UNISONIC TECHNOLOGIES CO., LTD

1812A/1812B/1813

CMOS IC

www.unisonic.com.tw

1 of 8

Copyright © 2005 Unisonic Technologies Co., Ltd

QW-R502-006,E

SINGLE SOUND GENERATOR

DESCRIPTION

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 analyzed and

programmed into an internal ROM by changing a mask layer

during device fabrication. The UTC 1812A/1812B/1813 is suitable

for various toy applications.

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 driving capability

DIP- 8

SOP-8

DIP-14

*Pb-free plating product number:

1812A/1812B/1813L

ORDERING INFORMATION

Order Number

Normal

Package

Packing

1812A

-D8-R

1812AL

-D8-R

DIP-8

Tape Reel

1812A

-D8-T

1812AL

-D8-T

DIP-8

Tube

1812A

-S8-R

1812AL

-S8-R

SOP-8

Tape Reel

1812A

-S8-T

1812AL

-S8-T

SOP-8

Tube

1812B

-D8-R

1812BL

-D8-R

DIP-8

Tape Reel

1812B

-D8-T

1812BL

-D8-T

DIP-8

Tube

1812B

-S8-R

1812BL

-S8-R

SOP-8

Tape Reel

1812B

-S8-T

1812BL

-S8-T

SOP-8

Tube

1813

-D14-T

1813L

-D14-T

DIP-14

Tube