{"id":7770,"date":"2019-04-23T23:39:33","date_gmt":"2019-04-23T14:39:33","guid":{"rendered":"https:\/\/y2tech.net\/blog\/?p=7770"},"modified":"2019-04-24T20:15:49","modified_gmt":"2019-04-24T11:15:49","slug":"making-es9038pro-8ch-dac-prototyping-board","status":"publish","type":"post","link":"https:\/\/y2tech.net\/blog\/audio\/digital-audio\/making-es9038pro-8ch-dac-prototyping-board-7770\/","title":{"rendered":"ES9038PRO\u3092\u4f7f\u3063\u305f\u30de\u30eb\u30c1\u30c1\u30e3\u30cd\u30ebDAC\u30dc\u30fc\u30c9\u306e\u5236\u4f5c\uff08POC\u7de8\uff09"},"content":{"rendered":"

\u30de\u30eb\u30c1\u30c1\u30e3\u30cd\u30eb\u5bfe\u5fdcDAC\u30dc\u30fc\u30c9\u306e\u81ea\u4f5c\u306b\u6311\u6226\uff08POC\u7de8\uff09<\/h3>\r\n
\r\n

\u524d\u56de\u306e\u8a18\u4e8b \u300cLightMPD-Botic\u3067\u30de\u30eb\u30c1\u30c1\u30e3\u30cd\u30eb\u518d\u751f\u3092\u8a66\u307f\u308b\u300d\u3067\u7d39\u4ecb\u3057\u305f\u3088\u3046\u306b\u3001\u6211\u304c\u5bb6\u306eNW\u30aa\u30fc\u30c7\u30a3\u30aa\u74b0\u5883\u4e0b\u3067\u3082\u30de\u30eb\u30c1\u30c1\u30e3\u30cd\u30eb\u30fc\u30aa\u30fc\u30c7\u30a3\u30aa\u518d\u751f\u306e\u9053\u304c\u898b\u3048\u3066\u304d\u305f\u306e\u3067\u3001\u4eca\u5f8c\u30de\u30eb\u30c1\u30c1\u30e3\u30cd\u30eb\u30aa\u30fc\u30c7\u30a3\u30aa\u518d\u751f\u74b0\u5883\u3092\u6574\u3048\u3066\u884c\u3053\u3046\u3068\u601d\u3046\uff0e<\/p>\r\n
\r\n

\u7686\u3055\u3093\u3082\u3054\u627f\u77e5\u306e\u3088\u3046\u306b\u3001\u4e00\u822c\u7684\u306a\u30aa\u30fc\u30c7\u30a3\u30aa\u30e6\u30fc\u30b6\u304c\u5b89\u76f4\u306b\u30de\u30eb\u30c1\u30c1\u30e3\u30cd\u30eb\u30aa\u30fc\u30c7\u30a3\u30aa\u518d\u751f\u3092\u884c\u3046\u306b\u306f\u3001\u6b8b\u5ff5\u306a\u304c\u3089\u73fe\u72b6\u3067\u306f\u30e1\u30fc\u30ab\u30fc\u88fd\u306e\u99ac\u9e7f\u3067\u304b\u3044\u6240\u8b02AV\u30a2\u30f3\u30d7\u3068\u30d6\u30eb\u30fc\u30ec\u30a4\u30c7\u30a3\u30b9\u30af\u30d7\u30ec\u30a4\u30e4\u30fc\u3068\u306e\u7d44\u307f\u5408\u308f\u305b\u3050\u3089\u3044\u3057\u304b\u9078\u629e\u80a2\u304c\u7121\u3044\u3068\u8a00\u3063\u3066\u826f\u3044\u3060\u308d\u3046\uff0e\u30d7\u30ed\uff08&\u30cf\u30a4\u30a8\u30f3\u30c9\u30a2\u30de\u30c1\u30e5\u30a2\uff09\u7528\u306e\u97f3\u697d\u5236\u4f5c\u74b0\u5883\u3067\u306f\u30de\u30eb\u30c1\u30c1\u30e3\u30cd\u30eb\u5316\u304c\u9032\u3093\u3067\u3044\u308b\u304c\u3001\u4e00\u822c\u7684\u306a\u30b3\u30f3\u30b7\u30e5\u30de\u30fc\u30aa\u30fc\u30c7\u30a3\u30aa\u306e\u4e16\u754c\u3067\u306f\u30de\u30eb\u30c1\u30c1\u30e3\u30cd\u30eb\u51fa\u529b\u5bfe\u5fdcDAC\u306f\u6b86\u3069\u898b\u304b\u3051\u305f\u4e8b\u304c\u7121\u3044\uff0e\u307e\u3057\u3066\u3084NW\u30aa\u30fc\u30c7\u30a3\u30aa\u5358\u4f53\u88fd\u54c1\u3068\u3082\u306a\u308b\u3068\u7686\u7121\u3068\u8a00\u3063\u3066\u826f\u3044\u3060\u308d\u3046\uff0e<\/p>\r\n
\r\n

