Part Number: TL084
Posting for FAE:
Could your team help provide the peak Output Voltage of TL084 with RL=5k ohm at full temp range like below? A simulation results or test results with RL=5k ohm can both be OK.
Customer is evaluating our TL084 to replace ADTL084. While, the Vom @ 2k ohm can’t meet the spec and the datasheet lacks 5k ohm spec. I tried to use the TINA spice model to do the simulation, but the result is much better than the load curve, which doesn’t match with each other.
If we can’t provide those data on TL084, I think TLV4172 can be an alternative, but the price goes higher. Look forward to your feedback sincerely, many thanks!
Regards,Collin WellsPrecision Linear Applications
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Are the a VCC values and Vout target known?
Here is 10k and 2k data from data sheet.
Regards,Ronald MichallickLinear Applications
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In reply to Ron Michallick:
In reply to Bell Ye:
I recorded high and low drive for a TL084QID sample (VCC = +/-15V).
VOL with 5k load was -12.76V to -13.10V across temperature
VOH with 5k load was +13.49V to +13.59V across temperature
Short current while driving high was 21mA to 36mA across temperature
Short current while driving low was 42mA to 56mA across temperature
I attached the raw data with a few charts.
TL084Q VOL, VOH.xlsx
Thanks a lot for providing the data.
I have one question: how do you get the Vom and short current specs? From one TL084 sample test or by design simulation?
And could you help make a plot like the below curve, please? The plot in excel is not that explicit to read. Many thanks!
This was actual lab sample data.
I could do five more units, but will not at this time. I don't know the application VOH requirement. If I don't know the reason behind the data request, I won't provide data that may be improperly applied. If a few mili-volts makes or breaks the application then it is time to stop. The data I provided assumes VCC+ is exactly 15V, if the 15V supply varies so will the VOH in a 1:1 ratio. If the application supply isn't 15V then the data is close but not correct. Is the load exactly 5k? Does it terminate to ground? Is there any other load (like feedback).
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