WM8980CGEFL/RV WOLFSON [Wolfson Microelectronics plc], WM8980CGEFL/RV Datasheet - Page 65
WM8980CGEFL/RV
Manufacturer Part Number
WM8980CGEFL/RV
Description
Stereo CODEC with Speaker Driver and Video Buffer
Manufacturer
WOLFSON [Wolfson Microelectronics plc]
Datasheet
1.WM8980CGEFLRV.pdf
(123 pages)
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Pre-Production
w
Figure 33 Outputs OUT3 and OUT4
Table 47 OUT3 and OUT4 Boost Stages Control
Table 48 OUT3/OUT4 Output Boost Stage Details
R49
Output control
R1
Power
management
1
OUT3BOOST/
OUT4BOOST
REGISTER
ADDRESS
0
1
3
4
8
BIT
STAGE GAIN
OUTPUT
1.5x
1x
OUT3BOOST
OUT4BOOST
BUFDCOPEN
LABEL
OUTPUT DC
1.5xAVDD/2
AVDD/2
LEVEL
0
DEFAULT
0
0
CONFIGURATION
OUTPUT STAGE
Non-inverting
Inverting
0 = OUT3 output gain = -1;
1 = OUT3 output gain = +1.5
0 = OUT4 output gain = -1;
1 = OUT4 output gain = +1.5
Dedicated buffer for DC level shifting
output stages when in 1.5x gain
boost configuration.
0=Buffer disabled
1=Buffer enabled (required for 1.5x
gain boost)
DC = AVDD / 2
DC = 1.5 x AVDD / 2
DC = AVDD / 2
DC = 1.5 x AVDD / 2
DESCRIPTION
PP, Rev 3.8, May 2012
WM8980
65
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