\u4e16\u306e\u4e2d\u306b\u30de\u30eb\u30c1\u30c1\u30e3\u30cd\u30ebNW\u30aa\u30fc\u30c7\u30a3\u30aa\u518d\u751f\u74b0\u5883\u304c\u306a\u3044\u306e\u3067\u3042\u308c\u3070\u81ea\u5206\u3067\u4f5c\u3063\u3061\u3083\u3048\u3068\u3044\u3046\u3053\u3068\u3067\u3001\u4eca\u56de\u306fESS\u793e\u306e\u30d5\u30e9\u30c3\u30b0\u30b7\u30c3\u30d7\u30de\u30eb\u30c1\u30c1\u30e3\u30cd\u30ebDAC\u3067\u3042\u3042\u308b\u3001ES9038PRO\u3092\u4f7f\u3063\u305f\u30de\u30eb\u30c1\u30c1\u30e3\u30cd\u30ebDAC\u30dc\u30fc\u30c9\u306e\u81ea\u4f5c\u306b\u6311\u6226\u3057\u3066\u307f\u308b\u3053\u3068\u306b\u3057\u305f\uff0e\uff08\u5358\u306b\u624b\u5143\u306b\u4f59\u3063\u3066\u3044\u308bES9038PRO\u30c1\u30c3\u30d7\u306e\u6709\u52b9\u306a\u4f7f\u3044\u65b9\u3092\u63a2\u3057\u3066\u3044\u305f\u3068\u3044\u3046\u306e\u304c\u672c\u5f53\u306e\u3068\u3053\u308d\u3060\u308d\u3046\u304b\uff0e\uff0e\uff0e\uff09<\/p>\r\n
\r\n

ES9038PRO DAC\u30dc\u30fc\u30c9\u306e\u30de\u30eb\u30c1\u30c1\u30e3\u30cd\u30eb\u5316\u3092\u691c\u8a0e\u3059\u308b<\/h4>\r\n
\r\n

\u4e16\u306e\u4e2d\u306bES9038PRO\u3092\u4f7f\u7528\u3057\u305f\u5e02\u8ca9\u54c1\u306eDAC\u30dc\u30fc\u30c9\u3084\u81ea\u4f5c\u7528\u306e\u57fa\u677f\u88fd\u54c1\u306f\u5e7e\u3064\u304b\u51fa\u307e\u308f\u3063\u3066\u3044\u308b\u304c\u3001ES9830PRO\u306e8\u500b\u306eDAC\u30928ch DAC \u3068\u3057\u3066\u4f7f\u7528\u53ef\u80fd\u306a\u88fd\u54c1\u306f\u79c1\u306e\u77e5\u308b\u9650\u308a\u3001”\u97f3\u5c4b \u3068\u3089\u305f\u306c<\/a>” \u3055\u3093\u306e\u81ea\u4f5c\u7528DAC\u57fa\u677f “http:\/\/toukiyakoneko.web.fc2.com\/ES9038PRO_Multi_Channel_DAC-V1.0.5.pdf” \u4f4d\u3060\u308d\u3046\u304b\uff0e<\/p>\r\n
\r\n

\u3053\u308c\u4ee5\u5916\u306e\u81ea\u4f5c\u7cfbES9038PRO DAC\u57fa\u677f\u306f\u3001\u79c1\u304c\u4f7f\u3063\u3066\u3044\u308bDIYINHK\u306e\u57fa\u677f\u3082\u542b\u3081\u3066\u3001\u7686\u8907\u6570\u306eDAC\u56de\u8def\u3092\u675f\u306d\u3066 “2ch STEREO(4\u500b\u306eDAC\u51fa\u529b\u3092\u30d1\u30e9\u30ec\u30eb\u5408\u6210 x 2)” \u307e\u305f\u306f “mono”(8 \u500b\u306eDAC\u51fa\u529b\u3092\u30d1\u30e9\u30ec\u30eb\u5408\u6210 x 1\uff09” \u3057\u3066\u3044\u308b\uff0e\u6240\u8b02\u529b\u305a\u304f\u65b9\u5f0f\u3067\u6027\u80fd\u3092\u7121\u7406\u77e2\u7406\u826f\u304f\u898b\u305b\u304b\u3051\u308b\u30bf\u30a4\u30d7\u306e\u56de\u8def\u69cb\u6210\u3060\uff0e<\/p>\r\n
\r\n

\u79c1\u306e\u624b\u5143\u306b\u3042\u308bDIYINHK\u306e2\u7a2e\u985e\u306eES9038PRO\u5bfe\u5fdcDAC\u57fa\u677f\u306f\u3001\u4f55\u308c\u30824\u500b\u306eDAC\u51fa\u529b\u3092\u30d1\u30e9\u5408\u6210\u3059\u308b\u30bf\u30a4\u30d7\u306e\u7269\u3060\uff0e\u81ea\u5206\u3067DAC\u30c1\u30c3\u30d7\u306e0.5mm\u30d4\u30c3\u30c1\u306e\u30d4\u30f3\u914d\u7dda\u306e\u30d1\u30fc\u30bf\u30fc\u30f3\u3092\u52a0\u5de5\u3057\u30668\u500b\u306eDAC\u306e\u5165\u51fa\u529b\u3092\u500b\u5225\u306b\u5207\u308a\u51fa\u3059\u4e8b\u3092\u6700\u521d\u306f\u8003\u3048\u305f\u304c\u3001\u3053\u306e\u30d1\u30bf\u30fc\u30f3\u306e\u7dfb\u5bc6\u3055\u3067\u306f\u3068\u3066\u3082\u4eba\u9593\u696d\u3067\u306f\u3067\u304d\u305d\u3046\u3082\u306a\u3044\uff0e0.5mm\u9593\u9694\u3067\u8d85\u6975\u7d30\u7dda\u3092IC\u30d4\u30f3\u306b\u76f4\u63a5\u534a\u7530\u4ed8\u3051\u3059\u308b\u4e8b\u306a\u3069\u975e\u73fe\u5b9f\u7684\u3060\uff0e…\u3068\u3044\u3046\u8a33\u3067\u3053\u306e\u65b9\u6cd5\u306f\u65e9\u3005\u306b\u8ae6\u3081\u305f\uff0e<\/p>\r\n
\r\n

