UNISONIC TECHNOLOGIES CO., LTD

31002A

LINEAR INTEGRATED CIRCUIT

www.unisonic.com.tw

1 of 6

Copyright © 2014 Unisonic Technologies Co., Ltd

QW-R108-005.D

TELEPHONE TONE RINGER



DESCRIPTION

The UTC 31002A is a bipolar integrated circuit designed for

telephone bell replacement. It can also be used as alarms or other

alerting devices.



FEATURES

*Designed for telephone bell replacement.

*Low current drain for multiple extension of lines.

*Adjustable 2-frequency tone.

*Adjustable warbling rate.

*Built-in hysteresis prevents false triggering and rotary dial

'CHIRPS'.

*Programmable for initiation current by simple external resistor

DIP-8

SOP-8



ORDERING INFORMATION

Ordering Number

Package

Packing

Lead Free

Halogen Free

31002AL-D08-T

31002AG-D08-T

DIP-8

Tube

-

31002AG-S08-R

SOP-8

Tape Reel

-

31002AG-S08-T

SOP-8

Tube



MARKING

DIP-8

SOP-8

UTC

31002AG

2

34

1

5

6

7

8

Date Code

Lot Code