{"product_id":"hi-efficient-20w-mono-class-d-audio-amplifier","title":"Hi-Efficient 20W Mono Class-D Audio Amplifier","description":"\u003cp\u003eThis is a Hi-Efficient 20W mono Class-D audio amplifier, designed to drive speakers as low as 4 ohms in a bridge-tied-load configuration. Due to the low power dissipation and high efficiency of up to\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e90%\u003c\/strong\u003e, the module doesn’t require a heatsink. The project is built using\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003ePAM8320\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003echip which features short circuit protection, thermal shutdown, over-voltage protection and under-voltage lock-out. Ferrite-Bead is provided on the output of the speaker connection to eliminate EMI. Connect SD to a high and MUTE to a low for normal operation.\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eOperates from 4.5V to 15V\u003c\/li\u003e\n\u003cli\u003e20W into 4Ω BTL Load from 12V Supply\u003c\/li\u003e\n\u003cli\u003eSingle-Ended Analog Input\u003c\/li\u003e\n\u003cli\u003eNo Pop Noise for Start-up and Shut-down Sequences\u003c\/li\u003e\n\u003cli\u003eOutput Power at 1% THD+N (1Khz) @ 15W Output\u003c\/li\u003e\n\u003cli\u003eInternal Oscillator (No External Components Required)\u003c\/li\u003e\n\u003cli\u003eHighly Efficient Class-D Operation Eliminates Need for Heat Sinks\u003c\/li\u003e\n\u003cli\u003eThermal and Short-Circuit Protection with Auto Recovery\u003c\/li\u003e\n\u003cli\u003eOver Voltage Protection and Under Voltage Lock-out\u003c\/li\u003e\n\u003cli\u003eScrew Terminal for Speak and Power Connections\u003c\/li\u003e\n\u003cli\u003eOn Board Trimmer Potentiometer for Volume Control\u003c\/li\u003e\n\u003cli\u003eOn Board Jumpers for Shutdown and Mute Functions\u003c\/li\u003e\n\u003cli\u003eOn Board Power LED\u003c\/li\u003e\n\u003cli\u003eHeader Connector for Audio Input\u003c\/li\u003e\n\u003cli\u003ePCB Dimensions 39.53 x 33.97 mm\u003c\/li\u003e\n\u003cli\u003e2 x 3 mm PCB Mounting Holes\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"dotfry","offers":[{"title":"Default Title","offer_id":47036728967340,"sku":"A108","price":9.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0757\/6436\/7532\/files\/A108A.jpg?v=1787566643","url":"https:\/\/dotfry.com\/products\/hi-efficient-20w-mono-class-d-audio-amplifier","provider":"dotfry","version":"1.0","type":"link"}