\r\n\"ES9038PRO\r\n
\r\n“ES9028PRO ES9018 32bit Audio DAC PCB” \u306eDAC\u30c1\u30c3\u30d7\u914d\u7dda\u30d1\u30bf\u30fc\u30f3<\/span>\r\n
\r\n
\r\n\"ES9038PRO \r\n
\r\n\u3053\u3061\u3089\u306f4\u5c64\u57fa\u677f\u306a\u306e\u3067\u30d1\u30bf\u30fc\u30f3\u30ab\u30c3\u30c8\u3059\u3089\u96e3\u3057\u3044\uff08\u9650\u308a\u306a\u304f\u56f0\u96e3\u306a\u4f5c\u696d\u304c\u5f85\u3061\u69cb\u3048\u3066\u3044\u308b\uff09<\/span>\r\n
\r\n<\/diV>\r\n
\r\n

ESS\u793e\u3068\u306e\u9593\u306eNDA\u5951\u7d04\u306e\u554f\u984c\u304c\u6709\u308b\u306e\u3067DAC\u30c1\u30c3\u30d7\u306e\u8a73\u7d30\u306a\u4ed5\u69d8\u306f\u4e00\u822c\u306b\u516c\u958b\u3067\u304d\u306a\u3044\u304c\u3001pin #2-5\u3001#12-15\u3001#34-37\u3001#44-47 \u304c8\u500b\u306eDAC\u51fa\u529b\uff08\u5199\u771f\u3067\u306f\u5de6\u53f3\u306b\u914d\u7f6e\uff09\u3001pin #52-60 \u304cDAC\u5165\u529b\u4fe1\u53f7(DAC #1-8 & BCK\uff09\uff08\u4e0a\u90e8\uff09\u3068\u306a\u3063\u3066\u3044\u308b\uff0e\u4f55\u308c\u3082DAC\u306e\u30d4\u30f3\u914d\u7dda\u90e8\u5206\u3067\u51fa\u529b\u304c\u52a0\u7b97\uff08\u5408\u6210\uff09\u3055\u308c\u3066\u3044\u308b\u3053\u3068\u304c\u5224\u308b\u3060\u308d\u3046\uff0e\u5165\u529b\u5074\u30821\u7cfb\u7d71(2ch)\u306ePCM\u4fe1\u53f7\u3092\u4ed6\u306e3\u7cfb\u7d71\u306b\u5206\u914d\u3057\u3066\u3044\u308b\u4e8b\u304c\u8aad\u307f\u53d6\u308c\u308b\u3067\u3042\u308d\u3046\uff0e<\/p>\r\n
\r\n
\r\n

\u7d50\u5c40DAC\u30c1\u30c3\u30d7\u3060\u3051\u3092\u30a2\u30c9\u30aa\u30f3\u5316\u3059\u308b\u4e8b\u3067\u624b\u629c\u304d\u3059\u308b\u4e8b\u306b\uff0e\uff0e\uff0e<\/h4>\r\n
\r\n

\u6642\u9593\u304c\u3042\u308c\u3070\u81ea\u5206\u3067\u4e00\u304b\u3089\u57fa\u677f\u30ec\u30a4\u30a2\u30a6\u30c8\u3092\u4f5c\u6210\u3057\u3001\u81ea\u5206\u5c02\u7528\u306ePCB\u3092\u4f5c\u308a\u305f\u3044\u3068\u3053\u308d\u3060\u304cPOC\u7528\u306e\u30d7\u30ed\u30c8\u30bf\u30a4\u30d7\u7528\u9014\u306e\u305f\u3081\u306b\u308f\u3056\u308f\u3056\u57fa\u677f\u3092\u8d77\u3053\u3059\u306e\u3082\u5272\u306b\u5408\u308f\u306a\u3044\u306e\u3067\u3001\u7a76\u6975\u306e\u624b\u629c\u304d\u3068\u3044\u3046\u4e8b\u3067DAC\u30c1\u30c3\u30d7\u3060\u3051\u3092T-QFP(64pin 0.5mm\uff09\u30e6\u30cb\u30d0\u30fc\u30b5\u30eb\u5909\u63db\u57fa\u677f\u306b\u8f09\u305b\u3066\u3001”ES9830PRO DAC\u30dc\u30fc\u30c9” \u306e\u305d\u306e\u4ed6\u306e\u90e8\u5206\u306f\u6975\u529b\u6709\u52b9\u5229\u7528\u3059\u308b\u3053\u3068\u306b\u3057\u305f\uff0e<\/p>\r\n
\r\n

