• AD420: Output voltage range

    the output voltage range of the ad420 is only 4,90V and not 5V!!
    What?s wrong??

     

    The AD420 is primarily used as a precision current output DAC in 4-20mA loop
    systems delivering a programmed current into a grounded load. In voltage output…
  • RE: AD420 Drift in output

    Hi Micheal

    We have isolated the problem. On the output of the AD420 (the 4-20mA Iout line pin 18) we had a transient voltage suppressor which when remove led to the drift being eliminated. For some reason the transorb was causing the analog drift on…

  • RE: ad420 DC level

    This question has been assumed as answered either offline via email or with a multi-part answer. This question has now been closed out. If you have an inquiry related to this topic please post a new question in the applicable product forum.

    Thank you,
  • RE: AD420 issues at 12V

    This question has been assumed as answered either offline via email or with a multi-part answer. This question has now been closed out. If you have an inquiry related to this topic please post a new question in the applicable product forum.

    Thank you,
  • AD420: NC pin

    Hello,

    I have a question about the 22 pin (NC pin) of AD420.

    In an old specification, I think that 22 pin was a capacitor connection terminal.

    However, it is NC pin now.

    Because my circuit was designed in old time, the capacitor (3300pF) is connected…

  • AD420 Giving 9.93V as output

    By mistake, I have provided -12V instead of +12V to the AD420.

    I have measure the output, it is giving 9.93V on Pin 17.

    Have I lost the IC? Any solution for that.

    How can I test or check, whether it will work or not?

  • AD420 Output Voltage Range +/- 2.5V

    I have prepared circuit using LM358N op-amp for output voltage range -2.5V to +2.5V, as per attached file. 

    But it is not giving proper output. What may be the issue in it?

  • AD5420 gain and offset compensation

    Hi all,

    I use an AD5420 to produce a precise 0-20mA output current.

    Is it preferrable to compensate the offset and gain errors by firmware or there is some internal compensation circuitry in the AD5420 to do this ?

    In the AD420 the compensation can…

  • RE: AD5422使用问题求教

    建议你可以参考附件的常见问题解答。

  • 变送器AD5412/22/10/20常见问题解答

    ADI中国技术支持团队精心整理了有关变送器AD5412/22/10/20的常见问题解答文档。想了解ADI专家们是如何解答以下常见问题吗?赶快下载文档吧!

     

    问题1 AD5420PIN 1451211均为GND,数字地和模拟地应该怎么区分?

    问题2 AD5420的评估板中的R27电阻的作用?

    问题3 AD5422EPAD脚如何处理,与什么连接呢

    问题4:在使用AD5422的过程中,选择0-5V输出范围,code=0000时,输出为0.027Vcode=FFFF时,输…