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BL1240 |
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| Part Number | BL1240 |
| Manufacturer | SHANGHAI BELLING |
| 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 (buzze... |
| Features |
Low current consumption, in order to allow the parallel operation of 4 devices. Integrated rectifier bridge with zener diodes to protect against overvoltages. Little external circuitry. Tone and switching frequencies adjustable by external components. Integrated voltage and current hysteresis.
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 standar... |
| Document |
 BL1240 Data Sheet
PDF 174.50KB |
Similar Datasheet
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Desde 2024. D4U Semiconductor.
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