WM8978_06 Wolfson Microelectronics Ltd., WM8978_06 Datasheet - Page 45

• Manufacturer Part Number: WM8978_06
• Description: Stereo Codec With Speaker Driver
• Manufacturer: Wolfson Microelectronics Ltd.

Pre-Production
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LIMITER MODE
Table 22 ALC Limiter Mode (Attack and Decay times)
ALCMODE = 1 (Limiter Mode)
ALCATK
ALCMODE = 1 (Limiter Mode)
ALCDCY
0000
0001
0010
0011
0100
0101
0110
0111
1000
1001
1010
0000
0001
0010
0011
0100
0101
0110
0111
1000
1001
1010
t
t
ATKLIM
DCYLIM
1.45ms
5.81ms
11.6ms
23.2ms
1.45ms
2.91ms
5.81ms
11.6ms
23.2ms
46.5ms
45.4µS
90.8µS
22.7µs
90.8µs
182µS
363µS
726µS
182µS
363µS
726µS
2.9ms
93ms
t
t
ATKLIM6dB
DCYLIM6dB
Attack Time (s)
Attack Time (s)
1.45ms
2.91ms
5.81ms
11.6ms
23.2ms
46.5ms
1.45ms
2.91ms
5.81ms
11.6ms
23.2ms
46.5ms
186ms
186ms
372ms
744ms
182µs
363µs
726µs
726µs
93ms
93ms
t
t
ATKLIM90%
DCYLIM90%
1.31ms
2.62ms
5.23ms
10.5ms
20.9ms
41.8ms
83.7ms
5.23ms
10.5ms
20.9ms
41.8ms
83.7ms
167ms
335ms
669ms
167ms
335ms
669ms
1.34s
1.34s
2.68s
5.36s
PP Rev 3.0 May 2006
WM8978
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