← All parts
Stereo 3 7W Class D Audio Amplifier
Adafruit
A small, efficient stereo Class D amplifier capable of delivering up to 3.7W into 3Ω speakers with built-in protection and selectable gains.
In stock
Specifications
3- Output Power
- 3.7W at 3Ω, 10% THD, 1.7W at 8Ω, 10% THD with 5V Supply
- Operating Voltage
- 2.7V-5.5VDC
- Dimensions
- Not explicitly stated
Pinout
8Low source legibility.The original manufacturer datasheet for this part was difficult to read, so this pinout may be incomplete or imperfect. Always confirm against the specific manufacturer’s datasheet before wiring.
| Pin | Name | Functions | Notes |
|---|---|---|---|
| R+ | Right Input | GPIO | Input for right channel |
| GND | Ground | GND | Ground for inputs and outputs |
| L+ | Left Input | GPIO | Input for left channel |
| VDD | Power Supply | POWER | Supply voltage input |
| ROUT | Right Output | PWM | Output for right channel |
| LOUT | Left Output | PWM | Output for left channel |
| G | Gain Selection 1 | GPIO | Pin to set gain (6dB) |
| G' | Gain Selection 2 | GPIO | Pin to set gain (9dB, 12dB, 15dB, 18dB) |
Interactive pinout
Highlight:
BOARD
Click a pin to copy its name · tap a tag above to spotlight a bus.