资料介绍
Abstract: Linear digital potentiometers can be used to make arbitrary voltage curves and waveforms. An alternative name for a digital pot is a "string" digital-to-analog converter (DAC). Logging pots is the art of making a linear pot produce a logarithmic response for applications such as audio. Maxim > App Notes > A/D and D/A Conversion/Sampling Circuits Audio Circuits Digital Potentiometers
General Engineering Topics
Keywords: digital pots, potentiometer, voltage divider, sensor conditioning, ratiometric, precision resistor, Dec 11, 2008
resistance, ratio, single power supply, temperature coefficient, low drift, linear, log, logarithmic, arbitrary
waveform curve, string DAC, audio
APPLICATION NOTE 4346
Pots, Pans, Logs, and Linear Digital Pots Create Arbitrary Voltage
Curves
By: Bill Laumeister
Abstract: Linear digital potentiometers can be used to make arbitrary voltage curves and waveforms. An
alternative name for a digital pot is a "string" digital-to-analog converter (DAC). Logging pots is the art of
making a linear pot produce a logarithmic response for a