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TECHNICAL DATA
LINEAR INTEGRATED CIRCUIT
VOICE SWITCHED SPEAKER PHONE CIRCUIT DESCRIPTION
The IL34018 speaker-phone integrated circuit incorporates the necessary functions to produce a high quality hands-free speaker-phone system. The applications include household and office speaker-phones, intercom systems, hand free kit for mobile phones, and others
IL34018
FEATURES
• All necessary level detection and attenuation controls for a hand-free telephone included. • Background noise level monitoring with long time constant. • Background sound level compensation for transmit and receive levels as well as the background level. • Wide operating dynamic range through signal compression. • On-chip voltage regulators illuminate external regulators for lining operation.