WM8976CGEFLSLASHV datasheet(62/114 Pages) WOLFSON

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WM8976CGEFL/V 데이터시트(PDF) 62 Page - Wolfson Microelectronics plc

부품명	WM8976CGEFL/V

상세설명	Stereo CODEC with Speaker Driver

PDF	114 Pages

Scroll/Zoom	100%

제조업체	WOLFSON [Wolfson Microelectronics plc]

홈페이지	http://www.wolfsonmicro.com

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62 / 114 page

WM8976

Production Data

PD, Rev 4.5, November 2011

OUTPUT PHASING

The relative phases of the analogue outputs will depend upon the following factors:

DACPOLL and DACPOLR invert bits: Setting these bits to 1 will invert the DAC output.

Mixer configuration: The polarity of the signal will depend upon the route through the mixer path.

For example, DACL can be directly input to the OUT3 mixer, giving a 180° phase shift at the

OUT3 mixer output. However, if DACL is input to the OUT3 mixer via the left mixer, an additional

phase shift will be introduced, giving 0° phase shift at the OUT3 mixer output.

Output boost set-up: When 1.5x boost is enabled on an output, no phase shift occurs. When

1.5x boost is not enabled, a 180° phase shift occurs.

Figure 27 shows where these phase inversions can occur in the output signal path.

Figure 33 Output Signal Path Phasing

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