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Pommie said:D2A use a R2R network.
A2D use a R2R network and feed the output to a comparator with the unknown voltage on the other input. You start by just setting the highest bit, if it produces a voltage higher than the unknown then that bit is zero (otherwise one) and you move on to the next bit.
Mike.
dknguyen said:THat's the cheaper way to do a resistor divider ADC rather than using a bunch of comparators with different sources- you just have to switch the switches in the dividers much faster than the signal is changing.
Asks someone who always writes in a clear and concise manner.shanky25 said:will u plzz be a little more clear!!
This might be easier for you to type, but for old farts like me, it makes the reading more difficult.u, plzz, dint, ryt, coz