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MAX4411 - Stereo Headphone Amplifier

General Description

The MAX4411 fixed-gain, stereo headphone amplifier is designed for portable equipment where board space is at a premium.

Key Features

  • o No Bulky DC-Blocking Capacitors Required o Fixed -1.5V/V Gain Eliminates External Feedback Network MAX4411: -1.5V/V MAX4411B: -2V/V o Ground-Referenced Outputs Eliminate DC-Bias Voltages on Headphone Ground Pin o No Degradation of Low-Frequency Response Due to Output Capacitors o 80mW per Channel into 16Ω o Low 0.003% THD+N o High PSRR (86dB at 217Hz) o Integrated Click-and-Pop Suppression o 1.8V to 3.6V Single-Supply Operation o Low Quiescent Current (5mA) o Independent Left/Right, Low-Power.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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www.DataSheet4U.com 19-2618; Rev 1; 4/03 80mW, Fixed-Gain, DirectDrive, Stereo Headphone Amplifier with Shutdown General Description The MAX4411 fixed-gain, stereo headphone amplifier is designed for portable equipment where board space is at a premium. The MAX4411 uses a unique, patented 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. Additionally, the gain of the amplifier is set internally (-1.5V/V, MAX4411 and -2V/V, MAX4411B), further reducing component count. The MAX4411 delivers up to 80mW per channel into a 16 Ω load and has low 0.003% THD+N.