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WM8955BLGECO/V bảng dữ liệu(PDF) 43 Page - Wolfson Microelectronics plc

tên linh kiện WM8955BLGECO/V
Giải thích chi tiết về linh kiện  Stereo DAC For Portable Audio Applications
PDF  44 Pages
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nhà sản xuất  WOLFSON [Wolfson Microelectronics plc]
Trang chủ  http://www.wolfsonmicro.com
Logo WOLFSON - Wolfson Microelectronics plc

WM8955BLGECO/V bảng dữ liệu(HTML) 43 Page - Wolfson Microelectronics plc

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Production Data
WM8955BL
w
PD Rev 4.1 February 2007
43
PACKAGE DIMENSIONS
DM043.F
FL: 28 PIN COL 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, VARIATION VGGD-2.
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.
DETAIL 1
A
7
1
15
21
28
22
14
e
8
1
B
C
bbb M
A
BOTTOM VIEW
C
aaa
2 X
C
aaa
2 X
C
A3
SEATING PLANE
DETAIL 2
A1
C
0.08
C
ccc
A
5
SIDE VIEW
L
DETAIL 1
e
Datum
DETAIL 2
Terminal
tip
e/2
R
SEE DETAIL 2
b
A3
G
T
H
W
Exposed lead
DETAIL 2
L1
Dimensions (mm)
Symbols
MIN
NOM
MAX
NOTE
A
A1
A3
0.725
0.75
0.775
0.05
0.02
0
0.203 REF
b
D
E
e
L
0.28
0.18
4.00
0.45 BSC
0.40 REF
4.00
0.10
aaa
bbb
ccc
REF:
0.15
0.10
JEDEC, MO-220
Tolerances of Form and Position
0.23
H
0.100 REF
0.535 REF
G
T
0.100 REF
W
0.230 REF
1
L1
0.05 REF
7
3.95
4.05
3.95
4.05
PIN 1
IDENTIFICATION
0.150MM SQUARE
0.275MM
0.275MM
b



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