LM4930
FEATURES
- 23 16-bit Resolution 48k Hz Stereo DAC
- 16-bit Resolution 8k Hz Voice Codec
- I2S Digital Audio Data Serial Interface
- Two-wire Serial Control Interface
- PCM Voice Audio Data Serial Interface
- 25m W/channel Stereo Headphone Amplifier
- 330m W Mono 8Ω Amplifier (at AVDD = 3.0V)
- 32-step Volume Control for Audio Output
Amplifiers
- No Snubber Networks or Bootstrap Capacitors are Required by the Headphone or Hands-free Amplifiers
- Digital Sidetone Generation with Adjustable Attenuation
- Gain Controllable Headphone Amp, Mono BTL Amp, Mic Preamp
- Available in the 36- bump DSBGA and 44- lead WQFN Packages
APPLICATIONS
- Mobile Phones
- Mobile/low Power Audio Appliances
- PDAs
DESCRIPTION
The LM4930 is an integrated audio subsystem that supports voice and digital audio functions. The LM4930 includes a high quality I2S input stereo DAC, a voice band codec, a stereo headphone amplifier and a high-power mono speaker amplifier. It is primarily designed for demanding applications...
