Pre-Production
WM8850
PACKAGE DIMENSIONS
DM079.A
FL: 48 PIN QFN PLASTIC PACKAGE 7 X 7 X 0.75 mm BODY, 0.50 mm LEAD PITCH
PIN 1
D2
D
D2/2
48
37
L
INDEX AREA
(D/2 X E/2)
1
36
EXPOSED
GND
PADDLE
6
E2/2
E2
E
12
25
aaa
C
2 X
2 X
24
13
b
aaa
C
e
TOP VIEW
ccc
C
(A3)
A2
A
A1
C
Symbols
Dimensions (mm)
MIN
NOM
0.75
MAX
NOTE
A
A1
A2
A3
b
0.7
0
0.8
0.05
0.57
0.035
0.55
-
0.203 REF
0.25
0.20
5.55
5.55
0.35
0.30
5.75
5.75
0.45
1
D
7.00 BSC
5.65
D2
E
7.00 BSC
5.65
E2
e
0.5 BSC
0.4
L
Tolerances of Form and Position
aaa
bbb
ccc
REF
0.10
0.08
0.10
JEDEC, MO-220
NOTES:
1. DIMENSION b APPLIED TO METALLIZED TERMINAL AND IS MEASURED BETWEEN 0.15 mm AND 0.30 mm FROM TERMINAL TIP.
2. ALL DIMENSIONS ARE IN MILLIMETRES
3. THE TERMINAL #1 IDENTIFIER AND TERMINAL NUMBERING CONVENTION SHALL CONFORM TO JESD 95-1 SPP-002.
4. COPLANARITY APPLIES TO THE EXPOSED HEAT SINK SLUG AS WELL AS THE TERMINALS.
5. THIS DRAWING IS SUBJECT TO CHANGE WITHOUT NOTICE.
6. REFER TO APPLICATIONS NOTE WAN_0118 FOR FURTHER INFORMATION.
PP, April 2011, Rev 3.2
221
w
WOLFSON [ WOLFSON MICROELECTRONICS PLC ]
