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AK4524_12 Datasheet, PDF (25/32 Pages) Asahi Kasei Microsystems – 24Bit 96kHz Audio CODEC | |||
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[AK4524]
Data
Internal
(DATT)
Gain (dB) Step width (dB)
127
8031
0
-
126
7775
â0.28
0.28
125
7519
â0.57
0.29
:
:
:
:
112
4191
â5.65
0.51
111
3999
â6.06
0.41
110
3871
â6.34
0.28
OATT
:
:
:
96
2079
â11.74
95
1983
â12.15
94
1919
â12.43
:
External 128 levels are converted to internal
0.52
8032 linear levels of DATT. Internal DATT
0.41
soft-changes between DATAs.
0.28
:
:
:
80
1023
â17.90
:
DATT=2^m x (2 x l + 33) â 33
0.53
79
975
â18.32
0.42
m: MSB 3-bits of data
78
943
â18.61
0.29
l: LSB 4-bits of data
:
:
:
:
64
495
â24.20
0.54
63
471
â24.64
0.43
62
455
â24.94
0.30
:
:
:
:
48
231
â30.82
0.58
47
219
â31.29
0.46
46
211
â31.61
0.32
:
:
:
:
32
99
â38.18
0.67
31
93
â38.73
0.54
30
89
â39.11
0.38
:
:
:
:
16
33
â47.73
0.99
15
30
â48.55
0.83
14
28
â49.15
0.60
:
:
:
:
5
10
â58.10
1.58
4
8
â60.03
1.94
3
6
â62.53
2.50
2
4
â66.05
3.52
1
2
â72.07
6.02
0
0
MUTE
Table 11. OATT code table
M0050-E-04
- 25 -
2012/01
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