Measurement Computing DaqBoard 1000 Series - Manual (Page 80)

7-2 Specifications – DaqBoard/2000 Series 889094 Note: Specifications subject to change without notice.
Analog Specifications Applicable to DaqBoard/2000, /2001, /2005
A/D: Successive approximation, 200 kHz maximum conversion rate
Resolution: 16 bits
Channels: 16 single-ended or 8 differential, expandable up to 256 differential
Conversion Time: 5 µs
Connector: 100-pin high-density edge-type
Missing Codes: None, over full operating temperature range
Input Voltage Ranges (software programmable via sequencer):
Accuracy (Note 2)
One Year,
0 to 35°C
± (% reading+% range)
Input Noise
(LSB rms)
10 Hz-200 kHz
(Note 3)
Voltage Range
Absolute Typical
0 to +10 V 0.015+.005 1
0 to +5 V 0.015+.005 1
0 to +2.5 V 0.015+.005 1
0 to +1.25 V 0.015+.008 2
0 to +0.625 V 0.015+.008 2
0 to +0.3125 V 0.015+.008 2
-10 to +10 V 0.015+.005 1
-5 to +5 V 0.015+.005 1
-2.5 to +2.5 V 0.015+.005 1
-1.25 to +1.25 V 0.015+.005 2
-0.625 to +0.625 V 0.015+.008 2
-0.3125 to +0.3125 V 0.015+.008 3
-0.156 to +0.156 V 0.02+.008 3
Notes
(1) Specifications assume
differential input single
channel scan, 200 kHz
scan rate, unfiltered.
(2) Accuracy specification is
exclusive of noise.
(3) Inputs shorted to P4-45A,
differential input, 8192
samples.
Voltage Specifications
(one year, 0-35°C) Applicable to DaqBoard/2000, /2001, /2005
Differential Nonlinearity: ±2 LSB maximum
Integral Nonlinearity: ±1 LSB maximum
Temperature Coefficient: ±(10 ppm + 0.3 LSB)/°C typical
Input Impedance: 10 MΩ (single ended); 20 MΩ (differential), in parallel with 50 pF
Bias Current: <1 nA (0 to 35°C)
Common Mode Rejection: 86 dB typical, from DC to 60 Hz for gains ≤8; 95 dB typical, from DC to
60 Hz for gains ≥16
Hostile Channel-to-channel Crosstalk: 100 dB DC to 60 Hz; 86 dB @10 kHz
Maximum Input Voltage: ±11 V relative to analog common
Over-Voltage Protection: ±35 V relative to analog common