Hobby Electronics Basics +/- supply frm single chip

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Subject Author Date
+/- supply frm single chip aaryaluv@gmail.com 08-19-06
Posted by aaryaluv@gmail.com on August 19, 2006, 3:05 am
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i m doin 1 project where i need 2 supply power 2 ADC AD677 ... i need
+/- 5/12 volts..i want this all frm single chip instead of using
7805,7812,7905 & 7912.

can u help me


Posted by Eeyore on August 19, 2006, 8:17 am
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"aaryaluv@gmail.com" wrote:

> i m doin 1 project where i need 2 supply power 2 ADC AD677 ... i need
> +/- 5/12 volts..i want this all frm single chip instead of using
> 7805,7812,7905 & 7912.

What's the big deal about using '1 chip' only ?

Graham


Posted by John Fields on August 19, 2006, 8:30 am
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On Sat, 19 Aug 2006 13:17:21 +0100, Eeyore

>
>
>"aaryaluv@gmail.com" wrote:
>
>> i m doin 1 project where i need 2 supply power 2 ADC AD677 ... i need
>> +/- 5/12 volts..i want this all frm single chip instead of using
>> 7805,7812,7905 & 7912.
>
>What's the big deal about using '1 chip' only ?

---
He asked for help, not asinine bullshit.


--
John Fields
Professional Circuit Designer

Posted by Eeyore on August 19, 2006, 9:02 am
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John Fields wrote:

> On Sat, 19 Aug 2006 13:17:21 +0100, Eeyore
>
> >"aaryaluv@gmail.com" wrote:
> >
> >> i m doin 1 project where i need 2 supply power 2 ADC AD677 ... i need
> >> +/- 5/12 volts..i want this all frm single chip instead of using
> >> 7805,7812,7905 & 7912.
> >
> >What's the big deal about using '1 chip' only ?
>
> He asked for help, not asinine bullshit.

There are some single chip twin rail ICs but they're quite expensive and not
widely available. I'm trying to find out the underlying reason for the question
so as to be able to give a decent answer.

Graham


Posted by PeteS on August 19, 2006, 9:44 am
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Eeyore wrote:
> John Fields wrote:
>
> > On Sat, 19 Aug 2006 13:17:21 +0100, Eeyore
> >
> > >"aaryaluv@gmail.com" wrote:
> > >
> > >> i m doin 1 project where i need 2 supply power 2 ADC AD677 ... i need
> > >> +/- 5/12 volts..i want this all frm single chip instead of using
> > >> 7805,7812,7905 & 7912.
> > >
> > >What's the big deal about using '1 chip' only ?
> >
> > He asked for help, not asinine bullshit.
>
> There are some single chip twin rail ICs but they're quite expensive and not
> widely available. I'm trying to find out the underlying reason for the question
> so as to be able to give a decent answer.
>
> Graham

What's Vin?

Cheers

PeteS


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