SC5 Signal Conversion
Performance Measurements
•
58
Analog outputs DC performance measurements
DNL and INL
The differential (DNL) and integral nonlinearities are measured with the SC5 connected directly to a
National
Instruments 4071
PXI digital multimeter operated in DMM mode (7.5 digits). During these measurements the
environment temperature was not kept constant, meaning that in a constant-temperature environment the results for
the INL would show a lower INL than in themeasurement below. The following settings have been used for the
measurement:
SC5
DMM
Measured output:
AO1
Mode of operation: DMM, DC volts
Range:
10 V
Resolution:
26 bit
The first plot shows the differential nonlinearity, the second the integral nonlinearity. In both cases the error is below
±1 LSB at 20 bit, meaning below ±20 µV absolute voltage error. The SC5 achieves therefore ppm-precision on its
analog outputs.
Figure 38: Differential nonlinearity of the analog outputs. The dashed lines indicate the ±1 LSB range.
−
10
−
8
−
6
−
4
−
2
0
2
4
6
8
10
Output voltage [V]
D
N
L
[2
0-
bi
tL
S
B
]
1.5
1
0.5
0
-0.5
-1
-1.5
Summary of Contents for Nanonis SC5
Page 1: ...Signal Conversion SC5 User Manual November 2016 R6860...
Page 2: ......
Page 5: ...SC5 Signal Conversion Conventions 5...
Page 8: ......
Page 72: ......
Page 74: ......
Page 75: ...SC5 Signal Conversion Legal Information 75 Declaration of Conformity...
