WM8941GEFL WOLFSON [Wolfson Microelectronics plc], WM8941GEFL Datasheet - Page 73
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WM8941GEFL
Manufacturer Part Number
WM8941GEFL
Description
Mono CODEC with Speaker Driver and Video Buffer
Manufacturer
WOLFSON [Wolfson Microelectronics plc]
Datasheet
1.WM8941GEFL.pdf
(96 pages)
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Pre Production
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Notes:
1. This step enables the internal device bias buffer and the VMID buffer for unassigned
2. Choose the value of VMIDSEL bits based on the startup time (VMIDSEL = 10 for the slowest
In addition to the power on sequence, it is recommended that the zero cross functions are used
when changing the volume in the PGAs to avoid any audible pops and clicks.
inputs/outputs. This will provide a startup reference for all inputs and outputs. This will cause the
inputs and outputs to ramp towards VMID in a way that is controlled and predictable.
startup, VMIDSEL = 11 for the fastest startup). Startup time is defined by the value of the
VMIDSEL bits (the reference impedance) and the external decoupling capacitor on VMID.
PP, Rev 3.3, December 2007
WM8941
73
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