{"product_id":"pam8302-2-5w-single-channel-class-d-audio-power-amplifier-module-development-board","title":"PAM8302 2.5W single channel Class D Audio power amplifier module development board","description":"\u003ch1\u003eSPECIFICATIONS\u003c\/h1\u003e\u003cp\u003e\u003cspan\u003eApplication\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eComputer\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eBrand Name\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eSTJF\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eChoice\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eyes\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eCondition\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eNew\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eDissipation Power\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003e...\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eFunctions\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eElectronic Module\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eHigh-concerned chemical\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003enone\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eOrigin\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eMainland China\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003ePackage\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eDIY Module\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eRange of application\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eSwitch And Sensor For Arduino STM\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eSupply Voltage\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003e...\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eType\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eModule\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003esemi_Choice\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eyes\u003c\/span\u003e\u003c\/p\u003e\u003cdiv class=\"detailmodule_html\"\u003e\u003cdiv class=\"detail-desc-decorate-richtext\"\u003e\u003cspan style=\"font-size:28px;\"\u003e\u003cp data-spm-anchor-id=\"2013.1.0.i4.3f6e1dfaer59lD\" style=\"background-color:#ffffff;box-sizing:border-box;color:#000000;\" font-size:13px\u003e\u003cspan style=\"font-size:28px;\"\u003eThis super small mono amplifier is surprisingly powerful - able to deliver up to 2.5 Watts into 4-8 ohm impedance speakers. Inside the\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-spm-anchor-id=\"2013.1.0.i4.3f6e1dfaer59lD\" style=\"background-color:#ffffff;box-sizing:border-box;color:#000000;\" font-size:13px\u003e\u003cspan style=\"font-size:28px;\"\u003e 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\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-spm-anchor-id=\"2013.1.0.i4.3f6e1dfaer59lD\" style=\"background-color:#ffffff;box-sizing:border-box;color:#000000;\" font-size:13px\u003e\u003cspan style=\"font-size:28px;\"\u003e 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-cu\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-spm-anchor-id=\"2013.1.0.i4.3f6e1dfaer59lD\" style=\"background-color:#ffffff;box-sizing:border-box;color:#000000;\" font-size:13px\u003e\u003cspan style=\"font-size:28px;\"\u003errent 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 th\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-spm-anchor-id=\"2013.1.0.i4.3f6e1dfaer59lD\" style=\"background-color:#ffffff;box-sizing:border-box;color:#000000;\" font-size:13px\u003e\u003cspan style=\"font-size:28px;\"\u003ee default 24dB gain. This board is a welcome upgrade to basic \"LM386\" amps! CJMCU\u003c\/span\u003e\u003cbr style=\"box-sizing:border-box;\"\u003e\u003cbr style=\"box-sizing:border-box;\"\u003e\u003cspan style=\"font-size:28px;\"\u003eThe A+ and A- inputs of the amplifier go through 1.0uF capacitors, so they are fully 'differential' - if you don't have differential outputs, sim\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-spm-anchor-id=\"2013.1.0.i4.3f6e1dfaer59lD\" style=\"background-color:#ffffff;box-sizing:border-box;color:#000000;\" font-size:13px\u003e\u003cspan style=\"font-size:28px;\"\u003eply tie the Audio- pin  to ground. The output is \"Bridge Tied\" - that means the output pins connect directly to the speaker pins, no connectio\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-spm-anchor-id=\"2013.1.0.i4.3f6e1dfaer59lD\" style=\"background-color:#ffffff;box-sizing:border-box;color:#000000;\" font-size:13px\u003e\u003cspan style=\"font-size:28px;\"\u003en to ground. The output is a high frequency 250KHz square wave PWM that is then 'averaged out' by the speaker coil - the high frequencie\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-spm-anchor-id=\"2013.1.0.i4.3f6e1dfaer59lD\" style=\"background-color:#ffffff;box-sizing:border-box;color:#000000;\" font-size:13px\u003e\u003cspan style=\"font-size:28px;\"\u003es are not heard. All the above means that you can't connect the output into another amplifier, it should drive the speakers directly. CJMCU\u003c\/span\u003e\u003cbr style=\"box-sizing:border-box;\"\u003e\u003cbr style=\"box-sizing:border-box;\"\u003e\u003cspan style=\"font-size:28px;\"\u003eComes with a fully assembled and tested breakout board. We also