Ordering number : ENA1180 www.DataSheet4U.com LA74302FN Overview Monolithic Linear IC Audio Interface for DSC The LA74302FN is a SPEAKER AMP and MIC AMP built-in audio interface for DSC.
Functions Three-wire type SERIAL communications, MIC AMP MIC power supply provided ALC (ALC LEVEL: level changeover in three stages possible) REC/PB LPF (fc=4kHz: 3rd order) LINE output (with SERIAL MUTE) SPEAKER AMP (compatible with BEEP input MI