\u3053\u306e\u65b9\u6cd5\u306a\u3089\u624b\u9593\u306f\u305d\u308c\u306a\u308a\u306b\u639b\u304b\u308b\u304c\u3001\u6642\u9593\u7684\u91d1\u92ad\u7684\u306b\u306f\u304b\u306a\u308a\u5b89\u304f\u4e0a\u304c\u308b\u3053\u3068\u306b\u306a\u308b\uff0e\u4eca\u56de\u306e\u8a66\u4f5c\u306e\u4e3b\u76ee\u7684\u306fES9038PRO\u30928ch DAC\u5316\u3059\u308b\u4e8b\u306a\u306e\u3067\u30018\u5165\u529b\u30018\u51fa\u529b\u304c\u500b\u5225\u306b\u7ba1\u7406\u3067\u304d\u308c\u3070\u826f\u3044\uff0e8ch\u5206\u306e\u5165\u529b\u30d4\u30f3\u306e\u914d\u7f6e\u30688\u7d44\u306eDAC\u5dee\u52d5\u96fb\u6d41\u51fa\u529b\u7aef\u5b50\u3092\u8a2d\u3051\u308b\u3053\u3068\u3068\u3059\u308b\uff0e\u5c1a\u3001\u4eca\u56de\u306fPOC\u304c\u30e1\u30a4\u30f3\u3068\u3044\u3046\u3053\u3068\u3067\u3001\u97f3\u8cea\u7684\u306a\u9762\u3067\u306e\u56de\u8def\u30d1\u30bf\u30fc\u30f3\u3084\u914d\u7dda\u306e\u6700\u9069\u5316\u306a\u3069\u306b\u3064\u3044\u3066\u306f\u4e00\u5207\u8003\u616e\u3057\u306a\u3044\uff0e<\/p>\r\n
\r\n

\u4eca\u56de\u4f7f\u7528\u3059\u308b\u57fa\u677f\u306f\u4f7f\u308f\u305a\u306b\u624b\u5143\u306b\u6b8b\u3063\u3066\u3044\u305f DIYINHK \u306e\u3001
\r\n
\r\n\u3000\u3000“ES9038PRO XMOS DSD DXD 768kHz USB DAC with Bit-perfect volume control and SPDIF input”<\/a>
\r\n
\r\n\u3092\u4f7f\u3046\u3053\u3068\u306b\u3059\u308b\uff0eI\/V\u5909\u63db\u7528\u306e\u56de\u8def\u3084\u30c1\u30c3\u30d7\u62b5\u6297\u3001\u30b3\u30f3\u30c7\u30f3\u30b5\u3001IV\u5909\u5316\u7528\u306eOP\u30a2\u30f3\u30d7\u304c\u5b9f\u88c5\u3055\u308c\u3066\u3044\u308b\u306e\u3067\u3001\u5dee\u52d5\u5408\u6210\u7528\u306eOP\u30a2\u30f3\u30d7\u3092\uff11\u500b\u7528\u610f\u3059\u308b\u3060\u3051\u3067\u7c21\u5358\u306a\u97f3\u51fa\u3057\u30c6\u30b9\u30c8\u304c\u884c\u3048\u308b\uff0e\u52ff\u8ad6\u3001\u3053\u306e\u56de\u8def\u306f1\u30c1\u30e3\u30cd\u30eb\u5f53\u305f\u308a4\u500b\u306eDAC\u3092\u5408\u6210\u3059\u308b\u524d\u63d0\u3067\u8a2d\u8a08\u3055\u308c\u3066\u3044\u308b\u306e\u3067\u30011\u500b\u306eDAC\u51fa\u529b\u306b\u5bfe\u5fdc\u3055\u305b\u308b\u5834\u5408\u306fI\/V\u62b5\u6297\u306e\u5024\u30924\u500d\u306b\u3057\u3066\u51fa\u529b\u30ec\u30d9\u30eb\u3092\u8abf\u6574\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\uff0e\u3053\u306e\u57fa\u677f\u306eI\/V\u5909\u63db\u3001\u5dee\u52d5\u5408\u6210\u56de\u8def\u3067\u97f3\u8cea\u7684\u306b\u6975\u3081\u3088\u3046\u3068\u306f\u601d\u308f\u306a\u3044\u304c\u3001\u30e2\u30cb\u30bf\u30fc\u7528\u9014\u3068\u3057\u3066\u306f\u3053\u306e\u56de\u8def\u3067\u5341\u5206\u3060\u308d\u3046\uff0e\uff08\u3053\u306e\u57fa\u677f\u306eI\/V\u5909\u63db\u3084\u5dee\u52d5\u5408\u6210\u56de\u8def\u306e\u6982\u8981\u306b\u3064\u3044\u3066\u306f\u3001\u5225\u306a\u6a5f\u4f1a\u306b\u7d39\u4ecb\u3057\u3088\u3046\u3068\u601d\u3046. \uff09<\/p>\r\n
\r\n
\r\n

\r\n\"ES9038PRO\r\n
\r\n“ES9038PRO DAC PCB”\u306e\u8868\u9762\u5b9f\u88c5\u30d1\u30fc\u30c4\u5074\u306e\u30ec\u30a4\u30a2\u30a6\u30c8<\/span>\r\n
\r\n
\r\n\"ES9038PRO\r\n
\r\n\u30b9\u30eb\u30fc\u30db\u30fc\u30eb\u53d6\u308a\u4ed8\u3051\u90e8\u54c1\u5074\uff08\u8868\u9762\uff1f\uff09\u306b\u30d1\u30fc\u30c4\u3092\u5b9f\u88c5\u3059\u308b\u3068\u3053\u3093\u306a\u611f\u3058<\/span>\r\n
\r\n<\/diV>\r\n
\r\n

