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Would like to use THS4567 as differential output TIA with one (1) input photodiode. Data sheet section 8.3 Differential TIA with 0-V Biased Photodiode, presents a circuit with 0V bias (Figure 8-7). Is there a recommended method to add reverse bias to the photodiode (5V preferred). Thanks!
Hi Joel,
To use an external bias for this configuration, you'll need to AC couple the input:
May I ask what the application is? Perhaps a more conventional FDA would be more appropriate.
Best,
Sam
Sam. Thanks. Application is optical receiver for Fiber Bragg Grating optical sensing interrogators.
Hi Joel,
Have you looked at the LMH32401? I think it might suit your needs: LMH32401 data sheet, product information and support | TI.com
Best,
Sam