Single-Supply Multiple Feedback Bessel Low Pass Filter

Problem:
How does a designer make a Multiple Feedback Bessel low pass filter that operates from a Single-Supply?

Solution:
Use the circuit below:



This circuit is configured for unity gain. Contact Texas Instruments Applications if a gain other than 1 is required.

The designer, if not familiar with the topics, may want to review Coupling Capacitors (Cin in the schematic) and Virtual Grounding (Vcc/2 in the schematic).