Dear team,
I want to confirm if it works when add V+ 3.3V, IN(+) to GND, IN(-) to APD?
Thanks.
Best regards,
Sammi
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Dear team,
I want to confirm if it works when add V+ 3.3V, IN(+) to GND, IN(-) to APD?
Thanks.
Best regards,
Sammi
Hello Sammi,
More details would be helpful to evaluate, such as your desired transimpedance gain & photodiode specs. Or if you could provide a schematic.
In a basic sense, however, this will only work if you are using your APD with a negative supply bias. If your APD is configured with a positive supply as shown in figure 56 of the OPA858 datasheet, you will either need to increase the voltage at your non-inverting pin or add a negative supply since your output will be swinging down rather than up.
Best,
Hasan Babiker