WM8983GEFL/V Wolfson Microelectronics, WM8983GEFL/V Datasheet - Page 33
![Audio CODECs Mbl Multimedia CODEC w/ 1W Speaker Driver](/photos/16/2/160214/qfn-32_sml.jpg)
WM8983GEFL/V
Manufacturer Part Number
WM8983GEFL/V
Description
Audio CODECs Mbl Multimedia CODEC w/ 1W Speaker Driver
Manufacturer
Wolfson Microelectronics
Datasheet
1.WM8983GEFLV.pdf
(124 pages)
Specifications of WM8983GEFL/V
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
Package / Case
QFN-32
Minimum Operating Temperature
- 25 C
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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Production Data
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VOLUME UPDATES
Figure 16 Simultaneous Left and Right Volume Updates
Figure 17 Click Noise during Volume Update
Volume settings will not be applied to the PGAs until a ‘1’ is written to one of the INPPGAVU bits.
This is to allow left and right channels to be updated at the same time, as shown in Figure 16.
If the volume is adjusted while the signal is a non-zero value, an audible click can occur as shown in
Figure 17.
In order to prevent this click noise, a zero cross function is provided. When enabled, this will cause
the PGA volume to update only when a zero crossing occurs, minimising click noise as shown in
Figure 18.
PD, Rev 4.3, May 2010
WM8983
33
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