Unfortunately, logarithmic digital pots (log dpots) with good resolution (e.g., Design Idea presented in Figure 1 implements an approximate logarithmic gain control with an ordinary linear-taper pot ...

Small, resilient and easy to use, digital potentiometers are becoming widely accepted as replacements for mechanical potentiometers, especially in volume-control applications. In this type of audio ...

Potentiometers have a taper. Yes, sometimes it’s a linear taper that’s a straight line from one resistance to another, but you can find log (audio) taper pots, and anti-log taper pots.

Catalyst Semiconductor’s CAT5116 is a new Digitally Programmable Potentiometer (DPP) integrated circuit (IC) for the audio and optical equipment markets.