{"id":5663,"date":"2017-07-01T23:48:30","date_gmt":"2017-07-01T14:48:30","guid":{"rendered":"https:\/\/y2tech.net\/blog\/?p=5663"},"modified":"2017-07-02T18:47:06","modified_gmt":"2017-07-02T09:47:06","slug":"diyinhk-es90x8pro-reference-board","status":"publish","type":"post","link":"https:\/\/y2tech.net\/blog\/audio\/digital-audio\/diyinhk-es90x8pro-reference-board-5663\/","title":{"rendered":"DIYINHK ES90x8PRO\u30ea\u30d5\u30a1\u30ec\u30f3\u30b9\u57fa\u677f"},"content":{"rendered":"

ES90x8PRO\u30ea\u30d5\u30a1\u30ec\u30f3\u30b9\u57fa\u677f\u3067\u97f3\u51fa\u3057\u30c6\u30b9\u30c8<\/h3>\r\n
\r\n
\r\n\"ES9028PRO\r\n
\r\n\u57fa\u677f\u306e\u8868\u9762\uff1f\u306b\u306f\u62b5\u6297\u3001\u30b3\u30f3\u30c7\u30f3\u30b5\u3001OP\u30a2\u30f3\u30d7\u306a\u3069\u306e\u30b9\u30eb\u30fc\u30db\u30fc\u30eb\u90e8\u54c1\u3092\u5b9f\u88c5<\/span>\r\n
\r\n
\r\n\"ES9028PRO\r\n
\r\n\u57fa\u677f\u306e\u88cf\u9762\u306b\u306f\u4e3b\u306b\u8868\u9762\u5b9f\u88c5\u90e8\u54c1\u3092\u5b9f\u88c5\u3059\u308b\u3053\u3068\u306b\u3059\u308b<\/span>\r\n
\r\n
\r\n<\/div>\r\n
\r\n

\u5148\u65e5\u3001DIYINHK\u304b\u3089ES9018S\u7528\u306e\u30ea\u30d5\u30a1\u30ec\u30f3\u30b9\u57fa\u677f\uff08\u57fa\u677f\u306e\u307f\u306e\u9812\u5e03\uff09\u304c\u30ea\u30cb\u30e5\u30fc\u30a2\u30eb\u3055\u308c\u3066ES9028PRO\/ES9038PRO\u306b\u3082\u5bfe\u5fdc\u53ef\u80fd\u3068\u306a\u3063\u305f\uff0e\u307e\u3060\u624b\u5143\u306b\u672a\u4f7f\u7528\u306eES9038PRO\u30c1\u30c3\u30d7\u304c\u4f59\u3063\u3066\u3044\u308b\u306e\u3067\u3001\u3053\u306e\u57fa\u677f\u30922\u679a\u7a0b\u8cfc\u5165\u3057\u3066\u307f\u305f\uff0e<\/p>\r\n
\r\n

\u524d\u306e\u8a18\u4e8b\u3067\u7d39\u4ecb\u3057\u305f\u3001DIYINHK\u306eES9038PRO\u30ad\u30c3\u30c8\u306fI\/V\u5909\u63db\uff08\u96fb\u5727\u5909\u63db\u30e2\u30fc\u30c9\uff1f\uff09\u7528\u306eOPA1688\u3084\u30ed\u30fc\u30d1\u30b9\u30d5\u30a3\u30eb\u30bf\u30fc\u306a\u3069\u306e\u56de\u8def\u304c\u7d44\u307f\u8fbc\u307e\u308c\u3066\u3057\u307e\u3063\u3066\u304a\u308a\u3001\u30e6\u30fc\u30b6\u304c\u81ea\u7531\u306b\u5909\u66f4\u3067\u304d\u308b\u90e8\u5206\u306f\u6700\u7d42\u6bb5\u306e\u5dee\u52d5\u51fa\u529b\u5909\u63dbOP\u30a2\u30f3\u30d7\u304f\u3089\u3044\u3057\u304b\u306a\u304b\u3063\u305f\uff0e<\/p>\r\n
\r\n

