AD71056ARZ 查看數據表（PDF） - Analog Devices

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AD71056ARZ

Energy Metering IC with Integrated Oscillator and Reverse Polarity Indication

Analog Devices 

AD71056

TABLE OF CONTENTS

Features .............................................................................................. 1

General Description ......................................................................... 1

Functional Block Diagram .............................................................. 1

Revision History ............................................................................... 2

Specifications..................................................................................... 3

Timing Characteristics ................................................................ 4

Absolute Maximum Ratings............................................................ 5

ESD Caution.................................................................................. 5

Terminology ...................................................................................... 6

Pin Configuration and Function Descriptions............................. 7

Typical Performance Characteristics ............................................. 8

Theory of Operation ...................................................................... 10

REVISION HISTORY

8/06—Revision A: Initial Version

Power Factor Considerations.................................................... 10

Nonsinusoidal Voltage and Current........................................ 10

Applications..................................................................................... 12

Analog Inputs ............................................................................. 12

Power Supply Monitor............................................................... 13

Internal Oscillator (OSC).......................................................... 15

Transfer Function....................................................................... 15

Selecting a Frequency for an Energy Meter Application...... 16

No Load Threshold .................................................................... 17

Negative Power Information..................................................... 17

Outline Dimensions ....................................................................... 18

Ordering Guide .......................................................................... 18

Rev. A | Page 2 of 20

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