UTC31002A - Unisonic Technologies

UTC31002A TELEPHONE TONE RINGER

The UTC 31002A is a bipolar integrated circuit designed for telephone bell replacement. It can also be used as alarms or other alerting devices. SOP-8 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 .

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 MAXIMUM RATINGS(Ta=25°C ) PARAMETER Supply Voltage Power Dissipation Operating Temperature Storage Temperature SYMBOL Vcc Pd Topr Tstg .