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TEA7540 HANDSFREE CONTROLLER

TEA7540 Description

® TEA7540 HANDSFREE CONTROLLER NOISE/SPEECH DISCRIMINATION IN EMISSION AND RECEPTION INTEGRATED SIGNAL GAIN COMPRESSOR IN BOTH MODES PROGRAMMABLE AT.
This 28 pins IC is an innovative approach to quality handsfree telephone sets.

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HANDSFREE CONTROLLER ST Microelectronics
ST Microelectronics TEA7540-like datasheet