Maxim's headphone amplifier ICs deliver industry-leading audio quality and performance. Our DirectDrive® technology improves on conventional single-supply headphone amps with reduced solution size, cost savings, and enhanced audio quality.

All Headphone Amplifier ICs 

DirectDrive Headphone Amplifiers

DirectDrive headphone amplifiers eliminate the need for a DC-blocking capacitor required by conventional headphone amps, resulting in reduced distortion, significantly less click-and-pop, better bass performance, and savings in solution size and cost.

Maxim's Class H headphone amplifier ICs provide higher efficiency than the closest competitive Class G amplifiers. Our dual-mode DirectDrive II Class H headphone amplifiers save power by switching between two supply voltages. This technology renders a continuous signal without the glitches seen in Class G amplifiers.
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Click-and-Pop Suppressors 

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Part Number Title Document Type Date

MAXREFDES179# Reference Design Board

MAXREFDES179# Reference Design Board

The MAXREFDES179 reference design is a complete Universal Serial Bus (USB) type-C PD solution fe...

MAXREFDES9009: MAX98365 8-Channed Reference Design

Easy to use 8-channel digital input audio amplifier with a true plug and play usability.

MAXREFDES9008: C-Source Reference for Operating the DS28E50 Combined with a DS2477 from a Cortex-M4 Microcontroller

The Maxim MAXREFDES9008 is a wrist form factor, wearable design targeted for healthcare monitori...

MAXREFDES1165: 32-Channel Industrial Digital I/O Module

The MAXREFDES1165 is a complete, 32-channel industrial digital I/O module comprising 16 digital ...

MAXREFDES178 and Artificial Intelligence Applications

This document describes the cube camera development platform based on the MAX78000 and MAX32666.

MAXREFDES1284: Himalaya Power Evaluation Platform

Himalaya Power Evaluation Platform provides a proven design to evaluate 12 different high-effici...

MAXREFDES105#: Wrist-Based SpO2, Heart Rate (HR), and Heart Rate Variability (HRV) Health Sensor Platform

The MAXREFDES105# is a wrist-worn wearable reference design for heart-rate, heart-rate variabili...

MAXREFDES9004: C-source Reference for Operating the DS2485 Combined with a DS28E18 from a Cortex-M4 Microcontroller

The MAXREFDES9004 is a reference design showcasing the DS2485 features integrated with an Arm® C...

MAXREFDES1233: 1.8V/10A Core Power Supply for CPUs, Microcontrollers, FPGAs, or DDR2 Interfaces Using the MAX20710

The MAXREFDES1233 provides the internal core voltage (VCCINT) for CPUs, microcontrollers, FPGAs,...

MAXREFDES1238: Scalable, Single Input, 6 Output, Power Solution for the Versal ACAP Platform

In this design a single 12V input supplies a circuit which outputs 6 separate rails ranging from...

MAXREFDES1263: True Wireless Stereo Cradle and Earbuds

This solution demonstrates a small size, low power, high effective, high accuracy power manageme...

MAXREFDES165# Four-Channel IO-Link Master

The MAXREFDES165# is a fully IO-Link®-compliant, 4-port IO-Link master reference design. This de...

MAXREFDES1257: 24W/48V DC-DC Boost Converter Using the MAX17597 Peak-Current-Mode Controller

The MAXREFDES1257 is a DC-DC boost power supply that delivers up to 500mA at 48V from an 8V to 1...

MAXREFDES1264: Digitally Controlled Sine-Wave Generator Using the MAX32630FTHR and MAX7400

The MAXREFDES1264 is a reference design for the MAX32630FTHR and MAX7404 produces an accurate va...

MAXREFDES1253: Miniature 17V, 0.75A No Opto Flyback DC to DC Converter Using the MAX17690

The MAXREFDES1253 illustrates techniques using the No Opto Flyback converter to generate isolate...

MAXREFDES185# Configurable IO with Safety Monitoring

The MAXREFDES185# configurable IO reference design demonstrates a fully software-configurable un...

MAXREFDES1034: High-Efficiency Power Supply for TVs Using MAX17506

The MAXREFDES1034 is an auxiliary power supply for TV applications. This design provides a 5V ou...

MAXREFDES1018: Boost, Single-Output, DC-DC Converter, 1V to 3.3V Input, 13.5V/6mA Output

The MAX1606 is a step-up DC-DC converter that contains a 0.5A internal power switch and a 0.5A o...

MAXREFDES1105: Miniature, 5V/2A, Synchronous, No-Opto Flyback DC-DC Converter with 90.4% Efficiency Using MAX17690 and MAX17606

Due to its simplicity and low cost, the flyback converter is the preferred choice for low-to-med...
MAXREFDES1177: PoE Powered Device and 12V/600mA No-Opto Flyback DC-DC Converter Using the MAX17690 and MAX5969B

MAXREFDES1177: PoE Powered Device and 12V/600mA No-Opto Flyback DC-DC Converter Using the MAX17690 and MAX5969B

Power over Ethernet (PoE) is a technology that allows network cables to deliver power to a power...