Package Dimensions; Thermal Characteristics - Cirrus Logic CS42518-CQZ Instructions Manual

9 PACKAGE DIMENSIONS

DIM MIN
A
A1 0.002
B 0.007
D 0.461
D1 0.390
E 0.461
E1 0.390
e* 0.016
L 0.018
∝
0.000°
* Nominal pin pitch is 0.50 mm
Controlling dimension is mm.
JEDEC Designation: MS026

THERMAL CHARACTERISTICS

Allowable Junction Temperature
Junction to Ambient Thermal Impedance
64L LQFP PACKAGE DRAWING
D D1
1
e
∝
L
INCHES
NOM
--- 0.55
0.004
0.008
0.472 BSC
0.393 BSC
0.472 BSC
0.393 BSC
0.020 BSC
0.024
4°
Parameter
E
E1
B
A1
MAX MIN
0.063 ---
0.006 0.05
0.011 0.17
0.484 11.70
0.398 9.90
0.484 11.70
0.398 9.90
0.024 0.40
0.030 0.45
7.000° 0.00°
Symbol
θ
JA
CS42518
A
MILLIMETERS
NOM
1.40
0.10
0.20
12.0 BSC
10.0 BSC
12.0 BSC
10.0 BSC
0.50 BSC
0.60
4°
Min Typ Max
- - +135
- 48 -
MAX
1.60
0.15
0.27
12.30
10.10
12.30
10.10
0.60
0.75
7.00°
Units
°C
°C/Watt
73