{"id":68213,"date":"2023-08-18T06:00:13","date_gmt":"2023-08-18T04:00:13","guid":{"rendered":"https:\/\/botland.com.pl\/blog\/tda7294-co-to-jest-i-do-czego-jest-wykorzystywany\/"},"modified":"2026-04-08T11:08:22","modified_gmt":"2026-04-08T09:08:22","slug":"tda7294-co-je-to-a-k-cemu-se-pouziva","status":"publish","type":"post","link":"https:\/\/botland.cz\/blog\/tda7294-co-je-to-a-k-cemu-se-pouziva\/","title":{"rendered":"tda7294 &#8211; Co je to a k \u010demu se pou\u017e\u00edv\u00e1"},"content":{"rendered":"<span class=\"span-reading-time rt-reading-time\" style=\"display: block;\"><span class=\"rt-label rt-prefix\">\u010cas \u010dten\u00ed:<\/span> <span class=\"rt-time\"> 3<\/span> <span class=\"rt-label rt-postfix\">min.<\/span><\/span>\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"68213\" class=\"elementor elementor-68213 elementor-43642\" data-elementor-post-type=\"post\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-701bf86 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"701bf86\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-1fea57e\" data-id=\"1fea57e\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-f4c0811 elementor-widget elementor-widget-text-editor\" data-id=\"f4c0811\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>TDA7294 je obl\u00edben\u00fd obvod pou\u017e\u00edvan\u00fd nap\u0159\u00edklad ve v\u00fdkonov\u00fdch zesilova\u010d\u00edch pou\u017e\u00edvan\u00fdch v mnoha audio syst\u00e9mech. Zjist\u011bte, co je TDA7294 a kde se pou\u017e\u00edv\u00e1!<\/p>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-b45f3c4 elementor-widget elementor-widget-heading\" data-id=\"b45f3c4\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Co je TDA7294?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c6d2b92 elementor-widget elementor-widget-text-editor\" data-id=\"c6d2b92\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><strong>TDA7294<\/strong> je <strong>monolitick\u00fd integrovan\u00fd obvod<\/strong>, kter\u00fd se pou\u017e\u00edv\u00e1 p\u0159edev\u0161\u00edm jako kl\u00ed\u010dov\u00e1 sou\u010d\u00e1st v\u00fdkonov\u00fdch zesilova\u010d\u016f t\u0159\u00eddy AB pou\u017e\u00edvan\u00fdch <strong>v audio syst\u00e9mech<\/strong>. Obvod umo\u017e\u0148uje v\u00fdrazn\u00e9 zes\u00edlen\u00ed (a\u017e 100 W v\u00fdstupn\u00edho v\u00fdkonu) p\u0159i n\u00edzk\u00e9m \u0161umu a ru\u0161en\u00ed.<\/p>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-614cd01 elementor-widget elementor-widget-heading\" data-id=\"614cd01\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Kde se pou\u017e\u00edv\u00e1 \u010dip TDA7294?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<section class=\"elementor-section elementor-inner-section elementor-element elementor-element-cd8723e elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"cd8723e\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-659be1b\" data-id=\"659be1b\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-3a80a80 elementor-widget elementor-widget-text-editor\" data-id=\"3a80a80\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><strong>\u010cip <a href=\"\/mp3-wav-ogg-midi-prehravace\/22920-tda7294-100w-audio-zesilovac.html\" data-wpel-link=\"internal\">TDA7294<\/a><\/strong> se pou\u017e\u00edv\u00e1 p\u0159edev\u0161\u00edm p\u0159i konstrukci audio zesilova\u010d\u016f pou\u017e\u00edvan\u00fdch v syst\u00e9mech Hi-Fi, dom\u00e1c\u00edch kinech, stereo za\u0159\u00edzen\u00edch, reproduktorech a podobn\u00fdch za\u0159\u00edzen\u00edch.