ADE7566 datasheet(3/148 Pages) AD

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Preliminary Technical Data

ADE75xx/ADE71xx

Rev. PrE | Page 3 of 148

TABLE OF CONTENT

FUNCTIONAL BLOCK DIAGRAM .............................................2

Table of content .................................................................................3

ADE75xx/ADE71xx—Specifications..............................................7

Timing Specifications .....................................................................11

Absolute Maximum Ratings ..........................................................18

ESD Caution ................................................................................18

Terminology.....................................................................................19

Measurement Error.....................................................................19

Phase Error between Channels .................................................19

Power Supply Rejection..............................................................19

ADC Offset Error........................................................................19

Gain Error ....................................................................................19

Pin Descriptions ..............................................................................20

SFR Mapping....................................................................................22

Power Management ........................................................................23

Power management register details ..........................................23

Power Supply Architecture ........................................................26

Battery Switchover ......................................................................26

Switching from VDD to VBAT...................................................27

Switching from VBAT to VDD....................................................27

Power Supply Monitor Interrupt (PSM) ..................................27

Battery Switchover and Power Supply Restored PSM

Interrupt ...................................................................................28

VDCIN ADC PSM Interrupt ....................................................28

VBAT Monitor PSM Interrupt .................................................28

VDCIN Monitor PSM Interrupt................................................28

SAG Monitor PSM Interrupt.................................................28

Using the power supply features ...............................................28

Operating modes.............................................................................32

PSM0 (Normal mode) ................................................................32

PSM1 (Battery mode) .................................................................32

PSM2 (Sleep mode) ....................................................................32

3.3V Peripherals and Wakeup Events.......................................33

Transitioning Between Operating Modes................................33

Automatic Battery Switchover (PSM0 to PSM1)................33

Entering Sleep Mode (PSM1 to PSM2)................................34

Servicing Wakeup Events (PSM2 to PSM1) ........................34

Automatic Switch to VDD (PSM2 to PSM0) .........................34

Automatic Switch to VDD (PSM1 to PSM0) .........................34

Using the power management features ....................................34

Energy Measurement......................................................................35

Access to energy measurement sfr............................................35

Access to internal energy measurement registers...................35

Writing to Internal energy measurement registers ............35

Reading Internal energy measurement registers ...............35

Energy measurement REGISTERS...........................................36

Energy measurement internal registers details .......................38

Analog Inputs ..............................................................................43

Analog to Digital Conversion ...................................................44

Anti-aliasing Filter..................................................................44

ADC Transfer Function .........................................................45

Current Channel ADC ...........................................................45

Voltage Channel ADC............................................................45

Channel Sampling...................................................................46

Fault Detection ............................................................................46

Channel selection Indication ................................................46

Fault Indication .......................................................................47

Fault with Active Input Greater than Inactive Input..........47

Fault with Inactive Input Greater than Active Input..........47

Calibration Concerns .............................................................47

di/dt Current Sensor and Digital Integrator............................47

Power quality measurements.....................................................49

Zero-Crossing Detection .......................................................49

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