WM8976GEFL/V Wolfson Microelectronics, WM8976GEFL/V Datasheet - Page 34

Audio CODECs Mono ADC Stereo DAC with Spkr

WM8976GEFL/V

Manufacturer Part Number
WM8976GEFL/V
Description
Audio CODECs Mono ADC Stereo DAC with Spkr
Manufacturer
Wolfson Microelectronics
Datasheet

Specifications of WM8976GEFL/V

Mounting Style
SMD/SMT
Package / Case
QFN-32
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
WM8976
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Table 18 ALC Control Registers
NORMAL MODE
Figure 18 ALC Normal Mode Operation
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.
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.
REGISTER
ADDRESS
BIT
LABEL
DEFAULT
… (time doubles with every step)
1010
or
higher
23.2ms
DESCRIPTION
PD Rev 4.4 July 2009
186ms
Production Data
1.34s
34

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