SKU: 35262387165

PAM8302 2.5W Single Channel Class D Audio Power Amplifier Module Board

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Description

PAM8302 2.5W Single Channel Class D Audio Power Amplifier Module BoardPAM8302 2. 5W Single Channel Class D Audio Power Amplifier Module Board This super small mono amplifier is surprisingly powerful able to deliver up to 2. 5 Watts into 4 8 ohm impedance speakers. Inside the miniature chip is a class D controller, able to run from 2. 0V 5. 5VDC. Since the amp is a class D, its very efficient (over 90% efficient when driving an 8 speaker at over half a Watt) making it perfect for portable and battery powered projects. It

PAM8302 2.5W Single Channel Class D Audio Power Amplifier Module Board


This super small mono amplifier is surprisingly powerful - able to deliver up to 2.5 Watts into 4-8 ohm impedance speakers. Inside the miniature chip is a class D controller, able to run from 2.0V-5.5VDC. Since the amp is a class D, its very efficient (over 90% efficient when driving an 8Ω speaker at over half a Watt) - making it perfect for portable and battery-powered projects. It has built in thermal and over-current protection but we could barely tell it got hot. There's even a volume trim pot so you can adjust the volume on the board down from the default 24dB gain. This board is a welcome upgrade to basic "LM386" amps!

The A+ and A- inputs of the amplifier go through 1.0uF capacitors, so they are fully 'differential' - if you don't have differential outputs, simply tie the Audio- pin to ground. The output is "Bridge Tied" - that means the output pins connect directly to the speaker pins, no connection to ground. The output is a high frequency 250KHz square wave PWM that is then 'averaged out' by the speaker coil - the high frequencies are not heard. All the above means that you can't connect the output into another amplifier, it should drive the speakers directly.

Comes with a fully assembled and tested breakout board. We also include header to plug it into a breadboard and a 3.5mm screw-terminal blocks so you can easily attach/detach your speaker. You will be ready to rock in 15 minutes! Speaker is not included, use any 4 ohm or greater impedance speaker.

Output Power: 2.5W at 4Ω, 10% THD, 1.5W at 8Ω, 10% THD, with 5.5V Supply
50dB PSRR at 1KHz
Filterless design, with ferrite bead + capacitors on output.
Fixed 24dB gain, onboard trim potentiometer for adjusting input volume.
Thermal and short-circuit/over-current protection
Low current draw: 4mA quiescent and 0.5mA in shutdown (due to pullup resistor on SD pin)



Package Content:
1 x PAM8302 2.5W Single Channel Class D Audio Power Amplifier Module Board



Raspberry Pi is a Trademark of the Raspberry Pi Foundation.

Product ID: EP00538

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SKU: 35262387165

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Backslash
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★★★★★ 5
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Pretty good translation into English. Far from a complete collection, but certainly a good foundation.
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Mallory
Alexandria, US
★★★★★ 3
Made for certain readers. 🤔
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Not saying it is a bad book but... I could not understand it. If you like old English writing great! I support you in that but this book was not for me.
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Miss Nikki
Cuba, US
★★★★★ 1
Old and crumbling.
Format: Hardcover
practically falling apart. Hard to read when the book is dissolving.
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Amazon Customer
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★★★★★ 4
This is actually a super cool epic
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This is actually a super cool epic. The translation is phenomenal and makes for a great easy read. Got it for a class but would totally read again
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David
Belleville, US
★★★★★ 5
great
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Mulla Nasrudin is the Br'er Rabbit, or Coyote, of the Middle East. The stories are teaching stories, and they can be very amusing, thoughtful, and thought stimulating, all at once. Idries Shah's books tend to be very well written, anyway, however the subject is simply delightful. I can't add much more than what others have said, except to say that the stories really make one think. Juha is the Arabic version, and Hoja is the Turkish version. The stories sometimes show up in Western culture, without attribution.
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Reviewed in the United States on March 16, 2012

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