BL1240 Description
BL1240 is a monolithic integrated circuit designed to repace mechanical bell in telephone sets in connection with an electro-acoustical converter. It can drive directly a piezoceramic converter (buzzer) or a dynamic loudspeaker. The output current capability of BL1240 is higher than standard ringer.
BL1240 Key Features
- 0.04 ln ) f 1 ( Hz ) 1943