Datasheet > SA9605ASAR

SA9605ASAR

更新时间： 2025-03-21 01:22:19

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描述
Three Phase Power

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中文翻译

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数据手册

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SA9605ASAR 数据手册

Three Phase Power/Energy Metering

IC with Instantaneous Pulse Output

SA9605A

FEATURES



Operates over a wide temperature range

Current transformers for sensing

Excellent long term stability

Easily adaptable to different signal levels

Precision voltage reference on-chip

Pin selectable pulse rates



Functionally similar to the SA9105E and SA9105F, with

reduced number of external components

Output frequency represents the absolute sum of energy

on all three phases

Performs one, two or three phase power and energy

measurement

Supports tamper detection

Meets the IEC 521/1036 Specification requirements for

Class 1 AC Watt hour meters

DESCRIPTION

The SA9605A is an enhancement of the SA9105E and

SA9105F, as no external capacitors are needed for the A/D

converters.

The output of this innovative universal three phase

power/energy metering integrated circuit, is ideally suited for

applications such as residential and industrial energy

metering and control.

The SA9605A three phase power/energy metering integrated

circuit generates a pulse rate output, the frequency of which

is proportional to the absolute power consumption. The

SA9605A performs the calculation for active power. The

method of calculation takes the power factor into account.

Energy consumption is determined by the power

measurement being integrated over time.

The SA9605A integrated circuit is available in a 20 pin small

outline (SOIC20) RoHS compliant package.

PGM0 PGM1

ANALOG SIGNAL

PROCESSING

IIP1

CURRENT

CHANNEL 1

ADC

IIN1

IVP1

VOLTAGE

CHANNEL 1

ADC

DIR

IIP2

CURRENT

CHANNEL 2

ADC

IIN2

FOUT1

POWER

POWER TO

INTEGRATOR

FREQUENCY

IVP2

FOUT2

VOLTAGE

CHANNEL 2

ADC

IIP3

CURRENT

CHANNEL 3

ADC

IIN3

IVP3

VOLTAGE

CHANNEL 3

VOLTAGE REFERENCE

OSCILLATOR

AND

TIMING

VDD

AND

ADC

CURRENT BIASING

AGND

VREF

VSS

OSC1

OSC2

Figure 1: Block diagram

SPEC-3118 (REV. 3)

29-09-2017

1/11

12 3 4 5 6 7...11

中文翻译

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