Datasheet Details
- Part number
- WM8731
- Manufacturer
- Wolfson Microelectronics plc
- File Size
- 787.35 KB
- Datasheet
- WM8731_WolfsonMicroelectronicsplc.pdf
- Description
- Portable Internet Audio CODEC
WM8731 Description
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.
WM8731 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
WM8731 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
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