[sdiy] TLC272 trouble

[Dan Snazelle]

Not input to ground....input is on pin 3 + , with a wire between pins 1 and 2, ground on pin 4


Supply=10v


Thanks

Sent from my iPhone

On Nov 13, 2011, at 11:10 AM, Ingo Debus <igg.debus at t-online.de> wrote:

> 
> Am 13.11.2011 um 16:54 schrieb dan snazelle:
> 
>> So i tried one as the buffer in a R2R circuit (taking the out of the r2r ladder into the +input and the - input to ground)
> 
> - input to ground? You get no negative feedback this way. Do you want to operate it as a comparator?
> 
> Anyway this would not burn the chip. I have used TLC272 many times in single supply designs and it worked well. What is your supply voltage? The TLC272 has a maximum supply voltage of 16 volts (unlike the TL072).
> 
> Ingo
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