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CS5467

Cirrus Logic
Part Number CS5467
Manufacturer Cirrus Logic
Description Four-channel Power/Energy
Published Jan 25, 2007
Detailed Description CS5467 Four-channel Power/Energy IC Features & Description • Energy Linearity: ±0.1% of Reading over 1000:1 Dynamic Ra...
Datasheet PDF File CS5467 PDF File

CS5467
CS5467



Overview
CS5467 Four-channel Power/Energy IC Features & Description • Energy Linearity: ±0.
1% of Reading over 1000:1 Dynamic Range • On-chip Functions: - Voltage and Current Measurement - Active, Reactive, and Apparent Power/Energy - RMS Voltage and Current Calculations - Current Fault and Voltage Sag Detection - Calibration - Phase Compensation - Temperature Sensor - Energy Pulse Outputs • Meets Accuracy Spec for IEC, ANSI, & JIS • Low Power Consumption • Voltage Tamper Correction • Ground-referenced Inputs with Single Supply • On-chip 2.
5 V Reference (40 ppm / °C typ.
) • Power Supply Monitor Function • Three-wire Serial Interface to Microcontroller or E2PROM • Power Supply Configurations GND: 0 V, VA+: +5 V, VD+: +3.
3 V to +5 V Description The CS5467 is a watt-hour meter on a chip.
It measures line voltage and current and calculates active, reactive, apparent power, energy, power factor, and RMS voltage and current.
An internal RMS voltage reference can be used if voltage measurement is disabled by tampering.
Four  analog-to-digital converters are used to measure two voltages and two currents.
Optionally, voltage2 channel can be used for temperature measurement.
The CS5467 is designed to interface to a variety of voltage and current sensors.
Additional features include system-level calibration, voltage sag and current fault detection, peak detection, phase compensation, and energy pulse outputs.
ORDERING INFORMATION See Page 45.
VA+ RESET VD+ IIN1+ IIN1- PGA VIN1+ VIIN1- x10 IIN2+ IIN2- PGA VIN2+ VIN2- VREFIN VREFOUT x10 x1 Voltage Reference AGND http://www.
cirrus.
com 4th Order  Modulator Digital Filter HPF Option 2nd Order  Modulator Digital Filter HPF Option 4th Order  Modulator Digital Filter HPF Option 2nd Order  Modulator Digital Filter HPF Option Power Calculation Engine Serial Interface E-to-F MODE CS SDI SDO SCLK INT E1 E2 E3 Calibration Power Monitor PFMON Temperature Sensor System Clock /K Clock Generator XIN XOUT CP...



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