ADE7858ACPZ-REF datasheet(4/76 Pages) AD

部件名	ADE7858ACPZ-REF

功能描述	Poly Phase Multifunction Energy Metering IC with per Phase Active and Reactive Powers

PDF	76 Pages

Scroll/Zoom	100%

制造商	AD [Analog Devices]

网页	http://www.analog.com

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4 / 76 page

ADE7858

Preliminary Technical Data

Rev. PrA| Page 4 of 76

FUNCTIONAL BLOCK DIAGRAM

PGA3

PGA1

1.2V

REF

PGA3

PGA1

PGA3

PGA1

APHCAL



HPF



ADC

HPF

Digital

Integrator



LPF

AWATTOS

AVAROS



DFC

CF1DEN

Phase

A,B and

C data

DFC

CF2DEN

DFC

CF3DEN

AVRMSOS

LPF



AVRMS

AIRMSOS

LPF



AIRMS

AIGAIN

AVGAIN

ADC

TOTAL ACTIVE/ REACTIVE/

APPARENT ENERGIES AND

VOLTAGE/CURRENT RMS

CALCULATION FOR PHASE B

(see phase A for detailed data path)

TOTAL ACTIVE/ REACTIVE/

APPARENT ENERGIES AND

VOLTAGE/CURRENT RMS

CALCULATION FOR PHASE C

(see phase A for detailed data path)

POR

LDO

HSDC

SPI/I2C

I2C

VDD

AVDD

DVDD

AGND

DGND

IAP

IAN

IBP

ICP

IBN

ICN

VAP

VBP

VCP

RESET

REFin/out

CLKIN

CLKOUT

IRQ

SCLK/SCL

MOSI/SDA

MISO/HSD

CF1

CF2

CF3/HSCLK

Digital Signal

Processor

2PM0

PM1

/HSA

Computational

Block for Total

Reactive Power

AVARGAIN

AWGAIN

AVAGAIN

HPFDIS[23:0]

Figure 1. ADE7858 Functional Block Diagram

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