Specifications, Analog input, Power consumption – Measurement Computing CIO-DAS48-PGA User Manual
Page 15: Chapter 4

15
Chapter 4
Specifications
Typical for 25°C unless otherwise specified.
Specifications in italic text are guaranteed by design.
Analog input
Table 1. Analog input specifications
Parameter
Specification
A/D converter type
AD574
Resolution
12 bits
Number of channels
48 single-ended, 24 differential (configurable as 24 modified differential via
installation of SIP resistor)
Input type
Voltage input or current input, configurable by jumper and installation of SIP
resistors for current configuration
Input ranges
±10 V, ±5 V, ±2.5 V, ±1.25 V, ±0.625 V, 0 to 10 V, 0 to 5 V, 0 to 2.5 V, 0 to
1.25 V, software selectable
Polarity
Unipolar/Bipolar, software selectable
A/D pacing
Software polled
Data transfer
Software polled
A/D conversion time
25µs
Throughput
20 kS/s, PC dependent
Accuracy
±0.01% of reading ±1 LSB
Differential linearity error
±1 LSB
Integral linearity error
±0.5 LSB
No missing codes guaranteed
12 bits
Gain drift (A/D specs)
±25 ppm/°C
Zero drift (A/D specs)
±10 µV/°C
Common mode range
±10 V
CMRR
72 dB
Input leakage current (@ 25 C)
100 nA
Input impedance
10 Meg Ohms min
Absolute maximum input voltage
±35V
Noise distribution (Rate = 1-10 kHz, Average % +/- 2 bins, Average % +/- 1 bin, Average # bins)
Bipolar
10V
100% / 100% / 3 bins
5V
100% / 98.8% / 4 bins
2.5V
100% / 96.8% / 4 bins
1.25V
100% / 98.2% / 5 bins
0.625V
100% / 99% / 5 bins
Unipolar
10V
100% / 98.6% / 4 bins
5V
100% / 98.8% / 4 bins
2.5V
100% / 97.4% / 4 bins
1.25V
100% / 98.2% / 4 bins
Power consumption
Table 2. Power consumption specifications
+5 V
620 mA typical, 800 mA max