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AD7401A - Isolated Sigma-Delta Modulator

General Description

The AD7401A1 is a second-order, sigma-delta (Σ-Δ) modulator that converts an analog input signal into a high speed, 1-bit data stream with on-chip digital isolation based on Analog Devices, Inc., iCoupler® technology.

Key Features

  • 20 MHz maximum external clock rate Second-order modulator 16 bits, no missing codes ±2 LSB INL typical at 16 bits 1 μV/°C typical offset drift On-board digital isolator On-board reference ±250 mV analog input range Low power operation: 17 mA typical at 5.5 V.
  • 40°C to +125°C operating range 16-lead SOIC package Internal clock version: AD7400A Safety and regulatory approvals UL recognition 5000 V rms for 1 minute per UL 1577 CSA Component Acceptance Notice #5A VDE Certificate of Conformity.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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Isolated Sigma-Delta Modulator AD7401A FEATURES 20 MHz maximum external clock rate Second-order modulator 16 bits, no missing codes ±2 LSB INL typical at 16 bits 1 μV/°C typical offset drift On-board digital isolator On-board reference ±250 mV analog input range Low power operation: 17 mA typical at 5.