WM8976GEFL/V Wolfson Microelectronics, WM8976GEFL/V Datasheet - Page 48

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
w
R24
DAC digital
limiter control
1
R25
DAC digital
limiter control
2
REGISTER
ADDRESS
3:0
7:4
8
3:0
BIT
LIMATK
LIMDCY
LIMEN
LIMBOOST
LABEL
0010
0011
0
0000
DEFAULT
Limiter Attack time (per 6dB gain
change) for 44.1kHz sampling. Note
that these will scale proportionally with
sample rate.
0000=94us
0001=188s
0010=375us
0011=750us
0100=1.5ms
0101=3ms
0110=6ms
0111=12ms
1000=24ms
1001=48ms
1010=96ms
1011 to 1111=192ms
Limiter Decay time (per 6dB gain
change) for 44.1kHz sampling. Note
that these will scale proportionally with
sample rate:
0000=750us
0001=1.5ms
0010=3ms
0011=6ms
0100=12ms
0101=24ms
0110=48ms
0111=96ms
1000=192ms
1001=384ms
1010=768ms
1011 to 1111=1.536s
Enable the DAC digital limiter:
0=disabled
1=enabled
Limiter volume boost (can be used as a
stand alone volume boost when
LIMEN=0):
0000=0dB
0001=+1dB
0010=+2dB
… (1dB steps)
1011=+11dB
1100=+12dB
1101 to 1111=reserved
DESCRIPTION
PD Rev 4.4 July 2009
Production Data
48

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