{"id":6833,"date":"2018-10-14T12:29:33","date_gmt":"2018-10-14T03:29:33","guid":{"rendered":"https:\/\/y2tech.net\/blog\/?p=6833"},"modified":"2018-10-14T13:35:12","modified_gmt":"2018-10-14T04:35:12","slug":"testing-ak4493eq-dac","status":"publish","type":"post","link":"https:\/\/y2tech.net\/blog\/audio\/digital-audio\/testing-ak4493eq-dac-6833\/","title":{"rendered":"AK4493EQ \u30c6\u30b9\u30c8\u7528DAC\u30dc\u30fc\u30c9"},"content":{"rendered":"<h3>AK4493EQ DAC\u306e\u97f3\u51fa\u3057\u30c6\u30b9\u30c8<\/h3>\r\n<br>\r\n<div style=\"width: 100%; margin: 0 auto; text-align: center;\">\r\n<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/y2tech.net\/blog\/wp-content\/uploads\/2018\/10\/PK51744.jpg\" alt=\"AK4493EQ DAC board\" width=\"640\" height=\"640\" class=\"size-full wp-image-6835\" srcset=\"https:\/\/y2tech.net\/blog\/wp-content\/uploads\/2018\/10\/PK51744.jpg 640w, https:\/\/y2tech.net\/blog\/wp-content\/uploads\/2018\/10\/PK51744-320x320.jpg 320w\" sizes=\"auto, (max-width: 640px) 100vw, 640px\" \/> \r\n<br>\r\n<span>AK4490EQ\u7528\u57fa\u677f\u3092\u5c11\u3057\u3060\u3051\u5f04\u3063\u3066AK4493EQ\u3092\u8f09\u305b\u3066\u307f\u305f<\/span>\r\n<br>\r\n\r\n<\/div>\r\n<br>\r\n<p>\u65ed\u5316\u6210\u306eAK4493EQ DAC\u30c1\u30c3\u30d7\u3092\u4eca\u5e74\u306e\u524d\u534a\u306b\u5165\u624b\u3057\u3066\u3044\u305f\u304c\u3001\u3053\u308c\u307e\u3067\u6642\u9593\u304c\u53d6\u308c\u306a\u304f\u3066\u5b9f\u969b\u306b\u97f3\u51fa\u3057\u3092\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u306a\u304b\u3063\u305f\uff0e\u4ed5\u4e8b\u306e\u65b9\u304c\u4e00\u6bb5\u843d\u3064\u3044\u3066\u3001\u518d\u3073\u534a\u7530\u3054\u3066\u3092\u63e1\u308b\u6642\u9593\u304c\u3067\u304d\u305f\u306e\u3067\u3001AK4497EQ\u306e\u5ec9\u4fa1\u7248\u7684\u306a\u4f4d\u7f6e\u4ed8\u3051\u306eAK4493EQ\u3092\u8a66\u3057\u3066\u898b\u308b\u4e8b\u306b\u3057\u305f\uff0e<\/p>\r\n<br>\r\n<p>AK4493EQ\u7528\u306e\u5c02\u7528\u57fa\u677f\u3092\u4f5c\u6210\u3059\u308b\u306e\u304c\u826f\u3044\u306e\u3060\u304c\u3001\u305d\u3053\u307e\u3067\u624b\u9593\u6687\u3092\u639b\u3051\u308b\u307b\u3069\u3067\u3082\u306a\u3044\u306e\u3067\u3001\u304a\u99b4\u67d3\u307f\u306eDIYINHK\u306eAK4490EQ\u7528\u57fa\u677f\u306e\u30a2\u30a6\u30c8\u30ec\u30c3\u30c8\uff08\u57fa\u76e4\u3068\u8868\u9762\u5b9f\u88c5CR\u30c1\u30c3\u30d7\u306e\u307f\uff09\u304c\u53e9\u304d\u58f2\u308a\u3055\u308c\u3066\u3044\u305f\u306e\u3067\u3001\u3053\u308c\u3092AK4493EQ\u7528\u306b\u4f7f\u3046\u3053\u3068\u306b\u3057\u305f\uff0eAK4490EQ\u3068AK4493EQ\u306f\u30d1\u30c3\u30b1\u30fc\u30b8\u3068\u30d4\u30f3\u914d\u7f6e\u304c\u6b86\u3069\u4e00\u7dd2\u3067\u3001\u4e00\u90e8\u306e\u30d4\u30f3\u306e\u307f\u306e\u914d\u7dda\u30ec\u30a4\u30a2\u30a6\u30c8\u5909