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ADS8881 Datasheet SAR Analog-to-Digital Converter

Manufacturer: Texas Instruments

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General Description

The ADS8881 is an 18-bit, 1-MSPS, 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

Product Folder Sample & Buy Technical Documents Tools & Software Support & Community Reference Design ADS8881 SBAS547D – MAY 2013 – REVISED AUGUST 2015 ADS8881x 18-Bit, 1-MSPS, Serial Interface, microPower, Miniature,.

Key Features

  • 1 Sample Rate: 1 MHz.
  • 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:.
  • ADS8881C: INL: ±1 LSB (typ), ±2.0 LSB (max) DNL: ±1.0 LSB (max), 18-Bit NMC SNR: 100 dB, THD:.
  • 115 dB.
  • ADS8881I: INL: ±1.5 LSB (typ), ±3.0 LSB (max) DNL: +.

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