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WM8986GECO/V Datasheet(PDF) 40 Page - Wolfson Microelectronics plc

Part # WM8986GECO/V
Description  Multimedia DAC With Class D Headphone and Line Out
PDF  87 Pages
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Manufacturer  WOLFSON [Wolfson Microelectronics plc]
Direct Link  http://www.wolfsonmicro.com
Logo WOLFSON - Wolfson Microelectronics plc

WM8986GECO/V Datasheet(HTML) 40 Page - Wolfson Microelectronics plc

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WM8986
Pre-Production
w
PP, Rev 3.1, February 2007
40
REGISTER
ADDRESS
BIT
LABEL
DEFAULT
DESCRIPTION
0
DACR2RMIX
1
Right DAC output to right output
mixer
0 = not selected
1 = selected
1
BYPR2RMIX
0
Right channel input PGA stage to
right output mixer
0 = not selected
1 = selected
4:2
BYPRMIXVOL
000
Volume control for Right channel
input PGA stage to right output
mixer
000 = -15dB
001 = -12dB
010 = -9dB
011 = -6dB
100 = -3dB
101 = 0dB
110 = +3dB
111 = +6dB
5
AUXR2RMIX
0
Right Auxiliary input to right channel
output mixer:
0 = not selected
1 = selected
R51 (33h)
Right channel
output mixer
control
8:6
AUXRMIXVOL
000
Aux right channel input to right mixer
volume control:
000 = -15dB
001 = -12dB
010 = -9dB
011 = -6dB
100 = -3dB
101 = 0dB
110 = +3dB
111 = +6dB
2
LMIXEN
0
Left output channel mixer enable:
0 = disabled
1= enabled
R3 (03h)
Power
management
3
3
RMIXEN
0
Right output channel mixer enable:
0 = disabled
1 = enabled
Table 22 Left and Right Output Mixer Control
HEADPHONE OUTPUTS (LOUT1 AND ROUT1)
The headphone outputs LOUT1 and ROUT1 can drive a 16
Ω or 32Ω headphone load, either through
DC blocking capacitors, or DC-coupled to a buffered midrail reference (LOUT2 or ROUT2), saving a
capacitor (capless mode). When using capless mode AVDD1 and AVDD2 should use the same
supply to maximise supply rejection. OUT3 and OUT4 should not be used as a buffered midrail
reference in capless mode.



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