i want to use it as an APD tia but i can not find any spice model for it.
The AD8015 is a very mature TIA device. Up to today, it has succeeded in this competitive market for more than 17 years. ADI has never created a spice macro model when the designer created this device. The designer has left ADI a long time ago.
Thanks a lot!!
Another question. Is AD8351 capable of DC-coupling?
I want to use it to amplife a single from DC X00M Hz.
Yes, you can DC-couple the inputs. Apply the appropriate voltage to the VOCM pin to set the common mode voltage at both the input and output. The range of the VOCM pin is 1.2 to 3.8 Volts.
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