WM8734 ETC-unknow, WM8734 Datasheet - Page 40

• Manufacturer Part Number: WM8734
• Description: Stereo Audio Codec
• Manufacturer: ETC-unknow

WM8734
PACKAGE DIMENSIONS (QFN)
w
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:
3. ALL DIMENSIONS ARE IN MILLIMETRES
4. THIS DRAWING IS SUBJECT TO CHANGE WITHOUT NOTICE.
FL: 28 PIN QFN PLASTIC PACKAGE 5
D2,E2: LARGER PAD SIZE CHOSEN WHICH IS JUST OUTSIDE JEDEC SPECIFICATION
A3:
Symbols
REF:
ccc
A
A1
A3
b
D
D2
E
E2
e
L
R
aaa
ccc
0.08
NOMINAL VALUE LESS THAN JEDEC
C
C
A
A1
JEDEC.95, MO-220, VARIATION VHHD-1
A
21
15
Tolerances of Form and Position
MIN
0.80
0
0.18
0.35
b(min)/2
3.2
3.2
22
14
e
13
5.00 BSC
5.00 BSC
0.2 REF
0.5 BSC
0.02
Dimensions (mm)
NOM
0.90
0.23
0.15
0.10
3.3
3.3
0.4
D2
B
B
D2/2
27
X
28
8
5
X
MAX
1.00
0.05
0.30
0.45
3.4
3.4
b
0.9 mm BODY, 0.50 mm LEAD PITCH
ccc
1
2
7
M
L
(A3)
E2/2
A
C
C
SEE DETAIL B
A
SEATING PLANE
E2
B
NOTE
INDEX AREA
(D/2 X E/2)
2
2
1
2
2 X
2 X
aaa
aaa
C
C
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R
DETAIL B
TOP VIEW
e
D
DATUM
TERMINAL TIP
1
AI Rev 2.2 November 2001
DM023.C
Advanced Information
E
40