TA31001 查看數據表（PDF） - Contek Microelectronics

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TA31001

TELEPHONE TONE RINGER

Contek Microelectronics 

TA31001

LINEAR INTEGRATED CIRCUIT

TELEPHONE TONE RINGER

DESCRIPTION

The Contek TA31001 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 voltage by simple

external resistor.

DIP-8

BLOCK DIAGRAM

R2

C3

R3

4

7

6

Contek

3

LOW

OSC

C2

HIGH

OSC

AMP

1

POWER SUPPLY (WITH HYSTERESIS)

5

2

Note:R2,R3,C2 and C3 are parts externally mounted

8 OUTPUT

Contek Microelectronics Co.,Ltd.

1

CONTEK

http://www.contek-ic.com E-mail:sales@contek-ic.com

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