Package dimensions, Thermal characteristics – Cirrus Logic CS42L55 User Manual
Page 72
72
DS773F1
CS42L55
11.PACKAGE DIMENSIONS
(Unless otherwise specified, linear tolerance is ±0.05 mm, and angular tolerance is ±2 deg.)
1.
Controlling dimensions are in millimeters.
2.
Unless otherwise specified tolerance: Linear ±0.05 mm, Angular ±2 deg.
3.
Dimensioning and tolerances per ASME Y 14.5M-1994.
4.
Dimension lead width applies to the plated terminal and is measured 0.15 mm and 0.30 mm from the
terminal tip.
THERMAL CHARACTERISTICS
INCHES
MILLIMETERS
NOTE
Dim
MIN
NOM
MAX
MIN
NOM
MAX
A
0.01773
0.0197
0.45
-
0.50
A1
0.00000
0.00197
0.00
-
0.05
b
0.00591
0.00788
0.00985
0.15
0.20
0.25
e
0.01576
0.40 REF
D
0.19503
0.1970
0.19897
4.95
5.00
5.05
E
0.19503
0.1970
0.19897
4.95
5.00
5.05
D2
0.13593
0.1379
0.13987
3.45
3.50
3.55
E2
0.13593
0.1379
0.13987
3.45
3.50
3.55
L
0.01379
0.1576
0.01773
0.35
0.40
0.45
P1
0.00985
0.01182
0.01379
0.25
0.30
0.35
P2
0.00985
0.01182
0.01379
0.25
0.30
0.35
JEDEC #: MO-220
Controlling Dimension is Millimeters.
Parameter
Symbol
Min
Typ
Max
Units
Junction to Ambient Thermal Impedance
2 Layer Board
4 Layer Board
θ
JA
θ
JA
-
-
68
28
-
-
°C/Watt
°C/Watt
PIN #1
CORNER
L
A
A1
e
b
D2
E2
P1
P1
E
D
1
.50 RE
F
1.50 REF
P2
Pin #1 IDENTIFIER
LASER MARKING
P2
36L QFN (5 X 5 mm BODY) PACKAGE DRAWING