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ADE7755 Datasheet(PDF) 2 Page - Analog Devices

Part No. ADE7755
Description  Energy Metering IC with Pulse Output
Download  20 Pages
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Maker  AD [Analog Devices]
Homepage  http://www.analog.com
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ADE7755 Datasheet(HTML) 2 Page - Analog Devices

 
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ADE7755
Rev. A | Page 2 of 20
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
 
Pin Configuration and Function Descriptions............................. 6
 
Typical Performance Characteristics ............................................. 8
 
Terminology .................................................................................... 11
 
Theory of Operation ...................................................................... 12
 
Power Factor Considerations.................................................... 12
 
Nonsinusoidal Voltage and Current ........................................ 13
 
Analog Inputs ............................................................................. 13
 
Typical Connection Diagrams.................................................. 14
 
Power Supply Monitor ............................................................... 14
 
Digital-to-Frequency Conversion ............................................ 15
 
Interfacing the ADE7755 to a Microcontroller for Energy
Measurement ............................................................................... 16
 
Power Measurement Considerations....................................... 16
 
Transfer Function....................................................................... 17
 
Selecting a Frequency for an Energy Meter Application ...... 18
 
Frequency Outputs..................................................................... 18
 
No Load Threshold .................................................................... 19
 
Outline Dimensions ....................................................................... 20
 
Ordering Guide .......................................................................... 20
 
REVISION HISTORY
8/09—Rev. 0 to Rev. A
Changes to Format .............................................................Universal
Changes to Features Section and General Description Section . 1
Moved Figure 2 ................................................................................. 4
Changes to Pin 22, Pin 23, and Pin 24 Descriptions, Table 4 ..... 7
Changes to Terminology Section.................................................. 11
Changes to Theory of Operation Section, Figure 22, Power
Factor Considerations Section, and Figure 23............................ 12
Changes to Nonsinusoidal Voltage and Current Section and
Analog Inputs Section.................................................................... 13
Changes to Figure 27...................................................................... 14
Changes to HPF and Offset Effects Section, Figure 29, and
Digital-to-Frequency Conversion Section .................................. 15
Changes to Figure 32...................................................................... 16
Changes to Transfer Function Section......................................... 17
Changes to Selecting a Frequency for an Energy Meter
Application Section ........................................................................ 18
Changes to No Load Threshold Section...................................... 19
Updated Outline Dimensions ....................................................... 20
Changes to Ordering Guide .......................................................... 20
5/02—Revision 0: Initial Version


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