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Guard Ring Guide of LTC6078 for TIA

Thread Summary

The user plans to use the LTC6078 as a Transimpedance Amplifier (TIA) with a photodiode and seeks advice on designing a PCB with a guard ring to prevent leakage current. The final answer provides references to Analog Devices' technical articles and datasheets, specifically covering layout techniques for precision op-amps and guard ring design (pages 5.8 to 5.10 of the Practical Design Techniques for Sensor Signal Conditioning guide and p.42 of the ADA4530-1 datasheet).
AI Generated Content
Category: Hardware
Product Number: LTC6078

Hi,

I plan to use the LTC6078 as a TIA with a photodiode as the input.

To prevent leakage current, I am designing the PCB with a guard ring.

Could you provide any reference guides or documents to help with this design?

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