Specifications

Maximum Input Voltage
(Normal mode plus common mode)
With Direct Input, Passive Filter or Amplifier SCPs:
Operating:<±16V
PEAK
Damage level:>±42V
PEAK
With VT1513A Divide by 16 Attenuator SCP:
Operating: < ± 60 V dc, < ± 42 V
PEAK
Maximum Common Mode
Voltage
With Direct Input, Passive Filter or Amplifier SCPs:
Operating:<±16V
PEAK
Damage level:>±42V
PEAK
With VT1513A Divide by 16 Attenuator SCP:
Operating:<±60Vdc,<±42Vpeak
Common Mode Rejection
0 to 60 Hz -105 dB
Input Impedance
greater than 90 MW differential
(1 MW with VT1513A Attenuator)
On-Board Current Source
122 µA ± 0.02%, with ± 17 volts Compliance
Maximum Tare Cal Offset
SCP Gain = 1 (Maximum tare offset depends on A/D range and SCP gain)
A/D range
±V F.Scale
16 4 1 0.25 0.0625
Max Offset 3.2213 0.82101 0.23061 0.07581 0.03792
Notice: Published specifications indicate accuracy degradation when subjected to radiated fields.
The following specifications reflect the performance of the VT1419A with the VT1501A Direct Input Signal Conditioning
Plug-On. The performance of the VT1419A with other SCPs is found in the Specifications section of that SCP’s manual.
Measurement Accuracy
dc volts
(90 days) 23 °C±1°C(with *CAL? done after 1 hr warm up and CAL:ZERO?
within 5 min.).
NOTE: If autoranging is ON:
for readings < 3.8 V, add ±0.02% to linearity specifications.
for readings ³ 3.8 V, add ±0.05% to linearity specifications.
A/D range
± V F.Scale
Linearity
% of reading
Offset Error Noise
3 sigma
Noise*
3 sigma
0.0625
0.25
1
4
16
0.01%
0.01%
0.01%
0.01%
0.01%
5.3 µV
10.3 µV
31 µV
122 µV
488 µV
18 µV
45 µV
110 µV
450 µV
1.8 mV
8 µV
24 µV
90 µV
366 µV
1.5 mV
Temperature Coefficients:
Gain - 10ppm/°C. Offset - (0 - 40 °C) 0.14 µV/°C, (40 - 55 °C) 0.8 µV+0.38 µV/°C
330 Appendix A
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