\u4eca\u56de\u306e\u3053\u306e\u57fa\u677f\u306f\u3001\u57fa\u677f\u306e\u30b5\u30a4\u30ba\u304c 100mm x 100mm \u3068\u4f59\u88d5\u3092\u6301\u305f\u305b\u305f\u4f5c\u308a\u3068\u306a\u3063\u3066\u304a\u308a\u3001\u5358\u7d14\u306a\u4e8c\u5c64\u57fa\u677f\u3067\u30b9\u30eb\u30fc\u30db\u30fc\u30eb\u90e8\u54c1\u3068\u8868\u9762\u5b9f\u88c5\u30c1\u30c3\u30d7\u90e8\u54c1\u306e\u4e21\u65b9\u306b\u5bfe\u5fdc\u3067\u304d\u308b\u3088\u3046\u306b\u4f5c\u3089\u308c\u3066\u3044\u308b\uff0e\u5f93\u3063\u3066\u3001\u30e6\u30fc\u30b6\u304c\u81ea\u5206\u306e\u597d\u307f\u306e\u62b5\u6297\u3084\u30b3\u30f3\u30c7\u30f3\u30b5\u3092\u5b9f\u88c5\u3059\u308b\u3053\u3068\u304c\u53ef\u80fd\u3060\uff0e\u307e\u305f\u3001\u4f7f\u7528\u3059\u308bOP\u30a2\u30f3\u30d7\u3082I\/V\u5909\u63db\u7528\u306b4\u500b\u3001\u5dee\u52d5\u4fe1\u53f7\u5408\u6210\u7528\u306b2\u500b\u306e\u5408\u8a086\u500b\u306e\u30b7\u30f3\u30b0\u30eb\u69cb\u6210OP\u30a2\u30f3\u30d7\uff08DIP8pin\u5bfe\u5fdc\uff09\u3092\u81ea\u7531\u306b\u9078\u3076\u3053\u3068\u304c\u53ef\u80fd\u3060\uff0e<\/p>\r\n
\r\n

\u4f46\u3057\u3001DIYINHK\u306e\u57fa\u677f\u306a\u306e\u3067\u30e6\u30fc\u30b6\u306b\u5bfe\u3059\u308b\u8aac\u660e\u306f\u30db\u30fc\u30e0\u30da\u30fc\u30b8\u3067\u306e\u7c21\u5358\u306a\u89e3\u8aac\u3068\u57fa\u677f\u306b\u5370\u5237\u3055\u308c\u305f\u50c5\u304b\u306a\u6587\u5b57\u3060\u3051\u306a\u306e\u3067\u3001\u3053\u306e\u30dc\u30fc\u30c9\u3092\u4f7f\u7528\u3059\u308b\u306b\u306f\u305d\u308c\u306a\u308a\u306e\u899a\u609f\u304c\u5fc5\u8981\u3060\uff0e\u9006\u306b\u8a00\u3046\u3068\u3001\u305d\u306e\u5206\u30e6\u30fc\u30b6\u306e\u30ab\u30b9\u30bf\u30de\u30a4\u30ba\u304c\u81ea\u7531\u306b\u884c\u3048\u308b\u3068\u3044\u3046\u4e8b\u306a\u306e\u3067\u3001\u81ea\u5206\u3067\u56de\u8def\u3092\u8a2d\u8a08\u3057\u3066\u57fa\u677f\u3092\u8208\u3059\u8fc4\u884c\u304b\u306a\u304f\u3066\u3082\u3001\u62b5\u6297\u3084\u30b3\u30f3\u30c7\u30f3\u30b5\u3001OP\u30a2\u30f3\u30d7\u306a\u3069\u3092\u5909\u3048\u3066\u3044\u3058\u304f\u308a\u5efb\u3057\u3066\u307f\u305f\u3044\u3068\u3046\u3044\u3046\u4eba\u306b\u306f\u6253\u3063\u3066\u4ed8\u3051\u306e\u57fa\u677f\u3060\uff0e<\/p>\r\n
\r\n

