SC5 Signal Conversion Performance Measurements
45
Numbers for the spectral noise density at various frequencies can be found in the table below. Note that the values
are typical values measured for one instrument. Numbers might vary from instrument to instrument.
Frequency Spectral noise (nV/√Hz)
1 Hz 2000
10 Hz 620
100 Hz 220
1 kHz 155
10 kHz 140
50 kHz 140
100 kHz 145
Table 2: Spectral noise density for different frequencies.
Noise and oversampling
The input noise voltage of the analog inputs is measured when the inputs are connected to GND using the internal
switch. Since the input noise depends on oversampling, the plots shown below are for various oversampling settings.
All measurements have the same number of measured samples, meaning that the timebase varies from measurement
to measurement.
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