AK4637 Datasheet, PDF (48/96 Pages) Asahi Kasei Microsystems – 24bit Mono CODEC with MIC - SPK-AMP

[AK4637]
EQnG5-0 bits EQG_DATA Gain [dB]
Formula
3FH
255
0
3EH
251
-0.17
3DH
:
247
-0.31
20 log₁₀ (EQG_DATA/256)
02H
11
-27.34
01H
7
-31.26
00H
0
MUTE
Table 26. EQn Gain Setting (n=2, 3, 4, 5)
(default)
EQnT1-0 Transition Time of EQnG5-0 bits = 3FH ~ 00H
bits
Setting Value fs=8kHz
fs=48kHz
00
256/fs
32ms
5.3ms
(default)
01
2048/fs
256ms
42.7ms
10
8192/fs
1024ms
170.7ms
11
16384/fs
2048ms
341.3ms
Table 27. Transition Time of EQn Gain (n= 2, 3, 4, 5)
015010680-E-00
- 48 -
2015/09