Measurement Computing CIO-DAS800 - Manual (Page 17)

6 SPECIFICATIONS
Power consumption
+5V quiescent 450 mA typical, 600 mA max
Analog input section
A/D converter type AD674A, Successive Approximation
Resolution 12 bits
Number of channels 8
Input Ranges ±5V fixed
Polarity Bipolar fixed
A/D pacing Programmable: internal counter or external source (IR Input
/ XCLK, falling edge) or software polled
A/D Trigger sources External hardware (Digital In 1 / Trig, rising edge)
Data transfer Interrupt or software polled from 256 sample FIFO buffer
Channel configuration Single-ended
DMA None
A/D conversion time 20 µs
Throughput 50 kHz
Accuracy ±0.01% of full scale ±1 LSB typ, ±0.05% of full scale ±1
LSB max
Differential Linearity error ±0.5 LSB max
Integral Linearity error ±1 LSB
No missing codes (guaranteed) 12 bits
Gain drift (A/D specs) ±50 ppm/°C
Zero drift (A/D specs) ±10 ppm/°C
Common Mode Range ±10V
CMRR @ 60 Hz 70 dB min
Input leakage current (@ 25 deg C) ± 30 nA
Input leakage current (over temperature)±250 nA
Input impedance
>1000 Mohm typical
Absolute maximum input voltage ±35V
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