The HXJ8002 is a mini, single-channel audio power amplifier module that provides up to 3 watts of output. Its small size, high-fidelity audio output, and low power consumption make it ideal for a variety of DIY electronics projects.Specifications:Chip: Onboard HXJ8002 BTL (bridge-tied load) audio power amplifier chip.Channels: Single (mono).Output Power:3W for a 3Ω load.2.5W for a 4Ω load.1.5W for an 8Ω load.Operating Voltage: 2.0V to 5.5V, making it suitable for battery-powered devices.Standby Current: 0.6µA (typical), ensuring efficient power usage.Dimensions: Approximately 19.8mm x 14.2mm.Distortion: Low total harmonic distortion (THD), with less than 0.5% at 1W output with an 8Ω load.Other features: Built-in thermal protection to prevent overheating. Applications:The module’s compact and efficient design is useful for a wide range of audio applications, including:Portable audio devices: Enhancing the sound from MP3 players or smartphones.DIY audio projects: Creating custom audio systems.Embedded systems: Integrating audio output into small electronics.Portable speakers: Powering small, battery-operated speakers.Educational kits: Used in learning modules related to audio electronics.Advantages:Space-saving design: The small form factor requires minimal external components, simplifying circuit design.Minimalistic design: It doesn’t require a coupling capacitor, bootstrap capacitor, or buffer network, which reduces costs and saves board space.Energy-efficient: The low standby current is great for battery-powered projects.Datasheet:www.openimpulse.com/blog/wp-content/uploads/wpsc/downloadables/HXJ8002-Miniature-Audio-Amplifier-Datasheet.pdf
