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SA9103E

SINGLE PHASE BIDIRECTIONAL POWER/ENERGY METERING IC WITH SERIAL INTERFACE

South African Micro Electronic Systems 

sames

SA9103E

SINGLE PHASE BIDIRECTIONAL POWER/ENERGY

METERING IC WITH SERIAL INTERFACE

FEATURES

n Performs bidirectional active power/ n Operates over a wide temperature

energy measurement

range

n Meets the IEC 521/1036 Specification n Serial interface having a RS232

requirements for Class 1 AC Watt hour

protocol

meters

n Precision voltage reference on-chip

n Protected against ESD

n Tri-state output to allow parallel

n Power consumption rating below 25mW

connection of devices.

n Adaptable to different current sensor

technologies

DESCRIPTION

The SAMES SA9103E Single Phase

bidirectional Power/Energy metering

integrated circuit has a serial interface with

a RS232 protocol, ideal for use with a µ-

Controller. The SA9103E performs the

calculation for active power.

The integrated value for active energy is

accessable through the RS232-Interface

as a 16 bit value.

This innovative universal single phase

power/energy metering integrated circuit

is ideally suited for energy calculations in

applications such as electricitydispensing

systems (ED's), residential municipal

metering and factory energy metering and

control.

The SA9103E integrated circuit is available

in both 20 pin dual-in-line plastic (DIP-20),

as well as 20 pin small outline (SOIC-20)

package types.

PIN CONNECTIONS

IIN

1

IIP

2

VREF 3

CPON 4

CPOP 5

CPIN 6

CPIP 7

V DD 8

TP9

9

OSC2 10

20 GND

19 IVP

18 CON

17 COP

16 CIN

15 CIP

14 V SS

13 SIN

12 SOUT

11 OSC1

DR-00917

Package: DIP-20

SOIC-20

4353

PDS039-SA9103E-001

1/14

REV. B 14-11-1996

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