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WM8946ECS/R Datasheet(PDF) 23 Page - Wolfson Microelectronics plc

Part # WM8946ECS/R
Description  Stereo Low-Power CODEC with Video Buffer
PDF  175 Pages
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Manufacturer  WOLFSON [Wolfson Microelectronics plc]
Direct Link  http://www.wolfsonmicro.com
Logo WOLFSON - Wolfson Microelectronics plc

WM8946ECS/R Datasheet(HTML) 23 Page - Wolfson Microelectronics plc

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Production Data
WM8946
w
PD, July 2012, Rev 4.3
23
ANALOGUE INPUT SIGNAL PATH
The WM8946 has six analogue input pins, which may be selected in many different configurations.
The analogue input paths can support line and microphone inputs, in single-ended or pseudo-
differential modes. The auxiliary input pins (AUX1 and AUX2) may be configured as inputs to the
input PGAs or to the output mixers.
The Left and Right input PGA audio channels are routed to the Analogue to Digital converters
(ADCs). There is also a bypass path for each channel, enabling the signal to be routed directly to the
output mixers.
The WM8946 input signal paths and control registers are illustrated in Figure 10.
Figure 10 Input Signal Paths



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