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MAX5411 - Log Taper Digital Potentiometers

General Description

The MAX5408

MAX5411 dual, logarithmic taper digital potentiometers, with 32-tap points each, replace mechanical potentiometers in audio applications requiring digitally controlled resistors.

The MAX5408/ MAX5410 are dual potentiometers with one wiper per potentiometer.

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19-2049; Rev 3; 1/05 Dual, Audio, Log Taper Digital Potentiometers MAX5408–MAX5411 General Description The MAX5408–MAX5411 dual, logarithmic taper digital potentiometers, with 32-tap points each, replace mechanical potentiometers in audio applications requiring digitally controlled resistors. The MAX5408/ MAX5410 are dual potentiometers with one wiper per potentiometer. The MAX5409/MAX5411 are dual potentiometers with two wipers per potentiometer (see Functional Diagram). An SPI™-compatible serial interface controls the wiper positions. The MAX5408– MAX5411 have a factory-set resistance of 10kΩ per potentiometer. A zero-crossing detect feature minimizes the audible noise generated by wiper transitions.