Omega Engineering PCI-DAS1200 manual Electrical Specifications

8.0 Electrical Specifications

(Typical specifications for 25 Deg C unless otherwise specified.)

ANALOG INPUT SECTION
Resolution	12 bits
Programmable ranges	±10 V, ±5 V, ±2.5 V, ±1.25 V, 0 to 10 V, 0 - 5 V, 0 to 2.5 V, 0 to
	1.25V
A/D pacing	Programmable: internal counter or external source (A/D External
	Pacer) or software polled
Burstmode	Software selectable option, rate = 3 µs
A/D Trigger sources	External digital (A/D External Trigger)
A/D Triggering Modes
Digital:	Software enabled, rising edge, hardware trigger
Pre-trigger:	Unlimited pre- and post-trigger samples. Total # of samples must
	be > 512.
Data transfer	From 1024 sample FIFO via REPINSW, interrupt or software
	polled
Polarity	Unipolar/Bipolar, software selectable
Number of channels	8 differential or 16 single-ended, software selectable
A/D conversion time	3 µs
Throughput	330 kHz min
Relative Accuracy	±1.5 LSB
Differential Linearity error	±0.75 LSB
Integral Linearity error	±0.5 LSB typ, ±1.5 LSB max
Gain Error (relative to calibration reference) ± 0.02% of reading max
No missing codes guaranteed	12 bits
Gain drift (A/D specs)	±6 ppm/°C
Zero drift (A/D specs)	±1 ppm/°C
Common Mode Range	±10 V
CMRR @ 60 Hz	70 dB
Input leakage current	200 nA
Input impedance	10 megohms min
Absolute maximum input voltage	±35 V

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