\u4eca\u56de\u306fDAC\u30c1\u30c3\u30d7\u5b9f\u88c5\u7528\u306eT-QFP64pinDIP\u5909\u63db\u57fa\u677f\u306eDIP\u30d4\u30f3\u306e\u9699\u9593\u3092\u5229\u7528\u3057\u3066\u30d1\u30b9\u30b3\u30f3\u3092\u5b9f\u88c5\u3059\u308b\uff0e\u30d1\u30b9\u30b3\u30f3\u306f\u6975\u529bDAC\u30c1\u30c3\u30d7\u306e\u30d4\u30f3\u8fd1\u508d\u306b\u914d\u7f6e\u3057\u305f\u3044\u3068\u3053\u308d\u3060\u304c\u3001DIP\u5909\u63db\u57fa\u677f\u3092\u4f7f\u3046\u306e\u3067\u30d1\u30b9\u30b3\u30f3\u306e\u4f4d\u7f6e\u304cDAC\u30c1\u30c3\u30d7\u304b\u3089\u9060\u304f\u306a\u308b\u306e\u306f\u907f\u3051\u3089\u308c\u306a\u3044\uff0e\uff08\u89aa\u57fa\u677f\u5074\u306e\u30c1\u30c3\u30d7\u30bb\u30e9\u30df\u30c3\u30af\u30b3\u30f3\u30c7\u30f3\u30b5\u3082\u305d\u306e\u307e\u307e\u6d3b\u304d\u3066\u3044\u308b\uff09<\/p>\r\n
\r\n

ES9038PRO DAC\u57fa\u677f\u3067\u306f\u3001\u30c7\u30b8\u30bf\u30eb3.3V\u7cfb\u3001\u30a2\u30ca\u30ed\u30b03.3V\u7cfb\uff08L,R\u5225\u306e2\u7cfb\u7d71\uff09\u3001\u30c7\u30b8\u30bf\u30eb 1.2V\u7cfb\u3001\u30a2\u30ca\u30ed\u30b01.2V\u7cfb\uff08L,R\u5225\u306e2\u7cfb\u7d71\uff09\u306e6\u7cfb\u7d71\u306e\u96fb\u6e90\u304c\u7528\u610f\u3055\u308c\u3066\u3044\u308b\uff0e1.2V\u7cfb\u306f3.3V\u7cfb\u7d71\u304b\u30891.2V\u51fa\u529b\u7528\u306e\u30ec\u30ae\u30e5\u30ec\u30fc\u30bfIC\u3092\u4f7f\u3063\u3066\u57fa\u677f\u4e0a\u3067\u751f\u6210\u3057\u3066\u3044\u308b\uff0e\u4eca\u56de\u306f\u3001ES9038PRO DAC\u57fa\u677f\u3068\u540c\u3058\u3088\u3046\u306b\u3053\u308c\u30896\u7cfb\u7d71\u306e\u96fb\u6e90\u3092DAC\u30c1\u30c3\u30d7\u306b\u4f9b\u7d66\u3059\u308b\u304c\u3001\u96fb\u6e90\u306f\u89aa\u57fa\u677f\u5074\u306b\u81e8\u6642\u306e\u30b3\u30cd\u30af\u30bf\u3092\u7528\u610f\u3057\u3001\u89aa\u57fa\u677f\u5074\u304b\u3089\u3053\u308c\u30896\u7cfb\u7d71\u306e\u96fb\u6e90\u3092DIP\u5909\u63db\u57fa\u677f\u5074\u306b\u305d\u306e\u307e\u307e\u4f9b\u7d66\u3059\u308b\uff0e<\/p>\r\n
\r\n
\r\n

\r\n\"DC\r\n
\r\n\u89aa\u57fa\u677f\u5074\u306e6\u7cfb\u7d71\u306e\u96fb\u6e90\u3092\u305d\u306e\u307e\u307eDAC\u30c1\u30c3\u30d7\u57fa\u677f\u5074\u3078\u30b3\u30cd\u30af\u30bf\u3092\u901a\u3058\u3066\u6e21\u3057\u3066\u3044\u308b<\/span>\r\n
\r\n
\r\n\"Add-on\r\n
\r\n\u89aa\u57fa\u677f\u3068\u30a2\u30c9\u30aa\u30f3DAC\u57fa\u677f<\/span>\r\n
\r\n
\r\n\"stacking\r\n
\r\n\u30b9\u30da\u30fc\u30b9\u3092\u8abf\u6574\u53ef\u80fd\u306a\u57fa\u677f\u9023\u7d50\u7528\u30ed\u30f3\u30b0\u30d4\u30f3\u30d8\u30c3\u30c0\uff08\u30b3\u30cd\u30af\u30bf\uff09\u3092\u4f7f\u7528\u3057\u305f<\/span>\r\n
\r\n<\/diV>\r\n
\r\n

