Search found 4 matches

by shteo83
Mon Mar 06, 2006 1:50 am
Forum: General Discussion
Topic: How to determine divider resistor as inout to ADC
Replies: 15
Views: 2412

Re: How to determine divider resistor as inout to ADC

TLC5540INS (8bit 40MSPS parallel) is the number of my ic. I used this ic for my digital oscilloscope project, so the input would be use a funtion generator to privided ac signal. Another thing is i was tested it by just simply supply a dc voltage, my maximum input range is 2.6, and supposed to obtai...
by shteo83
Sun Mar 05, 2006 9:35 pm
Forum: General Discussion
Topic: How to determine divider resistor as inout to ADC
Replies: 15
Views: 2412

Re: How to determine divider resistor as inout to ADC

Hi... MrAl

The circuit that you mentioned above is it suitable fot the input of the ADC? because my lecturer said if the circuit will produce current, then cannot use? Can u give some comment, may be you more pro. then my lecturer ..;-)
by shteo83
Wed Mar 01, 2006 9:25 pm
Forum: General Discussion
Topic: How to determine divider resistor as inout to ADC
Replies: 15
Views: 2412

Re: How to determine divider resistor as inout to ADC

That means the Vref 2.6v is fixed? Let said in the series of resistor, one side fixed with Vref 2.6v and another side use to input signals? Must i put the resistor value to be 100k? If not, how exactly the value of resistor to be determine? My ADC is 8bit, single channel, Vref=2.6v, and operation su...
by shteo83
Wed Mar 01, 2006 1:58 pm
Forum: General Discussion
Topic: How to determine divider resistor as inout to ADC
Replies: 15
Views: 2412

How to determine divider resistor as inout to ADC

I going to do a digital oscilloscope project. But my ADC is only -0.6v to +2.6V analog input range. I need a voltage id from negative voltage to positive voltage. In my case suppose to get
-2.6v to +2.6. How to the divider resistor? what should be the resistor value? My ref is 2.6v.