UTC1240A Datasheet - Hangzhou Silan Microelectronics

UTC1240A Electronic Dual Tone Ringer

LI NEAR I NTEGRATED CI RCUI T ELECTRONIC DUAL-TONE RINGER The UTC1240A are monolithic integrated circuits designed to replace the mechanical bell in telephone sets in connection with an electro-acoustical converter.Both devices can drive directly a piezoceramic converter (buzzer). The output of UT.

UTC1240A Features

* Low current consumptioin,in order to allow the parallel operation of 4 devices. against overvoltage.

* Little external circuitry.

* Tone and switching frequencies adjustable

* Intergrated voltage and current hysteresis DataSheet4U.com by external components.

* Integrated recti

UTC1240A_HangzhouSilanMicroelectronics.pdf