AKD4730 Datasheet, PDF (14/29 Pages) Asahi Kasei Microsystems – AK4730-100W Evaluation Board Rev.4

ASAHI KASEI
[AKD4730-100W]
Revision History
Date
(YY/MM/DD)
04/05/20
04/12/14
Manual
Revision
KM074900
KM074901
Board
Reason
Revision
0 First Edition
1 Circuit Change
Contents
Additions and changes of parts number due to changes of
parts of npn transistors of Output Lch and Output Rch
from 2 in 1 package to discrete. Added parts number Q33,
Q34, Q35, Q36, Q37, Q38 due to this changes.
Defined new parts number.
Changes of parts number:
Output Lch
Q2A Æ Q2
Q2B Æ Q33
Q4A Æ Q4
Q4B Æ Q34
Q8A Æ Q8
Q8B Æ Q35
: Output Rch
: Q18A Æ Q18
: Q18B Æ Q36
: Q20A Æ Q20
: Q20B Æ Q37
: Q24A Æ Q24
: Q24B Æ Q38
Changes of parameters of circuit around AK4730:
C23, C25 : 10u Æ 47u
R4, R11 : 1M Æ 1.2M
05/01/25
05/04/04
KM074902
KM074903
05/07/19
KM074904
Changes of parameters of circuit around Output Lch and
Output Rch:
C87, C132 : 0.33u Æ 0.1u
R69, R92 : 200 Æ 51
3 Board Revision Change Rev.A Æ Rev.3
3 Control Software Version Ver.1.0 Æ Ver.3.0
Change
akd4730.exe Æ akd4730_3.exe
Control Software File Name
Change
4 Board Revision Change Rev.3 Æ Rev.4
Parts ID Change
Inductance for LPF: Parts ID Change
RLF12560-100M7R5 Æ TRTT14-J026
<KM074904>
- 14 -
2005/07