NI9203 Datasheet, PDF (5/8 Pages) National Instruments Corporation – 8 Ch, ±20 mA, 200 kS/s, 16-Bit C Series Analog Current Input Module

Bipolar
Overvoltage protection
Sample rate
R Series Expansion chassis
All other chassis
Conversion time
R Series Expansion chassis
All other chassis
5.5%
±30 V Ch-to-COM max
192 kS/s max
200 kS/s max
5.2 μs min
5 μs min
Unipolar accuracy
Measurement Conditions Percent of Reading (Gain Error) _{Percent of Range} ¹ _{(Offset Error)}
Calibrated max (–40 to 70 °C) ±0.18%
±0.06%
Calibrated typ (25 °C, ±5 °C) ±0.04%
±0.02%
Uncalibrated max (–40 to 70 °C) ±0.66%
±0.54%
Uncalibrated typ (25 °C, ±5 °C) ±0.49%
±0.46%
Bipolar accuracy
Measurement Conditions Percent of Reading (Gain Error) _{Percent of Range} ² _{(Offset Error)}
Calibrated max (–40 to 70 °C) ±0.20%
±0.09%
Calibrated typ (25 °C, ±5 °C) ±0.05%
±0.02%
Uncalibrated max (–40 to 70 °C) ±0.74%
±0.66%
Uncalibrated typ (25°C, ±5 °C) ±0.54%
±0.55%
Scaling coefficients
Unipolar
330 nA/LSB typ
Bipolar
660 nA/LSB typ
Unipolar stability
Offset drift
63 nA/°C
Gain drift
±14 ppm/°C
Bipolar stability
Offset drift
286 nA/°C
Gain drift
±17 ppm/°C
Input bandwidth (–3 dB)
850 kHz
Input impedance
Resistance
138 Ω
Capacitance
20 pF
Input noise (code-centered)
RMS
1 LSB_rms
Peak-to-peak
7 LSB
No missing codes
16 bits
INL
±3 LSB max
Crosstalk (at 1 kHz)
–100 dB
Settling time (to 2 LSB)
5 μs
MTBF
1,522,814 hours at 25 °C; Bellcore Issue 6, Method 1, Case 3, Limited Part
Stress Method
Note Contact NI for Bellcore MTBF specifications at other temperatures or for MIL-HDBK-217F specifications.
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