{"product_id":"tda7388-4x41w-car-audio-amplifier-ic-stereo-bridged","title":"TDA7388 4×41W Car Audio Amplifier IC – Stereo \u0026 Bridged Amplifier Chip","description":"\u003ch2\u003eTDA7388 4x41W Quad Bridge Car Audio Amplifier IC\u003c\/h2\u003e\u003cp\u003eThe \u003cstrong\u003eTDA7388\u003c\/strong\u003e is a quad bridge (BTL) audio power amplifier IC from STMicroelectronics, delivering \u003cstrong\u003e4x41W peak power\u003c\/strong\u003e (4x25W RMS at 4 ohm, 14.4V) in a Multiwatt15 package. Designed for \u003cstrong\u003ecar audio head units\u003c\/strong\u003e and \u003cstrong\u003e4-channel amplifiers\u003c\/strong\u003e, it features built-in standby\/mute, diagnostic output, and comprehensive protection in a single IC.\u003c\/p\u003e\u003ch3\u003eKey Specifications\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePart Number\u003c\/td\u003e\n\u003ctd\u003eTDA7388\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePackage\u003c\/td\u003e\n\u003ctd\u003eMultiwatt15 (ZIP-15)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSupply Voltage\u003c\/td\u003e\n\u003ctd\u003e8V - 18V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Power (Peak)\u003c\/td\u003e\n\u003ctd\u003e4x41W @ 14.4V, 4 ohm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Power (RMS, 1% THD)\u003c\/td\u003e\n\u003ctd\u003e4x25W @ 14.4V, 4 ohm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Power (RMS, 10% THD)\u003c\/td\u003e\n\u003ctd\u003e4x35W @ 14.4V, 4 ohm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFrequency Response\u003c\/td\u003e\n\u003ctd\u003e20Hz - 20kHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTHD (at 1W)\u003c\/td\u003e\n\u003ctd\u003e0.04% typical\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSignal-to-Noise Ratio\u003c\/td\u003e\n\u003ctd\u003e102dB typical\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStandby Mode\u003c\/td\u003e\n\u003ctd\u003eYes (ST-BY pin)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMute Function\u003c\/td\u003e\n\u003ctd\u003eYes (MUTE pin)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDiagnostic Output\u003c\/td\u003e\n\u003ctd\u003eYes (DIAG pin - fault indicator)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProtection\u003c\/td\u003e\n\u003ctd\u003eThermal shutdown, short-circuit, load dump, ESD\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eTDA7388 vs TDA7377A\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eFeature\u003c\/th\u003e\n\u003cth\u003eTDA7388\u003c\/th\u003e\n\u003cth\u003eTDA7377A\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChannels\u003c\/td\u003e\n\u003ctd\u003e4 (quad bridge)\u003c\/td\u003e\n\u003ctd\u003e2 (stereo bridge) or 4 (quad SE)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePeak Power\u003c\/td\u003e\n\u003ctd\u003e4x41W\u003c\/td\u003e\n\u003ctd\u003e2x30W (bridge)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDiagnostic Pin\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBest For\u003c\/td\u003e\n\u003ctd\u003e4-channel car audio\u003c\/td\u003e\n\u003ctd\u003eStereo home\/car audio\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eWhy Choose TDA7388?\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e4x41W Peak Power\u003c\/strong\u003e - Full 4-channel amplification for front\/rear speaker systems\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e0.04% THD at 1W\u003c\/strong\u003e - Excellent audio fidelity for music reproduction\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e102dB SNR\u003c\/strong\u003e - Low noise floor for clean audio in car environment\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDIAG Pin\u003c\/strong\u003e - Fault detection output for system monitoring\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComprehensive Protection\u003c\/strong\u003e - Thermal, short-circuit, load dump, and ESD protection\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eTypical Applications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eCar audio head unit 4-channel amplifier stage\u003c\/li\u003e\n\u003cli\u003eDIY 4-channel car amplifier board\u003c\/li\u003e\n\u003cli\u003eMotorcycle audio system amplifier\u003c\/li\u003e\n\u003cli\u003eMarine audio 4-channel amplifier\u003c\/li\u003e\n\u003cli\u003eHome theater surround sound amplifier (4 channels)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eTypical Application Circuit\u003c\/h3\u003e\u003cp\u003eSupply: 12V-14.4V DC. Input: AC-coupled via 1uF capacitors (4 channels). Gain: set by external resistors (typical 26dB). Bypass: 100uF on VS pin, 100nF on each supply bypass. Heatsink required: thermal resistance 2C\/W or lower for full power operation.\u003c\/p\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eQ: Can TDA7388 drive 2 ohm speakers?\u003c\/strong\u003e Not recommended - minimum load is 4 ohm. At 2 ohm, output current exceeds safe limits and thermal shutdown may activate.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ: What heatsink is needed for TDA7388?\u003c\/strong\u003e At 4x25W RMS, total dissipation is approximately 40W. Use a heatsink with thermal resistance of 1.5-2C\/W with thermal compound for reliable continuous operation.\u003c\/p\u003e\u003ch3\u003ePackage Contents\u003c\/h3\u003e\u003cul\u003e\u003cli\u003e1x TDA7388 Multiwatt15 Quad Bridge Audio Amplifier IC\u003c\/li\u003e\u003c\/ul\u003e","brand":"Keszoox","offers":[{"title":"Default Title","offer_id":46991506571499,"sku":"\u003cnone\u003e","price":8.64,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/1005\/8731\/files\/tda7388-4x41w-car-audio-amplifier-ic.webp?v=1761529838","url":"https:\/\/keszoox.com\/products\/tda7388-4x41w-car-audio-amplifier-ic-stereo-bridged","provider":"Keszoox","version":"1.0","type":"link"}