CS42888 查看數據表（PDF） - Cirrus Logic
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CS42888 Datasheet PDF : 61 Pages
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12.PACKAGE INFORMATION
64L LQFP PACKAGE DRAWING
E
E1
CS42888
D D1
1
e
B
∝
A
A1
L
INCHES
DIM
MIN
NOM
MAX
MIN
A
---
0.55
0.063
---
A1
0.002
0.004
0.006
0.05
B
0.007
0.008
0.011
0.17
D
0.461
0.472 BSC
0.484
11.70
D1
0.390
0.393 BSC
0.398
9.90
E
0.461
0.472 BSC
0.484
11.70
E1
0.390
0.393 BSC
0.398
9.90
e*
0.016
0.020 BSC
0.024
0.40
L
0.018
0.024
0.030
0.45
∝
0.000°
4°
7.000°
0.00°
* Nominal pin pitch is 0.50 mm
Controlling dimension is mm.
JEDEC Designation: MS026
12.1 Thermal Characteristics
Parameter
Junction to Ambient Thermal Impedance
2 Layer Board
4 Layer Board
Symbol
qJA
θJA
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°
MAX
1.60
0.15
0.27
12.30
10.10
12.30
10.10
0.60
0.75
7.00°
Min Typ Max Units
-
50
- °C/Watt
-
37
- °C/Watt
60
DS717F1
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