The MAX3760 evaluation kit (EV kit) simplifies evaluation of the MAX3760 transimpedance preamplifier. The MAX3760 is optimized for hybrid applications that place the preamplifier die in the same package with a photodetector. The EV kit uses a packaged version of the MAX3760 to simplify product evaluation. It allows both optical and electrical testing.
The MAX3760's input voltage is determined by internal circuitry. When the input is connected to a photodiode, the MAX3760's input voltage determines the reverse diode voltage. Electrical signal sources connected to the input must be AC coupled. AC coupling the input removes the signal's DC component. Many of the MAX3760's specifications are affected by the average DC input current, which is normally present when the input signal is derived from a photodiode. A current mirror and simple bias-tee are used to create a signal similar to that of a photodiode.
The MAX3760 EV kit has several mounting holes for inserting common photodiodes, allowing optical testing.
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