5: SPECIFICATIONS
Power consumption
+5V quiescent
500 mA typical, 750 mA max
Analog input section
A/D convertor type
AD674A, Successive Approximation
Resolution
12 bits
Number of channels
8
Programmable ranges (CIO-DAS801)
±10V, ±5V , ±1V, ±0.5V , ±0.1V, ±0.05V, ±0.01V , ±0.005V, 0 to 10V, 0 to 1V,
0 to 0.1V, 0 to 0.01V
Programmable ranges (CIO-DAS802)
±10V, ±5V, ±2.5V, ±1.25V, ±0.625V, 0 to 10V, 0 to 5V, 0 to 2.5V, 0 to 1.25V
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
Polarity
Unipolar/Bipolar programmable
Channel configuration
Differential (or pseudo-differential with installation of a SIP resistor) or
single-ended, switch selectable for each channel
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 @ 60Hz
Gain = 1
70 dB min
Gain = 10
90 dB min
Gain >= 100
100 dB min
Input leakage current (@ 25 deg C)
± 30 nA
Input leakage current (over temperature)
±250 nA
Input impedance
>1000 Megohms typical
Absolute maximum input voltage
±35V
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