Analog Input Specifications - Measurement Computing Data Translation DT3034 User Manual

Appendix A

Analog Input Specifications

Table 23
Number of analog input channels
Single-ended/ pseudo-differential:
Differential:
Number of gains
Resolution
Data encoding
Bipolar:
Unipolar:
System accuracy
(full-scale)
Gain = 1:
Gain = 2:
Gain = 4:
Gain = 8:
Nonlinearity (integral)
Differential linearity
Range
Bipolar:
Unipolar:
Drift
Zero:
Gain:
Input impedance
Off:
On (Differential):
On (Single-ended):
Input bias current
Common mode voltage
Maximum input voltage
A/D converter noise
Amplifier input noise
Channel-to-channel offset
Channel acquisition time, typical
A/D conversion time
142
lists the specifications for the A/D subsystem on the DT3034 board.
Table 23: A/D Subsystem Specifications
Feature
a
DT3034 Specifications
32
16
4 (1, 2, 4, 8)
16 bits
Offset binary
Binary
0.01%
0.02%
0.02%
0.03%
±2.0 LSB
±0.75 LSB (no missing codes)
±10 V
0 to 10 V
±20V + (+10 V * Gain)/C
±25 ppm/C
100 M10 pF
100 M 100 pF
100 M 200 pF
±20 nA
±11 V maximum (operational)
±20 V maximum (protection)
0.5 LSB rms
15.0 V rms + (20 V rms * gain)
20.0 pA rms (current)
±30.0 V
1 s to 0.01%
2.0 s