MAX4411 - Maxim Integrated Products

MAX4411 Stereo Headphone Amplifier

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, t.

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 Shutdown Controls o Short-Circuit and Thermal-Overload Protection o ±8kV ESD-Protected Amplifier Out.