I have a question about AD8015.
This is the first time to use AD8015 ,
so I would really appreciate if you don't mind to help me about this.
Is the output voltage is "ID * 10kOhm"?
Please read the page 2 of AD8015 datasheet, table 1 for the device transfer characteristics section.
You will find the transimpedance gains at different output configurations.
Per your early question, we believe you are interested the TIA singled ended output vs. input Id.
If we are wrong, please correct us and specify your question with more details.
10Kohm is the transimpedance gain when you probe (referred to signal ground, in your case, +5V?)
one of the differential outputs, when the input Id is in its linear range (no quantizer limitation kicks in).
Yes, AD8015 provides 10Kohm transimpedance gain when the input signal Id < 30uA, and your only probe
one of the differential outputs, referred to signal ground.
Thank you for being interested in our AD8015.
AD8015 is one TIA quantizer. Its output signal amplitude would be limited (saturated) when
the sensed input photo-current Id is larger than +/-30uA.
When the input current is in a range less than the +/-30uA, yes, the single ended output voltage signal amplitude
could be Id x Tz (Tz is the transimpedance gain).
hope this is what you need.
Hi Dongfeng Zhao!
Thank you for your answer.
I understood your answer most of them.
So Tz = transimpedance gain.
Is the Tz value is 10kOhm which is inside AD8015?
I understood your answer !
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