Measurement Computing USB-1208HS-2AO User Manual page 17

USB-1208HS-2AO User's Guide
Range
±20 V (DIFF mode)
±10 V (DIFF mode)
±5 V (DIFF mode)
±10 V (SE mode)
±5 V (SE mode)
±2.5 V (SE mode)
0 – 10 V (SE mode)
Table 3 summarizes the noise performance for the USB-1208HS-2AO. Noise distribution is determined by
gathering 50 kS with inputs tied to ground at the user connector. Samples are gathered at the maximum
specified sample rate of 1 MS/s.
Range
±20 V (DIFF mode)
±10 V (DIFF mode)
±5 V (DIFF mode)
±10 V (SE mode)
±5 V (SE mode)
±2.5 V (SE mode)
0 – 10 V (SE mode)
Condition
+ full-scale to –full-scale
channel switch, same range
to same range
Table 2. Calibrated absolute accuracy
Accuracy (mV)
±9.55 typ, ±13.18 max
±4.59 typ, ±6.23 max
±2.25 typ, ±2.75 max
±5.10 typ, ±8.06 max
±2.63 typ, ±4.03 max
±1.59 typ, ±2.70 max
±3.29 typ, ±5.13 max
Table 3. Noise performance
Typical counts LSBrms
3 0.45
3 0.45
3 0.45
5 0.91
5 0.91
5 0.91
5 0.91
Table 4. Input settling time in µs, typical
Range ±1 LSB
±10 V 1.5
±5 V 2.1
±2.5 V 2.2
0 V to 10 V 2.6
17
±4 LSB ±8 LSB
1.1 1.0
1.1 1.0
1.1 1.0
1.1 1.0
Specifications