Data Sheet

LWB5+
Datasheet
https://www.lairdconnect.com/ 27
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Symbol Parameter Min. Typ. Max. Unit
T
LRFM
Rise and fall time matching 80.0 - 125.0 %
T
UDJ1
Source jitter total: to next transition
*Including frequency tolerance. Timing difference between the
differential data signals.
*Defined at crossover point of differential signals
-95
-
95
ns
T
UDJ2
Source jitter total: for paired transitions
*Including frequency tolerance. Timing difference between the
differential data signals.
*Defined at crossover point of differential signals
-150
-
150
ns
Receiver Specifications
VIH Input signal ended high 2.0 - - V
VIL Input signal ended low - - 0.8 V
V
DI
Differential input sensitivity 0.2 - - V
10.2.2 USBFSDriverandReceiverParameters
Notes: Over full range of values specified in the Recommended Operating Conditions unless otherwise specified.
The load is 100Ω differential for these parameters, unless other specified.
Table 25: USB FS driver and receiver specifications
Symbol Parameter Min. Typ. Max. Unit
BR Baud rate - 12.0 - Mbps
BR
PPM
Baud rate tolerance -2500 - 2500 ppm
Driver Specifications
VOH
Output signal ended high
Defined with 1.425KΩ pull-up resistor to 3.6V
2.8 - 3.6 V
VOL
Output signal ended low
Defined with 1.425KΩ pull-up resistor to ground
0.0 - 0.3 V
V
CRS
Output signal crossover voltage 1.3 2.0 V
T
FR
Output raise time
Defined from 10% to 90% for raise time and 90% to 10% for
fall time
-4.0 - 20.0 ns
T
FL
Output fall time
Defined from 10% to 90% for raise time and 90% to 10% for
fall time
-4.0 - 20.0 ns
T
DJ1
Source jitter total: to next transition
*Including frequency tolerance. Timing difference between
the differential data signals.
*Defined at crossover point of differential signals
-3.5
-
3.5
ns