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WM8940 Datasheet(PDF) 31 Page - Wolfson Microelectronics plc

Part # WM8940
Description  Mono CODEC with Speaker Driver
Download  85 Pages
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Manufacturer  WOLFSON [Wolfson Microelectronics plc]
Direct Link  http://www.wolfsonmicro.com
Logo WOLFSON - Wolfson Microelectronics plc

WM8940 Datasheet(HTML) 31 Page - Wolfson Microelectronics plc

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Pre-Production
WM8940
w
Pre-Production, Rev 3.0, February 2007
31
NORMAL MODE
ALCMODE = 0 (Normal Mode)
ALCATK
tATK
tATK6dB
tATK90%
0000
104µs
832µs
6ms
0001
208µs
1.66ms
12ms
0010
416µs
3.33ms
24ms
0011
832µs
6.66ms
48ms
0100
1.66ms
13.3ms
96ms
0101
3.33ms
26.6ms
192ms
0110
6.66ms
53.2ms
384ms
0111
13.3ms
106ms
767ms
1000
26.6ms
213.2ms
1.53s
1001
53.2ms
426ms
3.07s
1010
106ms
852ms
6.13s
Attack Time (s)
ALCMODE = 0 (Normal Mode)
ALCDCY
tDCY
tDCY6dB
tDCY90%
0000
410µs
3.28ms
23.6ms
0001
820µs
6.56ms
47.2ms
0010
1.64ms
13.1ms
94.5ms
0011
3.28ms
26.2ms
189ms
0100
6.56ms
52.5ms
378ms
0101
13.1ms
105ms
756ms
0110
26.2ms
210ms
1.51s
0111
52.5ms
420ms
3.02s
1000
105ms
840ms
6.05s
1001
210ms
1.68s
12.1s
1010
420ms
3.36s
24.2s
Decay Time (s)
Table 21 ALC Normal Mode (Attack and Decay times)


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