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PSoC 4 MCU

Anonymous
Not applicable
‎Sep 19, 2016 01:37 PM

How to het 0-5V analog output?


We are using a PSOC 4 CY8C42478ZI-MF485 and we need to generate an analog output voltage from 0 to 5 volts to control a motor controller. We are using the IDAC with a range of 0-612uA and externally we have a 10k resistor to have the voltage. However, the maximum voltage output we got was 4.3 volts. Thank you
 

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odissey1
Honored Contributor II
‎Sep 19, 2016 08:29 PM

Re: How to het 0-5V analog output?

        I don't believe it is possible to reach 5V without using external components (Opamp / DAC). You may consider "PWM DAC" or R2R DAC instead, which can reach close to 5V (more likely about 4.9V).   
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