Texas Instruments LM4931
The LM4931 is an integrated audio subsystem that supports voice and digital audio functions. The LM4931 includes a high quality stereo DAC, voice band codec, a stereo headphone amplifier and a high-power high efficiency mono speaker amplifier. It is primarily designed for demanding applications in mobile phones and other portable devices.| Part No. | LM4931 |
|---|---|
| Datasheet | LM4931 Download |
| Manufacturer |  Texas Instruments |
| Description | Audio Subsystem |
| Buy | Stock & Price |
FEATURES
1●23 18-bit 44.1kHz or 48kHz Stereo DAC
● 16-bit 8kHz , 12kHz , 16kHz, or 24kHz Voice- Band Codec
● PLL for Operation from Common System Clocks
● Either I2C or SPI Compatible Serial Interface
● I2S Digital Audio Data Serial Interface
● PCM Voice Audio Data Serial Interface
● Differential Analog Microphone Input
● 26mW/Channel Stereo Headphone Amplifier
● 570mW Mono High Efficiency BTL 8Ω Amplifier
● 32-step Volume Control for Audio Output Amplifiers with 1.5dB Step Size.
● Unity-Gain Stable Headphone Amplifiers
● No Snubber Networks or Bootstrap Capacitors are Required by the Headphone or Hands-Free Amplifiers
● Adjustable Digital Side-Tone Attenuation
● 16-step Volume Control for Microphone Preamp with 2dB Step Size
● Configurable GPIO/Status Port
● Available in the 42 bump DSBGA Package
APPLICATIONS
● 2.5 and 3G Mobile Phones and Multimedia Terminals● PDAs, Internet Appliances and Portable Gaming
● Portable DVD/CD/AAC/MP3 Players
● Digital Cameras and Toys KEY SPECIFICATIO...
