E910.97 datasheet(2/9 Pages) ELMOS

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ELMOS Semiconductor AG

Data Sheet

QM-No.: 25DS0091E.00

PRELIMINARY INFORMATION - JUL 28, 2011

This document contains information on a pre-production product. ELMOS Semiconductor AG reserves the right to change specifications and information herein without notice.

INTEGRATED CIRCUIT FOR PIR SMART SENSOR

E910.97

VDD

VSS

SW1

CON3

CON2

CON1

RE1A

N.O.

910.97

Simple Intrusion Detector for Wired Alarm Systems________________

Comp

Typ. Value

Function

Note

Smart Motion Sensor

10k

Series voltage drop resistor

R1 < (VSupply-0.6-VReg)/IIDD

10k

Base current setting resistor

R4 = (VSupply-0.6- VLED)/( ILED)

680k

Sensitivity setting resistor

R2 = Select this value, Select Sensitivity step value

also

51k

Sensitivity setting resistor

R3 = ((Step+0.5)/64 x R2)/(1- (Step+0.5)/64)

10uF/16V

Power supply storage capacitor

470nF

Vdd-Vss Supply bypass capacitor

RE1

TAA1A12F00

N.O. REL

Active if no movement is detected

Transorb, voltage spike protection

Q1,Q2

2N7002

NMOS transistors for LED & REL

1N4007

Supply Reverse connection protector

diode

1N4148

Fly back protection diode

Table 1: Component Values for simple intruder detector (VSupply = 12V)

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