\u5c1a\u3001\u5199\u771f\u3067\u306f\u30c7\u30b8\u30bf\u30eb3.3V\u7cfb\u306e\u96fb\u6e90\u30826P\u30b3\u30cd\u30af\u30bf\u3092\u901a\u3058\u3066\u4f9b\u7d66\u3059\u308b\u3088\u3046\u306b\u306a\u3063\u3066\u3044\u308b\u304c\u3001\u30b3\u30cd\u30af\u30bf\u540c\u58eb\u304c\u5e72\u6e09\u3057\u3066\u4e0a\u624b\u304f\u884c\u304b\u306a\u304b\u3063\u305f\u306e\u3067\u3001GND\u3068\u30c7\u30b8\u30bf\u30eb3.3V\u7cfb\u306f\u30e1\u30a4\u30f3\u306e\u57fa\u677f\u30b9\u30bf\u30c3\u30af\u7528\u4fe1\u53f7\u30b3\u30cd\u30af\u30bf\uff0820pin\uff09\u3092\u901a\u3058\u3066\u4f9b\u7d66\u3059\u308b\u65b9\u5f0f\u306b\u5909\u66f4\u3057\u305f\uff0e\u884c\u304d\u5f53\u305f\u308a\u30d0\u30c3\u30bf\u30ea\u3067\u4f5c\u3063\u3066\u884c\u3063\u305f\u306e\u3067\u3053\u306e\u8fba\u306e\u6240\u306b\u3069\u3046\u3057\u3066\u3082\u30dc\u30ed\u304c\u3067\u3066\u3057\u307e\u3046\uff0e\uff0e\uff0e<\/p>\r\n
\r\n

\u30a2\u30c9\u30aa\u30f3DAC\u57fa\u677f\u3068\u30e1\u30a4\u30f3\u57fa\u677f\u3092\u3064\u306a\u3052\u308b\u30b9\u30bf\u30c3\u30af\u7528\u4fe1\u53f7\u30b3\u30cd\u30af\u30bf\u306f\u3001Raspbery Pi\u7528\u306a\u3069\u306e\u57fa\u677f\u9023\u7d50\u7528\u3068\u3057\u3066\u58f2\u3089\u308c\u3066\u3044\u308b\u30ed\u30f3\u30b0\u30bf\u30a4\u30d7\u306e\u30d4\u30f3\u30d8\u30c3\u30c0\uff08\u30d4\u30f3\u30b3\u30cd\u30af\u30bf\uff09\u3092\u5229\u7528\u3057\u3066\u3001\u57fa\u677f\u9593\u306e\u9ad8\u3055\u3092\u8abf\u7bc0\u3057\u3084\u3059\u304f\u3057\u3066\u3042\u308b\uff0e<\/p>\r\n
\r\n

DAC\u7528\u306e\u5916\u90e8\u30af\u30ed\u30c3\u30af\uff08NDK SD2520: 80MHz\uff09\u306f\u89aa\u57fa\u677f\u5074\u304b\u3089\u30b3\u30cd\u30af\u30bf\u7d4c\u7531\u3067\u4f9b\u7d66\u3059\u308b\u65b9\u6cd5\u3092\u8003\u3048\u3066\u3044\u305f\u304c\u3001\u914d\u7dda\u9577\u304c\u9577\u304f\u306a\u308a\u4e0d\u5b89\u5b9a\u3060\u3063\u305f\u306e\u3067\u5f8c\u3067DIP\u5909\u63db\u57fa\u677f\u5074\u306e\u8fd1\u304f\u306b\u79fb\u52d5\u3057\u305f\uff0e\u30af\u30ed\u30c3\u30af\u7cfb\u306e\u914d\u7dda\u306f\u304b\u306a\u308a\u6c17\u3092\u9063\u3063\u3066\u914d\u7f6e\u3092\u6700\u9069\u5316\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\uff0e<\/p>\r\n
\r\n
\r\n

\r\n\"Add-on\r\n
\r\n\u6700\u7d42\u7684\u306b\u306fDAC\u30af\u30ed\u30c3\u30af\u30b8\u30a7\u30cd\u30ec\u30fc\u30bf\u3092\u30a2\u30c9\u30aa\u30f3DAC\u57fa\u677f\u5074\u3078\u79fb\u8a2d\u3057\u305f<\/span>\r\n
\r\n
\r\n\"8ch\r\n
\r\n\u30a2\u30c9\u30aa\u30f3DAC\u57fa\u677f\u3068\u30e1\u30a4\u30f3\u57fa\u677f\u3092\u30b9\u30bf\u30c3\u30af\u3059\u308b<\/span>\r\n
\r\n
\r\n\"8ch\r\n
\r\n\u3053\u3093\u306a\u611f\u3058\u3067\u57fa\u677f\u3092\u91cd\u306d\u308b<\/span>\r\n
\r\n
\r\n\"8ch\r\n
\r\n\u88cf\u304b\u3089\u898b\u308b\u3068\u3061\u3087\u3063\u3068\u4e0d\u683c\u597d\u3060<\/span>\r\n
\r\n
\r\n\"DAC\r\n
\r\nDAC #1,3,5,7 \u21d2 Left channel\u3001DAC #2,4,6,8 \u21d2 Right channel \u3092\u30b3\u30cd\u30af\u30bf\uff06\u30b3\u30fc\u30c9\u3067\u5408\u6210<\/span>\r\n
\r\n<\/diV>\r\n
\r\n
\r\n
\r\n

\u5b9f\u9a13\u541b<\/h3>\r\n
\r\n

\u4eca\u56de\u4f5c\u6210\u3057\u305fDIYINHK\u306eES9038PRO\u57fa\u677f\u3092\u30d9\u30fc\u30b9\u306b\u3057\u305f\u30de\u30eb\u30c1\u30c1\u30e3\u30cd\u30eb\u5316DAC\u57fa\u677f\u3092\u7528\u3044\u3066\u3001\u30de\u30eb\u30c1\u30c1\u30e3\u30cd\u30ebPCM\u4fe1\u53f7\u304c\u304d\u3061\u3093\u3068\u518d\u751f\u3055\u308c\u308b\u304b\u3069\u3046\u304b\u3092\u30c6\u30b9\u30c8\u3057\u3066\u307f\u305f\uff0e<\/p>\r\n
\r\n

