PAM8403 is an Amplifier Board which can be powered using simple 5V input and could drive two 3W + 3W stereo speakers. It is an excellent choice, who wants a Class-D stereo audio amplifier in small board space. This Amplifier allows the user to achieve high-quality audio reproduction from a stereo input. Additionally, it has a special feature that is, it can drive speakers directly from its output.
Pin Description:
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Pin Name
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Description
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L
|
Audio Jack (TRS-Tip) Left Channel Input
|
|
Gnd
|
Audio Jack (TRS-Sleeve) Ground Channel Input
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R
|
Audio Jack (TRS-Ring) Right Channel Input
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|
5v(+)
|
5v DC Power VDD
|
|
5v(-)
|
5v DC Power GND
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|
L(+)
|
Left Channel Positive Output
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|
L(-)
|
Left Channel Negative Output
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R(+)
|
Right Channel Positive Output
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R(-)
|
Right Channel Negative Output
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Features:
- Operating Voltage: Wide power supply ranges from 2.5V to 5.5V DC
- Dual-channel stereo with high output power (3W+3W Output at 10% THD with a 4Ω Load @5v DC)
- Max Gain 24 dB.
- Filterless architecture
- Low Quiescent Current and Low EMI
- Operating Temperature: -40 to +85°C
- Short Circuit Protection
- Thermal Shutdown
- Superior Low Noise
- Efficiency up to 90%
- Dimensions (LxWxH) in cm 2.1 x 1.8 x .3
Applications:
- Speaker output in LCD Monitors / TV Projectors
- Speaker output amplifier in Notebook Computers
- Can be used for Portable Speakers, Portable DVD Players, Game Machines
- Any possible amplifier-based project where small space and 5V output is available.
