Data Translation DT3000 Series, User Manual, Page: 119 / 156

Appendix A
118
Analog Input Specifications
Table 22 lists the analog input specifications for the DT3000 Series boards.
Table 22: Analog Input Specifications
Feature
DT3001, DT3001-PGL, DT3002,
DT3003
DT3003-PGL DT3004, DT3005
Resolution (Coding) 12 bits (offset binary) 16 bits (twos complement)
System Accuracy
(% FSR) Guaranteed:
0.03% @Gain=1
0.04% @Gain=10
0.05% @Gain=100
0.10% @Gain=500
See
Table 24 for typical values.
0.017% @Gain=1
Integral Nonlinearity ±0.03% of FSR maximum ±0.01% of FSR maximum
Differential Nonlinearity ±0.75 LSB (No missing codes to 12
bits) ±1.5 LSB (Monotonic to 15
bits)
Range (Bipolar Only) ± 10 V
A/D Zero Drift ±20.0
μ
V
rms
(±10
μ
V
rms
* Gain)/
°
C (±10
μ
V
rms
* Gain)/
°
C
Gain Drift ± 30 ppm/
°
C ± 20 ppm/
°
C
Number of Analog
Inputs 16 SE / 8 DI (DT3001 and
DT3001-PGL)
32 SE / 16 DI (DT3002)
64 SE / 32 DI (DT3003 and
DT3003-PGL) 16 SE / 8 DI
Gain Ranges 1, 2, 4, 8
(1, 10, 100, 500 for DT3001-PGL and
DT3003-PGL) 1, 2, 4, 8
Input Impedance 100 M
Ω
, 10 pF, Off
100 M
Ω
, 400 pF, On
(with 100
Ω
series resistor)
100 M
Ω
, 10 pF, Off
100 M
Ω
, 100 pF, On (with
330
Ω
series resistor)
Input Bias Current ± 20 nA
Common Mode Voltage ± 10.5 V maximum (operational) ± 11 V maximum
(operational)
ESD Protection
(Mil 38510, class 2) 1500 V maximum
Common Mode
Rejection Ratio (@
60 Hz, 1 k
Ω
balanced)
74 db
Maximum Input Voltage ± 35 V maximum (protection)
A/D Converter Noise 0.3 LSB RMS
Amplifier Input Noise 15.0
μ
V
rms
+ (5
μ
V
rms
*Gain)
20.0 pA
rms
(current)
20.0
μ
V
rms
(voltage)
20.0 pA
rms
(current)
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