Measurement-computing PCI-DAS6071 Bedienungsanleitung PDF herunterladen (Seite 39)

PCI-DAS6071 User's Guide Specifications

Analog output

Table 9. AO specifications

Parameter

Specification

D/A converter type

Double-buffered, multiplying

Resolution

12-bits, 1-in-4096

Number of channels

2 voltage output

Voltage range

±10 V, 0 to 10 V, ±EXT REF., 0 to EXT REF., software selectable

Monotonicity

12-bits, guaranteed

Slew rate

20 V/µs min

Settling time (full scale step)

3.0 µS to ±0.5 LSB accuracy

Noise

200 µVrms, DC to 1MHz BW

Glitch energy

±20 mV @ 1.5 µS duration measured at mid-scale transition.

Current drive

±5 mA

Output short-circuit duration

Indefinite @ 25 mA

Output coupling

Output impedance

0.1 Ω max

Gain temperature coefficient, internal or

external reference

25 ppm/°C

Offset temperature coefficient

±50 µV/°C

Power up and reset

DACs cleared to 0 volts ±200 mV max

Table 10. Analog output absolute accuracy specifications

Range

Absolute Accuracy (LSB)

±10 V

±1.7 LSB

0 to 10 V

±2.3 LSB

Table 11. Analog output absolute accuracy components specifications

Range

% of Reading

Offset

(mV)

Temp Drift

(%/DegC)

Absolute Accuracy at

FS (mV)

±10 V

±0.0219

±5.93

±0.0005

±8.127

0 to 10 V

±0.0219

±3.49

±0.0005

±5.685

Each PCI-DAS6071 is tested at the factory to assure the board’s overall error does not exceed the limits listed in

Table 10.

Table 12. Relative accuracy specifications

Range

Relative Accuracy

All ranges

±0.3 LSB, typ

±0.5 LSB, max

Relative accuracy is defined as the measured deviation from a straight line drawn between measured endpoints

of the transfer function.

Table 13. Differential non-linearity specifications

All ranges

±0.3 LSB, typ

±1.0 LSB, max

1 2 ... 34 35 36 37 38 39 40 41 42 43 44 ... 48 49

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