wm8952 Wolfson Microelectronics plc, wm8952 Datasheet - Page 70

• Manufacturer Part Number: wm8952
• Description: Mono Adc With Microphone Pre-amplifier
• Manufacturer: Wolfson Microelectronics plc

WM8952
w
FL: 24 PIN QFN PLASTIC PACKAGE 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. THIS DRAWING IS SUBJECT TO CHANGE WITHOUT NOTICE.
A3
SEATING PLANE
C
Symbols
A
REF:
bbb
13
aaa
ccc
18
A1
A3
D2
W
E2
G
T
A
D
E
H
b
e
L
A3
19
12
Exposed lead
e
BOTTOM VIEW
Tolerances of Form and Position
MIN
0.80
0.18
2.65
2.65
0.30
SIDE VIEW
b
JEDEC, MO-220, VARIATION VGGD-2.
EXPOSED
GROUND
PADDLE
0
D2
6
H
Half etch tie bar
0.20 REF
4.00 BSC
4.00 BSC
0.50 BSC
7
0.213
24
NOM
0.10
0.90
0.02
0.25
2.70
2.70
0.40
0.15
0.10
0.1
0.1
0.2
W
b
1
6
1
bbb
Dimensions (mm)
DETAIL 2
DETAIL 2
T
A1
M
G
X
A
C
E2
DETAIL 1
4
A
SEE DETAIL 2
X
B
MAX
0.50
1.00
0.05
0.30
2.75
2.75
0.9 mm BODY, 0.50 mm LEAD PITCH
ccc
0.08
C
C
5
NOTE
1
2
2
2 X
4
DETAIL 1
2 X
INDEX AREA
(D/2 X E/2)
aaa
0.32mm
aaa
C
EXPOSED
GROUND
PADDLE
C
45
degrees
TOP VIEW
D
DETAIL 2
Datum
R
L
E
DM035.E
e
Terminal
Tip
e/2
PP, Rev 3.0, December 2008
Pre Production
70