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CP2102N Datasheet, PDF (12/44 Pages) Silicon Laboratories – USBXpress Family | |||
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3.1.8 USB Transceiver
CP2102N Data Sheet
Electrical Specifications
Table 3.8. USB Transceiver
Parameter
Symbol Test Condition
Transmitter
Output High Voltage
VOH
VDD ⥠3.0V
Output Low Voltage
VOL
VDD ⥠3.0V
Output Crossover Point
VCRS
Output Impedance
ZDRV
Driving High
Driving Low
Pull-up Resistance
RPU
Full Speed (D+ Pull-up)
Output Rise Time
TR
Full Speed
Output Fall Time
TF
Full Speed
Receiver
Differential Input
Sensitivity
VDI
| (D+) - (D-) |
Differential Input Common Mode VCM
Range
Input Leakage Current
IL
Pullups Disabled
Refer to the USB Specification for timing diagrams and symbol definitions.
Min
Typ
Max
Unit
2.8
â
â
V
â
â
0.8
V
1.3
â
2.0
V
28
36
44
Ω
28
36
44
1.425
1.5
1.575
kΩ
4
â
20
ns
4
â
20
ns
0.2
â
â
V
0.8
â
2.5
V
â
<1.0
â
μA
3.2 Thermal Conditions
Table 3.9. Thermal Conditions
Parameter
Symbol
Test Condition
Min
Typ
Thermal Resistance
θJA QFN20 Packages
QFN24 Packages
â
60
â
30
QFN28 Packages
â
26
Note:
1. Thermal resistance assumes a multi-layer PCB with any exposed pad soldered to a PCB pad.
Max
Unit
â
°C/W
â
°C/W
â
°C/W
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