\u5148\u65e5\u5165\u624b\u3057\u305fDIYINHK\u306e “XMOS Multichannel high-quality USB to\/from I2S\/DSD SPDIF PCB<\/a>“\u306e\u30de\u30eb\u30c1\u30c1\u30e3\u30cd\u30ebPCM\u4fe1\u53f7\u3068DAC\u51fa\u529b\u30c1\u30e3\u30cd\u30eb\u306e\u5272\u308a\u5f53\u3066\u3092\u78ba\u8a8d\u3057\u305f\u3068\u3053\u308d\u3001\u5f53\u521d\u306e\u60f3\u5b9a\u901a\u308a\u3001
\r\n
\r\n\u3000\u3000Front Left : DAC ch. #1 \uff08DATA pin\uff09
\r\n\u3000\u3000Front Right : DAC ch. #2 \uff08DATA pin\uff09
\r\n\u3000\u3000Front Center : DAC ch. #3 \uff08DO2 pin\uff09
\r\n\u3000\u3000Bass : DAC ch. #4 \uff08DO2 pin\uff09
\r\n\u3000\u3000Surround(Rear) Left : DAC ch. #5 \uff08DO3 pin\uff09
\r\n\u3000\u3000Surround(Rear) Right : DAC ch. #6 \uff08DO3 pin\uff09
\r\n
\r\n\u3068\u8a00\u3046\u7d44\u307f\u5408\u308f\u305b\u3060\u3063\u305f\uff0e
\r\n<\/p>\r\n
\r\n

\r\n\"\u5b9f\u9a13\u541b\"\r\n
\r\n\u30de\u30eb\u30c1\u30c1\u30e3\u30cd\u30eb\u5316\u3057\u305fES9038PRO DAC\u57fa\u677f\u3092\u30c6\u30b9\u30c8\u3057\u3066\u3044\u308b\u69d8\u5b50<\/span>\r\n
\r\n
\r\n\"DIYINHK\r\n
\r\nDIYINHK USB\u30de\u30eb\u30c1\u30c1\u30e3\u30cd DDI\u3068\u306e\u63a5\u7d9a\u30c6\u30b9\u30c8<\/span>\r\n
\r\n
\r\n\"Testing\r\n
\r\nLightMPD-Botic\u3067\u306e\u30de\u30eb\u30c1\u30c1\u30e3\u30cd\u30eb\u63a5\u7d9a\u30c6\u30b9\u30c8<\/span>\r\n
\r\n
\r\n\"Test-tone\r\n
\r\n\u30d5\u30eb\u30b9\u30b1\u30fc\u30eb\u306e\u6b63\u5f26\u6ce2\u30c6\u30b9\u30c8\u4fe1\u53f7\u3067\u5404\u30c1\u30e3\u30cd\u30eb\u306e\u632f\u5e45\u30ec\u30d9\u30eb\u3092\u30c1\u30a7\u30c3\u30af\u3059\u308b<\/span>\r\n
\r\n
\r\n\"checking \r\n
\r\nDIYINHK\u306e\u30de\u30eb\u30c1\u30c1\u30e3\u30cd\u30ebUSB DDI \u306e\u30c1\u30e3\u30cd\u30eb\u30a2\u30b5\u30a4\u30f3\u3092\u30c1\u30a7\u30c3\u30af\u3059\u308b<\/span>\r\n
\r\n
\r\n<\/diV>\r\n

\u3010\u88dc\u8db3\u3011ES9038PRO DAC\u57fa\u677f\u306eI\/V\u5909\u63db\u56de\u8def <\/h4>\r\n
\r\n\r\n

DIYINHK\u306eES9038PRO DAC\u57fa\u677f\u3067\u306f\u3001TI\u306eOPA1688<\/a>\u3092I\/V\u5909\u63db\u7528\u9014\u306b\u4f7f\u7528\u3057\u3066\u3044\u308b\uff0e\u3053\u306eOP\u30a2\u30f3\u30d7\u81ea\u4f53\u306f\u6bd4\u8f03\u7684\u6700\u8fd1\u306e\u7269\u3067\u3001\u51fa\u529b\u96fb\u6d41(Typical)\u304c75mA\u3067\u8a2d\u8a08\u3055\u308c\u3066\u304a\u308a\u6bd4\u8f03\u7684\u5927\u96fb\u6d41\u3067\u306e\u30c9\u30e9\u30a4\u30d6\u304c\u53ef\u80fd\u3060\uff0eES9038PRO DAC\u30c1\u30c3\u30d7\u306e4\u500b\u306eDAC\u3092\u675f\u306d\u308b\u306860\u301c70mA\u7a0b\u5ea6\u306e\u96fb\u6d41\u304c\u6d41\u308c\u308b\u3053\u3068\u306b\u306a\u308b\u306e\u3067\u3001\u3053\u306eOP\u30a2\u30f3\u30d7\u306e\u96fb\u6d41\u30c9\u30e9\u30a4\u30d6\u80fd\u529b\u3092\u6301\u3063\u3066\u3057\u3066\u3082\u30ae\u30ea\u30ae\u30ea\u8a31\u5bb9\u7bc4\u56f2\u3068\u8a00\u3048\u308b\u3060\u308d\u3046\uff0e<\/p>\r\n
\r\n

