Adafruit STEMMA Audio Amp - Mono 2.5W Class D - PAM8302
Adafruit STEMMA Audio Amp - Mono 2.5W Class D - PAM8302 is backordered and will ship as soon as it is back in stock.
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For orders over 500g (such as bulky items), shipping may cost more than the initial estimate.
We deliver across Australia, and here are the options (based on your location; view them on the cart page):
- Standard Post: Starting at $7 (6+ business days, with tracking)
- Express Post: Starting at $11 (2+ business days, with tracking)
- Same Day Delivery: Available for Sydney orders.
- Non-metro WA, NT, SA, and TAS: May take an additional 2+ days.
A compact Class D mono amplifier that delivers up to 2.5W of audio power to 4-8 ohm speakers. Features a STEMMA JST-PH connector for plug-and-play audio input—no soldering required. Perfect for adding sound to microcontroller projects.
Highly efficient (>90%) with built-in thermal and short-circuit protection.
Key Features
- 2.5W Output – Plenty of power for small speakers
- Class D Efficiency – Over 90% efficient, minimal heat
- STEMMA Connector – Plug-and-play JST-PH audio input
- Wide Voltage Range – 2.0V to 5.5V DC operation
- Volume Control – Onboard trim potentiometer
- Built-in Protection – Thermal, short-circuit, and over-current
- Low Quiescent Current – 4mA active, 0.5mA shutdown
Specifications
- IC – PAM8302
- Output Power – 2.5W @ 4Ω, 1.5W @ 8Ω (5.5V supply)
- Gain – Fixed 24dB
- PSRR – 50dB @ 1kHz
- Operating Voltage – 2.0–5.5V DC
- Speaker Impedance – 4Ω minimum
Package Contents
- 1× STEMMA Audio Amp board
- 1× Breadboard headers
- 1× 3.5mm screw terminal block
Ideal For
- Adding audio to Raspberry Pi projects
- Microcontroller sound effects
- Portable speakers
- Alert and notification systems
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