English
Language : 

AK4637EN Datasheet, PDF (94/96 Pages) Asahi Kasei Microsystems – 24bit Mono CODEC with MIC/SPK-AMP
■ Outline Dimensions
20-pin QFN (Unit: mm)
B
A
3.00 ± 0.05
12. Package
[AK4637]
0.75 ± 0.05
0~0.05
C0.25
16
20
15
1
1.90 ± 0.10
Exposed
Pad
10
6
0.40 0.20 ± 0.05
0.07 M C A B
0.05 C
C
Note. The exposed pad on the bottom surface of the package must be connected to the ground.
■ Material & Lead finish
Package molding compound: Epoxy Resin, Halogen (Br and Cl) free
Lead frame material: Cu Alloy
Pin surface treatment: Solder (Pb free) plate
■ Marking
4637
XXXX
1
XXXX: Date code (4 digit)
Pin #1 indication
015010680-E-00
- 94 -
2015/09