Datasheet
MAX98355A/MAX98355B
PCM Input Class D Audio Power Amplifiers
33Maxim Integrated
Package Information
For the latest package outline information and land patterns (footprints), go to www.maximintegrated.com/packages. Note that a
“+”, “#”, or “-” in the package code indicates RoHS status only. Package drawings may show a different suffix character, but the
drawing pertains to the package regardless of RoHS status.
PACKAGE TYPE PACKAGE CODE OUTLINE NO. LAND PATTERN NO.
9 WLP W91F1+1
21-0459
Refer to Application Note 1891
E
D
AAAA
PIN 1
INDICATOR
MARKING
A3
A2
A1
A
See Note 7
0.05
S
S
e
D1
E1
b
SE
SD
0.05
M S
AB
A
B
SIDE VIEW
A
TOP VIEW
BOTTOM VIEW
A
1
1
PACKAGE OUTLINE
9 BUMPS, WLP PKG. 0.4mm PITCH
21-0459 G
0.64
0.19
0.45
0.025
0.27
0.80
0.80
0.40
0.00
0.00
W91F1+1
32
B
C
W91B1+7
W91C1+1
1.260
0.040
W91G1+1
1.260
0.040
1.595
0.035
1.465
0.015
1.415
0.035
1.435
0.015
1.345
0.015
1.455
0.015
1.238
0.015
1.238
0.015
W91J1+1
TITLE
DOCUMENT CONTROL NO.
REV.
1
1
APPROVAL
COMMON DIMENSIONS
A
A2
A1
A3
b
E1
D1
e
SD
SE
0.05
0.03
0.03
BASIC
REF
BASIC
E
D
PKG. CODE
DEPOPULATED
BUMPS
NONE
NOTES:
1. Terminal pitch is defined by terminal center to center value.
2. Outer dimension is defined by center lines between scribe lines.
3. All dimensions in millimeter.
4. Marking shown is for package orientation reference only.
5. Tolerance is ± 0.02 unless specified otherwise.
6. All dimensions apply to PbFree (+) package codes only.
7. Front - side finish can be either Black or Clear.
BASIC
BASIC
- DRAWING NOT TO SCALE -
NONE
NONE
NONE
NONE
BASIC
BASIC
TM
integrated
maxim