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ADS8634 - SAR Analog-to-Digital Converter

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.

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Other Datasheets by Texas Instruments

Part Number Description
ADS8638 SAR Analog-to-Digital Converter
ADS8661 SAR ADC
ADS8664 SAR ADC
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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.

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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.