Connecting to the LOG114EVM

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Figure 8 shows the connections required to bypass the high-current linearity circuitry. This connection

results in placing zero bias across the photodiode.

Figure 8. Using a Photodiode Without the High-Current Linearity Correction Circuitry

A 0.5-V reverse bias can be easily placed across the photodiode by connecting the photodiode as shown

in Figure 9. When connecting the photodiode in this configuration, the high-current linearity correction

circuitry is bypassed.

Figure 9. Applying a 0.5-V Reverse Bias to the Photodiode

8

LOG114EVM User Guide

SBOU110

– September 2011

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