wm9081 Wolfson Microelectronics plc, wm9081 Datasheet - Page 108
wm9081
Manufacturer Part Number
wm9081
Description
Mono Dac With 2.6w Class Ab/d Speaker Driver, Dynamic Range Controller And Retune Mobile Parametric Equalizer
Manufacturer
Wolfson Microelectronics plc
Datasheet
1.WM9081.pdf
(109 pages)
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WM9081
PACKAGE DIMENSIONS
COL 4 X 4 X 0.55 PACKAGE
w
FL: 28 PIN COL QFN PLASTIC PACKAGE 4
Symbols
A3
SEATING PLANE
C
NOTES:
1. DIMENSION b APPLIES TO METALLIZED TERMINAL AND IS MEASURED BETWEEN 0.15 mm AND 0.30 mm FROM TERMINAL TIP.
2. ALL DIMENSIONS ARE IN MILLIMETRES.
3. COPLANARITY APPLIES TO THE EXPOSED HEAT SINK SLUG AS WELL AS THE TERMINALS.
4. REFER TO APPLICATIONS NOTE WAN_0118 FOR FURTHER INFORMATION REGARDING PCB FOOTPRINTS AND QFN PACKAGE SOLDERING.
5. DEPENDING ON THE METHOD OF LEAD TERMINATION AT THE EDGE OF THE PACKAGE, PULL BACK (L1) MAY BE PRESENT.
6. THIS DRAWING IS SUBJECT TO CHANGE WITHOUT NOTICE.
aaa
bbb
ccc
REF:
L1
W
A1
A3
A
D
G
H
T
b
E
e
L
A
15
21
Tolerances of Form and Position
14
22
A3
0.500
MIN
0.18
3.95
3.95
0
Exposed lead
BOTTOM VIEW
e
SIDE VIEW
b
0.152 REF
0.535 REF
0.076 REF
0.076 REF
0.230 REF
0.45 BSC
0.40 REF
0.05 REF
0.550
0.025
NOM
JEDEC, MO-220
0.15
0.10
0.23
4.00
4.00
0.10
b
H
28
8
Dimensions (mm)
W
1
7
1
bbb
DETAIL 2
DETAIL 2
0.600
A1
M
MAX
0.28
4.05
4.05
T
0.05
G
A
C
DETAIL 1
A
SEE DETAIL 2
B
X
ccc
4
0.08
X
C
0.55 mm BODY, 0.45 mm LEAD PITCH
C
NOTE
1
5
5
2 X
4
DETAIL 1
2 X
INDEX AREA
(D/2 X E/2)
aaa
aaa
C
0.275MM
C
0.275MM
PIN 1
IDENTIFICATION
0.150MM SQUARE
TOP VIEW
D
DETAIL 2
Datum
R
L
L1
E
DM050.B
e
Terminal
Tip
e/2
PP, Rev 3.0, April 2009
Pre-Production
108
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