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The circuit shown in Figure 1 depicts an inverting gain amplifier using an MCP6XXX op-amp. It represents an impedance of R1 to the sensor (Vsen ) and produces a negative gain from Vsen to Vout .
Figure 1
Advantages Resistive isolation from the source Large input voltage range is possible Virtually no input stage distortion Simplicity Disadvantages Resistive loading of the source Inverting gain Amplifies Common mode noise Sensor Examples Thermo pile High-side (Vdd ) voltage sensor Learn More
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