wm8976gefl-v Wolfson Microelectronics plc, wm8976gefl-v Datasheet - Page 59

• Manufacturer Part Number: wm8976gefl-v
• Description: Stereo Codec With Speaker Driver
• Manufacturer: Wolfson Microelectronics plc

Production Data
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OUT3/OUT4 MIXERS AND OUTPUT STAGES
Figure 31 OUT3 and OUT4 Mixers
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 31.
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.
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.
PD Rev 4.4 July 2009
WM8976
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