BL1240 Low current consumption

SHANGHAI BELLING

BL1240 Description

www.DataSheet4U.com BL1240 ELECTRONIC TWO * TONE RINGER .
BL1240 is a monolithic integrated circuit designed to repace mechanical bell in telephone sets in connection with an electro-acoustical converter.

BL1240 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. Desc

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BL1240 Datasheet Preview — Preview of BL1240 PDF

Datasheet Details

Part number: BL1240
Manufacturer: SHANGHAI BELLING
File Size: 174.50 KB
Datasheet: BL1240_SHANGHAIBELLING.pdf
Description: Low current consumption

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Low current consumption SHANGHAI BELLING

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