WM8739 데이터 시트보기 (PDF) - Wolfson Microelectronics plc
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WM8739 Datasheet PDF : 35 Pages
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WM8739
PACKAGE DIMENSIONS (QFN)
Advanced Information
FL: 28 PIN QFN PLASTIC PACKAGE 5 X 5 X 1 mm BODY, 0.50 mm LEAD PITCH
D2
B
D2/2
22
27 28
INDEX AREA
L
(D/2 X E/2)
TOP VIEW
D
21
1
2
E2/2
A
A E2
DM023.B
E
15
14 13
e
B
ccc C
A
0.08 C
A1
7
SEE DETAIL B
8b
ccc M C A B
2X
aaa C
2X
aaa C
(A3)
SEATING PLANE
C
DETAIL B
DATUM
R
e
TERMINAL TIP
1
Symbols
A
A1
A3
b
D
D2
E
E2
e
L
R
aaa
ccc
REF:
Dimensions (mm)
MIN
NOM
MAX
0.80
0.90
1.00
0
0.02
0.05
0.2 REF
0.18
0.23
0.30
5.00 BSC
3.2
3.3
3.4
5.00 BSC
3.2
3.3
3.4
0.5 BSC
0.35
0.4
0.45
b(min)/2
Tolerances of Form and Position
0.15
0.10
JEDEC.95, MO-220, VARIATION VHHD-1
NOTE
2
1
2
2
NOTES:
1. DIMENSION b APPLIED TO METALLIZED TERMINAL AND IS MEASURED BETWEEN 0.25 mm AND 0.30 mm FROM TERMINAL TIP.
2. FALLS WITHIN JEDEC.95, MO-220 WITH THE EXCEPTION OF D2, E2, A3:
D2,E2: LARGER PAD SIZE CHOSEN WHICH IS JUST OUTSIDE JEDEC SPECIFICATION
A3: NOMINAL VALUE LESS THAN JEDEC
3. ALL DIMENSIONS ARE IN MILLIMETRES
4. THIS DRAWING IS SUBJECT TO CHANGE WITHOUT NOTICE.
AI Rev 2.2 September 2001
34
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