Measurement Specialties PCI-DAS64/M2/16 Manuale Utente
PCI-DAS64/M2/16 User's Guide
Specifications
Noise performance
Table 8. Noise performance specifications
determined by gathering 50 K samples with inputs tied to ground at the user connector. Samples are gathered at
the maximum specified single-channel sampling rate. Specification applies to both single-ended and differential
modes of operation.
the maximum specified single-channel sampling rate. Specification applies to both single-ended and differential
modes of operation.
Range
±2 counts
±1 count
MaxCounts
LSBrms (Note 2)
± 5.000 V
60%
40%
22
3.3
± 2.500 V
60%
40%
24
3.6
± 1.250 V
60%
40%
26
3.9
± 0.625 V
45%
30%
32
4.8
0 to +5.000 V
60%
40%
24
3.6
0 to +2.500 V
60%
40%
26
3.9
0 to +1.250 V
45%
30%
32
4.8
Note 2:
RMS noise is defined as the peak-to-peak bin spread divided by 6.6.
Analog output
Table 9. Analog output specifications
Resolution 16-bits
Number of channels
Number of channels
2
Voltage range
±5 V
Monotonicity
Guaranteed monotonic over temperature
Analog output zero drift
±1.6 LSB/°C
Overall analog output drift
±4.0 LSB/°C
Slew rate
2.5 V/µs
Settling time
FS step to .0008%: 6µs max, all ranges
Current drive
±15 mA
Output short-circuit duration
Indefinite @25 mA
Output coupling
DC
Output impedance
0.1 Ω
Power up and reset
DACs cleared to 0 V±75 mV max
Accuracy
Table 10. Analog output — absolute accuracy specifications
Range Absolute
accuracy
± 5 V
±16.0 LSB
Table 11 Analog output — accuracy components specifications
Range
Gain error (LSB)
Offset error (LSB)
DLE (LSB)
ILE (LSB)
±5.0 V
±10.0 max
±5.0 max
±1.0 max
±1.0 max
Each PCI-DAS64/M2/16 is tested at the factory to assure the board’s overall error does not exceed the absolute
accuracy limits listed in
accuracy limits listed in
6-7