WM8952 Datasheet, PDF (32/72 Pages) Wolfson Microelectronics plc – Mono ADC with Microphone Pre-amplifier

WM8952
Pre Production
LIMITER MODE
ALCMODE = 1 (Limiter Mode)
ALCATK
0000
0001
0010
0011
0100
0101
0110
0111
1000
1001
1010
t_ATKLIM
22.7μs
45.4μS
90.8μS
182μS
363μS
726μS
1.45ms
2.9ms
5.81ms
11.6ms
23.2ms
Attack Time (s)
t_ATKLIM6dB
t_ATKLIM90%
182μs
1.31ms
363μs
2.62ms
726μs
5.23ms
1.45ms
10.5ms
2.91ms
20.9ms
5.81ms
41.8ms
11.6ms
83.7ms
23.2ms
167ms
46.5ms
335ms
93ms
669ms
186ms
1.34s
ALCMODE = 1 (Limiter Mode)
ALCDCY
0000
0001
0010
0011
0100
0101
0110
0111
1000
1001
1010
t_DCYLIM
90.8μs
182μS
363μS
726μS
1.45ms
2.91ms
5.81ms
11.6ms
23.2ms
46.5ms
93ms
Attack Time (s)
t_DCYLIM6dB
t_DCYLIM90%
726μs
5.23ms
1.45ms
10.5ms
2.91ms
20.9ms
5.81ms
41.8ms
11.6ms
83.7ms
23.2ms
167ms
46.5ms
335ms
93ms
669ms
186ms
1.34s
372ms
2.68s
744ms
5.36s
Table 22 ALC Limiter Mode (Attack and Decay times)
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PP, Rev 3.1, June 2011
32