CS5462 Datasheet

IC型号：
CS5462
PDF描述：
Cirrus Logic [LOW COST POWER ENERGY IC WITH PULSE OUTPUT]
文件大小：
207.15KB
芯片厂家：
CIRRUS

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CS5462

Low Cost Power/Energy IC with Pulse Output

Features

Single Chip; Power Measurement Solution

Energy Data Linearity: 卤0.1% of Reading

over 1000:1 Dynamic Range

On-Chip functions: Measures Energy and

Performs Energy-to-Pulse Conversions

Meets Accuracy Spec for IEC 687/1036

On-Chip System Calibration Option

High Pass Filter Option for Both I and V

2 Available Current Input Ranges

On-Chip 2.5 V Reference (25 ppm/掳C typ)

Pulse Outputs for Stepper Motor or

Mechanical Counter

On-Chip Energy Direction Indicator

Ground Reference Input Signals with Single

Supply

High Frequency Output for Calibration

On-Chip Power-on Reset

Power Supply Configurations:

VA+ = +5 V; AGND = 0 V; VD+ = +3.3 V to 5 V

Description

The CS5462 is a low cost power meter solution combin-

ing two

鈭單?/div>

Analog-to-Digital Converters

(ADC)鈥檚,

energy-to-frequency converter, and energy pulse out-

puts on a single chip. It is designed to accurately

measure and calculate energy for single phase 2- or 3-

wire power metering applications with minimal external

components.

Low frequency energy outputs, E1 and E2, supply aver-

age real power and can be used to drive a stepper motor

or a mechanical counter; the high frequency energy out-

put FOUT can be used for calibration; and NEG indicates

negative power.

The CS5462 has configuration pins which allow for direct

configuration of pulse output format, pulse output fre-

quency, current channel input range, high pass filter

option, and on-chip calibration.

The CS5462 also has a power-on reset function which

holds the part in reset until the supply reaches an oper-

able level.

ORDERING INFORMATION

CS5462-IS

-40掳 to 85掳 C

24-pin SSOP

VA+

RESET

High Pass

Filter

VD+ / P7

XIN

Clock

Generator

XOUT

CPUCLK

FOUT / P6

E1 / P5

E2 / P4

NEG/P2

IIN+

IIN-

PGA

x10,x50

4th Order

鈭單?/div>

Modulator

Digital

Filter

Energy to

Pulse Rate

Converter

Energy

Direction

VIN+

VIN-

x10

2nd Order

鈭單?/div>

Modulator

Digital

Filter

Calibration

High Pass

Filter

VREFIN

VREFOUT

Voltage

Reference

Configuration Inputs: On-Chip Calibration, Program Select

Outputs

Pulse Output Mode / Output Frequency,

for

HPF Option, and

Configuration

Current Channel Input Range

AGND

IGAIN

FREQ

CAL1

CAL0

DGND / P1

Preliminary Product Information

http://www.cirrus.com

This document contains information for a new product.

Cirrus Logic reserves the right to modify this product without notice.

铮?/div>

Cirrus Logic, Inc. 2003

OCT 03

DS547PP1

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