WM8940
Pre-Production
LIMITER MODE
ALCMODE = 1 (Limiter Mode)
Attack Time (s)
tATKLIM6dB
tATKLIM
22.7µs
tATKLIM90%
1.31ms
ALCATK
0000
0001
0010
0011
0100
0101
0110
0111
1000
1001
1010
182µs
363µs
726µs
1.45ms
2.91ms
5.81ms
11.6ms
23.2ms
46.5ms
93ms
45.4µS
90.8µS
182µS
363µS
726µS
1.45ms
2.9ms
5.81ms
11.6ms
23.2ms
2.62ms
5.23ms
10.5ms
20.9ms
41.8ms
83.7ms
167ms
335ms
669ms
1.34s
186ms
ALCMODE = 1 (Limiter Mode)
Attack Time (s)
tDCYLIM6dB
tDCYLIM
90.8µs
tDCYLIM90%
ALCDCY
0000
0001
0010
0011
0100
0101
0110
0111
1000
1001
1010
726µs
1.45ms
2.91ms
5.81ms
11.6ms
23.2ms
46.5ms
93ms
5.23ms
10.5ms
20.9ms
41.8ms
83.7ms
167ms
335ms
669ms
1.34s
182µS
363µS
726µS
1.45ms
2.91ms
5.81ms
11.6ms
23.2ms
46.5ms
93ms
186ms
372ms
744ms
2.68s
5.36s
Table 22 ALC Limiter Mode (Attack and Decay times)
Pre-Production, Rev 3.0, February 2007
32
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WOLFSON [ WOLFSON MICROELECTRONICS PLC ]
