Hello Guys,
I have a question on macro model of MCP6000 series op amps. In the attachments, you may find the schematic of my circuit and results taken with pspice. My question is that when I use the macro model that belongs to MCP6001, my low pass filter shows a result like it is a high pass circuit. If I use the simplified model of MCP6xxx series, the result is like how it is expected. Does anyone have problem like this before? Is it the macro model or my circuit? In addition, when I check the voltage clamp which is there to protect from over voltage conditions, it does not clamp the voltage at 3.3 +VDon. Could you explain why ? Is this because of the pspice ?
This circuit is to receive analog signals from 0-5V sensor output for 3V ADC so 2M&3M resistors are voltage dividers.
Thank you in advance.
I have a question on macro model of MCP6000 series op amps. In the attachments, you may find the schematic of my circuit and results taken with pspice. My question is that when I use the macro model that belongs to MCP6001, my low pass filter shows a result like it is a high pass circuit. If I use the simplified model of MCP6xxx series, the result is like how it is expected. Does anyone have problem like this before? Is it the macro model or my circuit? In addition, when I check the voltage clamp which is there to protect from over voltage conditions, it does not clamp the voltage at 3.3 +VDon. Could you explain why ? Is this because of the pspice ?
This circuit is to receive analog signals from 0-5V sensor output for 3V ADC so 2M&3M resistors are voltage dividers.
Thank you in advance.
Attachments
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