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LM4041A12ILP availability in TO-92

Other Parts Discussed in Thread: LM4040, LM4051-N, REF1112

As 3.3V systems get more common I am interested in LM4041A12ILP to test the reference and the design on breadboard. Is there any information when will it be available in TI WebShop?

  • Hi Laszlo 

    I will check with marketing team and let you know. 

    However LM4041C12ILPR is available on TI web store.You can use this part  if you are okay with 0.5%  initial accuracy (All other parameters are same as A grade).

    Regards

    Trailokya  

  • Hi Trailokya,

    I am working on DVM and 0.1% (or even better ) means 3 digit without calibration, so I prefer this product.

    Thank you for your kind help!

    Regards,

    Laszlo

  • Hi Laszlo,

    We currently do not have plans to release this device in TO-92. If you just need this device in a package to test on a breadboard for prototype, I personally use the EVM dip adapter boards to use these devices on a breadboards.

  • Hi Laszlo 

    It will be good if you try other shunt references with 0.1% accuracy as suggested in previous post because they are easily available. 

    However the exact replacement to the LM4041A12ILP is the LM4041AIZ-1.2/NOPB.

    They both have the same exact specs in accuracy 0.1% at T= 25C, and for T=-40 to 85C, they are both +/-9.2mV.

    Additionally, the ppm/C is exactly the same at 15 ppm/C typical and 100ppm/C max. You can try this for TO-92 package.

     

    Regards

    Trailokya

  • Hi guys,

    I think adapter board not the correct solution, I could solder lead for the SOT package and I can test, it but it looks terrible. Additionally, If I need higher precision I can use  LM5050 but that has no 1.2V version.

    So, I think it has no good solution right now and I hope there will be enough interest for this reference to change your mind.

    Regards,

    Laszlo

  • Hi Laszlo,

    The LM40xx families are divided into 2 parts.

    The LM4040 and LM4050 are the 2V and higher fixed references.

    The LM4041 and LM4051 are the 1.2V and adjustable versions.

    Please check out the LM4051-N for a 1.2V reference

    If you need a lower Iq 1.2V with high precision you can look into the REF1112.

    -Marcoo

  • Hi Marcoo,

    it is a nice collection of voltage references but everything is in SOT-23. Advanced users can solder SOT-23 and I plan to build for sale with surface mount version.

    Right now, I am designing DVM for beginners as a kit and they cannot work with small SMDs. TO-92 package version at least from a selection of voltage references would be important.

    I know it is not a big market but maybe if you produced LM4041A12ILP for a dedicated order, would make sense to produce additional 1000 pcs for TI Webshop.

    Regards,

    Laszlo