Rtech USB3000 Manuel d'utilisateur télécharger pdf (Page 4)

RT USB3000 Technical Description and User Manual Rev. 4.1. 4 of 18

Power supply From the USB bus or the external source

Consumed current Up to 480 mA

Dimensions 140 х 110 х 35 mm

External environment for usage and storage

External environment

from +5°С up to +55°С with relative moisture

from 5% up to 90%

Storage temperature

from –10°С up to +70°С

Figures below show typical characteristics of a RT USB3000 ADC device: Harmonic distortion;

noise in the ½ f

ADC

band; values spread from ADC with constant voltage on analog input; the graph of

Crosstalk dependency towards channel switching frequency.

Fig. 1. Noise in the ½ f

ADC

band (f

ADC

= 3MHz)

The low power consumption of the RT USB300 allows to avoid using external supply. External supply could be

used while working with notebook to save notebook battery’s power.

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Rtech USB3000 Manuel d'utilisateur Page 4