include header to plug it into a breadboard and a 3.5mm screw-terminal\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-spm-anchor-id=\"2013.1.0.i4.3f6e1dfaer59lD\" style=\"background-color:#ffffff;box-sizing:border-box;color:#000000;\" font-size:13px\u003e\u003cspan style=\"font-size:28px;\"\u003e blocks so you can easily attach\/detach your speaker. You will be ready to rock in 15 minutes! \u003c\/span\u003e\u003cb style=\"box-sizing:border-box;\"\u003e\u003cspan style=\"font-size:28px;\"\u003eSpeaker is not included, use any 4 ohm\u003c\/span\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003cp data-spm-anchor-id=\"2013.1.0.i4.3f6e1dfaer59lD\" style=\"background-color:#ffffff;box-sizing:border-box;color:#000000;\" font-size:13px\u003e\u003cb style=\"box-sizing:border-box;\"\u003e\u003cspan style=\"font-size:28px;\"\u003eor greater impedance speaker.\u003c\/span\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003cul style=\"background-color:#ffffff;box-sizing:border-box;color:#000000;\" font-size:13px\u003e\n\u003cli style=\"box-sizing:border-box;list-style-position:outside;list-style-type:disc;margin:0px;padding:0px;word-break:break-all;\"\u003e\u003cspan style=\"font-size:28px;\"\u003eOutput Power: 2.5W at 4Ω, 10% THD, 1.5W at 8Ω, 10% THD, with 5.5V Supply\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"box-sizing:border-box;list-style-position:outside;list-style-type:disc;margin:0px;padding:0px;word-break:break-all;\"\u003e\n\u003c\/li\u003e\n\u003cli style=\"box-sizing:border-box;list-style-position:outside;list-style-type:disc;margin:0px;padding:0px;word-break:break-all;\"\u003e\u003cspan style=\"font-size:28px;\"\u003e50dB PSRR at 1KHz\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"box-sizing:border-box;list-style-position:outside;list-style-type:disc;margin:0px;padding:0px;word-break:break-all;\"\u003e\n\u003c\/li\u003e\n\u003cli style=\"box-sizing:border-box;list-style-position:outside;list-style-type:disc;margin:0px;padding:0px;word-break:break-all;\"\u003e\u003cspan style=\"font-size:28px;\"\u003eFilterless design, with ferrite bead + capacitors on output.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"box-sizing:border-box;list-style-position:outside;list-style-type:disc;margin:0px;padding:0px;word-break:break-all;\"\u003e\n\u003c\/li\u003e\n\u003cli style=\"box-sizing:border-box;list-style-position:outside;list-style-type:disc;margin:0px;padding:0px;word-break:break-all;\"\u003e\u003cspan style=\"font-size:28px;\"\u003eFixed 24dB gain, onboard trim potentiometer for adjusting input volume.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"box-sizing:border-box;list-style-position:outside;list-style-type:disc;margin:0px;padding:0px;word-break:break-all;\"\u003e\n\u003c\/li\u003e\n\u003cli style=\"box-sizing:border-box;list-style-position:outside;list-style-type:disc;margin:0px;padding:0px;word-break:break-all;\"\u003e\u003cspan style=\"font-size:28px;\"\u003eThermal and short-circuit\/over-current protection\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"box-sizing:border-box;list-style-position:outside;list-style-type:disc;margin:0px;padding:0px;word-break:break-all;\"\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cul style=\"background-color:#ffffff;box-sizing:border-box;color:#000000;\" font-size:13px\u003e\n\u003cli style=\"box-sizing:border-box;list-style-position:outside;list-style-type:disc;margin:0px;padding:0px;word-break:break-all;\"\u003e\u003cspan style=\"font-size:28px;\"\u003eLow current draw: 4mA quiescent and 1uA in shutdown mode\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"box-sizing:border-box;list-style-position:outside;list-style-type:disc;margin:0px;padding:0px;word-break:break-all;\"\u003e\u003cspan style=\"font-size:28px;\"\u003e\u003cp\u003e\u003cimg data-src=\"https:\/\/ae01.alicdn.com\/kf\/S6442601830ba42e180f4d502ecc05747S.jpg\" src=\"https:\/\/ae01.alicdn.com\/kf\/S6442601830ba42e180f4d502ecc05747S.jpg\" style=\"width:1000px;\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg data-src=\"https:\/\/ae01.alicdn.com\/kf\/Se9f2dbc4a06a45398eb34820713dbb83b.jpg\" src=\"https:\/\/ae01.alicdn.com\/kf\/Se9f2dbc4a06a45398eb34820713dbb83b.jpg\" style=\"width:1000px;\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg data-src=\"https:\/\/ae01.alicdn.com\/kf\/Sc0ca4b5351294278ad96e22359af08aeX.jpg\" src=\"https:\/\/ae01.alicdn.com\/kf\/Sc0ca4b5351294278ad96e22359af08aeX.jpg\" style=\"width:1000px;\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg data-src=\"https:\/\/ae01.alicdn.com\/kf\/Sc4dcbb23b750451e8793a6d8d451c9adG.jpg\" src=\"https:\/\/ae01.alicdn.com\/kf\/Sc4dcbb23b750451e8793a6d8d451c9adG.jpg\" style=\"width:1000px;\"\u003e\u003c\/p\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003c\/span\u003e\u003c\/div\u003e\u003c\/div\u003e\r\n","brand":"Yoeruyo","offers":[{"title":"Default Title","offer_id":55374647984427,"sku":"\u003cnone\u003e","price":8.64,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1000\/5744\/8747\/files\/S20c1363de6394d23ae263c53f139e516O.webp?v=1788326225","url":"https:\/\/yoeruyo.com\/products\/pam8302-2-5w-single-channel-class-d-audio-power-amplifier-module-development-board","provider":"Yoeruyo","version":"1.0","type":"link"}