<\/p><p>Modul je velmi obl\u00edben\u00fd u elektronik\u016f, kte\u0159\u00ed si sami stav\u00ed <strong>audio zesilova\u010de<\/strong>, ale lze jej nal\u00e9zt i v profesion\u00e1ln\u00edch produktech dostupn\u00fdch v obchodech. O n\u011bco m\u00e9n\u011b \u010dast\u00e9, i kdy\u017e tak\u00e9 pom\u011brn\u011b roz\u0161\u00ed\u0159en\u00e9, je pou\u017eit\u00ed \u010dipu TDA7294 <strong>v automobilov\u00fdch audiosyst\u00e9mech.<\/strong><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-3e98b8b\" data-id=\"3e98b8b\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-bc8171c elementor-widget elementor-widget-image\" data-id=\"bc8171c\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/botland.com.pl\/blog\/wp-content\/uploads\/2021\/10\/duzy-ekran-scienny-w-nowoczesnym-telewizorze-do-salonu-w-luksusowym-wnetrzu-generatywnym-ai.jpg\" data-elementor-open-lightbox=\"yes\" data-elementor-lightbox-title=\"Big TV wall screen in modern living room, television set in luxu\" data-e-action-hash=\"#elementor-action%3Aaction%3Dlightbox%26settings%3DeyJpZCI6NjgwMDIsInVybCI6Imh0dHBzOlwvXC9ib3RsYW5kLmN6XC9ibG9nXC93cC1jb250ZW50XC91cGxvYWRzXC8yMDIxXC8xMFwvZHV6eS1la3Jhbi1zY2llbm55LXctbm93b2N6ZXNueW0tdGVsZXdpem9yemUtZG8tc2Fsb251LXctbHVrc3Vzb3d5bS13bmV0cnp1LWdlbmVyYXR5d255bS1haS5qcGcifQ%3D%3D\" data-wpel-link=\"internal\">\n\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"800\" height=\"576\" src=\"https:\/\/botland.cz\/blog\/wp-content\/uploads\/2021\/10\/duzy-ekran-scienny-w-nowoczesnym-telewizorze-do-salonu-w-luksusowym-wnetrzu-generatywnym-ai-1024x737.jpg\" class=\"attachment-large size-large wp-image-68002\" alt=\"\" srcset=\"https:\/\/botland.cz\/blog\/wp-content\/uploads\/2021\/10\/duzy-ekran-scienny-w-nowoczesnym-telewizorze-do-salonu-w-luksusowym-wnetrzu-generatywnym-ai-1024x737.jpg 1024w, https:\/\/botland.cz\/blog\/wp-content\/uploads\/2021\/10\/duzy-ekran-scienny-w-nowoczesnym-telewizorze-do-salonu-w-luksusowym-wnetrzu-generatywnym-ai-300x216.jpg 300w, https:\/\/botland.cz\/blog\/wp-content\/uploads\/2021\/10\/duzy-ekran-scienny-w-nowoczesnym-telewizorze-do-salonu-w-luksusowym-wnetrzu-generatywnym-ai-768x553.jpg 768w, https:\/\/botland.cz\/blog\/wp-content\/uploads\/2021\/10\/duzy-ekran-scienny-w-nowoczesnym-telewizorze-do-salonu-w-luksusowym-wnetrzu-generatywnym-ai.jpg 1080w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<div class=\"elementor-element elementor-element-9acb70d elementor-widget elementor-widget-spacer\" data-id=\"9acb70d\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-82428bb elementor-widget elementor-widget-heading\" data-id=\"82428bb\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Sch\u00e9ma a technick\u00e9 \u00fadaje TDA7294<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-dab646d elementor-widget elementor-widget-text-editor\" data-id=\"dab646d\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p style=\"text-align: justify;\">Podrobn\u00e1 sch\u00e9mata a ve\u0161ker\u00e9 technick\u00e9 \u00fadaje k