ak4528 AKM Semiconductor, Inc., ak4528 Datasheet - Page 23

• Manufacturer Part Number: ak4528
• Description: High Performance 24bit 96khz Audio Codec
• Manufacturer: AKM Semiconductor, Inc.

ASAHI KASEI
MS0011-E-01
Data
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
:
:
:
:
:
:
:
:
(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)
−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
MUTE
−0.28
−0.57
−5.65
−6.06
−6.34
0
:
:
:
:
:
:
:
:
Table 8. OATT 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
-
:
:
:
:
:
:
:
:
External 128 levels are converted to internal
8032 linear levels of DATT. Internal DATT
soft-changes between DATAs.
DATT=2^m x (2 x l + 33) – 33
m: MSB 3-bits of data
l: LSB 4-bits of data
OATT
[AK4528]
2004/01