RT9123 Audio Amplifier – Elevate Your Sound Experience

Audio Class-D Audio Power Amplifiers Smart Speaker

Current Sense Amplifiers: Essential Components for Sustainability

Optimized for Chromebooks, smartwatches, trackers, motion sensor gaming devices, and VR devices, Richtek’s latest RT9123 audio amplifier delivers up to 3.2W output with THD < 10%, meeting the requirements of everyday consumer electronics.

▊ Why Choose the RT9123?

Easy Control：Supports HW mode for 8-channel surround sound. Power on/off is directly controlled via I²S — no I²C required.

Low EMI：Built-in spread-spectrum technology minimizes EMI interference.

Fast Start-Up：1ms response time, ideal for real-time applications such as motion sensor gaming feedback.

Extended Battery Life：Ultra-low quiescent power of just 10mW supports up to 64 hours of use.

High Efficiency：Silence Data Detection reduces power consumption to less than 1mW during idle.

Ultra-Low Noise：8μVrms Noise Floor offers superior dynamic range compared to similar products from other suppliers.

Compact Design ：Minimal component count and a total PCB layout of just 3.8mm²。

Choose the RT9123，for outstanding performance and reliability in your audio designs!

See RT9123

RT9123GQW-2C IC

RT9123GQW-2C EVB

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