介绍DS1847用于工业控制-Introduction of
时间：05-27
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- Rv = DS1847 50kΩ resistor (Rmin = 850Ω, Rmax = 50kΩ)
- (Notice that the minimum resistance at position 0 is not 0Ω but 850Ω.)
- Rf = Fixed resistor
Figure 6. Voltage divider.
Using Equation 1 and the Rmin and Rmax of the 50kΩ resistor, the output voltage range is calculated.
Using a 4.7kΩ resistor, the output voltage range is 0.77V to 4.57V over the resistor range of the 50kΩ resistor.Conclusions
The DS1847 and DS1848 have many features that would be useful in industrial control applications. The variable resistors could easily replace a mechanical potentiometer and provide additional features. The DS1847 and DS1848 are able to perform multiple functions in one small package including temperature compensation. The DS1847 and DS1848 can be used standalone or with a microcontroller. To discuss your application, email Applications Support atMixedSignal.Apps@dalsemi.com MixedSignal.Apps@dalsemi.com. - (Notice that the minimum resistance at position 0 is not 0Ω but 850Ω.)
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