Product Summary

The CS5461A-ISZ is an integrated power measurement device which combines two analog-to-digital converters, power calculation engine, energy-to-frequency converter, and a serial interface on a single chip. It is designed to accurately measure instantaneous current and voltage, and calculate VRMS, IRMS, instantaneous power, apparent power, and active power for single-phase, 2- or 3-wire power metering applications. The CS5461A-ISZ is optimized to interface to shunt resistors or current transformers for current measurement, and to resistive dividers or potential transformers for voltage measurement. The CS5461A-ISZ features a bi-directional serial interface for communication with a processor, and a programmable energy-to-pulse output function. Additional features include on-chip functionality to facilitate system-level calibration, temperature sensor, voltage sag detection, and phase compensation.

Parametrics

CS5461A-ISZ absolute maximum ratings: (1)DC Power Supplies-Positive Digital, Positive Analog: -0.3 +6.0V; (2)Negative Bias Voltage(Negative Potential): +0.3 -3.0 V; (3)Input Current, Any Pin Except Supplies: ±10 mA; (4)Output Current: ±100 mA; (5)Power Dissipation: 500 mW; (6)Digital Input Voltage: -0.3~(VD+)+0.3 V; (7)Ambient Operating Temperature: -40~85℃; (8)Storage Temperature: -65~150℃.

Features

CS5461A-ISZ features: (1)Energy Data Linearity: ±0.1% of Reading over 1000:1 Dynamic Range; (2)Meets Accuracy Spec for IEC, ANSI, & JIS.; (3)Low Power Consumption; (4)Current Input Optimized for Sense Resistor.; (5)GND-referenced Signals with Single Supply; (6)On-chip 2.5 V Reference (25 ppm/℃ typ); (7)Power Supply Monitor; (8)Simple Three-wire Digital Serial Interface.

Diagrams

<IMG alt="CS5461A-ISZ circuit" src="http://www.seekic.com/uploadfile/ic-mfg/2012101203010630.jpg" border=0>

Image Part No Mfg Description Data Sheet Download Pricing
(USD)		 Quantity
CS5461A-ISZ
CS5461A-ISZ
Cirrus Logic
Other Power Management Single-Phase Bi-Dir Power/Energy IC
Data Sheet
0-1: $1.40
1-25: $1.33
25-50: $1.31
50-100: $1.27
CS5461A-ISZR
CS5461A-ISZR
Cirrus Logic
Other Power Management IC Sngl-Phs BiDirect PWR/Energy
Data Sheet
0-775: $1.27
775-1000: $1.27