Datasheet
I =
1
(V V )
R
REF BIAS
-
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Connecting to the LOG114EVM
3.4 Using a Resistor
Using a resistor instead of a photodiode to create an input current is quite simple. As Figure 10 shows, a
1-MΩ resistor is placed between V
REF
and the input I
1
. In this case, the input current I
1
is determined by
Equation 4.
(4)
Figure 10. Using a Resistor to Create an Input Current
9
SBOU110–September 2011 LOG114EVM User Guide
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