\u66f4\u3067\u6e08\u307e\u305b\u3089\u308c\u308b\u306e\u3067\u3001DIYINHK\u306eAK4490\u57fa\u677f\u306f\u97f3\u51fa\u3057\u30c6\u30b9\u30c8\u7528\u9014\u306b\u306f\u6253\u3063\u3066\u4ed8\u3051\u3060\uff0e<\/p>\r\n<br>\r\n<p>AK4490EQ\u3068AK4493EQ\u306e\u30c7\u30fc\u30bf\u30b7\u30fc\u30c8\u304b\u3089\u3001\u30d4\u30f3\u914d\u7f6e\u306e\u9055\u3044\u3068\u305d\u306e\u30d4\u30f3\u306e\u7528\u9014\u3092\u78ba\u8a8d\u3059\u308b\u3068\u3001\u4e21\u8005\u306e\u5927\u304d\u306a\u9055\u3044\u306f Pin #1(NC\/DVDD)\u3068Pin #16(DEM1\/LDOE)\u3001\u305d\u308c\u306b Pin #18(NC\/TESTE)\u3068\u306a\u3063\u3066\u3044\u308b\u7a0b\u5ea6\u3060\uff0e\u5e78\u3044\u306a\u3053\u3068\u306bDIYINHK\u306eAK4490EQ\u7528\u57fa\u677f\u306e\u914d\u7dda\u30d1\u30bf\u30fc\u30f3\u3092\u898b\u308b\u9650\u308a\u3001Pin #1\u306e\u914d\u7dda\u30d1\u30bf\u30fc\u30f3\u306e\u5909\u66f4\u3060\u3051\u3067\u5bfe\u51e6\u53ef\u80fd\u3060\uff0e\u57fa\u677f\u306fPin #1\u304cGND\u306b\u843d\u3068\u3055\u308c\u3066\u3044\u308b\u306e\u3067\u3001\u3053\u306e\u90e8\u5206\u306e\u914d\u7dda\u30d1\u30bf\u30fc\u30f3\u3092\u30ab\u30c3\u30bf\u30fc\u3067\u30ab\u30c3\u30c8\u3057\u3066\u3001Pin #1\u3092GND\u304b\u3089\u6d6e\u304b\u305b\u30011uF\u306e\u30bb\u30e9\u30df\u30c3\u30af\u30b3\u30f3\u30c7\u30f3\u30b5\u3092GND\u3068\u306e\u9593\u306b\u914d\u7f6e\u3055\u305b\u305f\uff0e<\/p>\r\n<br>\r\n<p>Pin #16\u306b\u95a2\u3057\u3066\u306f\u3001DEM1\u7528\u306e\u30b8\u30e3\u30f3\u30d1\u30d4\u30f3\u8a2d\u5b9a\u3092\u305d\u306e\u307e\u307e\u4f7f\u3044\u3001\u30b7\u30e7\u30fc\u30c8\u30d4\u30f3\u3060\u3051\u3067\u7c21\u5358\u306b&#8221;H&#8221;\/&#8221;L&#8221; \u3092\u5207\u308a\u66ff\u3048\u308b\u4e8b\u304c\u53ef\u80fd\u3060\uff0ePin #16\u3092 &#8220;H&#8221; \u306b\u3059\u308b\u3068\u3001AK4493EQ\u5185\u90e8\u306eLDO\u30ec\u30ae\u30e5\u30ec\u30fc\u30bf\u3092\u901a\u3058\u3066 +1.8V \u304c\u4f9b\u7d66\u3055\u308c\u308b\uff0e&#8221;L&#8221; \u306e\u5834\u5408\u306f\u3001\u5916\u90e8\u96fb\u6e90\u3067+1.8V \u3092Pin #1\u3078\u4f9b\u7d66\u3059\u308b\u3053\u3068\u306b\u306a\u308b\uff0e\u914d\u7dda\u30ec\u30a4\u30a2\u30a6\u30c8\u306e\u95a2\u4fc2\u3067\u3001\u4eca\u56de\u306fPin #16\u3092 &#8220;H&#8221; \u306b\u3057\u3066\u3001\u5185\u90e8LDO\u30e2\u30fc\u30c9\u3067\u97f3\u51fa\u3057\u3092\u3059\u308b\u3053\u3068\u306b\u3059\u308b\uff0e<\/p>\r\n<br>\r\n<p>Pin #18(NC\/TESTE)\u306b\u95a2\u3057\u3066\u306f\u7279\u306b\u4f55\u3082\u3059\u308b\u3053\u3068\u306a\u304f\u305d\u306e\u307e\u307eGND\u306b\u843d\u3068\u3059\uff0e\uff08\u6700\u521d\u304b\u3089\u5185\u90e8Pull-Down\u3055\u308c\u3066\u3044\u308b\uff09<\/p>\r\n<br>\r\n\r\n<div style=\"width: 100%; margin: 0 auto; text-align: center;\">\r\n<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/y2tech.net\/blog\/wp-content\/uploads\/2018\/10\/PinAssigns.png\" alt=\"AK4493EQ DAC PinAssigns\" width=\"640\" height=\"334\" class=\"size-full wp-image-6837\" srcset=\"https:\/\/y2tech.net\/blog\/wp-content\/uploads\/2018\/10\/PinAssigns.png 640w, https:\/\/y2tech.net\/blog\/wp-content\/uploads\/2018\/10\/PinAssigns-320x167.png 320w\" sizes=\"auto, (max-width: 640px) 100vw, 640px\" \/>\r\n<br>\r\n<span>AK4493EQ\u3068AK4490EQ\u3068\u306e\u30d4\u30f3\u914d\u7f6e\u306e\u9055\u3044\u3092\u78ba\u8a8d\u3059\u308b<\/span>\r\n<br>\r\n<br>\r\n<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/y2tech.net\/blog\/wp-content\/uploads\/2018\/10\/PK51480.jpg\" alt=\"DIYINHK AK4490 DAC board (Front)\" width=\"640\" height=\"640\" class=\"size-full wp-image-6838\" srcset=\"https:\/\/y2tech.net\/blog\/wp-content\/uploads\/2018\/10\/PK51480.jpg 640w, https:\/\/y2tech.net\/blog\/wp-content\/uploads\/2018\/10\/PK51480-320x320.jpg 320w\" sizes=\"auto, (max-width: 640px) 100vw, 640px\" \/> \r\n<br>\r\n<span>DIYINHK AK4490 DAC\u57fa\u677f\uff08\u8868\u9762\uff09<\/span>\r\n<br>\r\n<br>\r\n<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/y2tech.net\/blog\/wp-content\/uploads\/2018\/10\/PK51481.jpg\" alt=\"DIYINHK AK4490 DAC board (Back)\" width=\"640\" height=\"640\" class=\"size-full wp-image-6839\" srcset=\"https:\/\/y2tech.net\/blog\/wp-content\/uploads\/2018\/10\/PK51481.jpg 640w, https:\/\/y2tech.net\/blog\/wp-content\/uploads\/2018\/10\/PK51481-320x320.jpg 320w\" sizes=\"auto, (max-width: 640px) 100vw, 640px\" \/>\r\n<br>\r\n<span>DIYINHK AK4490 DAC\u57fa\u677f\uff08\u88cf\u9762\uff09<\/span>\r\n<br>\r\n<br>\r\n<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/y2tech.net\/blog\/wp-content\/uploads\/2018\/10\/PK51483.jpg\" alt=\"Pin #1 Layout Pattern\" width=\"640\" height=\"427\" class=\"size-full wp-image-6840\" srcset=\"https:\/\/y2tech.net\/blog\/wp-content\/uploads\/2018\/10\/PK51483.jpg 640w, https:\/\/y2tech.net\/blog\/wp-content\/uploads\/2018\/10\/PK51483-320x214.jpg 320w\" sizes=\"auto, (max-width: 640px) 100vw, 640px\" \/> \r\n<br>\r\n<span>Pin #1\u5efb\u308a\u306e\u914d\u7dda\u30d1\u30bf\u30fc\u30f3\u306e\u4fee\u6b63\u306f\u7c21\u5358\u306b\u3067\u304d\u305d\u3046\u3060<\/span>\r\n<br>\r\n<br>\r\n<\/div>\r\n<p>\u307e\u3060\u30a8\u30fc\u30b8\u30f3\u30b0\u3082\u4e0d\u5341\u5206\u3067\u3001\u307b\u3093\u306e\u5c11\u3057\u97f3\u51fa\u3057\u3092\u3057\u3066\u898b\u305f\u7a0b\u5ea6\u306a\u306e\u3067\u3001\u4ed6\u306eAK\u30b7\u30ea\u30fc\u30ba\u3068\u306e\u6bd4\u8f03\u307e\u3067\u306f\u3057\u3066\u3044\u306a\u3044\u304c\u3001AK4497EQ\u306e\u5024\u6bb5\u3068\u6bd4\u8f03\u3057\u30661\/5\u7a0b\u5ea6\u306e\u5ec9\u4fa1\u7248\u3067\u306f\u3042\u308b\u304c\u3001\u79c1\u306e\u8ca7\u3057\u