[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"detail-sidebar-cat-0-en-105":3,"doc-seo-561883-105":59,"doc-detail-561883-en":130},{"code":4,"msg":5,"data":6},0,"success",[7,13,18,23,28,33,38,43,48,51,55],{"id":8,"doc_module":4,"doc_module_name":9,"category_name":10,"show_sort_weight":11,"slug":12},1,"Document","Story & Novel",90,"story-novel",{"id":14,"doc_module":4,"doc_module_name":9,"category_name":15,"show_sort_weight":16,"slug":17},2,"Literature",80,"literature",{"id":19,"doc_module":4,"doc_module_name":9,"category_name":20,"show_sort_weight":21,"slug":22},4,"Exam",70,"exam",{"id":24,"doc_module":4,"doc_module_name":9,"category_name":25,"show_sort_weight":26,"slug":27},5,"Comic",60,"comic",{"id":29,"doc_module":4,"doc_module_name":9,"category_name":30,"show_sort_weight":31,"slug":32},6,"Technology",50,"technology",{"id":34,"doc_module":4,"doc_module_name":9,"category_name":35,"show_sort_weight":36,"slug":37},7,"Healthcare",40,"healthcare",{"id":39,"doc_module":4,"doc_module_name":9,"category_name":40,"show_sort_weight":41,"slug":42},8,"Research & Report",30,"research-report",{"id":44,"doc_module":4,"doc_module_name":9,"category_name":45,"show_sort_weight":46,"slug":47},9,"Religion & Spirituality",20,"religion-spirituality",{"id":46,"doc_module":4,"doc_module_name":9,"category_name":49,"show_sort_weight":46,"slug":50},"World Cup","world-cup",{"id":52,"doc_module":4,"doc_module_name":9,"category_name":53,"show_sort_weight":52,"slug":54},10,"Lifestyle","lifestyle",{"id":56,"doc_module":4,"doc_module_name":9,"category_name":57,"show_sort_weight":24,"slug":58},19,"General","general",{"code":4,"msg":60,"data":61},"ok",{"site_id":62,"language":63,"slug":64,"title":65,"keywords":66,"description":67,"schema_data":68,"social_meta":123,"head_meta":125,"extra_data":127,"updated_unix":129},105,"en","tda7294-100v-100w-dmos-audio-amplifier-description","TDA7294 - 100V-100W DMOS Audio Amplifier - Description","","TDA7294 is a monolithic Multiwatt15 DMOS audio power amplifier intended for Hi‑Fi class AB use across a very high supply voltage range (±40 V). The design targets up to 100 W music power into 4 Ω and 8 Ω loads, including with poor supply regulation, and includes supply voltage rejection. Built-in muting and stand-by functions with turn-on delay reduce remote switching noise, while protections cover short-circuit protection and thermal shutdown. Specifications include low distortion and low noise performance, plus detailed electrical characteristics, thermal data, and application component guidance.",{"@graph":69,"@context":122},[70,84,105],{"@type":71,"itemListElement":72},"BreadcrumbList",[73,77,79,82],{"item":74,"name":75,"@type":76,"position":8},"https://docshare.wps.com","Home","ListItem",{"item":78,"name":9,"@type":76,"position":14},"https://docshare.wps.com/document/",{"item":80,"name":35,"@type":76,"position":81},"https://docshare.wps.com/document/healthcare/",3,{"item":83,"name":65,"@type":76,"position":19},"https://docshare.wps.com/document/tda7294-100v-100w-dmos-audio-amplifier-description/561883/",{"url":83,"name":65,"@type":85,"image":86,"author":91,"headline":65,"publisher":94,"fileFormat":97,"inLanguage":63,"description":67,"dateModified":98,"datePublished":99,"encodingFormat":97,"isAccessibleForFree":100,"interactionStatistic":101},"DigitalDocument",{"url":87,"@type":88,"width":89,"height":90},"https://docshare.wps.com/thumbnails/tda7294-100v-100w-dmos-audio-amplifier-description/561883.png","ImageObject",300,407,{"name":92,"@type":93},"Fans","Person",{"url":74,"name":95,"@type":96},"DocShare","Organization","application/pdf","2026-10-17","2026-10-12",true,{"@type":102,"interactionType":103,"userInteractionCount":19},"InteractionCounter",{"@type":104},"ViewAction",{"@type":106,"mainEntity":107},"FAQPage",[108,114,118],{"name":109,"@type":110,"acceptedAnswer":111},"What