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LM35DZ DATASHEET PDF

LM35DZ/NOPB Texas Instruments Board Mount Temperature Sensors PREC CENTIGRADE TEMP SENSOR datasheet, inventory, & pricing. LM35DZ Datasheet, LM35DZ National Semiconductor Precision Celcius Temperature Sensor Datasheet, buy LM35DZ. q Low self heating (°C typical) q Output impedance Ω at 1mA q Standard T package. Pin connections. Package details. Data Sheet.

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If so, maybe that means the batch of LM35 you got is miscalibrated. Will buy one in local electronics shop and try with it. If you get something around mV, then the problem is related to your Arduino board. Bought LM35DZ in local electronics shop and everything is working as it should. Those pictures tell us nothing. I also second your recommendation – I remove the Arduino and measure the output as a function of varying lengths of time you heat the device with your hands.

Of course this application is not a time-sensitive project, but increased efficiency should always be realized where possible. You don’t want to be doing unncessary division at run-time. Ricardo 4, 14 37 In spite of the low quality of your second picture, with a bit of hard work and maybe some faithI can tell that your connections are correct: Sorry on my Bad English, I’ll try to explain even more what I’ve done.

Maybe I really got miscalibrated ones. D Finally, I would suggest you to isolate the variables: I did exactly that my English is bad and I know it!

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There’s some information on how to do it in the related question, How to calibrate a temperature sensor. Thanks on your help guys!

LM35 Temperature Sensor

By mistake I ordered 5 pieces instead of one so I tried with all of them and they all give me same result both on Arduino and voltage measured. By using our site, you acknowledge that you have read and understand our Cookie PolicyPrivacy Policyand our Terms of Service. Post an actual schematic. So, right there, there seems to be a problem with your setup.

LM35DZ Datasheet(PDF) – National Semiconductor (TI)

Its funny, they are same, all markings and everything. Sign up using Facebook. After several attempts I tried to measure voltage with multimeter on 2nd pin Vout and it was 4. Lm35xz, I would suggest you to isolate the variables: Do you have a scope you can look at it with to be sure it’s not noisy? That’s cheating, admittedly, but who cares as long as it works?

Post as a guest Name. Sign up using Email and Password. Now I’m confused what is going on and why all of them return the same value? The LM35DZ datasheet output follows the formula below: By clicking “Post Your Answer”, you acknowledge that you have read our updated terms of serviceprivacy policy and cookie policyand that your continued use of the website is subject to these policies.

The LM35DZ datasheet output follows the formula below:. As Ricardo told I’ve tried to remove Arduino out of picture and still got 4. As a side note, this: If that’s the case, you may be able to compensate for that and calibrate them yourself, by adjusting the temperature formula in your code.

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Using this code I also got 4. Email Required, but never shown. Sign up or log in Sign up using Google. I have an LM35DZ which is temperature sensor, properly connected and reading strange values There’s got to be something in your lm3dz, but I don’t know what it is.

LM35 Temperature Sensor: Pinout, Diagrams, Equivalents & Datasheet

I’ll buy tomorrow one LM35DZ in local electronics shop and try again. It’s a long shot because that may already be the default, and also because the analogRead call probably does that for you.

In spite of the low quality of your second picture, with a bit dtasheet hard work and maybe some faithI can tell that your connections are correct:. Post Your Answer Discard By clicking “Post Your Answer”, you acknowledge that you have read our updated terms of serviceprivacy policy and cookie policyand that your continued use of the website is subject to these policies.

Home Questions Tags Users Unanswered. AVR microcontroller pins default to input, as you have said. We’re Engineers, not Scientists: Chris Thanks for the edit! Another thing to try: Here’s a post of somebody with the same problem as you.