Appendix A Specifications
© National Instruments Corporation A-3 SC-2040 User Manual
S/H Characteristics
Measurement 0.012% 0.003% 0.0015% 0.00076%
Track mode
acquisition
time
7 µs 10 µs 50 µs 1 ms
Hold mode
settling time 1 µs1 µs1 µs2 µs
Hold step -5 mV — — —
Droop rate ±10 mV/s — — —
Aperture time 250 ns — — —
Interchannel
skew ±50 ns — — —
Stability
Recommended warm-up time 15 min
Offset temperature coefficient ±(10 + 150/gain) µV/°C
Gain temperature coefficient Gain
(DIP-switch-
selectable)
Max
Gain Tempco
1 ±25 ppm/°C
10 ±25 ppm/°C
100 ±45 ppm/°C
200 ±60 ppm/°C
300 ±80 ppm/°C
500 ±100 ppm/°C
600 ±120 ppm/°C
700 ±150 ppm/°C
800 ±200 ppm/°C
Power Requirement
+5 VDC (±10 %) 800 mA
Total power dissipation 4 W
Physical
Dimensions 1.8 by 7.9 by 4.9 in. (4.6 by 20.1 by 12.4 cm)
I/O connectors
Input 20-screw terminals
Output 50-pin male ribbon-cable rear connector
68-pin male ribbon-cable rear connector
Environment
Operating temperature 0° to 50° C
Storage temperature -55° to 150° C
Relative humidity 5% to 90% noncondensing