\u3053\u306e\u57fa\u677f\u306f\u3001DIYINHK\u306e\u30db\u30fc\u30e0\u30da\u30fc\u30b8\u306e\u8aac\u660e<\/a>\u306b\u3042\u308b\u3088\u3046\u306b\u3001\u5f93\u6765\u306eES9018S\u3068\u65b0\u3057\u3044ES9028PRO\u3067\u4f7f\u7528\u3059\u308b\u3053\u3068\u3092\u524d\u63d0\u306b\u8a2d\u8a08\u3057\u3066\u3042\u308b\uff0eES9038PRO\u3067\u306e\u4f7f\u7528\u306b\u95a2\u3057\u3066\u306fDAC\u5efb\u308a\u306e\u57fa\u677f\u914d\u7dda\u30d1\u30bf\u30fc\u30f3\u3084\u30d4\u30f3\u306e\u5272\u308a\u5f53\u3066\u65b9\u6cd5\u306a\u3069\u304c\u540c\u3058\uff08ES9028PRO\u3068ES9038PRO\u306e\u4e2d\u8eab\u306f\u307b\u307c\u540c\u3058\u7269\uff09\u306a\u306e\u3067\u3001\u4e21\u65b9\u306b\u5bfe\u5fdc\u53ef\u80fd\u306a\u306e\u3060\u304c\u3001ES9038PRO\u306e\u5834\u5408\u306f\u304b\u306a\u308a\u5236\u7d04\u304c\u591a\u3044\u306e\u3067\u6ce8\u610f\u304c\u5fc5\u8981\u3060\uff0e<\/p>\r\n
\r\n

