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ADS8863 - SAR Analog-to-Digital Converter

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General Description

The ADS8863 is a 16-bit, 680-kSPS, true-differential input, analog-to-digital converter (ADC).

The device operates with a 2.5-V to 5-V external reference, offering a wide selection of signal ranges without additional input signal scaling.

The reference voltage setting is independent of, and can exceed, the analog supply voltage (AVDD).

Overview

ADS8863 www.ti.com SBAS571A – MAY 2013 – REVISED DECEMBER 2013 16-Bit, 680-kSPS, Serial Interface, microPower, Miniature, True-Differential Input, SAR Analog-to-Digital Converter Check for Samples:.

Key Features

  • 1.
  • 234 Sample Rate: 680 kHz.
  • No Latency Output.
  • Unipolar, True-Differential Input Range:.
  • VREF to +VREF.
  • Wide Common-Mode Voltage Range: 0 V to VREF with 90-dB CMRR (min).
  • SPI™-Compatible Serial Interface with Daisy-Chain Option.
  • Excellent AC and DC Performance:.
  • SNR: 96 dB, THD:.
  • 115 dB.
  • INL: ±1.0 LSB (max).
  • DNL: ±1.0 LSB (max), 16-Bit NMC.
  • Wide Operating Range:.
  • AVDD: 2.7 V to 3.6.

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