Part MAX5440
Description Stereo Volume Control
Manufacturer Maxim Integrated
Size 474.93 KB
Maxim Integrated
MAX5440

Overview

The MAX5440 dual, 40kΩ logarithmic taper volume control features a debounced up/down interface for use with a simple rotary encoder without using a microcontroller (µC). Each potentiometer has 32 log-spaced tap points with a buffered wiper output and replaces mechanical potentiometers.

  • Logarithmic Taper Volume Control with (31) 2dB Steps
  • Low-Power Wiper Buffers Provide 0.003% THD
  • Single +2.7V to +5.5V or Dual ±2.7V Supply Voltage Operation
  • Low 0.5µA Shutdown Supply Current
  • Integrated Bias Voltage Generator
  • Five-Segment LED Volume/Balance Indicator
  • Clickless Switching
  • 40kΩ End-to-End Fixed Resistance Value
  • Mute Function Toggles to -90dB (typ)
  • Power-On Reset to -12dBFS Wiper Position MAX5440