ES9038PRO\u3092\u4f7f\u3046\u5834\u5408\u306e\u6ce8\u610f\u70b9\u3068\u3057\u3066\u3001
\r\n
\r\n
\r\n\u3000\u30fbI\/V\u5909\u63db\u7528\u306e\u62b5\u6297(R1, R2, R3, R4\uff09\u306e\u5024\u3092\u57fa\u677f\u306b\u66f8\u304b\u308c\u3066\u3044\u308b\u6570\u5024\u306e1\/4\u306b\u3059\u308b<\/b>\r\n
\r\n
\r\n\u3000\u3053\u306e\u57fa\u677f\u3067\u306f8\u7d44\u306eDAC\u51fa\u529b\u96fb\u6d41\u30924\u30bb\u30c3\u30c8\u305a\u3064\u675f\u306d\u30662\u30c1\u30e3\u30cd\u30eb\u306e\u30b9\u30c6\u30ec\u30aa\u4fe1\u53f7\u3092\u4f5c\u6210\u3057\u3066\u3044\u308b\uff0eES9028PRO\u306e\u5834\u5408\u306f8\u7d44\u306eDAC\u51fa\u529b\u306e\u5185\u30011\u7d44\u3060\u3051\u3092\u6709\u52b9\u3068\u3057\u3066\u3044\u308b\u306e\u3067\u3001DAC\u51fa\u529b\u96fb\u6d41\u306fES9038PRO\u306e1\/4\u3068\u3044\u3046\u3053\u3068\u306b\u306a\u308b\uff0eES9028PRO\u3092\u57fa\u6e96\u306bI\/V\u5909\u63db\u7528\u306e\u62b5\u6297\u5024\u304c\u8a2d\u5b9a\u3055\u308c\u3066\u3044\u308b\u306e\u3067\u3001ES9038PRO\u3067\u306f\u904e\u5927\u306a\u51fa\u529b\u96fb\u5727\u3068\u306a\u3063\u3066\u3057\u307e\u3046\uff0e\u5f93\u3063\u3066I\/V\u5909\u63db\u62b5\u6297\u306e\u5024\u30921\/4\u306b\u3057\u3066\u8abf\u6574\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\uff0e\u307e\u305f\u3001\u3053\u306e\u62b5\u6297\u306b\u306f\u5927\u96fb\u6d41\uff08\u6700\u5927\u306770mA\u8fd1\u304f\u6d41\u308c\u308b\uff09\u3068\u306a\u308b\u305f\u3081\u3001\u30ef\u30c3\u30c8\u6570\u306e\u9078\u5b9a\u3092\u9593\u9055\u3048\u306a\u3044\u3088\u3046\u306b\u3057\u306a\u3044\u3068\u3044\u3051\u306a\u3044\uff0e70mA\u3067\u306f \u5358\u7d14\u306b\u8a08\u7b97\u3057\u3066\u3082 0.07 x 0.07 x 510 \/ 4 = 0.625 [ W ] \u3068\u306a\u308a\u30011W\u30af\u30e9\u30b9\u306e\u62b5\u6297\u304c\u5fc5\u8981\u3068\u306a\u308b\uff0e<\/p>\r\n
\r\n
\r\n\u3000\u30fb\u4e00\u822c\u7684\u306a\u30aa\u30fc\u30c7\u30a3\u30aa\u7528OP\u30a2\u30f3\u30d7\u306fI\/V\u5909\u63db\u7528\u306b\u7528\u3044\u308b\u3053\u3068\u304c\u3067\u304d\u306a\u3044<\/b>\r\n
\r\n
\r\n\u3000\u4e00\u822c\u7684\u306a\u30aa\u30fc\u30c7\u30a3\u30aa\u7528\u306eOP\u30a2\u30f3\u30d7\u3067\u306f\u3001\u6570mA\u301c\u6570\u5341mA\u7a0b\u5ea6\u3057\u304b\u96fb\u6d41\u3092\u6d41\u3057\u8fbc\u3080\u3053\u3068\u304c\u3067\u304d\u306a\u3044\u306e\u3067\u3001\u3053\u306e\u57fa\u677f\u306e\u3088\u3046\u306b1\u30c1\u30e3\u30f3\u30cd\u30eb\u30674\u30d1\u30e9\u30ec\u30eb\u51fa\u529b\u5408\u6210\u3059\u308b\u3068\u5b8c\u5168\u306a\u96fb\u6d41\u30aa\u30fc\u30d0\u30fc\u72b6\u614b\u3068\u306a\u308a\u3001OP\u30a2\u30f3\u30d7\u304c\u30aa\u30fc\u30d0\u30fc\u30d2\u30fc\u30c8\u3057\u3066\u3057\u307e\u3046\uff0eI\/V\u5909\u63db\u56de\u8def\u3092\u9ad8\u8010\u5165\u529b\u306a\u30c7\u30a3\u30b9\u30af\u30ea\u30fc\u30c8\u56de\u8def\u3067\u7d44\u3080\u304b\u3001OP\u30a2\u30f3\u30d7\u3068\u30d0\u30c3\u30d5\u30a1\u30a2\u30f3\u30d7\u3092\u7d44\u307f\u5408\u308f\u305b\u308b\u306a\u3069\u306e\u5de5\u592b\u304c\u5fc5\u8981\u3060\uff0e<\/p>\r\n
\r\n

Texus Instruments\u793e\u306e\u30db\u30fc\u30e0\u30da\u30fc\u30b8\u3067\u30aa\u30fc\u30c7\u30a3\u30aa\u7528\u306eOP\u30a2\u30f3\u30d7\u3067\u96fb\u6d41\u51fa\u529b\u306e\u5927\u304d\u305d\u3046\u306a\u7269\u304c\u5e7e\u3064\u304b\u30d4\u30c3\u30af\u30a2\u30c3\u30d7\u3055\u308c\u305f\u30da\u30fc\u30b8\u304c\u3042\u3063\u305f\u306e\u3067\u3001\u53c2\u8003\u306b\u3059\u308b\u3068\u826f\u3044\u3060\u308d\u3046\uff0e\r\n
\r\n
\r\n\u3000\u30fbOPA1688<\/a>\u3000\u30002\u56de\u8def\u5165\u308a SOIC CMOS\u3000\u3000\u3000\u51fa\u529b\u96fb\u6d41\uff1a75mA
\r\n\u3000\u30fbOPA1612<\/a>\u3000\u30002\u56de\u8def\u5165\u308a SOIC Bipolar \u51fa\u529b\u96fb\u6d41\uff1a55mA
\r\n\u3000\u30fbOPA1622<\/a>\u3000\u30002\u56de\u8def\u5165\u308a VSON Bipolar \u51fa\u529b\u96fb\u6d41\uff1a145mA
\r\n
\r\n
\r\n

