MC PCI-DAS1602 Manuel d'utilisateur télécharger pdf (Page 43)

Crosstalk

Crosstalk is defined here as the influence of one channel upon another when scanning two channels at the specified

per channel rate for a total of 50000 samples. A full scale 100Hz triangle wave is input on Channel 1. Channel 0

is tied to Analog Ground at the 100 pin user connector. The table below summarizes the influence of Channel 1

on Channel 0 and does not include the effects of noise.

16330V to +1.250V

16420V to +2.500V

16520V to +5.000V

23840V to +10.000V

1443±1.250V

1652±2.500V

1872±5.000V

24134±10.000V

50 kHz Crosstalk

(LSB

pk-pk

)

10 kHz Crosstalk

(LSB

pk-pk

)

1 kHz Crosstalk

(LSB

pk-pk

)

RangeCrosstalk

Analog Output Section

0V ± 10mVOutput voltage on power up and reset

Offset Binary

• Bipolar Mode:

0 code = Vref

4095 code = -Vref – 1LSB, Vref < 0V

-Vref + 1LSB, Vref >0V

• Unipolar Mode:

0 code = 0V,

4095 code = -Vref – 1LSB, Vref < 0V

-Vref + 1LSB, Vref >0V

Coding

Any passive loadOutput Stability

0.1 ohms maxOutput impedance

DCOutput coupling

Indefinite @25mAOutput short-circuit duration

±5 mA minCurrent Drive

30uS max to ±½ LSB for a 20V step Settling Time

2.0V/µs minSlew Rate

Guaranteed monotonic over temperature Monotonicity

System dependent. Using the Universal Library programmed output

function (cbAout) in a loop, in Visual Basic, a typical update rate of

400Khz can be expected on a 300MHz Pentium II based PC.

Throughput

Programmed I/OData transfer

10KOhm minExternal Reference Input Impedance

±10V maxExternal Reference Voltage Range

External

Independent (D/A0 pin 10 and D/A1 pin 26)

On Board, -10V and –5VReference Voltage (jumper

selectable)

±10V, ±5V, 0 to 10V, or 0 to 5V using onboard references, or user

defined using external reference

Output Range

(jumper selectable per output)

Single-ended Voltage OutputChannel Type

2Number of channels

12 bitsResolution

MX7548D/A converter type

1 2 ... 38 39 40 41 42 43 44 45 46 47 48 49 50

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MC PCI-DAS1602 Manuel d'utilisateur Page 43

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