PHILIPS TEA1095 Voice switched speakerphone IC handbook

This document describes the features and characteristics of the TEA1095 voice switched speakerphone integrated circuit, including external power supply with power-down function, adjustable gain transmit channel, transmit mute function, adjustable gain receive channel, logarithmic volume control, receive mute function, and duplex controller with various adjustable parameters. The TEA1095 is suitable for mains, battery or line-powered telephone sets, cordless telephones, answering machines, fax machines, and hands-free car kits.

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