Chapter 5 Specifications; Analog Input - Measurement Computing PCI-DAS1602/16 User Manual

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

A/D converter type
Resolution
Number of channels
Input ranges, software
selectable
Polarity
A/D pacing
(software programmable)
Burst mode
A/D trigger sources
A/D triggering modes
Data transfer
A/D conversion time
Throughput
Calibration
Common mode range
CMRR @ 60 Hz
Input leakage current
Input impedance
Absolute maximum input
voltage
Table 1. Analog input specifications
AD976ABN
16 bits
16 single-ended / 8 differential, 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
Unipolar/bipolar, software selectable
Internal counter - 82C54.
External source (A/D EXTERNAL PACER)
Software polled
Software selectable option, rate = 5 µs
External digital (A/D EXTERNAL TRIGGER)
External analog (ANALOG TRIGGER IN)
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.
From 512 sample FIFO via interrupt w/ REPINSW
Interrupt
Software polled
5 µs max
200 kHz
Auto-calibration, calibration factors for each range stored on board in non-volatile RAM.
±10 V min
-70 dB
±200 nA max
10 MΩ min
±15 V
20
Chapter 5