{"id":13938,"date":"2024-06-15T13:36:26","date_gmt":"2024-06-15T11:36:26","guid":{"rendered":"https:\/\/www.bramjacobse.nl\/wordpress\/?p=13938"},"modified":"2024-09-09T21:43:30","modified_gmt":"2024-09-09T19:43:30","slug":"tda-1387-8x","status":"publish","type":"post","link":"https:\/\/www.bramjacobse.nl\/wordpress\/?p=13938","title":{"rendered":"TDA1387 8x Measurements"},"content":{"rendered":"

Some measurements on TDA1541(a) \u00a0replacement board TDA 1387 8x<\/p>\n

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Be aware the current output of \u00a0a TDA 1541(a) on 0 dBfs is 4 mA<\/p>\n

The TDA1387 at 0 dBfs is 1 mA. when 8 are in parallel its is 8 mA<\/p>\n

This can cause clipping<\/p>\n

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FFT TDA 1541a vs TDA1378 at 0 dBfs<\/p>\n

\"\"<\/p>\n

for reference TDA 1541a THD 60 Hz & 7 KHz IMD<\/p>\n

\"\"<\/p>\n

TDA1378 \u00a08x Board THD 60 Hz & 7 KHz IMD<\/p>\n

\"\"<\/p>\n

THD + noise 20 Hz to 20000 Hz ,<\/p>\n

\"\"<\/p>\n

Multitone TDA 1387 8x board<\/p>\n

\"\"<\/p>\n

 <\/p>\n

TDA 1541a<\/p>\n

\"\"<\/p>\n

TDA 1387<\/p>\n

\"\"<\/p>\n

Silence 16 bits ditherd<\/p>\n

\"\"<\/p>\n

1 KHz -90 dBfs<\/p>\n

\"\"<\/p>\n

60 Hz -60 dBFS<\/p>\n

\"\"<\/p>\n

60 Hz 0 dBfs<\/p>\n

\"\"<\/p>\n

20 Hz 0dBfs<\/p>\n

\"\"<\/p>\n","protected":false},"excerpt":{"rendered":"

Some measurements on TDA1541(a) \u00a0replacement board TDA 1387 8x Be aware the current output of \u00a0a TDA 1541(a) on 0 dBfs is 4 mA The TDA1387 at 0 dBfs is 1 mA. when 8...<\/p>\n","protected":false},"author":1,"featured_media":13931,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[259,260],"tags":[],"class_list":["post-13938","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tda1387-8x","category-tda1541"],"yoast_head":"\nTDA1387 8x Measurements - Bram Jacobse<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.bramjacobse.nl\/wordpress\/?p=13938\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"TDA1387 8x Measurements - Bram Jacobse\" \/>\n<meta property=\"og:description\" content=\"Some measurements on TDA1541(a) \u00a0replacement board TDA 1387 8x Be aware the current output of \u00a0a TDA 1541(a) on 0 dBfs is 4 mA The TDA1387 at 0 dBfs is 1 mA. when 8...\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.bramjacobse.nl\/wordpress\/?p=13938\" \/>\n<meta property=\"og:site_name\" content=\"Bram Jacobse\" \/>\n<meta property=\"article:published_time\" content=\"2024-06-15T11:36:26+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2024-09-09T19:43:30+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.bramjacobse.nl\/wordpress\/wp-content\/uploads\/2024\/06\/TDA1387x8.jpeg\" \/>\n\t<meta property=\"og:image:width\" content=\"1280\" \/>\n\t<meta property=\"og:image:height\" content=\"960\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Bram\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Bram\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"4 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/www.bramjacobse.nl\\\/wordpress\\\/?p=13938#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.bramjacobse.nl\\\/wordpress\\\/?p=13938\"},\"author\":{\"name\":\"Bram\",\"@id\":\"https:\\\/\\\/www.bramjacobse.nl\\\/wordpress\\\/#\\\/schema\\\/person\\\/046607e546e3a7190b34f7793abbe6fe\"},\"headline\":\"TDA1387 8x Measurements\",\"datePublished\":\"2024-06-15T11:36:26+00:00\",\"dateModified\":\"2024-09-09T19:43:30+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/www.bramjacobse.nl\\\/wordpress\\\/?p=13938\"},\"wordCount\":92,\"publisher\":{\"@id\":\"https:\\\/\\\/www.bramjacobse.nl\\\/wordpress\\\/#\\\/schema\\\/person\\\/046607e546e3a7190b34f7793abbe6fe\"},\"image\":{\"@id\":\"https:\\\/\\\/www.bramjacobse.nl\\\/wordpress\\\/?p=13938#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.bramjacobse.nl\\\/wordpress\\\/wp-content\\\/uploads\\\/2024\\\/06\\\/TDA1387x8.jpeg\",\"articleSection\":[\"TDA1387 8x\",\"TDA1541\"],\"inLanguage\":\"en-US\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.bramjacobse.nl\\\/wordpress\\\/?p=13938\",\"url\":\"https:\\\/\\\/www.bramjacobse.nl\\\/wordpress\\\/?p=13938\",\"name\":\"TDA1387 8x Measurements - 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