What ADC to use to measure 0-15V ?
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Posts: 46,084
I would like to be able to read a analog sorce of 1-15V, All the ADC
I see are for 0-5V. Does anyone know of a DAC I could use?
Thanks,
Adam
I see are for 0-5V. Does anyone know of a DAC I could use?
Thanks,
Adam
Comments
Chris
>
Original Message
> From: lazer234@y... [noparse]/noparse]mailto:[url=http://forums.parallaxinc.com/group/basicstamps/post?postID=YpfGZHlwYzolMKR2xYa6F1ywku1Pmws2kRdLyxL9mEnY2vXje4onXEcRHcGpEh_W322rkJ48d9SU1vN_pw]lazer234@y...[/url
> Sent: Monday, July 16, 2001 1:55 PM
> To: basicstamps@yahoogroups.com
> Subject: [noparse][[/noparse]basicstamps] What ADC to use to measure 0-15V ?
>
>
> I would like to be able to read a analog sorce of 1-15V, All the ADC
> I see are for 0-5V. Does anyone know of a DAC I could use?
>
> Thanks,
>
> Adam
>
>
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I agree with Chris's voltage divider suggestion. For precision, see the
Burr-Brown INA105 application notes for a single-chip Gain = 1/2 amplifier.
With this chip, you could also offset the output to +10 volts, to read 0-20
volts, and then divide by 2. Be sure to use the full range of your A/D
converter (0-5v) if possible for best results.
Dennis
Original Message
From: Chris Loiacono [noparse]/noparse]mailto:[url=http://forums.parallaxinc.com/group/basicstamps/post?postID=gjQnMyjRPCi0qT1Esy5FmF0Rp6py--I7E9DRxYskVry3c0VCdl0VSHIRdaoSO5sjXS2Q45w4yzx7Tw]chris@m...[/urlOn Behalf Of Chris
Loiacono (E-mail)
Sent: Monday, July 16, 2001 11:18 AM
To: basicstamps@yahoogroups.com
Subject: RE: [noparse][[/noparse]basicstamps] What ADC to use to measure 0-15V ?
Why not try a simple voltage divider - inexpensive, easy & precise...
Chris
>
Original Message
> From: lazer234@y... [noparse]/noparse]mailto:[url=http://forums.parallaxinc.com/group/basicstamps/post?postID=S8eC1MRnQS2KgzUyDwyAfnSky-slv2xkdnNSGOjaorE92NYwonwCYUGQtZbOh59_0s5Tl58xWAll]lazer234@y...[/url
> Sent: Monday, July 16, 2001 1:55 PM
> To: basicstamps@yahoogroups.com
> Subject: [noparse][[/noparse]basicstamps] What ADC to use to measure 0-15V ?
>
>
> I would like to be able to read a analog sorce of 1-15V, All the ADC
> I see are for 0-5V. Does anyone know of a DAC I could use?
>
> Thanks,
>
> Adam
>
>
> To UNSUBSCRIBE, just send mail to:
> basicstamps-unsubscribe@yahoogroups.com
> from the same email address that you subscribed. Text in the
> Subject and Body of the message will be ignored.
>
>
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> http://docs.yahoo.com/info/terms/
>
>
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basicstamps-unsubscribe@yahoogroups.com
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