Measurement-computing PCI-DAC6702 Manual de usuario descargar pdf (Pagina 19)

PCI-DAC6702 and PCI-DAC6703 User's Guide Specifications

Analog output calibration

Table 5. Analog I/O calibration

Recommended warm-up time

15 minutes

Calibration

Auto-calibration, calibration factors for each range stored on board in non-volatile

RAM.

Onboard calibration reference

DC Level: 10.000 V± 1 mV. Actual measured values stored in EEPROM.

Tempco: 0.6 ppm/°C max

Long-term stability: ±6 ppm/sqrt(1000 hrs)

Calibration interval

1 year

Digital input / output

Table 6. Digital I/O

Digital type

Discrete, 5 V/TTL compatible

Number of I/O

Configuration

8 bits, independently programmable for input or output. Position available for

pull-up/pull-down resistor network (not populated).

Input high voltage

2.0 V min, 7.0 V absolute max

Input low voltage

0.8 V max, –0.5 V absolute min

Output high voltage

(IOH = –32 mA)

3.80 V min, 4.20 V typ

Output low voltage

(IOL = 32 mA)

0.55 V max, 0.22 V typ

Data transfer

Programmed I/O

Power-up / reset state

Input mode (high impedance)

Power consumption

Table 7. Power consumption specifications

+5 V

PCI-DAC6703: 1.1 A max

PCI-DAC6702: 1.0 A max

+5 V available at I/O connector

0.75A max, protected with a resettable fuse

Environmental

Table 8. Environmental specifications

Operating temperature range

0 to 55 °C

Storage temperature range

-20 to 70 °C

Humidity

0 to 90% non-condensing

Mechanical

Table 9. Mechanical specifications

Card dimensions

PCI half card: 174.4 mm (L) x 106.9 mm (W) x18.4 mm (H)

Form factor

Universal PCI keying. Compatible with either 3.3 V or 5 V PCI signaling

environments.

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