Measurement-computing PCI-DAS6402/16 Manuel d'utilisateur télécharger pdf (Page 25)

PCI-DAS6402/16 User's Guide Specifications

Noise performance

Table 7

Table 7. Board noise performance

below summarizes the noise performance for the PCI-DAS6402/16. Noise distribution is determined by

gathering 50K samples with inputs tied to ground at the user connector.

Range Standard

Deviation

% within ±2

counts

% within ±1

count

MaxCounts LSBrms*

±10.00 V 0.8 98% 78% 9 1.4

±5.000 V 0.8 98% 78% 9 1.4

±2.500 V 0.8 98% 78% 9 1.4

±1.250 V 0.9 97% 73% 10 1.5

0 to +10.00 V 0.9 97% 73% 10 1.5

0 to +5.000 V 0.9 97% 73% 10 1.5

0 to +2.500 V 0.9 97% 73% 10 1.5

0 to +1.250 V 1.0 95% 68% 11 1.7

* RMS noise is defined as the peak-to-peak bin spread divided by 6.6

Analog output

Table 8. Analog output specifications

A/D converter type AD669BR

Resolution 16-bits

Number of Channels 2

Voltage ranges ±10 V, ±5 V, 0 to 10 V, 0 to 5 V. Each channel independently programmable.

Monotonicity Guaranteed monotonic over temperature

Analog output full-scale gain drift ±0.55 LSB/°C

Analog output zero drift 10 V ranges: ±0.25 LSB/°C; 5 V ranges: ±0.45 LSB/°C

Overall analog output drift 10 V ranges: ±0.8 LSB/°C; 5 V ranges: ±1.0 LSB/°C

Slew rate 10 V Ranges: 5 V/µs; 5 V ranges: 2.5 V/µs;

Settling time 20 V step to .0008%:13 µs max; 10 V step to .0008%:6 µs typ

Current drive ±15 mA

Output short-circuit duration Indefinite @ 25 mA

Output coupling DC

Output impedance 0.1 ohms

Power up and reset DACs cleared to 0 volts ±75 mV max

Accuracy

Table 9. Absolute accuracy specifications

Range Absolute accuracy

±10.000 V ±4.0 LSB

±5.000 V ±4.0 LSB

0 to +10.000 V ±4.0 LSB

0 to +5.000 V ±4.0 LSB

5-4

1 2 ... 20 21 22 23 24 25 26 27 28 29 30 ... 33 34

Commentaires sur ces manuels

Pas de commentaire

Measurement-computing PCI-DAS6402/16 Manuel d'utilisateur Page 25

Commentaires sur ces manuels

Produits connexes et manuels pour Matériel Measurement-computing PCI-DAS6402/16