Datasheet Details
Part number:
1812B, 1812A
Manufacturer:
UTC
File Size:
309.14 KB
Description:
Single sound generator.
Note:
This datasheet PDF includes multiple part numbers: 1812B, 1812A.
Please refer to the document for exact specifications by model.
1812B, 1812A, SINGLE SOUND GENERATOR
The UTC 1812A/1812B/1813 is a CMOS LSI chip designed for use in sound effect products .It is equipped with tone circuit, noise circuit and other control logic to generate different sounds including rifle gun, machine gun, booming sound, door bell, alarm etc.
The customer supplied sound source can be
1812B Features
* 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
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