WM8985GEFL Wolfson Microelectronics, WM8985GEFL Datasheet - Page 48

• Manufacturer Part Number: WM8985GEFL
• Description: Audio CODECs Multimedia CODEC with Class D HP
• Manufacturer: Wolfson Microelectronics

Specifications of WM8985GEFL

• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Package / Case: QFN-32
• Minimum Operating Temperature: - 25 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

WM8985
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LIMITER MODE
Table 20 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
PD, Rev 4.6, July 2009
Production Data
48