DESCRIPTION

· The MAX98090 is a high-performance, ultra-low power audio codec designed for portable applications.

· It features a flexible input scheme with six configurable input pins supporting analog/digital microphones, line inputs, and full-scale differential inputs.

· The device supports master clock frequencies from 256 x fS to 60MHz and digital audio interfaces including I2S, left/right-justified, and TDM.

· It integrates FlexSound® DSP technology for advanced audio processing, including biquad filters, dynamic range control, and a 7-band parametric equalizer.

· The codec includes a stereo Class D speaker amplifier and a DirectDrive® Class H headphone amplifier, both optimized for low EMI and high efficiency.

FEATURES

· 102dB DR Stereo DAC for headphone output.

· 99dB DR Stereo ADC for recording.

· Low power consumption: 3.6mW for stereo playback and 4.2mW for stereo recording.

· Supports stereo PDM digital microphone input and multiple analog microphone/line inputs.

· Integrated stereo Class D speaker amplifiers capable of driving 4Ω and 8Ω loads.

· DirectDrive® Class H headphone amplifier eliminates the need for DC-blocking capacitors.

· Comprehensive click-and-pop reduction circuitry and RF immune analog inputs/outputs.

APPLICATIONS

· Portable audio devices such as smartphones, tablets, and portable media players.

· Wearable audio devices including smartwatches and fitness trackers.

· Bluetooth headsets and wireless audio accessories.

· Embedded audio systems in IoT devices and smart home products.