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Specifications 6
A digital calibration method is used for both analog-to-digital and digital-to-analog
conversions. Please contact the factory should you believe your board to be in need
of calibration.
General
Function: High speed, 16 channel multiplexed 16 Bit Analog-to-Digital converter (ADC)
with programmable gain, and 24 digital I/O lines for PC compatibles.
DaqBoard/500 includes two Digital-to-Analog Converters (DAC0 and DAC1)
Board
Configuration:
Completely software configurable: Host PC sets all Bus-related selections. All data
acquisition-related configuration is done by the user via software.
Analog Inputs
Number of
Inputs:
16 Single-ended or
8 Differential programmable on per channel basis
Resolution: 155.070 µV/bit on 0 to 10 V range
Acquisition
Rate:
200 kHz max
A/D Full Scale
Ranges:
±10 V; 0 to 10 V
Programmable
Gain:
x1, x2, x4, x8
ADC
Nonlinearity
(Integral):
± 1 LSB
ADC
Nonlinearity
(Differential):
± 3 LSB, no missing codes
Input Ranges
Range Accuracy*
Settling
Time
± 10 V ± 0.008 V 5µs
± 5 V ± 0.006 V 5µs
± 2.5 V ± 0.004 V 20µs
Bipolar
± 1.25V ± 0.0025V 20µs
0 to 10 V ± 0.006 V 5µs
0 to 5 V ± 0.004 V 5µs
0 to 2.5 V ± 0.0025 V 20µs
Unipolar
0 to 1.25 V ± 0.00125V 20µs
*Accuracy 1 year, 18 to 28°C, excluding noise.
Gain Drift: ± 7 ppm/ °C
Zero Drift: ± 2 ppm/ °C
Note: Specifications subject to change without notice.
DaqBoard/500 Series User’s Manual 947294 Specifications 6-1