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AD4680 - Dual Simultaneous Sampling SAR ADC

Description

The AD4680/AD4681 are 16-bit, pin-compatible, dual simultaneous sampling, high speed, low power, successive approximation register (SAR) analog-to-digital converters (ADCs) that operate from a 3.0 V to 3.6 V power supply and feature throughput rates of 1 MSPS for the AD4680 and 500 kSPS for the AD4

Features

  • 16-bit ADC family.
  • Dual simultaneous sampling.
  • Fully differential analog inputs.
  • Throughput conversion rate.
  • 1 MSPS for AD4680.
  • 500 kSPS for AD4681.
  • SNR (typical).
  • 92.5 dB, VREF = 3.3 V external.
  • 100 dB with 8× OSR, RES = 1.
  • On-chip oversampling function.
  • Resolution boost function.
  • INL (maximum) 1.5 LSBs.
  • 2.5 V internal reference at 10 ppm/°C.
  • High speed serial interface.
  • 40°C to +125°C operation.
  • 3 mm × 3.

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Full PDF Text Transcription

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Data Sheet AD4680/AD4681 Differential Inputs, 1 MSPS/500 kSPS, Dual Simultaneous Sampling SAR ADCs FEATURES ► 16-bit ADC family ► Dual simultaneous sampling ► Fully differential analog inputs ► Throughput conversion rate ► 1 MSPS for AD4680 ► 500 kSPS for AD4681 ► SNR (typical) ► 92.5 dB, VREF = 3.3 V external ► 100 dB with 8× OSR, RES = 1 ► On-chip oversampling function ► Resolution boost function ► INL (maximum) 1.5 LSBs ► 2.
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