Series AVME9125 VMEbus 6U Analog Input Board
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Programmable Calibration Voltages
Calibration
Signal
Ideal
Value
(Volts)
Maximum Temperature
Drift
2
(ppm/oC)
Auto Zero
0.0000
N/A
CAL
9.790039
±
6
Note 2. Worst case temperature drift of the calibration voltage
reference.
Maximum Overall Calibrated Error @ 25
°
C
The maximum corrected (i.e. calibrated) error is the worst case
accuracy possible. It is the sum of error components due to ADC
quantization of the low and high calibration signals,
Instrumentation Amp and ADC linearity error, and the absolute
errors of the recommended calibration voltages at 25oC.
Input
Range
(Volts)
Max. Err
±
LSB
(% Span)
Typ. Er
3
±
LSB
(% Span)
-10 to +10
±
8.8 LSB
(
±
0.0113%)
±
3 LSB
(
±
.0.0045%)
Note 3. A total of 256 input samples, were averaged with the
throughput Rate of 31KHz conversions/second. A 3 foot shielded
analog input ribbon was used.
Settling Time (20V step)........….....3.5uS to 0.01%, Typical
A/D Conversion Time.................….11.25uS Maximum
Conversion Rate..........................…88.8KHz Maximum
A/D Triggers............................…....Software and External
Input Noise...........................….......1.4 LSB rms, Typical
4
.
Temperature Coefficient..........…....See spec of calibration
voltages.
Note 4. A total of 2048 input samples were averaged with the
throughput Rate of 31KHz conversions/second, using the uniform
single sample mode. A 3 foot shielded analog input ribbon was
used.
ENVIRONMENTAL
Operating Temperature..........….0 to +70
°
C
Relative Humidity........................5-95% non-condensing. The
printed circuit board is coated
with a fungus resistant acrylic
conformal coating in the area
in the area of the sensitive
analog circuitry.
Storage Temperature..................-25 to +85
°
C
Non-Isolated................................VMEbus and AVME9125
commons have a direct
electrical connection. As such,
the field I/O connections of the
P2 are not isolated from the
VMEbus.
Radiated Field Immunity (RFI).....Designed to comply with
IEC1000-4-3 Level 3 (10V/m at
frequencies 27MHz to 500MHz)
and European Norm
EN50082-1.
Electromagnetic Interference
Immunity (EMI)…..............…........Error less than
±
0.25% of FSR
(RMS) under the influence of
EMI from switching solenoids,
commutator motors, and drill
motors.
Electrostatic Discharge
Immunity (ESD)…..........………..Complies with IEC1000-4-2
Level 1 (2KV direct
contact discharge) at
input/output terminals and
European Norm EN50082-1.
Surge Immunity…………………...Not required per European Norm
EN50082-1.
Electric Fast Transient
Immunity (EFT)..…………….…....Complies with IEC1000-4-4,
Level 2 (0.5KV at input and
output terminals) and
European Norm EN50082-1
Radiated Emissions……….…….Meets or exceeds European
Norm EN50081-1 for class A
equipment.
Warning: This is a class A product. In a domestic environment
this product may cause radio interference in which the
user may be required to take adequate measures.
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