CS4245-CQZR Cirrus Logic Inc, CS4245-CQZR Datasheet - Page 56

• Manufacturer Part Number: CS4245-CQZR
• Description: IC,Soundcard Circuits,QFP,48PIN,PLASTIC
• Manufacturer: Cirrus Logic Inc

56
10.PACKAGE DIMENSIONS
11.THERMAL CHARACTERISTICS AND SPECIFICATIONS
* Nominal pin pitch is 0.50 mm
Package Thermal Resistance
Allowable Junction Temperature
DIM
A1
D1
E1
e*
∝
D
A
B
E
L
1. θ
JA
is specified according to JEDEC specifications for multi-layer PCBs.
0.000°
0.002
0.007
0.343
0.272
0.343
0.272
0.016
0.018
MIN
---
Parameters
(Note 1)
D
D1
48L LQFP PACKAGE DRAWING
∝
INCHES
L
0.055
0.004
0.009
0.354
0.354
0.020
NOM
0.28
0.28
0.24
4°
*Controlling dimension is mm.
1
e
7.000°
0.063
0.006
0.011
0.366
0.280
0.366
0.280
0.024
0.030
48-LQFP
MAX
E1
E
B
Symbol
θ
θ
JA
JC
0.00°
0.05
0.17
8.70
6.90
8.70
6.90
0.40
0.45
MIN
---
Min
-
-
-
A1
MILLIMETERS
*JEDEC Designation: MS022
0.50 BSC
9.0 BSC
7.0 BSC
9.0 BSC
7.0 BSC
NOM
Typ
A
0.10
1.40
0.22
0.60
48
15
-
4°
Max
125
-
-
CS4245
7.00°
MAX
7.10
7.10
1.60
0.15
0.27
9.30
9.30
0.60
0.75
DS656F2
°C/Watt
°C/Watt
Units
°C