AK4633 Datasheet, PDF (81/82 Pages) Asahi Kasei Microsystems – 16-Bit Mono CODEC with ALC & MIC/SPK-AMP

ASAHI KASEI
MARKING
[AK4633]
4633
XXXX
1
XXXX: Date code (4 digit)
Pin #1 indication
Revision History
Date (YY/MM/DD)
05/12/26
06/04/28
Revision
00
03
Reason
First Edition
Error Correct
Error Correct
Page
40
41
Contents
Table 19 : PDSDO bit → PFSDO bit
2 Band Equalizer : The Coefficient of C is corrected.
[Before correct]
1 − tan (πfb/fs)
C=
1 + tan (πfb/fs)
Add
Explanation
Add
Explanation
Error Correct
[After correct]
1 − tan (πfb/fs)
C= ^−
1 + tan (πfb/fs)
42
53, 75
54
2 Band Equalizer : The note is added when these
equalizer are used as notch filters
Speaker-Amp Control Sequence
The wait time from PMSPK bit = “1” to SPPSN bit is
“1” is added.
Serial control interface
Bit6 in Figure 43 : A2 → A1
MS0447-E-03
- 81 -
2006/04