英語 での The reference voltage の使用例とその 日本語 への翻訳
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Programming
For the DS2712 architecture, the charge mode does not affect switching frequency(as it does with the DS2715 platform) because the reference voltage is fixed in all modes.
It regulates by adjusting its internal resistance such that VIN minus the drop across the internal resistance equals the reference voltage at VOUT.
The reference voltage for the DAC is provided by a 2.5V output version of the MAX6029 voltage reference 0.15% initial accuracy, 30ppm/°C.
When a resistor string is used, the DAC's inputs control a set of switches that divide the reference voltage through matched series resistors.
If the ADC and pressure sensor are manufactured as an integral unit, the voltage reference for the current source can also provides the reference voltage for the ADC.
This design ensures that the analog input voltage remains ratiometric to the reference voltage and any errors in the analog input voltage due to the temperature drift and noise of the excitation current are compensated by the variation of the reference voltage.
The reference voltage at the point"C" in Fig. 9 may be developed in a variety of ways, and the Frederiksen text referenced above suggests that a resistor divider(e.g., R2 and R5) is a good method of creating this voltage. .
If the reference voltage has been made constant through the use of an internal or external voltage reference, then Equation 4 can be simplified to Equation 5, where K2 is a new constant equal to FS x K/Vref.
When the feedback voltage FB(obtained by dividing the output voltage for use in comparison) falls below the reference voltage REF, the comparator immediately turns on HG(a high-side output power transistor), and by supplying current to the output for a time determined by the equation on the right, raises Vout before turning off the transistor.
Second, it is the reference voltage for both digital and analog circuits.
Generic analog-to-digital converter. The source of the reference voltage depends on the design of the ADC.
When input is the same as the reference voltage, the analogRead function returns 1023.
These ADCs accept a full-scale input from 0V to the power supply or to the reference voltage.
Resistor R3 enables the peaks of the triangular wave to be set independent of the reference voltage.
This ADC accepts a full-scale input from 0V to the power supply or to the reference voltage.