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ADE7903 - Sigma-Delta ADC

Description

The ADE7903 is a nonisolated, 3-channel, Σ-Δ analog-to-digital converter (ADC) for the neutral line of polyphase energy metering applications using shunt current sensors.

The ADE7903 can also be used for single-phase energy metering and other standalone ADC applications.

Features

  • One (ADE7903) 24-bit, Σ-Δ ADC (simultaneously sampling with three ADE7912/ADE7913 ADCs) On-chip temperature sensor 4-wire SPI serial interface Standalone 24-bit, Σ-Δ ADC Up to four ADE7903 and ADE7912/ADE7913 devices clocked from a single crystal or an external clock Synchronization of multiple ADE7903 and ADE7912/ADE7913 devices ±31.25 mV peak input range for current channel ±500 mV peak input range for voltage channels Single 3.3 V supply 20-lead, wide body SOIC package Operating temperature:.

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Full PDF Text Transcription

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Data Sheet 3-Channel, Sigma-Delta ADC with SPI ADE7903 FEATURES One (ADE7903) 24-bit, Σ-Δ ADC (simultaneously sampling with three ADE7912/ADE7913 ADCs) On-chip temperature sensor 4-wire SPI serial interface Standalone 24-bit, Σ-Δ ADC Up to four ADE7903 and ADE7912/ADE7913 devices clocked from a single crystal or an external clock Synchronization of multiple ADE7903 and ADE7912/ADE7913 devices ±31.25 mV peak input range for current channel ±500 mV peak input range for voltage channels Single 3.
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