UM3561 Datasheet, PDF (2/3 Pages) UMC Corporation – THREE SIREN SOUND GENERATOR

UM3561
Bowin Microelectronics
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Pin Configuration
Pin no.
1
2
3
4
5
6
7
8
Symbol
SEL2
Vss
OUTPUT
NC
Vdd
SEL1
OSC1
OSC2
Description
Sound effect selection pin no. 2
Negative power supply
Mono-tone output
Internal testing pin : Leave open for normal operation
Positive power supply
Sound effect selection pin no. 1
External oscillator terminal 1
External oscillator terminal 2
Typical Application Circuits
FOUR SOUND APPLICATION : 1. Police Siren 2. Fire Engine Siren 3. Ambulance Siren
4. Machine Gun
BOWIN ELECTRONIC COMPANY
2
www.bowin-ic.com.hk