t\u011bmto modul\u016fm jsou k dispozici na webov\u00fdch str\u00e1nk\u00e1ch v\u00fdrobc\u016f \u010dip\u016f TDA7294. Zde je n\u011bkolik nejd\u016fle\u017eit\u011bj\u0161\u00edch informac\u00ed:<\/p>\n<h3>Kryt<\/h3>\n<p style=\"text-align: justify;\">Modul TDA7294 je k dispozici ve standardn\u00edch krytech <strong>THT<\/strong> ve dvou variant\u00e1ch: <strong>Multiwatt15V<\/strong> a <strong>Multiwatt15H<\/strong>. Oba typy maj\u00ed t\u011bleso z um\u011bl\u00e9 hmoty a kovov\u00e9 p\u0159\u00edvody, podrobn\u00e9 \u010d\u00edslov\u00e1n\u00ed s uveden\u00fdmi p\u0159\u00edpojkami je v\u017edy k dispozici v datov\u00fdch listech poskytovan\u00fdch v\u00fdrobci.<\/p>\n<h3>Provozn\u00ed a skladovac\u00ed podm\u00ednky<\/h3>\n<p style=\"text-align: justify;\">\u010cip TDA7294 je odoln\u00fd v\u016f\u010di teplot\u00e1m a\u017e <strong>150 \u00b0C<\/strong>, z toho m\u016f\u017ee spr\u00e1vn\u011b pracovat p\u0159i teplot\u00e1ch<strong> od 0 \u00b0C do 70 \u00b0C<\/strong> (samoz\u0159ejm\u011b se doporu\u010duje pou\u017eit\u00ed vhodn\u011b \u00fa\u010dinn\u00e9ho chladi\u010de upevn\u011bn\u00e9ho speci\u00e1ln\u00ed pastou nebo tepeln\u011b vodivou p\u00e1skou).<\/p>\n<h3>V\u00fdkon a v\u00fdstupn\u00ed parametry<\/h3>\n<p style=\"text-align: justify;\">TDA7294 m\u016f\u017ee b\u00fdt nap\u00e1jen nap\u011bt\u00edm <strong>10 V a\u017e 40 V<\/strong>. Zesilova\u010d dosahuje \u0161pi\u010dkov\u00e9ho efektivn\u00edho v\u00fdkonu <strong>maxim\u00e1ln\u011b 100 W<\/strong>. Ve v\u00fdchoz\u00edm nastaven\u00ed je obvod navr\u017een pro zesilova\u010de se jmenovitou impedanc\u00ed 8 \u03a9, lze jej v\u0161ak pou\u017e\u00edt i se za\u0159\u00edzen\u00edmi s impedanc\u00ed 4 \u03a9 (konkr\u00e9tn\u00ed doporu\u010den\u00ed pro p\u0159ipojen\u00ed obvodu k syst\u00e9m\u016fm s r\u016fzn\u00fdmi hodnotami impedance naleznete v u\u017eivatelsk\u00fdch p\u0159\u00edru\u010dk\u00e1ch v\u00fdrobc\u016f).<\/p>\n<h3>Ochrann\u00e9 syst\u00e9my<\/h3>\n<p style=\"text-align: justify;\">V\u011bt\u0161ina model\u016f \u010dip\u016f TDA7294 je vybavena ochranou proti zkratu a funkc\u00ed automatick\u00e9ho vypnut\u00ed p\u0159i p\u0159ekro\u010den\u00ed bezpe\u010dn\u00e9 hodnoty teploty. Doporu\u010duje se pou\u017e\u00edt vhodn\u011b zvolen\u00e9ho <a href=\"https:\/\/botland.cz\/102-radiatory\" target=\"_blank\" rel=\"noopener\" data-wpel-link=\"internal\"><strong>radi\u00e1toru<\/strong><\/a>.<\/p>\n<h3>Dal\u0161\u00ed funkce<\/h3>\n<p style=\"text-align: justify;\">N\u011bkter\u00e9 modely TDA7294 jsou vybaveny dal\u0161\u00edmi velmi u\u017eite\u010dn\u00fdmi funkcemi, jako je funkce <strong>stand-by<\/strong> a <strong>mute<\/strong>, a tak\u00e9 velmi praktickou mo\u017enost\u00ed <strong>tich\u00e9ho zapnut\u00ed\/vypnut\u00ed<\/strong>.<\/p>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-06fb541 elementor-widget elementor-widget-heading\" data-id=\"06fb541\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">V\u00fdhody \u010dipu TDA7294 - pro\u010d si ho po\u0159\u00eddit?