LS1240A
Description
The UTC LS1240A is monolithic integrated circuits and designed to be as a telephone ringer. It can drive a piezo-ceramic converter(buzzer) directly.
Key Features
- Low current consumption. * Integrated rectifier bridge with zener diodes to overvoltage Protection. * Minimum external circuitry. * Both frequencies of tone and switching are adjustable by external components. * Integrated voltage and current hysteresis.
