Datasheet Summary
UTC TA31002A LINEAR INTEGRATED CIRCUIT
TELEPHONE TONE RINGER
DESCRIPTION
The UTC TA31002A 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
PIN CONFIGURATIONS
Vcc
1 2 3 4
8 7 6 5
Output High Freq. Time Constant High Freq. Time Constant GND
RSL Low Freq. Time Constant Low Freq. Time Costant
ABSOLUTE...