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-556d9b8 elementor-widget elementor-widget-text-editor\" data-id=\"556d9b8\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>\u010cip TDA7294 m\u00e1 mnoho funkc\u00ed, d\u00edky nim\u017e je vynikaj\u00edc\u00ed pro stavbu vysoce kvalitn\u00edch audio zesilova\u010d\u016f. V\u00fdhody, kter\u00e9 poskytuje, jsou nap\u0159\u00edklad:<\/p>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<section class=\"elementor-section elementor-inner-section elementor-element elementor-element-2a1c6e6 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"2a1c6e6\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-396c32b\" data-id=\"396c32b\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-54601ce elementor-widget elementor-widget-image\" data-id=\"54601ce\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/botland.com.pl\/blog\/wp-content\/uploads\/2021\/10\/multimedialny-system-glosnikow-akustycznych-tlo-koncepcji-muzycznej-1.jpg\" data-elementor-open-lightbox=\"yes\" data-elementor-lightbox-title=\"Multimedia  acoustic sound speaker system. Music  concept backgr\" data-e-action-hash=\"#elementor-action%3Aaction%3Dlightbox%26settings%3DeyJpZCI6NjgwMTAsInVybCI6Imh0dHBzOlwvXC9ib3RsYW5kLmN6XC9ibG9nXC93cC1jb250ZW50XC91cGxvYWRzXC8yMDIxXC8xMFwvbXVsdGltZWRpYWxueS1zeXN0ZW0tZ2xvc25pa293LWFrdXN0eWN6bnljaC10bG8ta29uY2VwY2ppLW11enljem5lai0xLmpwZyJ9\" data-wpel-link=\"internal\">\n\t\t\t\t\t\t\t<img decoding=\"async\" width=\"800\" height=\"824\" src=\"https:\/\/botland.cz\/blog\/wp-content\/uploads\/2021\/10\/multimedialny-system-glosnikow-akustycznych-tlo-koncepcji-muzycznej-1-994x1024.jpg\" class=\"attachment-large size-large wp-image-68010\" alt=\"\" srcset=\"https:\/\/botland.cz\/blog\/wp-content\/uploads\/2021\/10\/multimedialny-system-glosnikow-akustycznych-tlo-koncepcji-muzycznej-1-994x1024.jpg 994w, https:\/\/botland.cz\/blog\/wp-content\/uploads\/2021\/10\/multimedialny-system-glosnikow-akustycznych-tlo-koncepcji-muzycznej-1-291x300.jpg 291w, https:\/\/botland.cz\/blog\/wp-content\/uploads\/2021\/10\/multimedialny-system-glosnikow-akustycznych-tlo-koncepcji-muzycznej-1-768x791.jpg 768w, https:\/\/botland.cz\/blog\/wp-content\/uploads\/2021\/10\/multimedialny-system-glosnikow-akustycznych-tlo-koncepcji-muzycznej-1.jpg 1080w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-fa4d339\" data-id=\"fa4d339\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-8fb6fc0 elementor-widget elementor-widget-text-editor\" data-id=\"8fb6fc0\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<ul style=\"font-size: 16px; background-color: #ffffff;\">\n<li style=\"font-size: 16px;\" aria-level=\"1\">stabiln\u00ed provoz bez ru\u0161en\u00ed a \u0161umu<\/li>\n<li style=\"font-size: 16px;\" aria-level=\"1\">vysok\u00fd v\u00fdkon<\/li>\n<li style=\"font-size: 16px;\" aria-level=\"1\">vysoce v\u011brn\u00e1 reprodukce zvuku p\u0159i r\u016fzn\u00fdch \u00farovn\u00edch hlasitosti<\/li>\n<li style=\"font-size: 16px;\" aria-level=\"1\">vysok\u00e1 teplota a mechanick\u00e1 pevnost<\/li>\n<li style=\"font-size: 16px;\" aria-level=\"1\">k dispozici v r\u016fzn\u00fdch variant\u00e1ch krytu<\/li>\n<li style=\"font-size: 16px;\" aria-level=\"1\">kompatibilita se syst\u00e9my s r\u016fznou impedanc\u00ed<\/li>\n<li style=\"font-size: 16px;\" aria-level=\"1\">mo\u017enost pou\u017eit\u00ed funkc\u00ed ztlumen\u00ed zvuku a pohotovostn\u00edho re\u017eimu (u n\u011bkter\u00fdch model\u016f).