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ADE7752A Datasheet(PDF) 2 Page - Analog Devices

Part No. ADE7752A
Description  Polyphase Energy Metering IC with Pulse Output
Download  24 Pages
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Maker  AD [Analog Devices]
Homepage  http://www.analog.com
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ADE7752A Datasheet(HTML) 2 Page - Analog Devices

 
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ADE7752/ADE7752A
Rev. C | Page 2 of 24
TABLE OF CONTENTS
Specifications..................................................................................... 3
Timing Characteristics..................................................................... 4
Absolute Maximum Ratings............................................................ 5
ESD Caution.................................................................................. 5
Pin Configuration and Function Descriptions............................. 6
Typical Performance Characteristics ............................................. 8
Test Circuit ...................................................................................... 10
Terminology .................................................................................... 11
Theory of Operation ...................................................................... 12
Power Factor Considerations.................................................... 12
Nonsinusoidal Voltage and Current ........................................ 13
Analog Inputs.................................................................................. 14
Current Channels ....................................................................... 14
Voltage Channels ........................................................................ 14
Typical Connection Diagrams ...................................................... 15
Current Channel Connection ................................................... 15
Voltage Channels Connection .................................................. 15
Meter Connections..................................................................... 15
Power Supply Monitor ................................................................... 17
HPF and Offset Effects .............................................................. 17
Digital-to-Frequency Conversion ................................................ 18
Mode Selection of the Sum of the Three Active Energies..... 19
Power Measurement Considerations....................................... 19
Transfer Function ........................................................................... 20
Frequency Outputs F1 and F2 .................................................. 20
Frequency Output CF ................................................................ 21
Selecting a Frequency for an Energy Meter Application........... 22
Frequency Outputs..................................................................... 22
No Load Threshold .................................................................... 22
Negative Power Information..................................................... 23
Outline Dimensions ....................................................................... 24
Ordering Guide .......................................................................... 24
REVISION HISTORY
7/05—Rev. B to Rev. C
Added ADE7752A.............................................................. Universal
Changed NEGP Pin Name to REVP................................ Universal
Changes to Table 1.............................................................................3
Changes to Table 6, Table 7 ............................................................21
Changes to Table 8, Table 9, Table 10............................................22
Updated Outline Dimensions ........................................................24
Changes to Ordering Guide ...........................................................24
9/03—Rev. A to Rev. B
Updated Format.................................................................. Universal
Change to Figure 19 ........................................................................15
5/03—Rev. 0 to Rev. A
Changed F1–5 to F1–7 ............................................................ Universal
Change to Figure 6 ..........................................................................10
Changes to Frequency Outputs F1 and F2 section .....................13
Replaced Table II .............................................................................13
Changes to Examples 1, 2, and 3 ...................................................14
Replaced Table III............................................................................14
Replaced Tables IV, V, and VI ........................................................15
Changes to SELECTING A FREQUENCY FOR AN ENERGY
METER APPLICATION section...................................................15
Changes to NO LOAD THRESHOLD section............................16
Replaced Table VII ..........................................................................16


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