M10-DATASHEET
2015.05.04
10
OCT Variation after Calibration at Device Power-Up
The definitions for equation are as follows:
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T1 is the initial temperature.
T2 is the final temperature.
MF is multiplication factor.
Rinitial is initial resistance.
Rfinal is final resistance.
Subscript x refers to both V and T.
∆RV is variation of resistance with voltage.
∆RT is variation of resistance with temperature.
dR/dT is the change percentage of resistance with temperature after calibration at device power-up.
dR/dV is the change percentage of resistance with voltage after calibration at device power-up.
V1 is the initial voltage.
V2 is final voltage.
The following figure shows the example to calculate the change of 50 Ω I/O impedance from 25°C at 3.0 V to 85°C at 3.15 V.
Figure 2: Example for OCT Resistance Calculation after Calibration at Device Power-Up
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MAX 10 FPGA Device Datasheet
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