<\/li>\n<li style=\"font-size: 16px;\" aria-level=\"1\">tich\u00e9 zapnut\u00ed\/vypnut\u00ed (u n\u011bkter\u00fdch model\u016f)<\/li>\n<li style=\"font-size: 16px;\" aria-level=\"1\">ve standardn\u00edch aplikac\u00edch nen\u00ed t\u0159eba pou\u017e\u00edvat dal\u0161\u00ed filtry (nap\u0159. syst\u00e9m Boucherot).<\/li>\n<\/ul>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<div class=\"elementor-element elementor-element-ad78ac8 elementor-widget elementor-widget-spacer\" data-id=\"ad78ac8\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-dfd9456 elementor-widget elementor-widget-heading\" data-id=\"dfd9456\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">\u010cip TDA7294 vs. t\u0159\u00edda zesilova\u010de<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2c79f7e elementor-widget elementor-widget-text-editor\" data-id=\"2c79f7e\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><strong>\u010cip TDA7294<\/strong> se pou\u017e\u00edv\u00e1 <strong>u zesilova\u010d\u016f t\u0159\u00eddy AB<\/strong>. Provozn\u00ed t\u0159\u00eddy v\u00fdkonov\u00fdch zesilova\u010d\u016f jsou ur\u010deny re\u017eimem \u010dinnosti uvnit\u0159 tranzistor\u016f . V p\u0159\u00edpad\u011b t\u0159\u00eddy AB tranzistor vede proud po v\u00edce ne\u017e polovinu, ale m\u00e9n\u011b ne\u017e jednu celou periodu \u0159\u00eddic\u00edho sign\u00e1lu (T). Zesilova\u010de t\u00e9to t\u0159\u00eddy se vyzna\u010duj\u00ed n\u00edzk\u00fdm zkreslen\u00edm a \u00fa\u010dinnost\u00ed kolem 50-70 %.<\/p>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<section class=\"elementor-section elementor-inner-section elementor-element elementor-element-fd9c854 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"fd9c854\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-57402da\" data-id=\"57402da\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-c25f3a0 elementor-widget elementor-widget-heading\" data-id=\"c25f3a0\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">TDA7294: n\u00e1zory a cena<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-97d8db9 elementor-widget elementor-widget-text-editor\" data-id=\"97d8db9\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><a href=\"\/mp3-wav-ogg-midi-prehravace\/22920-tda7294-100w-audio-zesilovac.html\" data-wpel-link=\"internal\"><strong>TDA7294<\/strong><\/a> je velmi obl\u00edben\u00fd \u010dip, kter\u00fd m\u00e1 mezi u\u017eivateli dobrou pov\u011bst a pou\u017e\u00edv\u00e1 se nejen ve vlastnoru\u010dn\u011b postaven\u00fdch elektronick\u00fdch projektech, ale tak\u00e9 v profesion\u00e1ln\u00edch za\u0159\u00edzen\u00edch dostupn\u00fdch v dobr\u00fdch obchodech s audiotechnikou. V z\u00e1vislosti na v\u00fdrobci a typu zvolen\u00e9ho pouzdra se cena TDA7294 pohybuje v <strong>\u0159\u00e1du des\u00edtek a\u017e stovek korun<\/strong>.