UTC31001 查看數據表（PDF） - Unisonic Technologies

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UTC31001

TELEPHONE TONE RINGER

Unisonic Technologies 

UTC31001

CIRCUIT

LINEAR INTEGRATED

TELEPHONE TONE RINGER

GENERAL DESCRIPTION

The UTC 31001 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 extention of lines.

*Adjustable 2-frequency tone.

*Adjustable warbling rate.

*Bulit-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

3

LOW

OSC

C2

HIGH

OSC

AMP

8 OUTPUT

1

POWER SUPPLY (WITH HYSTERESIS)

5

2

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

ABSOLUTE MAXIMUM RATINGS(Ta=25°C )

CHARACTERISTIC

SYMBOL

Supply Voltage

Vcc

Power Dissipation

Pd

Operating Temperature

Topr

Storage Temperature

Tstg

VALUE

30

400

-45 to 85

-65 to 150

UNIT

V

mW

°C

°C

UTC UNISONIC TECHNOLOGIES CO. LTD

1

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