is the main use of the TDA7294?","Question",{"text":112,"@type":113},"TDA7294 is intended for audio class AB amplification in Hi‑Fi applications such as home stereo systems, self-powered loudspeakers, and high-end TVs.","Answer",{"name":115,"@type":110,"acceptedAnswer":116},"How do the mute and stand-by functions help in operation?",{"text":117,"@type":113},"The built-in muting function with turn-on delay simplifies remote operation and avoids switching on/off noise.",{"name":119,"@type":110,"acceptedAnswer":120},"What protections are included in the TDA7294?",{"text":121,"@type":113},"Short circuit protection and thermal shutdown are included to protect the device under fault and overheating conditions.","https://schema.org",{"og:url":83,"og:type":124,"og:title":65,"og:site_name":95,"og:description":67},"article",{"robots":126,"canonical":83},"index,follow",{"doc_id":128,"site_id":62},561883,1791879818,{"code":4,"msg":5,"data":131},{"doc_id":128,"user_id":132,"nickname":92,"user_avatar":133,"doc_module":4,"category_id":34,"category_name":35,"doc_title":65,"doc_description":67,"doc_content":134,"file_id":135,"file_url":136,"file_type":137,"file_size":138,"view_count":19,"is_deleted":4,"is_public":8,"is_downloadable":8,"audit_status":8,"page_count":139,"language":140,"language_code":63,"site_id":62,"html_lang":63,"table_of_contents":141,"faqs":142,"seo_title":143,"seo_description":67,"update_tm":144,"read_time":36},5909892330395,"https://ap-avatar.wpscdn.com/davatar_6f874abed73319feea01a86fa6f0fab8","TDA7294  \n100V-100W DMOS AUDIO AMPLIFIER WITH MUTE/ST-BY  \nVERY HIGH OPERATING VOLTAGE RANGE (±40V)  \nDMOS POWER STAGE  \nHIGH OUTPUT POWER (UP TO 100W MUSIC POWER)  \nMUTING/STAND-BY FUNCTIONS  \nNO SWITCH ON/OFF NOISE  \nNO BOUCHEROT CELLS  \nVERY LOW DISTORTION  \nVERY LOW NOISE  \nSHORT CIRCUIT PROTECTION  \nTHERMAL SHUTDOWN  \nDESCRIPTION  \nThe TDA7294 is a monolithic integrated circuit in Multiwatt15 package, intended for use as audio class AB amplifier in Hi-Fi field applications (Home Stereo, self powered loudspeakers, Topclass TV) . Thanks to the wide voltage range and  \nMULTIPOWER BCD TECHNOLOGY  \nMultiwatt15  \nORDERING NUMBER: TDA7294V  \nto the high out current capability it is able to supply the highest power into both 4Ω and 8Ω loadseven in presence of poor supply regulation, with high Supply Voltage Rejection.  \nThe built in muting function with turn on delay simplifies the remote operation avoiding switching on-off noises.  \nFigure 1: Typical Application and Test Circuit  \nC7 100nF +Vs C6 1000µF  \nR3 22K  \nC2  \n22µF  \nR2  \n680Ω  \nIN- 2  \nTDA7294  \n+Vs +PWVs  \n7 13  \n-  \nC1 470nF  \nIN+ 3  \nR1 22K  \nIN+MUTE 4  \nR5 10K MUTE 10 VM  \nSTBY 9  \nVSTBY  \nR4 22K  \nC3 10µF C4 10µF  \nFebruary 1996  \n+  \nMUTE  \nSTBY  \nTHERMAL SHUTDOWN  \n14  \n6  \nS/C PROTECTION  \nOUT  \nC5 22µF  \nBOOTSTRAP  \n1 8 15 STBY-GND -Vs -PWVs  \nC9 100nF  \n-Vs  \nC8  \n1000µF  \nD93AU011  \n1/16  \nTDA7294  \nPIN CONNECTION (Top view)  \nTAB connected to-VS  \nBLOCK DIAGRAM  \nABSOLUTE MAXIMUM RATINGS  \nSymbol  \nVS  \nIO  \nPtot  \nTop Tstg, Tj  \n2/16  \nParameter  \nSupply Voltage (No Signal)  \nOutput Peak Current  \nPower Dissipation Tcase = 70°C Operating Ambient Temperature Range Storage and Junction Temperature  \nValue  \n±50  \n10  \n500 to 70  \n150  \nUnit  \nV  \nA  \nW  \n°C  \n°C  \nTDA7294  \nTHERMAL DATA  \nSymbol  \nRth j-case  \nDescription  \nThermal Resistance Junction-case  \nMax  \nValue  \n1.5  \nUnit  \n°C/W  \nELECTRICAL CHARACTERISTICS (Refer to the Test Circuit VS = ±35V, RL = 8Ω, GV = 30dB; Rg = 50 Ω; Tamb =25 °C, f = 1 kHz; unless otherwise specified.  \nSymbol  \nVS  \nIq  \nIb  \nVOS  \nIOS  \nPO  \nd  \nSR  \nGV  \nGV  \neN  \nfL , fH  \nRi  \nSVR  \nTS  \nParameter  \nSupply Range Quiescent Current  \nInput Bias Current  \nInput Offset Voltage Input Offset Current  \nRMS Continuous Output Power  \nMusic Power (RMS)  \nIEC268 .3 RULES- ∆t = 1s (*)  \nTotal Harmonic Distortion (**)  \nSlew Rate  \nOpen Loop Voltage Gain Closed Loop Voltage Gain Total Input Noise  \nFrequency Response (-3dB) Input Resistance  \nSupply Voltage Rejection Thermal Shutdown  \nTest Condition  \nd = 0.5%:  \nVS = ± 35V, RL = 8Ω  \nVS = ± 31V, RL = 6Ω  \nVS = ± 27V, RL = 4Ω d = 10%  \nRL = 8Ω ; VS = ±38V  \nRL = 6Ω ; VS = ±33V  \nRL = 4Ω ; VS = ±29V (***) PO = 5W; f = 1kHz  \nPO = 0 . 1 to 50W; f = 20Hz to 20kHz VS = ±27V, RL = 4Ω:  \nPO = 5W; f = 1kHz  \nPO = 0 . 1 to 50W; f = 20Hz to 20kHz  \nA = curve  \nf = 20Hz to 20kHz  \nPO = 1W  \nf = 100Hz; Vripple = 0.5Vrms  \nMin.  \n± 10  \n20  \n60  \n60  \n60  \n7  \n24  \n100  \n60  \nTyp.  \n30  \n70  \n70  \n70  \n100  \n100  \n100  \n0.005  \n0.01  \n10  \n80  \n30  \n1  \n2  \nMax.  \n±40  \n60  \n500  \n+10  \n+100  \n0.1  \n0.1  \n40  \n5  \n20Hz to 20kHz  \n75145  \nSTAND-BY FUNCTION (Ref: -VS or GND)  \nVST on  \nVST off ATTst-by Iq st-by  \nStand-by on Threshold  \nStand-by off Threshold  \nStand-by Attenuation  \nQuiescent Current @ Stand-by  \n3.5  \n70  \n90  \n1  \n1.5  \n3  \nMUTE FUNCTION (Ref: -VS or GND)  \nVMon  \nVMoff ATTmute  \nMute on Threshold  \nMute off Threshold  \nMute AttenuatIon  \n3.5  \n60  \n1.5  \n80  \nUnit  \nV  \nmA  \nnA  \nmV  \nnA  \nW  \nW  \nW  \nW  \nW  \nW  \n%%  \n%%  \nV/µs  \ndB  \ndB  \nµV  \nµV  \nkΩ  \ndB  \n°C  \nV  \nV  \ndB  \nmA  \nV  \nV  \ndB  \nNote (*):  \nMUSIC POWER CONCEPT  \nMUSIC POWER is the maximal power which the amplifier is capable of producing across the rated load resistance (regardless of non linearity)  \n1 sec after the application of a sinusoidal input signal of frequency 1KHz.  \nNote (**): Tested with optimized Application Board (see fig. 2)  \nNote (***): Limited by the max. allowable current.  \n3/16  \nTDA72","cbCaiiBuveNtJElV","https://ap.wps.com/l/cbCaiiBuveNtJElV","pdf",381894,16,"English","# Description\n## Typical Application and Test Circuit\n## Absolute Maximum Ratings\n## Thermal Data\n## Electrical Characteristics\n## Stand-by Function\n## Mute Function\n## Music Power Concept\n## Application Suggestions\n## Typical Characteristics","[{\"question\":\"What is the main use of the TDA7294?\",\"answer\":\"TDA7294 is intended for audio class AB amplification in Hi‑Fi applications such as home stereo systems, self-powered loudspeakers, and high-end TVs.\"},{\"question\":\"How do the mute and stand-by functions help in operation?\",\"answer\":\"The built-in muting function with turn-on delay simplifies remote operation and avoids switching on/off noise.\"},{\"question\":\"What protections are included in the TDA7294?\",\"answer\":\"Short circuit protection and thermal shutdown are included to protect the device under fault and overheating conditions.\"}]","TDA7294 - 100V-100W DMOS Audio Amplifier - Description | PDF",1791807170]