WM8731 Datasheet - Wolfson Microelectronics plc

WM8731, Portable Internet Audio CODEC

w WM8731 / WM8731L Portable Internet Audio CODEC with Headphone Driver and Programmable Sample Rates .
The WM8731 or WM8731L (WM8731/L) are low power stereo CODECs with an integrated headphone driver.

Features

* including volume controls, mutes, de-emphasis and extensive power management facilities. The device is available in a small 28lead SSOP package or the smaller 28 lead quad flat leadless package (QFN). BLOCK DIAGRAM FEATURES
* Highly Efficient Headphone Driver
* Audio Performance - ADC SNR 9

Applications

* Portable MP3 Players and Recorders
* CD and Minidisc Recorders
* PDAs / smartphones CSB SDIN SCLK MODE AVDD VMID AGND MICBIAS RLINEIN MICIN VOL + 12 to - 34 .5 dB , 1 .5 dB Steps 0 dB / 20 dB LLINEIN VOL + 12 to - 34 .5 dB , 1 . 5 dB Steps MUTE MUTE MUX MUTE MUTE MUX ADC ADC

WM8731_WolfsonMicroelectronicsplc.pdf