AK4524VF Asahi Kasei Microsystems, AK4524VF Datasheet - Page 23

• Manufacturer Part Number: AK4524VF
• Description: 24BIT 96KHZ AUDIO CODEC
• Manufacturer: Asahi Kasei Microsystems

ASAHI KASEI
M0050-E-01
255 - 165
Data
164
163
162
130
129
128
127
126
125
112
111
110
96
95
94
79
78
77
64
63
62
48
47
46
32
31
30
16
15
14
5
4
3
2
1
0
:
:
:
:
:
:
:
:
:
(DATT)
Internal
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)
MUTE
-11.74
-12.15
-12.43
-17.90
-18.32
-18.61
-24.20
-24.64
-24.94
-30.82
-31.29
-31.61
-38.18
-38.73
-39.11
-47.73
-48.55
-49.15
-58.10
-60.03
-62.53
-66.05
-72.07
+17.5
-0.28
-0.57
-5.65
-6.06
-6.34
+1.0
+0.5
+18
+18
+17
0
0
:
:
:
:
:
:
:
:
:
Table 10. IPGA code table
Step width (dB)
- 23 -
0.28
0.29
0.51
0.41
0.28
0.52
0.41
0.28
0.53
0.42
0.29
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
0.5
0.5
0.5
0.5
0.5
0.5
-
-
-
:
:
:
:
:
:
:
:
External 128 levels are converted to internal
8032 linear levels of DATT. Internal DATT
soft-changes between DATAs.
Analog volume with 0.5dB step
DATT=2^m x (2 x l + 33) – 33
m: MSB 3-bits of data
l: LSB 4-bits of data
IPGA
IATT
[AK4524]
1999/5