OPA1688\u3067\u306f75mA\u3001OPA1622\u3067145mA\u3068\u306a\u3063\u3066\u3044\u308b\u306e\u3067\u3001ES9038PRO\u3092\u4f7f\u7528\u3059\u308b\u5834\u5408\u306f\u3053\u308c\u3089\u306e\u9ad8\u96fb\u6d41\u51fa\u529b\u30bf\u30a4\u30d7\u306eOP\u30a2\u30f3\u30d7\u3092I\/V\u5909\u63db\u306b\u7528\u3044\u308b\u3053\u3068\u304c\u3067\u304d\u305d\u3046\u3060\uff0e<\/p>\r\n
\r\n
\r\n

\u3068\u308a\u3042\u3048\u305a\u624b\u6301\u3061\u306e\u30d1\u30fc\u30c4\u3067\u5b9f\u88c5\u3057\u3066\u97f3\u51fa\u3057\u30c6\u30b9\u30c8\u3092\u3057\u3066\u307f\u305f<\/h4>\r\n
\r\n

\u4eca\u56de\u306f\u57fa\u677f\u306e\u6982\u8981\u3092\u628a\u63e1\u3059\u308b\u305f\u3081\u3001\u624b\u5143\u306b\u6709\u3063\u305f\u305d\u308c\u306a\u308a\u306b\u9ad8\u97f3\u8cea\u305d\u3046\u306a\u90e8\u54c1\u3067\u7d44\u307f\u7acb\u3066\u3066\u307f\u305f\uff0e\u672c\u5f53\u306fES9028PRO\u3067\u7d44\u307f\u7acb\u3066\u3066\u307f\u305f\u304b\u3063\u305f\u306e\u3060\u304c\u3001\u624b\u5143\u306b\u306fES9038PRO\u3057\u304b\u306a\u3044\u306e\u3067\u3001\u56de\u8def\u306b\u7121\u7406\u304c\u6709\u308b\u306e\u306f\u627f\u77e5\u3067\u4eca\u56de\u306fES9038PRO\u3067\u6211\u6162???\u3059\u308b\u3053\u3068\u3068\u3059\u308b\uff0e<\/p>\r\n
\r\n

OP\u30a2\u30f3\u30d7\u306f\u98db\u3070\u3057\u3066\u3082\u826f\u3044\u3088\u3046\u306b\u5b89\u3044JRC\u306eNE5534\u30bb\u30ab\u30f3\u30c9\u30bd\u30fc\u30b9\u54c1\u3092\u4f7f\u3063\u305f\uff0e\u97f3\u51fa\u3057\u304c\u4e0a\u624b\u304f\u884c\u3063\u305f\u3089\u597d\u307f\u306eOP\u30a2\u30f3\u30d7\u306b\u5909\u66f4\u3059\u308b\u4e88\u5b9a\u3060\u304c\u3001\u3053\u306e\u57fa\u677f\u3067\u306fOP\u30a2\u30f3\u30d7\u304c6\u500b\u3082\u5fc5\u8981\u306b\u306a\u308b\u306e\u3067\u3001OP627\/OP637\u3084MUSE0x\u306e\u3088\u3046\u306a\u9ad8\u4fa1\u306a\u7269\u306f\u591a\u5206\u8f09\u308b\u3053\u3068\u306f\u7121\u3044\u3060\u308d\u3046\uff0e\u500b\u4eba\u7684\u306b\u306fNE5534\u3067\u3082\u5341\u5206\u304b\u306a…<\/p>\r\n
\r\n

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