Measurement-computing PCI-DAS1602/16 Manual do Utilizador descarregar pdf (Página 21)

Chapter 5

Specifications

Typical for 25 °C unless otherwise specified.

Specifications in italic text are guaranteed by design.

All specifications are subject to change without notice.

Analog input

Table 1. Analog input specifications

A/D converter type

AD976ABN

Resolution

16 bits

Number of channels

16 single-ended / 8 differential, software selectable

Input ranges, software

selectable

±10 V, ±5 V, ±2.5 V, ±1.25 V

0 to 10 V, 0 to 5 V, 0 to 2.5 V, 0 to 1.25 V

Polarity

Unipolar/bipolar, software selectable

A/D pacing

(software programmable)

Internal counter - 82C54.

External source (A/D EXTERNAL PACER)

Software polled

Burst mode

Software selectable option, rate = 5 µs

A/D trigger sources

External digital (A/D EXTERNAL TRIGGER)

External analog (ANALOG TRIGGER IN)

A/D triggering modes

External digital: Software configurable for:

 Edge (triggered)

 Level-activated (gated)

 Programmable polarity (rising/falling edge trigger, high/low gate)

External analog: software-configurable for:

 Positive or negative slope.

 Above or below reference

 Positive or negative hysteresis

 In or out of window

Trigger levels set by DAC0 and/or DAC1, 4.88 mV resolution.

Unlimited pre- and post-trigger samples. Total # of samples must be > 256. Compatible

with both Digital and Analog trigger options.

Data transfer

From 512 sample FIFO via interrupt w/ REPINSW

Interrupt

Software polled

A/D conversion time

5 µs max

Throughput

200 kHz

Calibration

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

Common mode range

±10 V min

CMRR @ 60 Hz

-70 dB

Input leakage current

±200 nA max

Input impedance

10 MΩ min

Absolute maximum input

voltage

±15 V

1 2 ... 16 17 18 19 20 21 22 23 24 25 26 ... 30 31

Comentários a estes Manuais

Sem comentários

Measurement-computing PCI-DAS1602/16 Manual do Utilizador Página 21

Comentários a estes Manuais

Manuais e produtos relacionados com Hardware Measurement-computing PCI-DAS1602/16