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ADS8864 - SAR Analog-to-Digital Converter

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General Description

The ADS8864 is a 16-bit, 400-kSPS, single-ended 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 Order Now Technical Documents Tools & Software Support & Community Reference Design ADS8864 SBAS572B – MAY 2013 – REVISED MARCH 2019 ADS8864 16-bit, 400-kSPS, serial interface, micropower, miniature,.

Key Features

  • 1 Sample rate: 400 kHz.
  • No latency output.
  • Unipolar, single-ended input range: 0 to +VREF.
  • SPI™-compatible serial interface with daisy-chain option.
  • Excellent AC and DC performance:.
  • SNR: 93 dB, THD:.
  • 108 dB.
  • INL: ±1.0 LSB (typ), ±2.0 LSB (max).
  • DNL: ±1.0 LSB (max), 16-bit NMC.
  • Wide operating range:.
  • AVDD: 2.7 V to 3.6 V.
  • DVDD: 1.65 V to 3.6 V (independent of AVDD).
  • REF: 2.5 V to 5.

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