Measurement-computing PCI-DAS6023 Bedienungsanleitung PDF herunterladen (Seite 34)

PCI-DAS6023 and PCI-DAS6025 User's Guide Specifications

Analog outputs (PCI-DAS6025 only)

Table 9. Analog output specifications (PCI-DAS6025)

D/A converter type

Double-buffered, multiplying

Resolution

12-bits, 1-in-4096

Number of channels

2 voltage output

Voltage range

±10 V

Monotonicity

12-bits, guaranteed monotonic

DNL

±1.0 LSB max

Slew rate

10 V/µs min

Settling time

20 V step to 0.012% (0.5 LSB): 10 µs max

Noise

200 µVrms, DC to 1 MHz BW

Glitch energy

±24 mV @ 2 µs duration measured at mid-scale transition.

Current drive

±5 mA

Output short-circuit duration

Indefinite @25 mA

Output coupling

Output impedance

0.1 ohms max

Power up and reset

DACs cleared to 0 volts ±200 mV max

Table 10. Absolute accuracy specifications

Range

Absolute Accuracy

±10 V

±1.7 LSB

Table 11. Absolute accuracy components

Range

% of Reading

Offset

(mV)

Temp Drift

(%/DegC)

Absolute Accuracy at FS (mV)

±10 V

±0.0219

±5.93

±0.0005

±8.127

Each PCI-DAS6025 is tested at the factory to assure the board’s overall error does not exceed ±1.7 LSB.

Table 12. Relative accuracy specifications

Range

Relative Accuracy

±10 V

±0.3 LSB, typical

±0.5 LSB, max

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

of the transfer function.

1 2 ... 29 30 31 32 33 34 35 36 37 38 39 ... 43 44

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