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CS5461A
Single Phase, Bi-directional Power/Energy IC
Features
? Energy Data Linearity: ±0.1% of Reading over
1000:1 Dynamic Range
? On-chip Functions:
- Instantaneous Voltage, Current, and Power
- I RMS and V RMS , Apparent and Active (Real) Power
- Energy-to-pulse Conversion for Mechanical
Counter/Stepper Motor Drive
- System Calibrations and Phase Compensation
- Temperature Sensor
- Voltage Sag Detect
? Meets Accuracy Spec for IEC, ANSI, & JIS.
? Low Power Consumption
? Current Input Optimized for Sense Resistor.
? GND-referenced Signals with Single Supply
? On-chip 2.5 V Reference (25 ppm/°C typ)
Description
The CS5461A is an integrated power measure-
ment 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 V RMS , I RMS , instanta-
neous power, apparent power, and active power
for single-phase, 2- or 3-wire power metering
applications.
The CS5461A is optimized to interface to shunt
resistors or current transformers for current mea-
surement, and to resistive dividers or potential
transformers for voltage measurement.
The CS5461A features a bi-directional serial in-
terface for communication with a processor, and
a programmable energy-to-pulse output func-
? Power Supply Monitor
tion. Additional features
include on-chip
? Simple Three-wire Digital Serial Interface
? “Auto-boot” Mode from Serial E 2 PROM.
? Power Supply Configurations:
VA+ = +5 V; AGND = 0 V; VD+ = +3.3 V to +5 V
functionality to facilitate system-level calibration,
temperature sensor, voltage sag detection, and
phase compensation.
ORDERING INFORMATION:
See Page 43.
VA+
RESET
VD+
IIN+
IIN-
PGA
4th Order ??
Modulator
Digital
Filter
HPF
Option
MODE
CS
VREFIN
x1
Temperature
Sensor
Power
Calculation
Engine
Serial
Interface
SDI
SDO
SCLK
INT
VIN+
VIN-
x10
2nd Order ??
Modulator
Digital
Filter
HPF
Option
E-to-F
E1
E2
E3
VREFOUT
Voltage
Reference
AGND
Power
Monitor
PFMON
System
Clock
/K
XIN
Clock
Generator
XOUT CPUCLK
Calibration
DGND
Copyright ? Cirrus Logic, Inc. 2011
APR ‘11
http://www.cirrus.com
(All Rights Reserved)
DS661F3
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相关代理商/技术参数
CDB5461AU-Z 制造商:Cirrus Logic 功能描述:PB-FREEEVAL BOARD FOR CS5461 WITH USB - Bulk
CDB5462 制造商:Cirrus Logic 功能描述:EVAL BOARD FOR CS5462 - Bulk
CDB5463U 功能描述:数据转换 IC 开发工具 Eval Bd Sngl-Phase Pow/Energy RoHS:否 制造商:Texas Instruments 产品:Demonstration Kits 类型:ADC 工具用于评估:ADS130E08 接口类型:SPI 工作电源电压:- 6 V to + 6 V
CDB5463U-Z 功能描述:EVAL BOARD USB FOR CS5463 RoHS:是 类别:编程器，开发系统 >> 评估板 - 模数转换器 (ADC) 系列:- 产品培训模块:Obsolescence Mitigation Program 标准包装:1 系列:- ADC 的数量:1 位数:12 采样率（每秒）:94.4k 数据接口:USB 输入范围:±VREF/2 在以下条件下的电源（标准）:- 工作温度:-40°C ~ 85°C 已用 IC / 零件:MAX11645 已供物品:板，软件
CDB5464U 功能描述:数据转换 IC 开发工具 Eval Bd 3-Ch Sngl-Phs Pow/Energy RoHS:否 制造商:Texas Instruments 产品:Demonstration Kits 类型:ADC 工具用于评估:ADS130E08 接口类型:SPI 工作电源电压:- 6 V to + 6 V
CDB5464U-Z 制造商:Cirrus Logic 功能描述:EVAL BD PB-FREE DEMO BOARD FOR CS5464 - Boxed Product (Development Kits) 制造商:Cirrus Logic 功能描述:Eval Board
CDB5466U 功能描述:数据转换 IC 开发工具 Eval Bd F/Residental Pow-Meter Apps RoHS:否 制造商:Texas Instruments 产品:Demonstration Kits 类型:ADC 工具用于评估:ADS130E08 接口类型:SPI 工作电源电压:- 6 V to + 6 V
CDB5466U-Z 制造商:Cirrus Logic 功能描述:PB-FREEEVAL BOARD FOR CS5466 WITH USB - Bulk