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WM8912 Datasheet(PDF) 37 Page - Wolfson Microelectronics plc

Part # WM8912
Description  Ultra Low Power DAC with Headphone Driver for Portable Audio Applications
PDF  128 Pages
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Manufacturer  WOLFSON [Wolfson Microelectronics plc]
Direct Link  http://www.wolfsonmicro.com
Logo WOLFSON - Wolfson Microelectronics plc

WM8912 Datasheet(HTML) 37 Page - Wolfson Microelectronics plc

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Production Data
WM8912
w
PD, Rev 4.0, September 2010
37
OUTPUT SIGNAL PATH
The outputs HPOUTL and LINEOUTL are derived from the Left DAC output, whilst the outputs
HPOUTR and LINEOUTR are derived from the Right DAC output, as illustrated in Figure 22.
A feedback path for common mode noise rejection is provided at HPOUTFB and LINEOUTFB for the
Headphone and Line outputs respectively. This pin must be connected to ground for normal
operation.
Each analogue output can be separately enabled; independent volume control is also provided for
each output. The signal paths and associated control registers are illustrated in Figure 22.
Figure 22 Output Signal Path and Control Registers



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