\u5b9f\u969b\u306eES9038PRO DAC\u57fa\u677f\u306e\u56de\u8def\u3067\u306f\u3001(+)\u5165\u529b\u7aef\u5b50\u5074\u306bOffset\u96fb\u5727\u3092\u5358\u7d14\u306a\u62b5\u6297\u5206\u5727\u306b\u3088\u3063\u3066\u52a0\u3048\u3066\u3042\u308b\u306e\u3067\u3001I\/V\u62b5\u6297\u306b\u6d41\u308c\u308b\u30d4\u30fc\u30af\u51fa\u529b\u96fb\u6d41\u3092\u6291\u3048\u3066\u3042\u308b\uff0e\u5206\u5727\u62b5\u6297\u304c2.49K\u30681.50K\u306a\u306e\u3067 Offset\u96fb\u5727\u306f\u3000Voff = Vcc(3.3V) x 0.624 = 2.06V \u3067\u8a2d\u8a08\u3055\u308c\u3066\u3044\u308b\uff0e<\/p>\r\n
\r\n

I\/V\u5909\u63db\u5f8c\u306e\u96fb\u5727\u5024\u306f\u5358\u7d14\u306b\u51fa\u529b\u96fb\u6d41\u3068I\/V\u62b5\u6297\u306e\u7a4d\u3068\u306a\u308b\u306e\u3067\u3001DAC\u51fa\u529b\u304c1\u56de\u8def\u306e\u5834\u5408\u540c\u3058\u51fa\u529b\u96fb\u5727\u30ec\u30d9\u30eb\u3092\u7dad\u6301\u3059\u308b\u306b\u306fI\/V\u62b5\u6297\u306e\u5024(82.5\u03a9\uff09\u30924\u500d\u3059\u308c\u3070\u826f\u3044\uff0eDAC1\u56de\u8def\u5206\u306e\u96fb\u6d41\u51fa\u529b\u3067\u306f\u62b5\u6297\u5206\u5727\u306b\u3088\u308bOffset\u96fb\u5727\u3092\u52a0\u3048\u308b\u5fc5\u8981\u3082\u306a\u3044\u306e\u3067\u3001\u3053\u306eOffset\u7528\u5206\u5727\u62b5\u6297\u306f\u9664\u53bb\uff08 +\u5165\u529b\u7aef\u5b50\u3092GND\u306b\u843d\u3068\u3059\uff09\u3057\u305f\u65b9\u304c\u826f\u3044\u3060\u308d\u3046\uff0e\u62b5\u6297\u306e\u71b1\u96d1\u97f3\u304cOP\u30a2\u30f3\u30d7\u306e\u5165\u529b\u306b\u52a0\u308f\u308b\u3053\u3068\u306b\u306a\u308b\u306e\u3067\u3001\u97f3\u8cea\u7684\u306b\u306f\u5b8c\u5168\u306a\u30de\u30a4\u30ca\u30b9\u8981\u56e0\u3060\uff0e<\/p>\r\n
\r\n

ES9038PRO\u306eI\/V\u5909\u63db\u56de\u8def\u306b\u3064\u3044\u3066\u8a73\u3057\u304f\u77e5\u308a\u305f\u3044\u5834\u5408\u306f\u3001\u304a\u6c17\u697d\u30aa\u30fc\u30c7\u30a3\u30aa\u3055\u3093\u306e\u30da\u30fc\u30b8\u300cES9038PRO\u3092\u5165\u624b\u3057\u307e\u3057\u305f\u3002AK4497\u3082\uff01\uff08PART-4\uff09<\/a>\u300d\u3092\u53c2\u7167\u3059\u308b\u3068\u826f\u3044\u3060\u308d\u3046\uff0e<\/p>\r\n
\r\n
\r\n

\r\n\"ES9038PRO\r\n
\r\nES9038PRO DAC\u57fa\u677f\u306eI\/V\u5909\u63db\u56de\u8def<\/span>\r\n
\r\n
\r\n<\/diV>","protected":false},"excerpt":{"rendered":"\u3000\u524d\u56de\u306e\u8a18\u4e8b \u300cLightMPD-Botic\u3067\u30de\u30eb\u30c1\u30c1\u30e3\u30cd\u30eb\u518d\u751f\u3092\u8a66\u307f\u308b\u300d\u3067\u7d39\u4ecb\u3057\u305f\u3088\u3046\u306b\u3001\u6211\u304c\u5bb6\u306eNW\u30aa\u30fc\u30c7\u30a3\u30aa\u74b0\u5883\u4e0b\u3067\u3082\u30de\u30eb\u30c1\u30c1\u30e3\u30cd\u30eb\u30fc\u30aa\u30fc\u30c7\u30a3\u30aa\u518d\u751f\u306e\u9053\u304c\u898b\u3048\u3066\u304d\u305f\u306e\u3067\u3001\u4eca\u5f8c\u30de\u30eb\u30c1\u30c1\u30e3\u30cd\u30eb\u30aa\u30fc\u30c7\u30a3\u30aa\u518d\u751f\u74b0\u5883\u3092\u6574\u3048\u3066\u884c\u3053\u3046\u3068\u601d\u3046\uff0e
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