450 specifications appendix a – VXI VT1422A User Manual
Page 452
450 Specifications
Voltage offset:
Typical offset depends on previous channel value as
shown in figure below.
Gain Error:
<0.015% of reading
rms Noise:
<1 mV rms
CMRR:
>100 dB, dc-10 MHz (common mode range ± 10 V)
Drift:
Offset drift
Gain drift
Note: drift errors can be removed by running
CAL routine
<1 mV/°C
<1 mV/month
<30 ppm/°C
Dynamic Outputs:
Gain:
Offset:
Bandwidth:
32 V per V ±0.1% of reading
<250 mV
>100 kHz
Equivalent Input Noise (E.I.N.):
<20 nv/sqr(Hz)
Quarter Bridge Bending Errors:
(5 V Excitation, GF=2)
μ
∈
-50,000
-40,000
-30,000
-20,000
-10,000
0
10,000
20,000
30,000
40,000
50,000
Error (
μ
∈)
160
90
45
20
8
1
8
20
45
90
160
Typical offset error due to "soak" voltage
-6
-4
-2
0
2
4
6
-0.5
-0.4
-0.3
-0.2
-0.1
0
0.1
0.2
0.3
0.4
0.5
Sustained "soak" voltage on low-voltage inputs
Offset error (µV)
40usec
100usec
200usec
500usec