Dec 31, 2005 #1 F fjpompeo Advanced Member level 1 Joined Nov 29, 2003 Messages 415 Helped 0 Reputation 0 Reaction score 0 Trophy points 1,296 Location Brazil Activity points 3,042 lm341a Is it possible to get a 2,5V with 20ppm voltage reference using LM341A IC? If not what should I use instead? Regards, Fernando
lm341a Is it possible to get a 2,5V with 20ppm voltage reference using LM341A IC? If not what should I use instead? Regards, Fernando
Jan 1, 2006 #2 I IanP Advanced Member level 7 Joined Oct 5, 2004 Messages 7,929 Helped 2,311 Reputation 4,624 Reaction score 531 Trophy points 1,393 Location West Coast Activity points 66,416 what is the ref3125 Did you think of LM431A (LM341A?)? https://www.fairchildsemi.com/ds/LM/LM431A.pdf With its reference input connected to output it ill generate 2.5V voltage but it is 50ppm/°C IC .. Regards, IanP
what is the ref3125 Did you think of LM431A (LM341A?)? https://www.fairchildsemi.com/ds/LM/LM431A.pdf With its reference input connected to output it ill generate 2.5V voltage but it is 50ppm/°C IC .. Regards, IanP
Jan 1, 2006 #3 VVV Advanced Member level 5 Joined Nov 26, 2004 Messages 1,575 Helped 384 Reputation 768 Reaction score 88 Trophy points 1,328 Activity points 19,971 A 20 ppm reference is going to be a little more expensive than the regular 50 ppm ones. I recommend TI's REF3125: http://focus.ti.com/docs/prod/folders/print/ref3125.html Maxim: MAX6033, MAX6035, or others: **broken link removed** Analog Devices: AD680, ADR03 or others: www.analog.com/dynamic/parametric/scResultsDisplay.asp?SearchType=PSS&ProductLine=REF Linear Technology: LT1460 www.analog.com/dynamic/parametric/scResultsDisplay.asp?SearchType=PSS&ProductLine=REF Intersil ISL60002DIH325, or others www.intersil.com/products/deviceresults.asp?i=14925
A 20 ppm reference is going to be a little more expensive than the regular 50 ppm ones. I recommend TI's REF3125: http://focus.ti.com/docs/prod/folders/print/ref3125.html Maxim: MAX6033, MAX6035, or others: **broken link removed** Analog Devices: AD680, ADR03 or others: www.analog.com/dynamic/parametric/scResultsDisplay.asp?SearchType=PSS&ProductLine=REF Linear Technology: LT1460 www.analog.com/dynamic/parametric/scResultsDisplay.asp?SearchType=PSS&ProductLine=REF Intersil ISL60002DIH325, or others www.intersil.com/products/deviceresults.asp?i=14925