Datasheet Summary
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Ordering number : EN- A1283
Monolithic Linear IC
Overview
Audio I/O Interface for Cell Phone
The LA74322LP is an audio I/O interface IC for cell phones that integrates, on a single chip, amplifiers for a monaural speaker, EVR stereo headphone, internal and external microphones, and a receiver speaker.
Features
- INT & EXT MIC amplifiers selectable (MIC power supply built-in)
- ALC amplifier (ALC level: 3 levels selectable)
- Base band/audio source input selector switch
- ALC (through switch, ALC level: 4 levels selectable)
- EVR stereo headphone amplifier
- Monaural speaker amplifier
- Receiver speaker amplifier (mono) standby control
- I2C bus supported...