WM8903LGEFK/RV Wolfson Microelectronics, WM8903LGEFK/RV Datasheet - Page 133

• 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

Production Data
REGISTER BITS BY ADDRESS
R0 (00h)
SW Reset
and ID
Register 00h SW Reset and ID
R1 (01h)
Revision
Number
Register 01h Revision Number
R4 (04h)
Bias Control
0
Register 04h Bias Control 0
w
REGISTER
ADDRESS
REGISTER
REGISTER
ADDRESS
ADDRESS
15:0
BIT
BIT
3:2
BIT
3:0
4
1
0
CHIP_REV [3:0]
STARTUP_BIAS_EN
SW_RST_DEV_ID1
LABEL
BIAS_ENA
POBCTRL
ISEL [1:0]
LABEL
LABEL
[15:0]
A
DEFAULT
0010
DEFAULT
1000_1001_0000_0011 Writing to this register resets all
10
1
0
0
DEFAULT
Reading from this register will indicate the Revision
ID.
Selects the bias current source for output
amplifiers and VMID buffer
0 = Default bias
1 = Start-Up bias
Master Bias control
00 = Normal bias x 0.5
01 = Normal bias x 0.75
10 = Normal bias
11 = Normal bias x 1.5
Enables the Start-Up bias current generator
0 = Disabled
1 = Enabled
Enables the Normal bias current generator (for
all analogue functions)
0 = Disabled
1 = Enabled
registers to their default state.
Reading from this register will
indicate Device ID 8903h.
DESCRIPTION
DESCRIPTION
DESCRIPTION
PD, Rev 4.0, September 2010
WM8903
133