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WM8986GECO/V Datasheet(PDF) 75 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) 75 Page - Wolfson Microelectronics plc

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Pre-Production
WM8986
w
PP, Rev 3.1, February 2007
75
REGISTER
ADDRESS
BIT
LABEL
DEFAULT
DESCRIPTION
REFER TO
2:0
AUXL2BOOSTVOL
000
Controls the auxilliary amplifer to the left channel
input boost stage:
000=Path disabled (disconnected)
001=-12dB gain through boost stage
010=-9dB gain through boost stage
…
111=+6dB gain through boost stage
Input Signal
Path
8
PGABOOSTR
1
Boost enable for right channel input PGA:
0 = PGA output has +0dB gain through input
BOOST stage.
1 = PGA output has +20dB gain through input
BOOST stage.
Input Signal
Path
7:3
00000
Reserved
48 (30h)
2:0
AUXR2BOOSTVOL
000
Controls the auxilliary amplifer to the right
channel input boost stage:
000=Path disabled (disconnected)
001=-12dB gain through boost stage
010=-9dB gain through boost stage
…
111=+6dB gain through boost stage
Input Signal
Path
8:7
00
Reserved
6
DACL2RMIX
0
Left DAC output to right output mixer
0 = not selected
1 = selected
Analogue
Outputs
5
DACR2LMIX
0
Right DAC output to left output mixer
0 = not selected
1 = selected
Analogue
Outputs
4:3
00
Reserved. Initialise to 0
2
TSOPCTRL
0
Thermal Shutdown Output enable
0 = Disabled
1 = Enabled, i.e. all outputs will be disabled if TI
set and the device junction temperature is more
than 125ºC.
Analogue
Outputs
1
TSDEN
1
Thermal Shutdown Enable
0 : thermal shutdown disabled
1 : thermal shutdown enabled
Analogue
Outputs
49 (31h)
0
VROI
0
VREF (AVDD/2 or 1.5xAVDD/2) to analogue
output resistance
0: approx 1k
Ω
1: approx 30 k
Ω
Analogue
Outputs
8:6
AUXLMIXVOL
000
Aux left channel input to left mixer volume
control:
000 = -15dB
001 = -12dB
…
101 = 0dB
110 = +3dB
111 = +6dB
Analogue
Outputs
50 (32h)
5
AUXL2LMIX
0
Left Auxilliary input to left channel output mixer:
0 = not selected
1 = selected
Analogue
Outputs



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