ADE7753ARS Analog Devices Inc, ADE7753ARS Datasheet

ADE7753ARS

Manufacturer Part Number

ADE7753ARS

Description

IC ENERGY METERING DETEC 20-SSOP

Manufacturer

Analog Devices Inc

Datasheets

1.ADE7753.pdf (38 pages)

2.ADE7753ARS.pdf (38 pages)

3.ADE7753ARSZ.pdf (60 pages)

Specifications of ADE7753ARS

Rohs Status

RoHS non-compliant

Input Impedance

390 KOhm

Measurement Error

0.1%

Voltage - I/o High

2.4V

Voltage - I/o Low

0.8V

Current - Supply

3mA

Voltage - Supply

4.75 V ~ 5.25 V

Operating Temperature

-40°C ~ 85°C

Mounting Type

Surface Mount

Package / Case

20-SSOP (0.200", 5.30mm Width)

Meter Type

Single Phase

For Use With

EVAL-ADE7753ZEB - BOARD EVALUATION AD7753

Available stocks

Company

Part Number

Manufacturer

Quantity

Price

Company:

Bonase Electronics (HK) Co., Limited

Part Number:

ADE7753ARS

Manufacturer:

Quantity:

Company:

Meier Automation Equipment Co., Limited

Part Number:

ADE7753ARS

Manufacturer:

ADI/亚德诺

Quantity:

20 000

Company:

BOSTOCK HK LIMITED

Part Number:

ADE7753ARSZ

Quantity:

1 667

Company:

Meier Automation Equipment Co., Limited

Part Number:

ADE7753ARSZ

Manufacturer:

ADI/亚德诺

Quantity:

20 000

Company:

Meier Automation Equipment Co., Limited

Part Number:

ADE7753ARSZRL

Manufacturer:

ADI/亚德诺

Quantity:

20 000

Current page: 1 of 38
Download datasheet (445Kb)

*U.S. Patents 5,745,323; 5,760,617; 5,862,069; 5,872,469; others Pending.

FEATURES

High Accuracy, supports IEC 61036 and IEC61268

On-Chip Digital Integrator enables direct interface with

The ADE7753 supplies Active, Reactive and Apparent

Less than 0.1% error over a dynamic range of 1000 to 1

Positive only energy accumulation mode available

An On-Chip user Programmable threshold for line

Digital Power, Phase & Input Offset Calibration

An On-Chip temperature sensor (±3°C typical)

A SPI compatible Serial Interface

A pulse output with programmable frequency

An Interrupt Request pin (IRQ) and Status register

Proprietary ADCs and DSP provide high accuracy data over

Reference 2.4V±8% (20 ppm/°C typical)

Single 5V Supply, Low power (25mW typical)

GENERAL DESCRIPTION

The ADE7753 is an accurate active and apparent energy

measurements IC with a serial interface and a pulse output.

The ADE7753 incorporates two second order sigma delta

ADCs, a digital integrator (on CH1), reference circuitry,

temperature sensor, and all the signal processing required to

perform RMS calculation on the voltage and current, active,

reactive, and apparent energy measurement.

An on-chip digital integrator provides direct interface to di/

dt current sensors such as Rogowski coils. The digital

integrator eliminates the need for external analog integrator,

and this solution provides excellent long-term stability and

REV. PrF 10/02

Information furnished by Analog Devices is believed to be accurate and

reliable. However, no responsibility is assumed by Analog Devices for its

use, nor for any infringements of patents or other rights of third parties

which may result from its use. No license is granted by implication or

otherwise under any patent or patent rights of Analog Devices.

current sensors with di/dt output

Energy, Sampled Waveform, Current and Voltage RMS

voltage surge and SAG, and PSU supervisory

large variations in environmental conditions and time

with external overdrive capability

Preliminary Technical Data

V1N

V2N

V1P

V2P

PGA

AGND

REFERENCE

PGA

SENSOR

2.4V

TEMP

AVDD

ADC

4kΩ

REF IN/OUT

ADC

FUNCTIONAL BLOCK DIAGRAM

HPF

PHCAL[5:0]

LPF1

RESET

INTEGRATOR

Active and Apparent Energy Metering IC

CLKIN

CLKOUT

VRMSOS[11:0]

IRMSOS[11:0]

MULTIPLIER

precise phase matching between the current and voltage

channels. The integrator can be switched on and off based on

the current sensor selected.

The ADE7753 contains an Active Energy register. It is

capable of holding more than 200 seconds of accumulated

power at full load. Data is read from the ADE7753 via the

serial interface. The ADE7753 also provides a pulse output

(CF) with output frequency is proportional to the active

power.

In addition to rms calculation and active and apparent power

information, the ADE7753 also accumulates the signed

reactive energy. The ADE7753 also provides various system

calibration features, i.e., channel offset correction, phase

calibration and power calibration. The part also incorporates

a detection circuit for short duration low or high voltage

variations.

The ADE7753 has a positive only accumulation mode which

gives the option to accumulate energy only when positive

power is detected. An internal no-load threshold ensures that

the part does not exhibit any creep when there is no load.

A zero crossing output (ZX) produces an output which is

synchronized to the zero crossing point of the line voltage.

This information is used in the ADE7753 to measure the

line's period. The signal is also used internally to the chip in

the line cycle Active and Apparent energy accumulation

mode. This enables a faster and more precise energy accumu-

lation and is useful during calibration. This signal is also

useful for synchronization of relay switching with a voltage

zero crossing.

The interrupt request output is an open drain, active low logic

output. The Interrupt Status Register indicates the nature of

the interrupt, and the Interrupt Enable Register controls

which event produces an output on the IRQ pin.

The ADE7753 is available in 20-lead SSOP package.

One Technology Way, P.O. Box 9106, Norwood. MA 02062-9106, U.S.A.

Tel:

Fax: 781/326-8703

DVDD

LPF2

781/329-4700

APOS[15:0]

DGND

DIN DOUT SCLK CS

VADIV[7:0]

ADE7753 REGISTERS &

SERIAL INTERFACE

WGAIN[11:0]

VAGAIN[11:0]

with di/dt sensor interface

DFC

WDIV[7:0]

IRQ

ADE7753

CFNUM[11:0]

CFDEN[11:0]

SAG

ADE7753*

w w w . a n a l o g . c o m

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