UTC 31002A LINEAR INTEGRATED CIRCUIT 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.
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 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 MA...

Since 2006. D4U Semicon,
Electronic Components Datasheet Search Site. (Privacy Policy & Contact)