LA74303FN - Monolithic Linear IC Audio Interface
of the Content of Serial Communication DATA No.
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 DUMMY LPF Cut-off frequency SW VREF capacitor charging circuit control SW MIC AMP POWER SW ALC AMP POWER SW LPF1 MODE SW LPF1/LPF2 selection SW REC BLOCK POWER SW LINE OUT POWER SW LINE MUTE SW SPK POWER SW DATA=1
Ordering number : ENA1181 www.DataSheet4U.com LA74303FN Overview Monolithic Linear IC Audio Interface for DSC The LA74303FN is a SPEAKER AMP and MIC AMP built-in audio interface for DSC.
Functions Three-wire type SERIAL communication, MIC AMP MIC power supply incorporated (with buit-in pull-up resistor), ALC AMP PB input method: Compatible with analog or digital (ΔΣ) signal input 3rd order LPF(compatible with REC/PB changeover, fc=4kHz or 11kHz selec
LA74303FN Features
* pin 4 LPF C SW CHRG P SW MIC P SW ALC P SW Pin Conditions Pin Major conditions (for the serial control set
