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CS5467 Datasheet(PDF) 1 Page - Cirrus Logic |
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CS5467 Datasheet(HTML) 1 Page - Cirrus Logic |
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1 / 46 page  Copyright Cirrus Logic, Inc. 2011 (All Rights Reserved) http://www.cirrus.com 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 calcu- lates 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. Option- ally, 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 calibra- tion, voltage sag and current fault detection, peak detection, phase compensation, and ener- gy pulse outputs. ORDERING INFORMATION See Page 45. VA+ VD+ IIN1+ IIN1- VIN2+ VIN2- VREFIN VREFOUT AGND XIN XOUT CPUCLK DGND CS SDO SDI SCLK INT Voltage Reference System Clock /K Clock Generator Serial Interface E-to-F Power Monitor PFMON x1 RESET Digital Filter Calibration MODE Power Calculation Engine 4th Order Modulator 2nd Order Modulator Temperature Sensor Digital Filter PGA HPF Option HPF Option E1 E2 E3 x10 IIN2+ IIN2- 4th Order Modulator Digital Filter PGA HPF Option VIN1+ VIIN1- Digital Filter 2nd Order Modulator HPF Option x10 JAN ‘11 DS714F3 |
Número de pieza similar - CS5467_11 |
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Descripción similar - CS5467_11 |
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