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Dynamic characteristics, Filter, Stability – National Instruments Module SCXI-1503 User Manual

Page 60

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Appendix A

Specifications

© National Instruments Corporation

A-3

SCXI-1503 User Manual

CMRR characteristics (DC to 60 Hz)

Gain 1.............................................. –75 dB min

–90 dB typ

Gain 100.......................................... –106 dB min

–110 dB typ

Output range........................................... ±10 V

Output impedance .................................. 91

Ω

Dynamic Characteristics

Minimum scan interval (per channel, any gain)

±0.012% accuracy........................... 3

μs

±0.0061% accuracy......................... 10

μs

±0.0015% accuracy......................... 20

μs

Noise characteristics (RTI)

Gain = 1
10 Hz to 1 MHz .............................. 100

μV

rms

Gain = 100
10 Hz to 1 MHz .............................. 1

μV

rms

0.1 to 10 Hz..................................... 0.5

μV

p-p

Filter

Cutoff frequency (–3 dB) ....................... 5 Hz

NMR (60 Hz) ......................................... –40 dB min

Step response characteristics (gain 1 or 100)

To 0.0015%..................................... 0.6 s

Stability

Recommended warm-up time ................ 20 min

Offset temperature coefficient

Gain = 1 .......................................... ±35

μV/°C max

±10

μV/°C typ

Gain = 100 ...................................... ±1.5

μV/°C max

±0.5

μV/°C typ