage Reference Alarm Thresholds for Each Channel • Low Power: 14.45mW at 1MSPS 5.85mW at 0.