5/8

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Bipolar

5.5%

Overvoltage protection

±30 V Ch-to-COM max

Sample rate

R Series Expansion chassis

192 kS/s max

All other chassis

200 kS/s max

Conversion time

R Series Expansion chassis

5.2 μs min

All other chassis

5 μs min

Unipolar accuracy

Measurement Conditions

Percent of Reading (Gain Error) Percent of Range (Offset Error)

1

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 (Offset Error)

2

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.