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Audio codecs (coder/decoders) are a type of audio data converters that encode analog audio as digital signals and decode digital audio back into analog. Audio codecs contain both an analog-to-digital converter (ADC) and a digital-to-analog converter (DAC). Our Audio ADCs offer some of the best SNR and THD specifications in the industry.

Maxim Integrated's innovative digital audio data converter ICs deliver extremely high SNR and low THD+N performance at low supply voltages while providing flexible clocking, broad sampling-rate support and, in select products, integration of our DirectDrive® headphone amplifiers.

Audio Codecs

Our high-performance, low-power stereo audio codec ICs are designed for portable consumer applications such as smartphones, tablets, portable gaming systems, and portable media devices. Maxim also provides audio codec ICs for wireless voice headsets and other mono voice audio devices.

Many of our audio codec ICs incorporate Maxim's proprietary FlexSound audio technology. FlexSound optimizes signal level and frequency response while limiting the maximum distortion and level at the output to prevent speaker damage. The FlexSound audio signal processor provides low-power advanced signal processing, including equalization, dynamic range compression, speaker protection, microphone noise suppression during wideband calls, acoustic echo cancellation, and ambient aware outputs. FlexSound technology improves loudspeaker performance and prevents speaker damage.

All Audio Codecs 


Enhance Battery Life and Sound Quality for Hearables and Wearables with the MAX98090
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Part Number Title Document Type Date

Audio ADCs

Maxim's high-speed SAR ADCs sample up to 1.6 million samples per second, provide fully differential inputs, and offer a very high signal-to-noise ratio (SNR) and the best-in-class total harmonic distortion (THD) specification. These precision ADCs are perfect for use in professional and prosumer audio products and applications.

Audio ADCs
MAX9860: 16-Bit Mono Audio Voice Codec
MAX9867: Low-Power, Stereo Audio Codec
MAX98090: Ultra-Low Power Stereo Audio Codec
MAX98091: Ultra-Low Power Stereo Audio Codec
MAX98089: Audio Codec with FlexSound Processor

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...

MAXREFDES178 and Artificial Intelligence Applications

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

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...

MAXREFDES185# Configurable IO with Safety Monitoring

The MAXREFDES185# configurable IO reference design demonstrates a fully software-configurable un...
MAXREFDES179# Reference Design Board

MAXREFDES179# Reference Design Board

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

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...

MAXREFDES1142: Ultra miniature Two Layer 4A, 1.8V Step-Down DC-DC Converter with Integrated Switches Using MAX15051

The MAX15051 is a high-efficiency switching regulator that delivers up to 4A load current at out...

MAXREFDES1186: 7.5W 3.3V Offline Flyback Converter Using the MAX17595

The MAX17595 is a peak-current-mode controller for designing wide input-voltage flyback regulato...

MAXREFDES1043: How to Monitor SpO2 Levels Using the MAX30102

The MAXREFDES1043 is designed for SpO2 measurements based on Maxim’s new-generation biosensor—th...

MAXREFDES1122: 24W DC-DC Flyback Converter Using MAX17596

The MAX17596 is a peak-current-mode controller for designing wide input-voltage flyback regulato...

MAXREFDES1051: 24V/2A, Active Clamp Forward DC-DC Converter Using MAX17599

The MAX17599 low IQ active clamp current mode pulsewidth modulation (PWM) controller contains al...

MAXREFDES1148: 5V/2.5A, Synchronous, No-Opto Isolated PoE DC-DC Converter

Power over Ethernet (PoE) is a technology that allows network cables to deliver power to a power...
MAXREFDES1256: 49W DC-DC Flyback Converter Using MAX17597

MAXREFDES1256: 49W DC-DC Flyback Converter Using MAX17597

The MAXREFDES1256 is an isolated power supply capable of delivering 7V at up to 7A load current.
MAXREFDES1015: Minimum Component PSE Controller for Detecting IEEE 802.3af/at Devices Using MAX5971B

MAXREFDES1015: Minimum Component PSE Controller for Detecting IEEE 802.3af/at Devices Using MAX5971B

The MAX5971B is a single-port power controller designed for use in IEEE 802.3af/at-compliant pow...

MAXREFDES1165: 32-Channel Industrial Digital I/O Module

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

MAXREFDES150#: Pocket IO PLC Development Platform

Pocket IO™ integrates 30 IO's consisting of Analog I/Os, Digital I/Os, RS485, Encoder / Motor Co...