SA2007M Datasheet

IC型號(hào)：
SA2007M
PDF描述：
Single Phase Power/Energy Metering IC with Tamper Detection
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芯片廠家：
SAMES

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Single Phase Power/Energy Metering IC with

Tamper Detection

SA2007M

FEATURES

Provides direct interface to mechanical counters

Monitors Live and Neutral for tamper detection

Performs bidirectional energy measurement

Various setup modes selectable

Meets the IEC 521/1036 Specification for Class 1 AC Watt

hour meters

sames

Total power consumption rating below 30mW

Adaptable to different types of sensors

Operates over a wide temperature range

Precision voltage reference on-chip

Precision oscillator on chip

DESCRIPTION

The SAMES SA2007M is a single-phase bidirectional energy

metering integrated circuit. It provides a mono-chip solution for

energy meters with electro-mechanical displays, such as

stepper motors and impulse counters. A precision oscillator,

that replaces an external crystal is integrated on chip.

Two current sensor inputs allow the measurement of energy

consumption on both the live and neutral.

Direction detection of energy flow as well as other common

tamper conditions are flagged.

The power consumption on both the live and neutral are

continuously measured and the larger of the two is selected for

energy metering.

The SA2007M drives the calibration LED, the indicator LEDs

and the electro-mechanical counter directly.

The SA2007M integrated circuit is available in 20 pin dual-in-

line plastic (DIP-20) and small outline (SOIC-20) package

types.

VDD VSS

IIN1

IIP1

ANALOG

SIGNAL

PRO-

CESSING

AND

POWER

CAL-

CULATION

POWER 1 (DIGITAL)

ELT

POWER 2 (DIGITAL)

COM-

PARATOR

SEL1

IIN2

IIP2

IVP

GND

DIRO

VOLTAGE

REF.

POWER

PULSE RATE

LED

MOP

MON

OSC

Dr-01558

VREF

TCLK

MP1 MP0

RATED

Figure 1: Block diagram

SPEC-0075 (REV. 2)

1/10

PRELIMINARY

16-01-01

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