PAM8403 PAM-8403 8403 2.5V To 5V 2 Channel Mini Class D 3W+3W Stereo Audio Amplifiers 2.5-5V USB Power Dual Channels 3W Digital Power Audio Amplifier

PAM8403 PAM-8403 8403 2.5V To 5V 2 Channel Mini Class D 3W+3W Stereo Audio Amplifiers 2.5-5V USB Power Dual Channels 3W Digital Power Audio Amplifier

The PAM8403 5V Two-channel Stereo is a 3W+3W, class-D audio amplifier. Allowing it to achieve high-quality sound reproduction. The new filter less architecture allows the device to drive the speaker directly, requiring no low-pass output filters, thus saving system cost and PCB area. With the same numbers of external components, the efficiency of the PAM8403 is much better than that of Class-AB cousins. It can extend the battery life, which makes it well-suited for portable applications.

Features:

• Dual channel stereo output 3 w + 3 w power Class D
• Works with 2.5V-5v power supply
• High amplification efficiency 85%
• can directly drive 4 Ω/8 Ω small speakers
• Good sound quality & noise suppression
• Unique without LC filter class D digital power board
• Can use computer USB power supply directly
• Small Size, 1.85 x 2.11 cm can easily fit in a variety of products

Specifications:

• Operating Voltage Range – 2.5V – 5.5V
• Max Gain – 24 dB
• Current Handling Capacity – 8 mA
• Efficiency – 87 %
• Amplifier IC – PAM 8403
• Load – Can direct drive 4 or 8 ohm small speakers.
• Power supply Rejection Ratio – -58 dB.
• S/N Ratio – 80 dB.
• Dimensions – 21 mm x 18 mm x 3 mm
• Weight – 1.5 gms

Note when using:

• Input audio should be via shielded wire for best performance.
• Use proper filtered power supply with good filter capacitors.
• Take care not to short speaker wires else IC will get damaged.
• Make sure power supply never execed 5.5V else IC will get damaged. Use regulated power supply.

Application:

• LCD TVs, monitors
• Laptop
• Portable Speakers
• Portable DVD players, game consoles
• Phone / speakerphone

Package included:

• 1 x PAM8403 5V 2 Channel Stereo Mini Class D 3W+3W Audio Amplifier Board