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 m V peak input range for current channel ±500 m V peak input range for voltage channels Single 3.3 V supply 20-lead, wide body SOIC package Operating temperature:
- 40°C to +85°C
APPLICATIONS
3-phase shunt-based polyphase meters with neutral channel measurement
Single-phase meters Power quality monitoring Solar inverters Process monitoring Standalone ADCs Protective devices Isolated sensor interfaces Industrial programmable logic controllers (PLCs)
GENERAL 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...