WM8903LGEFK/RV Wolfson Microelectronics, WM8903LGEFK/RV Datasheet - Page 152

• Manufacturer Part Number: WM8903LGEFK/RV
• Description: Audio CODECs ULTRA LOW PWR HI FI CODEC
• Manufacturer: Wolfson Microelectronics

Specifications of WM8903LGEFK/RV

• Audio Codec Type: Stereo Codec
• No. Of Adcs: 2
• No. Of Dacs: 2
• No. Of Input Channels: 6
• No. Of Output Channels: 8
• Adc / Dac Resolution: 24bit
• Sampling Rate: 96kHz
• Operating Temperature Range: -40°C To +85°C
• Rohs Compliant: Yes
• Adcs / Dacs Signal To Noise Ratio: 96dB
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

WM8903
R164 (A4h)
Clock Rate
Test 4
Register A4h Clock Rate Test 4
R172 (ACh)
Analogue
Output Bias
0
Register ACh Analogue Output Bias 0
R187 (BBh)
Analogue
Output Bias
2
Register BBh Analogue Output Bias 2
w
REGISTER
REGISTER
REGISTER
ADDRESS
ADDRESS
ADDRESS
BIT
6:4
BIT
2:0
BIT
9
OUTPUTS_BIA
S [2:0]
ADC_DIG_MIC
PGA_BIAS
[2:0]
LABEL
LABEL
LABEL
DEFAULT
DEFAULT
DEFAULT
000
000
0
Headphone and Lineout PGA bias control
000 = Normal bias
001 = Normal bias x 1.5
010 = Normal bias x 0.75
011 = Normal bias x 0.5
100 = Normal bias x 0.33
101 = Normal bias
110 = Normal bias
111 = Normal bias x 2
Enables Digital Microphone mode.
0 = Audio DSP input is from ADC
1 = Audio DSP input is from digital microphone
interface
Headphone and Lineout Output Drivers bias control
000 = Normal bias
001 = Normal bias x 1.5
010 = Normal bias x 0.75
011 = Normal bias x 0.5
100 = Normal bias x 0.33
101 = Normal bias
110 = Normal bias
111 = Normal bias x 2
DESCRIPTION
DESCRIPTION
DESCRIPTION
PP, Rev 3.1, August 2009
Pre-Production
152