3044\u8033\u3067\u306f\u4e21\u8005\u306b\u305d\u308c\u7a0b\u5927\u304d\u306a\u5dee\u306f\u611f\u3058\u306a\u3044\uff0e\u52ff\u8ad6\u5468\u8fba\u56de\u8def\u3082\u542b\u3081\u3066\u97f3\u8cea\u3092\u7a81\u304d\u8a70\u3081\u3066\u884c\u3051\u3070\u3001\u304d\u3063\u3068\u8033\u306e\u826f\u3044\u4eba\u9054\u306b\u306f\u9055\u3044\u304c\u30cf\u30c3\u30ad\u30ea\u3068\u611f\u3058\u3089\u308c\u308b\u306e\u3060\u308d\u3046\uff0e<\/p>\r\n<br>\r\n<p>\u5185\u90e8LDO\u306e\u4f7f\u7528\u3092\u6b62\u3081\u3066\u3001Pin #1\u306b\u5916\u90e8\u304b\u3089\u96fb\u6e90\u3092\u4f9b\u7d66\u3059\u308b\u65b9\u304c\u97f3\u304c\u826f\u3044\u3089\u3057\u3044\u306e\u3067\u3001\u97f3\u8cea\u3092\u91cd\u8996\u3059\u308b\u5834\u5408\u306f\u5916\u90e8\u96fb\u6e90\u30e2\u30fc\u30c9\u3092\u304a\u85a6\u3081\u3059\u308b\uff0e\u5148\u9031\u3042\u305f\u308a\u304b\u3089\u3001DIYINHK\u3055\u3093\u306e<a href=\"https:\/\/www.diyinhk.com\/shop\/audio-kits\/145-768khz32bit-ak4493eq-dac-i2sdsd-input.html\" rel=\"noopener\" target=\"_blank\">AK4493DAC\u57fa\u677f<\/a>\u304c\u30ea\u30ea\u30fc\u30b9\u3055\u308c\u3066\u3044\u308b\u306e\u3067\u3001AK4493EQ\u3092\u8a66\u3057\u3066\u898b\u305f\u3044\u5834\u5408\u306f\u3053\u3061\u3089\u306e\u57fa\u677f\u3092\u9078\u3093\u3060\u65b9\u304c\u826f\u3044\u3060\u308d\u3046\uff0e<\/p>\r\n<br>\r\n<p>AK4493EQ\u306f\u65ed\u5316\u6210\u306eDAC\u30c1\u30c3\u30d7\u3068\u3057\u3066\u306f\u521d\u3081\u3066PCM\/DSD\u30e2\u30fc\u30c9\u306e\u81ea\u52d5\u5207\u308a\u66ff\u3048\u6a5f\u80fd\u3092\u5099\u3048\u3066\u3044\u308b\u3068\u306e\u4e8b\u3060\u304c\u3001\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\u30e2\u30fc\u30c9\uff08\u30d4\u30f3\u30b3\u30f3\u30c8\u30fc\u30ed\u30fc\u30eb\u30e2\u30fc\u30c9\uff09\u3067\u306f\u3001\u3053\u306e\u6a5f\u80fd\u306f\u4f7f\u3048\u306a\u3044\u3088\u3046\u3060\uff0e\u6b8b\u5ff5\u306a\u304c\u3089\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\u30e2\u30fc\u30c9\u3067DSD\u306f\u518d\u751f\u3067\u304d\u306a\u3044\uff0eESS\u306eDAC\u30c1\u30c3\u30d7\u306e\u3088\u3046\u306b\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\u30e2\u30fc\u30c9\u3067\u3082\u81ea\u52d5\u3067DSD\/PCM\u304c\u5207\u308a\u66ff\u308f\u308b\u3088\u3046\u306b\u306a\u3063\u3066\u3044\u306a\u3044\u306e\u304c\u60dc\u3057\u3044\u3068\u3053\u308d\u3060\uff0e<\/p>\r\n<br>\r\n<div style=\"width: 100%; margin: 0 auto; text-align: center;\">\r\n<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/y2tech.net\/blog\/wp-content\/uploads\/2018\/10\/PK51745.jpg\" alt=\"DIYINHK AK449xEQ Boards\" width=\"640\" height=\"427\" class=\"size-full wp-image-6843\" srcset=\"https:\/\/y2tech.net\/blog\/wp-content\/uploads\/2018\/10\/PK51745.jpg 640w, https:\/\/y2tech.net\/blog\/wp-content\/uploads\/2018\/10\/PK51745-320x214.jpg 