WM8753 Wolfson Microelectronics plc, WM8753 Datasheet - Page 86

• Manufacturer Part Number: WM8753
• Description: HI FI AND TELEPHONY DUAL CODEC
• Manufacturer: Wolfson Microelectronics plc

Advanced Information
PACKAGE DIAGRAM - 52-PIN BGA
w
2
B: 52 BALL BGA PLASTIC PACKAGE 5
NOTES:
1. PRIMARY DATUM -Z- AND SEATING PLANE ARE DEFINED BY THE SPHERICAL CROWNS OF THE SOLDER BALLS.
2. THIS DIMENSION INCLUDES STAND-OFF HEIGHT ‘A1’.
3. DIMENSION ‘b’ IS MEASURED AT THE MAXIMUM SOLDER BALL DIAMETER, PARALLEL TO PRIMARY DATUM -Z-.
4. A1 CORNER IS IDENTIFIED BY INK/LASER MARK ON TOP PACKAGE.
5. BILATERAL TOLERANCE ZONE IS APPLIED TO EACH SIDE OF THE PACKAGE BODY.
6. ‘e’ REPRESENTS THE BASIC SOLDER BALL GRID PITCH.
7. THIS DRAWING IS SUBJECT TO CHANGE WITHOUT NOTICE.
DETAIL 2
A2
A
Symbols
bbb
ddd
aaa
ccc
A1
A2
D1
E1
A
D
E
b
e
A
B
C
D
E
F
G
H
J
Tolerances of Form and Position
1
MIN
aaa
0.95
0.15
0.80
0.25
9
bbb
Z
Z
8
Z
7
BOTTOM VIEW
A1
5.00 BSC
4.00 BSC
5.00 BSC
4.00 BSC
0.50 BSC
6
e
NOM
1.11
0.21
0.90
0.30
0.80
0.10
0.15
0.05
D1
5
4
Dimensions (mm)
3
DETAIL 2
X
2
5
MAX
1.27
0.27
1.00
0.35
1
X
DETAIL 1
0.9 mm BODY, 0.50 mm BALL PITCH
e
6
E1
NOTE
6
4
2 X
2 X
A1
CORNER
0.10
0.10
Z
Z
DETAIL 1
TOP VIEW
D
b
SOLDER BALL
5
3
ddd
ccc
Z
Z
X
Y
AI Rev 3.1 June 2004
DM034.A
E
WM8753L
86