PAM8403 CLASS-D DIGITAL AMPLIFIER
Build a small two-channel Class-D amplifier.
Use a PAM8403 module for compact stereo speaker projects powered from a suitable 2.5–5 V supply. Match the speaker load and supply to the required output level.
Before you order: Use suitable speakers and a power supply for the required output. An audio decoder may also need a separate amplifier.
Features
| Input voltage | 2.5~5V |
|---|---|
| Size | 18.5x21.1mm |
| Output power | 3W+3W; depends on supply voltage, speaker load and operating conditions. |
| Output Power | 3W+3W; depends on supply voltage, speaker load and operating conditions. |
Pinout & connections
Getting started
- Check the audio input, output and power connections.
- Connect a suitable supply and downstream speakers or amplifier.
- Test at a low volume, then adjust the controls for your application.
Frequently asked questions
Will I get the maximum listed power in every setup?
Output power depends on supply voltage, speaker impedance, signal level and thermal conditions. Select the supply and load for your required operating point.
Bulk orders & project enquiries
Need multiple units or a specific configuration? Send your quantity, project requirements and target delivery date so we can review your request.
Discuss your requirementsFor order questions, email info@longan-labs.cc. For technical support, email support@longan-labs.cc.
PAM8403 Class-D Digital Amplifier
SKU: 2080001
Volume pricing
PAM8403 CLASS-D DIGITAL AMPLIFIER
Build a small two-channel Class-D amplifier.
Use a PAM8403 module for compact stereo speaker projects powered from a suitable 2.5–5 V supply. Match the speaker load and supply to the required output level.
Before you order: Use suitable speakers and a power supply for the required output. An audio decoder may also need a separate amplifier.
Features
| Input voltage | 2.5~5V |
|---|---|
| Size | 18.5x21.1mm |
| Output power | 3W+3W; depends on supply voltage, speaker load and operating conditions. |
| Output Power | 3W+3W; depends on supply voltage, speaker load and operating conditions. |
Pinout & connections
Getting started
- Check the audio input, output and power connections.
- Connect a suitable supply and downstream speakers or amplifier.
- Test at a low volume, then adjust the controls for your application.
Frequently asked questions
Will I get the maximum listed power in every setup?
Output power depends on supply voltage, speaker impedance, signal level and thermal conditions. Select the supply and load for your required operating point.
Bulk orders & project enquiries
Need multiple units or a specific configuration? Send your quantity, project requirements and target delivery date so we can review your request.
Discuss your requirementsFor order questions, email info@longan-labs.cc. For technical support, email support@longan-labs.cc.