320w\" sizes=\"auto, (max-width: 640px) 100vw, 640px\" \/> \r\n<br>\r\n<span>DIYINHK AK449x\u57fa\u677f\u3000\u4e09\u5144\u5f1f<\/span>\r\n<br>\r\n<br>\r\n<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/y2tech.net\/blog\/wp-content\/uploads\/2018\/10\/PK51747.jpg\" alt=\"DAC test bed\" width=\"640\" height=\"424\" class=\"size-full wp-image-6846\" srcset=\"https:\/\/y2tech.net\/blog\/wp-content\/uploads\/2018\/10\/PK51747.jpg 640w, https:\/\/y2tech.net\/blog\/wp-content\/uploads\/2018\/10\/PK51747-320x212.jpg 320w\" sizes=\"auto, (max-width: 640px) 100vw, 640px\" \/>\r\n<br>\r\n<span>DAC\u63a5\u7d9a\u691c\u8a3c\u7528\u30c6\u30b9\u30c8\u30d9\u30c3\u30c9\u3067\u97f3\u51fa\u3057\u30c6\u30b9\u30c8<\/span>\r\n<br>\r\n<br>\r\n<\/div>","protected":false},"excerpt":{"rendered":"\u65ed\u5316\u6210\u306eAK4493EQ DAC\u30c1\u30c3\u30d7\u3092\u4eca\u5e74\u306e\u524d\u534a\u306b\u5165\u624b\u3057\u3066\u3044\u305f\u304c\u3001\u3053\u308c\u307e\u3067\u6642\u9593\u304c\u53d6\u308c\u306a\u304f\u3066\u5b9f\u969b\u306b\u97f3\u51fa\u3057\u3092\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u306a\u304b\u3063\u305f\uff0e\u4ed5\u4e8b\u306e\u65b9\u304c\u4e00\u6bb5\u843d\u3064\u3044\u3066\u3001\u518d\u3073\u534a\u7530\u3054\u3066\u3092\u63e1\u308b\u6642\u9593\u304c\u3067\u304d\u305f\u306e\u3067\u3001AK4497EQ\u306e\u5ec9\u4fa1\u7248\u7684\u306a\u4f4d\u7f6e\u4ed8\u3051\u306eAK4493EQ\u3092\u8a66\u3057\u3066\u898b\u308b\u4e8b\u306b\u3057\u305f\uff0e","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"ngg_post_thumbnail":0,"footnotes":""},"categories":[713],"tags":[827],"class_list":["post-6833","post","type-post","status-publish","format-standard","hentry","category-digital-audio","tag-ak4493eq"],"_links":{"self":[{"href":"https:\/\/y2tech.net\/blog\/wp-json\/wp\/v2\/posts\/6833","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/y2tech.net\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/y2tech.net\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/y2tech.net\/blog\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/y2tech.net\/blog\/wp-json\/wp\/v2\/comments?post=6833"}],"version-history":[{"count":2,"href":"https:\/\/y2tech.net\/blog\/wp-json\/wp\/v2\/posts\/6833\/revisions"}],"predecessor-version":[{"id":6850,"href":"https:\/\/y2tech.net\/blog\/wp-json\/wp\/v2\/posts\/6833\/revisions\/6850"}],"wp:attachment":[{"href":"https:\/\/y2tech.net\/blog\/wp-json\/wp\/v2\/media?parent=6833"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/y2tech.net\/blog\/wp-json\/wp\/v2\/categories?post=6833"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/y2tech.net\/blog\/wp-json\/wp\/v2\/tags?post=6833"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}