Dec 15, 2009 #1 K kichapi Junior Member level 2 Joined Dec 6, 2009 Messages 20 Helped 0 Reputation 0 Reaction score 0 Trophy points 1,281 Location india Activity points 1,408 adc millivolt how to read millivolt adc( ie .01v,.02v) please help me
Dec 15, 2009 #2 hameeds01 Advanced Member level 2 Joined Aug 23, 2005 Messages 599 Helped 75 Reputation 156 Reaction score 41 Trophy points 1,308 Location Islamabad Pakistan Activity points 4,540 Re: adc millivolt reduce the Vref voltage so it will measure it more accurately
Dec 15, 2009 #3 K kender Advanced Member level 4 Joined Jun 19, 2005 Messages 1,425 Helped 138 Reputation 276 Reaction score 39 Trophy points 1,328 Location Stanford, SF Bay Peninsula, California, Earth, Sol Activity points 10,035 adc millivolt Amplify the signal so that the range of the signal matches the input range of the ADC.
Dec 16, 2009 #4 ammarabbasi Junior Member level 3 Joined May 31, 2008 Messages 27 Helped 2 Reputation 4 Reaction score 2 Trophy points 1,283 Location Lahore Activity points 1,435 Re: adc millivolt step size = Vref / 256* * (256 is in case of 8 bit adc = 2^8=256) { 2^number of bits = resolution} step size = minimum change you can measure for example , 0.01V is required 0.01 V = Vref / 256 Vref = 0.01 x256 Vref = 2.56 V
Re: adc millivolt step size = Vref / 256* * (256 is in case of 8 bit adc = 2^8=256) { 2^number of bits = resolution} step size = minimum change you can measure for example , 0.01V is required 0.01 V = Vref / 256 Vref = 0.01 x256 Vref = 2.56 V