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ADE7755 Datasheet(PDF) 2 Page - Analog Devices |
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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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