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'[ot]: precision voltage source'
2003\01\19@165354 by rad0

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I've asked this before too, sorry

but what kind of devices do you use to get say, a 2 vdc
precise source?

is it a 3 pin device, like the 7805?

I need a part number here, I want to stick this in an open
spot on my pcb



thanks

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2003\01\19@170157 by hard Prosser

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TLE2425 - 8 pin DIL SMT part.
2.5V
(Officially its a virtual ground but is also commonly used as a voltage
reference. If you want a different voltage, use an opamp on the output.)

RP



I've asked this before too, sorry

but what kind of devices do you use to get say, a 2 vdc
precise source?

is it a 3 pin device, like the 7805?

I need a part number here, I want to stick this in an open
spot on my pcb



thanks

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ways.  See http://www.piclist.com/#archives for details.

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2003\01\19@171615 by Larry Bradley

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Look at the Maxim, National Semiconductor, Linear Technology, etc web sites
- there are a pile of voltage references out there. It all depends on what
you want - what voltage. what tolerance, what package.

What do you want to use the precision voltage for? If it's the reference
for an A/D converter, such as on the '877 series, then a 4.096 volt
reference is good, since it gives you a nice integral number of millivolts
per bit (4.096/1024 = 4 mv), which makes your programming easier.

Larry

At 03:52 PM 1/19/2003 -0600, you wrote:
{Quote hidden}

Larry Bradley
Orleans (Ottawa), Ontario, CANADA

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