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AK4524_12 Datasheet, PDF (23/32 Pages) Asahi Kasei Microsystems – 24Bit 96kHz Audio CODEC | |||
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[AK4524]
Data
255 - 165
164
163
162
:
130
129
128
127
126
125
:
112
111
110
:
96
95
94
:
80
79
78
:
64
63
62
:
48
47
46
:
32
31
30
:
16
15
14
:
5
4
3
2
1
0
Internal
(DATT)
-
-
-
-
-
-
-
-
8031
7775
7519
:
4191
3999
3871
:
2079
1983
1919
:
1023
975
943
:
495
471
455
:
231
219
211
:
99
93
89
:
33
30
28
:
10
8
6
4
2
0
Gain (dB)
+18
+18
+17.5
+17
:
+1.0
+0.5
0
0
â0.28
â0.57
:
â5.65
â6.06
â6.34
:
â11.74
â12.15
â12.43
:
â17.90
â18.32
â18.61
:
â24.20
â24.64
â24.94
:
â30.82
â31.29
â31.61
:
â38.18
â38.73
â39.11
:
â47.73
â48.55
â49.15
:
â58.10
â60.03
â62.53
â66.05
â72.07
MUTE
Step width (dB)
-
-
0.5
IPGA
0.5
0.5
Analog volume with 0.5dB step
0.5
0.5
0.5
-
0.28
0.29
:
0.51
0.41
0.28
IATT
:
External 128 levels are converted to internal
0.52
8032 linear levels of DATT. Internal DATT
0.41
soft-changes between DATAs.
0.28
:
DATT=2^m x (2 x l + 33) â 33
0.53
0.42
m: MSB 3-bits of data
0.29
l: LSB 4-bits of data
:
0.54
0.43
0.30
:
0.58
0.46
0.32
:
0.67
0.54
0.38
:
0.99
0.83
0.60
:
1.58
1.94
2.50
3.52
6.02
Table 10. IPGA code table
M0050-E-04
- 23 -
2012/01
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