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ADAQ4224 - DAQ signal chain solution

General Description

Specifications 4 Timing Specifications 8 Absolute Maximum Ratings13 Thermal Resistance 13 Electrostatic Discharge (ESD) Ratings13 ESD Caution13 Pin Configurations and Function Descriptions14 Typical Performance Characteristics 16 Terminology 28 Theory of Operation29 Overview 29 Transfer Function 29

Key Features

  • High Performance.
  • Throughput: 2 MSPS, no latency.
  • INL: ±1 ppm maximum from.
  • 40 °C to 105 °C.
  • Total system dynamic range: 128 dB typical.
  • SNR: 106.5 dB typical, THD:.
  • 122 dB typical.
  • Offset error drift: +4.1 µV/°C maximum.
  • Gain error drift: +1.50 ppm/°C maximum.
  • Ease of use features reduce system complexity.
  • Second-order, 270 kHz anti-aliasing filter.
  • High-Z PGIA gain options: 1/3, 5/9, 20/9, 20/3.
  • Flexible external reference.

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Data Sheet ADAQ4224 24-Bit, 2 MSPS, μModule Data-Acquisition Solution FEATURES ► High Performance ► Throughput: 2 MSPS, no latency ► INL: ±1 ppm maximum from −40 °C to 105 °C ► Total system dynamic range: 128 dB typical ► SNR: 106.5 dB typical, THD: −122 dB typical ► Offset error drift: +4.1 µV/°C maximum ► Gain error drift: +1.50 ppm/°C maximum ► Ease of use features reduce system complexity ► Second-order, 270 kHz anti-aliasing filter ► High-Z PGIA gain options: 1/3, 5/9, 20/9, 20/3 ► Flexible external reference voltage: 4.096 V or 5 V ► Differential Input Voltage ranges, ±REFIN/Gain: ±15 V, ±9 V, ±2.25 V, ±0.75 V ► Wide input common-mode voltage range: −8 V to +10 V ► Low input bias current: −30 pA typical ► High density solution reduces system footprint ► 14 mm × 9 mm, 0.