*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-.

* FEATURES *Single power supply: 2.4~3.3V *Low standby current at 3V, 1μA typ *Auto power-off function *Speaker or.

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, al.

1812

18122R474K9BB

18122Rxxxx

1812A

1812B104xxx

1812CS

1812DPS

1812F104xxx

1812FS

1812L

1812L010

1812L014

1812L020