WM8974GEFL/V Wolfson Microelectronics, WM8974GEFL/V Datasheet - Page 25
WM8974GEFL/V
Manufacturer Part Number
WM8974GEFL/V
Description
Audio CODECs Mono Codec with Spkr
Manufacturer
Wolfson Microelectronics
Datasheet
1.WM8974GEFLV.pdf
(87 pages)
Specifications of WM8974GEFL/V
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
Package / Case
QFN-24
Minimum Operating Temperature
- 25 C
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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Production Data
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When the ALC is disabled, the input PGA remains at the last controlled value of the ALC. An
input gain update must be made by writing to the INPPGAVOLL/R register bits.
NORMAL MODE
Figure 11 ALC Normal Mode Operation
In normal mode, the ALC will attempt to maintain a constant signal level by increasing or decreasing
the gain of the PGA. The following diagram shows an example of this.
PD, Rev 4.5, September 2008
WM8974
25
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