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-5750566\" data-id=\"5750566\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-947c31b elementor-widget elementor-widget-image\" data-id=\"947c31b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/botland.cz\/blog\/wp-content\/uploads\/2023\/08\/22920_1_kwadrat.jpg\" data-elementor-open-lightbox=\"yes\" data-elementor-lightbox-title=\"22920_1_kwadrat\" data-e-action-hash=\"#elementor-action%3Aaction%3Dlightbox%26settings%3DeyJpZCI6ODA1OTIsInVybCI6Imh0dHBzOlwvXC9ib3RsYW5kLmN6XC9ibG9nXC93cC1jb250ZW50XC91cGxvYWRzXC8yMDIzXC8wOFwvMjI5MjBfMV9rd2FkcmF0LmpwZyJ9\" data-wpel-link=\"internal\">\n\t\t\t\t\t\t\t<img decoding=\"async\" width=\"800\" height=\"800\" src=\"https:\/\/botland.cz\/blog\/wp-content\/uploads\/2023\/08\/22920_1_kwadrat-1024x1024.jpg\" class=\"attachment-large size-large wp-image-80592\" alt=\"\" srcset=\"https:\/\/botland.cz\/blog\/wp-content\/uploads\/2023\/08\/22920_1_kwadrat-1024x1024.jpg 1024w, https:\/\/botland.cz\/blog\/wp-content\/uploads\/2023\/08\/22920_1_kwadrat-300x300.jpg 300w, https:\/\/botland.cz\/blog\/wp-content\/uploads\/2023\/08\/22920_1_kwadrat-768x768.jpg 768w, https:\/\/botland.cz\/blog\/wp-content\/uploads\/2023\/08\/22920_1_kwadrat.jpg 1080w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-cf70801 elementor-align-center elementor-widget elementor-widget-button\" data-id=\"cf70801\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"\/mp3-wav-ogg-midi-prehravace\/22920-tda7294-100w-audio-zesilovac.html\" target=\"_blank\" data-wpel-link=\"internal\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">ZKONTROLUJ<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<div class=\"elementor-element elementor-element-b0bd814 elementor-widget elementor-widget-heading\" data-id=\"b0bd814\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Na co se zam\u011b\u0159it p\u0159i n\u00e1kupu TDA7294?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-85d4767 elementor-widget elementor-widget-text-editor\" data-id=\"85d4767\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>P\u0159i v\u00fdb\u011bru \u010dipu <strong>TDA7294<\/strong> je dobr\u00e9 nahl\u00e9dnout do <strong>technick\u00e9 dokumentace<\/strong> poskytnut\u00e9 v\u00fdrobcem. P\u0159esto\u017ee z\u00e1kladn\u00ed funkce a parametry v\u0161ech model\u016f jsou podobn\u00e9, mohou mezi jednotliv\u00fdmi produkty existovat rozd\u00edly (zejm\u00e9na v souvislosti s p\u0159\u00edtomnost\u00ed dal\u0161\u00edch mo\u017enost\u00ed nebo bezpe\u010dnostn\u00edch prvk\u016f).<\/p>\n<p>Krom\u011b toho je dobr\u00e9 vyb\u00edrat modely ze spolehliv\u00fdch a osv\u011bd\u010den\u00fdch zdroj\u016f &#8211; je to z\u00e1ruka, \u017ee syst\u00e9m bude v konstruovan\u00e9m proveden\u00ed spr\u00e1vn\u011b fungovat a \u017ee bude harmonicky spolupracovat se zbytkem audiosyst\u00e9mu.<\/p>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>TDA7294 je obl\u00edben\u00fd obvod pou\u017e\u00edvan\u00fd nap\u0159\u00edklad ve v\u00fdkonov\u00fdch zesilova\u010d\u00edch pou\u017e\u00edvan\u00fdch v mnoha audio syst\u00e9mech. Zjist\u011bte, co je TDA7294 a kde se pou\u017e\u00edv\u00e1!<\/p>\n","protected":false},"author":21,"featured_media":68014,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[548,564],"tags":[],"class_list":["post-68213","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-elektronika-cs","category-smart-home-cs"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>tda7294 - Co je to a k \u010demu se pou\u017e\u00edv\u00e1 - Botland<\/title>\n<meta name=\"description\" content=\"TDA7294 je obvod pou\u017e\u00edvan\u00fd v audio zesilova\u010d\u00edch. 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