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WM9093ECS/R Datasheet(PDF) 21 Page - Wolfson Microelectronics plc

Part # WM9093ECS/R
Description  Ultra Low Power Audio Subsystem
PDF  84 Pages
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Manufacturer  WOLFSON [Wolfson Microelectronics plc]
Direct Link  http://www.wolfsonmicro.com
Logo WOLFSON - Wolfson Microelectronics plc

WM9093ECS/R Datasheet(HTML) 21 Page - Wolfson Microelectronics plc

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Production Data
WM9093
w
PD, March 2012, Rev 4.2
21
OUTPUT SIGNAL PATH
The WM9093 output mixers provide a high degree of flexibility, allowing configurable operation of
multiple signal paths through the device to a variety of analogue outputs. The outputs comprise a
ground referenced headphone driver and Class D/AB loudspeaker driver. See “Analogue Outputs” for
further details of these outputs.
The WM9093 output signal paths and control registers are illustrated in Figure 3.
Figure 3 Control Registers for Output Signal Path
OUTPUT SIGNAL PATHS ENABLE
The output mixers and drivers can be independently enabled and disabled as described in Table 4.
See “Power Sequences and Pop Suppression Control” for details of additional control bits relating to
the Headphone Output configuration.
Note that, when using the ‘Voice Bypass’ inputs on pins IN3+ and IN3-, these signals can be routed to
the Speaker output without enabling the Speaker mixer or the Speaker PGA. This provides a low-
power configuration, bypassing the input and output mixer circuits.



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