LA74308LP Description
LA74308LP Overview Monolithic Linear IC Audio Interface for DSC The LA74308LP is a SPEAKER AMP and MIC AMP built-in audio interface for DSC. It incorporates an 8/16kHz trap and supports CODECs with a sampling rate of 8kHz or 16kHz.
LA74308LP Key Features
- Three-wire type SERIAL munication
- MIC AMP
- MIC power supply incorporated (with built-in pull-up resistor)
- ALC AMP
- 4th order LPF + trap (patible with REC/PB changeover, trap frequency selectable from 8kHz and 16kHz)
- SPEAKER AMP (The BEEP signal can be mixed.), with electronic VOLUME (controlled by serial munication)
- LINE output (with SERIAL MUTE and MUTE transistor)
- STANDBY control
- Conditions Ratings 5.0 500 -10 to +85 -55 to +150 Unit V mW °C °C
- Printed circuit board mounting condition (40mm × 50mm × 0.8mm: glass epoxy) 2S2P (Four layers printed circuit board)