If the HW-104 is unavailable or does not meet your power requirements, consider these pin-compatible or improved modules:
The is a versatile, low-cost solution for adding stereo audio playback to battery-powered projects. While no centralized, manufacturer-issued HW-104 datasheet exists, the technical details presented here – derived from the PAM8403 IC datasheet and practical testing – provide all the necessary information for safe and effective use. hw-104 amplifier datasheet
| Module | IC | Power | Supply | Features | |--------|----|-------|--------|----------| | HW-104 | PAM8403 | 2×3W | 5V | Filterless, SD pin | | MAX98306 | MAX98306 | 2×3.7W | 5V | Higher efficiency, volume control | | Adafruit 987 | TPA2016 | 2×2.8W | 5V | Integrated boost converter | | PAM8610 | PAM8610 | 2×10W | 12V | Higher power, heatsink required | If the HW-104 is unavailable or does not
Remember to respect the BTL output configuration, keep the supply voltage below 5.5V, and provide adequate decoupling. With these precautions, the HW-104 delivers clean, efficient audio amplification for countless DIY applications. With these precautions, the HW-104 delivers clean, efficient
The HW-104 amplifier datasheet provides detailed information about the component's electrical characteristics, mechanical specifications, and operating conditions. Here is a summary of the key parameters:
The HW-104 module itself is small and relies on the copper traces for heat dissipation. For continuous operation at 3W per channel: