ADE7758ARW Analog Devices Inc, ADE7758ARW Datasheet - Page 2

• Manufacturer Part Number: ADE7758ARW
• Description: IC ENERGY METERING 24-SOIC
• Manufacturer: Analog Devices Inc

Specifications of ADE7758ARW

• Rohs Status: RoHS non-compliant
• Input Impedance: 380 KOhm
• Measurement Error: 0.1%
• Voltage - I/o High: 2.4V
• Voltage - I/o Low: 0.8V
• Current - Supply: 8mA
• Voltage - Supply: 4.75 V ~ 5.25 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 24-SOIC (0.300", 7.50mm Width)
• Meter Type: 3 Phase
• Lead Free Status / RoHS Status: Not Compliant

ADE7758
TABLE OF CONTENTS
Features .............................................................................................. 1
General Description ......................................................................... 1
Functional Block Diagram .............................................................. 1
Revision History ............................................................................... 3
General Description ......................................................................... 4
Specifications ..................................................................................... 5
Timing Diagrams .............................................................................. 7
Absolute Maximum Ratings ............................................................ 8
Pin Configuration and Function Descriptions ............................. 9
Terminology .................................................................................... 11
Typical Performance Characteristics ........................................... 12
Test Circuits ..................................................................................... 17
Theory of Operation ...................................................................... 18
Timing Characteristics ................................................................ 6
ESD Caution .................................................................................. 8
Antialiasing Filter ....................................................................... 18
Analog Inputs .............................................................................. 18
Current Channel ADC............................................................... 19
di/dt Current Sensor and Digital Integrator ............................... 20
Peak Current Detection ............................................................. 21
Overcurrent Detection Interrupt ............................................. 21
Voltage Channel ADC ............................................................... 22
Zero-Crossing Detection ........................................................... 23
Phase Compensation .................................................................. 23
Period Measurement .................................................................. 25
Line Voltage SAG Detection ..................................................... 25
SAG Level Set .............................................................................. 26
Peak Voltage Detection .............................................................. 26
Phase Sequence Detection ......................................................... 27
Power-Supply Monitor ............................................................... 27
Rev. D | Page 2 of 72
Registers ........................................................................................... 60
Outline Dimensions ....................................................................... 70
Reference Circuit ........................................................................ 27
Temperature Measurement ....................................................... 28
Root Mean Square Measurement ............................................. 28
Active Power Calculation .......................................................... 30
Reactive Power Calculation ...................................................... 35
Apparent Power Calculation ..................................................... 39
Energy Registers Scaling ........................................................... 41
Waveform Sampling Mode ....................................................... 41
Calibration ................................................................................... 42
Checksum Register..................................................................... 55
Interrupts ..................................................................................... 56
Using the Interrupts with an MCU .......................................... 56
Interrupt Timing ........................................................................ 56
Serial Interface ............................................................................ 56
Serial Write Operation ............................................................... 57
Serial Read Operation ................................................................ 59
Accessing the On-Chip Registers ............................................. 59
Communications Register ......................................................... 60
Operational Mode Register (0x13) .......................................... 64
Measurement Mode Register (0x14) ....................................... 64
Waveform Mode Register (0x15) ............................................. 65
Computational Mode Register (0x16) ..................................... 66
Line Cycle Accumulation Mode Register (0x17) ................... 67
Interrupt Mask Register (0x18) ................................................ 68
Interrupt Status Register (0x19)/Reset Interrupt Status
Register (0x1A) ........................................................................... 69
Ordering Guide .......................................................................... 70