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
µ
s
10
µ
s
50
µ
s
1 ms
Hold mode
settling time
1
µ
s
1
µ
s
1
µ
s
2
µ
s
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)
µ
V/
°
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
