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BL1240 - Low current consumption

SHANGHAI BELLING

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Datasheet Details

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

BL1240 Product details

Description

BL1240 is a monolithic integrated circuit designed to repace mechanical bell in telephone sets in connection with an electro-acoustical converter.

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.

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Published: Dec 20, 2006 |