AK7841 Datasheet, PDF (20/21 Pages) Asahi Kasei Microsystems – Monaural Audio Class-D Amp with Power Booster for PiezoSpeaker

ASAHI KASEI
[AK7841]
MARKING
(a)
Market number：“7841”
(b)
Date code(four digits)
Y
：Last one digits of Christian year (ex. “2007” Æ “7”)
WW ：Manufactured week
L
：Wafer lot number, which manufactured in same week (“A”, “B”, “C”, ･･･)
(c)
Index indication ：”A2” pin location
(a) _{7 8 4 1}
(b) _{Y W W L}
(C)
Figure. 20 Package Marking (AK7841)
Rev.08
- 20 -
2008/3