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WM8941 데이터시트(PDF) 94 Page - Wolfson Microelectronics plc

부품명 WM8941
상세설명  Mono CODEC with Speaker Driver and Video Buffer
PDF  96 Pages
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제조업체  WOLFSON [Wolfson Microelectronics plc]
홈페이지  http://www.wolfsonmicro.com
Logo WOLFSON - Wolfson Microelectronics plc

WM8941 데이터시트(HTML) 94 Page - Wolfson Microelectronics plc

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WM8941
Pre Production
w
PP, Rev 3.3, December 2007
94
PACKAGE DIAGRAM
DM042.B
FL: 28 PIN QFN PLASTIC PACKAGE 4 X 4 X 0.75 mm BODY, 0.45 mm LEAD PITCH
INDEX AREA
(D/2 X E/2)
TOP VIEW
D
E
4
NOTES:
1. DIMENSION b APPLIES TO METALLIZED TERMINAL AND IS MEASURED BETWEEN 0.15 mm AND 0.30 mm FROM TERMINAL TIP.
2. FALLS WITHIN JEDEC, MO-220.
3. ALL DIMENSIONS ARE IN MILLIMETRES.
4. THE TERMINAL #1 IDENTIFIER AND TERMINAL NUMBERING CONVENTION SHALL CONFORM TO JEDEC 95-1 SPP-002.
5. COPLANARITY APPLIES TO THE EXPOSED HEAT SINK SLUG AS WELL AS THE TERMINALS.
6. REFER TO APPLICATIONS NOTE WAN_0118 FOR FURTHER INFORMATION REGARDING PCB FOOTPRINTS AND QFN PACKAGE SOLDERING.
7. DEPENDING ON THE METHOD OF LEAD TERMINATION AT THE EDGE OF THE PACKAGE, PULL BACK (L1) MAY BE PRESENT.
8. THIS DRAWING IS SUBJECT TO CHANGE WITHOUT NOTICE.
Dimensions (mm)
Symbols
MIN
NOM
MAX
NOTE
A
A1
A3
0.70
0.75
0.80
0.05
0.02
0
0.203 REF
b
D
D2
E
E2
e
G
0.185
0.175
4.00
2.65
2.6
2.55
0.45 BSC
0.375
0.425
0.475
2
2
4.00
2.65
2.6
2.55
0.10
aaa
bbb
ccc
REF:
0.15
0.10
JEDEC, MO-220
Tolerances of Form and Position
0.18
DETAIL 1
DETAIL 2
A
7
1
15
21
28
22
14
e
D2
8
1
B
C
bbbM
A
BOTTOM VIEW
C
aaa
2 X
C
aaa
2 X
1
C
A3
SEATING PLANE
DETAIL 2
A1
C
0.08
C
ccc
A
5
SIDE VIEW
L
EXPOSED
GROUND
PADDLE
6
DETAIL 1
0.30mm
45
degrees
EXPOSED
GROUND
PADDLE
e
Datum
DETAIL 2
Terminal
tip
e/2
R
E2
SEE DETAIL 2
A3
b
Exposed lead
0.226 Ref.
3.95
4.05
3.95
4.05
G
L
0.560
b



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