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Table 4-1 shows the input ranges and resolutions supported by each MIO X Series device.
Table 4-1. MIO X Series Device Input Range and Nominal Resolution
MIO X Series Device
NI 632x/6341/6343
NI 6345/6351/6353/6355/
6361/6363/6365/6375
Working Voltage Range
On most MIO X Series devices, the PGIA operates normally by amplifying signals of interest
while rejecting common-mode signals under the following three conditions:
•
The common-mode voltage (V cm), which is equivalent to subtracting AI <0..x> GND
from AI <0..x>-, must be less than ±10 V. This Vcm is a constant for all range selections.
•
The signal voltage (Vs), which is equivalent to subtracting AI <0..x>+ from AI <0..x>-,
must be less than or equal to the range selection of the given channel. If Vs is greater than
the range selected, the signal clips and information are lost.
•
The total working voltage of the positive input, which is equivalent to (Vcm + Vs), or
subtracting AI GND from AI <0..x>+, must be less than ±11 V.
If any of these conditions are exceeded, the input voltage is clamped until the fault condition is
removed.
Input Range
-10 V to 10 V
-5 V to 5 V
-1 V to 1 V
-200 mV to 200 mV
-10 V to 10 V
-5 V to 5 V
-2 V to 2 V
-1 V to 1 V
-500 mV to 500 mV
-200 mV to 200 mV
-100 mV to 100 mV
X Series User Manual
Nominal Resolution
Assuming 5% Over Range
320 μV
160 μV
32 μV
6.4 μV
320 μV
160 μV
64 μV
32 μV
16 μV
6.4 μV
3.2 μV
© National Instruments | 4-3
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