Kaya Instruments Predator II CoaXPress, Руководство по аппаратным средствам и установке

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Page no. 13 | General Purpose Input Output
9.3 GPIO Output / Input
9.3.1 LVDS Inputs
IN+
IN-
Data In
100
DS90LV049
Figure 6 – LVDS inputs schematics
DC Characteristics:
Parameter Conditions Min Typical Max Units
Common mode voltage 0.05 3 V
Differential sensitivity 100 mV
Input impedance 100 Ohm
ESD protection HBM, 1.5 kΩ, 100 pF 7 kV
MM, 0 Ω, 200 pF 250 V
Table 9 – LVDS inputs DC characteristics
AC Characteristics:
Parameter Conditions Min Typical Max Units
Pulse width 50 ns
Pulse rate 0 5 MHz
10%-90% rise/fall time 0.3 1.4 ns
Table 10 – LVDS inputs DC & AC characteristics
9.3.2 LVDS Outputs
OUT+
OUT-
Data Out
DS90LV049
Figure 7 – LVDS inputs schematics
DC Characteristics:
Parameter Conditions Min Typ Max Units
Common mode voltage 1.125 1.23 1.375 V
Differential output voltage 250 350 450 mV
Output Short Circuit
Current -5.8 -9 mA
ESD protection HBM, 1.5 kΩ, 100 pF 7 kV
MM, 0 Ω, 200 pF 250 V
Table 11 – LVDS outputs DC characteristics
AC Characteristics:
Parameter Conditions Min Typ Max Units
Pulse width 50 ns
Pulse rate 0 5 MHz
10%-90% rise/fall time 0.2 0.4 1 ns
Table 12 – LVDS outputs AC characteristics