MAX4410

NOT RECOMMENDED FOR NEW DESIGNS

80mW, DirectDrive Stereo Headphone Driver with Shutdown

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Overview

  • No Bulky DC-Blocking Capacitors Required
  • Ground-Referenced Outputs Eliminate DC-Bias Voltages on Headphone Ground Pin
  • No Degradation of Low-Frequency Response Due to Output Capacitors
  • 80mW Per Channel into 16Ω
  • Low 0.003% THD + N
  • High PSRR (90dB at 1kHz)
  • Integrated Click-and-Pop Suppression
  • 1.8V to 3.6V Single-Supply Operation
  • Low Quiescent Current
  • Independent Left/Right, Low-Power Shutdown Controls
  • Short-Circuit and Thermal Overload Protection
  • ±8kV ESD-Protected Amplifier Outputs
  • Available in Space-Saving Packages
    • 16-Bump UCSP (2mm x 2mm x 0.6mm)
    • 14-Pin TSSOP

The MAX4410 stereo headphone driver is designed for portable equipment where board space is at a premium. The MAX4410 uses a unique DirectDrive architecture to produce a ground-referenced output from a single supply, eliminating the need for large DC-blocking capacitors, saving cost, board space, and component height.

The MAX4410 delivers up to 80mW per channel into a 16Ω load and has low 0.003% THD+N. A high power-supply rejection ratio (90dB at 1kHz) allows this device to operate from noisy digital supplies without an additional linear regulator. The MAX4410 includes ±8kV ESD protection on the headphone outputs. Comprehensive click-and-pop circuitry suppresses audible clicks and pops on startup and shutdown. Independent left/right, low-power shutdown controls make it possible to optimize power savings in mixed mode, mono/stereo applications.

The MAX4410 operates from a single 1.8V to 3.6V supply, consumes only 7mA of supply current, has short-circuit and thermal overload protection, and is specified over the extended -40°C to +85°C temperature range. The MAX4410 is available in a tiny (2mm x 2mm x 0.6mm), 16-bump chip-scale package (UCSP™) and a 14-pin TSSOP package.

Applications

  • Cell Phones
  • MP3 Players
  • Notebook Computers
  • PDAs
  • Portable Audio Equipment
  • Web Pads

MAX4410
80mW, DirectDrive Stereo Headphone Driver with Shutdown
MAX4410: Typical Application Circuit
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Hardware Ecosystem

Parts Product Life Cycle Description
Audio Amplifiers 1
MAX97220A PRODUCTION Differential Input DirectDrive Line Drivers/Headphone Amplifiers
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