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WM8980 Fiches technique(PDF) 48 Page - Wolfson Microelectronics plc

No de pièce WM8980
Description  STEREO CODEC WITH SPEAKER DRIVER AND BUFFER
PDF  81 Pages
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Fabricant  WOLFSON [Wolfson Microelectronics plc]
Site Internet  http://www.wolfsonmicro.com
Logo WOLFSON - Wolfson Microelectronics plc

WM8980 Fiches technique(HTML) 48 Page - Wolfson Microelectronics plc

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PP Rev 1.6 January 2005
48
OUT3/OUT4 MIXERS AND OUTPUT STAGES
The OUT3/OUT4 pins can provide an additional stereo line output, a mono output, or a pseudo
ground connection for headphones. There is a dedicated analogue mixer for OUT3 and one for
OUT4 as shown in Figure 19.
The OUT3 and OUT4 output stages are powered from SPKVDD and SPKGND. The individually
controllable outputs also incorporate an optional 1.5x boost and level shifting stage.
Figure 19 OUT3 and OUT4 Mixers
OUT3 can provide a buffered midrail headphone pseudo-ground, or a left line output.
OUT4 can provide a buffered midrail headphone pseudo-ground, a right line output, or a mono mix
output.



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