Alarm /Sound Generator IC  
Part No. Features Operating Voltage (V) VCC(Typ) Package
IOH(mA)(Min) IOL(mA)(Min)
1607 6 Tones Siren/Alarm Sound Generator

* Low operating voltage: 2V ~ 5V.
* On-chip RC oscillator.
* Low stand by current.
* CMOS process.
2.0V~5.0V 3.0V DIP-8
1.0 (mA) 1.0 (mA)
1616 6 Tones Siren/Alarm Sound Generator
with Soft Chirp

* Low operating voltage: 2V ~ 5V.
* On-chip RC oscillator.
* Low stand by current.
* CMOS process.
2.0V~5.0V 3.0V DIP-8
1.0 (mA) 1.0 (mA)
1617 6 Tones Siren/Alarm Sound Generator

* Low operating voltage: 2V ~ 5V.
* On-chip RC oscillator.
* Low stand by current.
* CMOS process.
2.0V~5.0V 3.0V DIP-8 SOP-8
1.0 (mA) 1.0 (mA)
1618 6 Keys Siren/Alarm Sound Generator


* Auto power off function, reduce power consumption.
* Low operating voltage: 2V ~ 5V.
* On-chip RC oscillator.
* 6 different sounds.
* 6 prioritized keys for selecting 6 different sounds.
* Low stand by current.
* CMOS process.
2.0V~5.0V 3.0V DIP-16 SOP-16
1.0 (mA) 1.0 (mA)
1812A/B Single Sound Generator

*Single power supply: 2.4~3.3V
*Low standby current at 3V, 1μA typ
*Auto power-off function
*Speaker or direct piezo. application
*Built-in envelope control circuit
*1Hz-8Hz programmable LED flash output
*Minimum external components
*Low operating current
*Strong driving capability
2.4V~3.3V 3.0V DIP-8 SOP-8
-1.0 (mA) 1.0 (mA)
1813 Single Sound Generator

*Single power supply: 2.4~3.3V
*Low standby current at 3V, 1μA typ
*Auto power-off function
*Speaker or direct piezo. application
*Built-in envelope control circuit
*1Hz-8Hz programmable LED flash output
*Minimum external components
*Low operating current
*Strong driving capability
2.4V~3.3V 3.0V DIP-14
-1.0 (mA) 1.0 (mA)
*: Under  Development