{"id":2712,"date":"2012-06-28T12:00:12","date_gmt":"2012-06-28T03:00:12","guid":{"rendered":"http:\/\/www.nanghi.net\/?p=2712"},"modified":"2023-11-08T19:30:13","modified_gmt":"2023-11-08T10:30:13","slug":"dac","status":"publish","type":"post","link":"https:\/\/www.nanghi.net\/?p=2712","title":{"rendered":"DAC\u65b0\u898f\u4f5c\u6210"},"content":{"rendered":"

\u3000USB_DOUT2706kit<\/a>\u306eDAC\uff08PCM2706\uff09\u3088\u308a\u30b0\u30ec\u30fc\u30c9\u30a2\u30c3\u30d7\u3092\u76ee\u6307\u3057\u307e\u3059\u3002<\/p>\n

\"DAC_1792_B
\n\u3000DAC_1792_B D-A\u30b3\u30f3\u30d0\u30fc\u30bf\u5358\u72ec\u57fa\u677f<\/strong>
\n\u3000\u5148\u65e5\u306e\u88fd\u4f5c\u4f53\u9a13\u4f1a<\/a>\u306e\u4f59\u6642\u9593\u3067\u30b5\u30af\u30c3\u3068\u88fd\u4f5c<\/p>\n

\u3000PCM2706\u5185\u8535\u306eDAC\u3082\u7d50\u69cb\u826f\u3044\u97f3\u304c\u3059\u308b\u306e\u3067\u3059\u304c\u3001\u3055\u3089\u306b\u30a2\u30c3\u30d7\u30b0\u30ec\u30fc\u30c9\u3057\u305fDAC\u306b\u7740\u624b\u3057\u307e\u3057\u305f\u3002Texas Instruments\u306e\u96fb\u6d41\u51fa\u529b\u578bDAC\u3067\u3042\u308bPCM1792A\u3092\u4f7f\u3063\u305f\u30c7\u30b8\u30c3\u30c8\u306e\u72ec\u7acb\u5b9f\u9a13\u57fa\u677f\u3067\u3042\u308bDAC_1792_B\u30ad\u30c3\u30c8<\/a>\u3067\u3059\u3002192KHz\u306724bit\u3067I2<\/sup>S\u306b\u3082\u5bfe\u5fdc\u3002
\n\u3000\u3053\u306e\u30ad\u30c3\u30c8\u306fBURR-BROWN\u304c\u9650\u754c\u6027\u80fd\u3078\u6311\u6226\u3057\u3001\u97f3\u8cea\u306b\u3053\u3060\u308f\u308a\u629c\u3044\u305fDAC\u3067\u3042\u308bPCM1792A\u3092\u63a1\u7528\u3057\u3066\u3044\u307e\u3059\u3002\u73fe\u5728\u306fTI\u306b\u5438\u53ce\u3055\u308c\u3066\u3044\u307e\u3059\u304c\u30cf\u30a4\u30a8\u30f3\u30c9\u306a\u30a2\u30ca\u30ed\u30b0\u88fd\u54c1\u3092\u751f\u307f\u51fa\u3059\u30d6\u30e9\u30f3\u30c9\u3068\u3057\u3066BURR-BROWN\u306f\u305d\u306e\u307e\u307e\u7d99\u7d9a\u3057\u3066\u304a\u308a\u3001\u30c7\u30d0\u30a4\u30b9\u306e\u30de\u30fc\u30ad\u30f3\u30b0\u306b\u3082\u8a87\u3089\u3057\u3052\u306bBB\u306e\u30ed\u30b4\u304c\u523b\u307e\u308c\u3066\u3044\u307e\u3059\u3002
\n\u3000\u3053\u306e\u30c7\u30d0\u30a4\u30b9\u306f\u3001LUXMAN\u306eSACD\u30d7\u30ec\u30a4\u30e4\u30fc\u3067\u3042\u308bD-05\/D-06\/D-08\u3084\u3001USB\u5bfe\u5fdcDAC\u306eDA-200\u3092\u306f\u3058\u3081\u591a\u304f\u306e\u88fd\u54c1\u306b\u63a1\u7528\u3057\u3066\u3044\u308b\u307b\u304b\u3001OLIVE 4 HD\u3084YAMAHA\u306eNP-S2000\u306a\u3069\u3068\u8a00\u3063\u305f\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30d7\u30ec\u30fc\u30e4\u30fc\u306b\u3082\u63a1\u7528\u3055\u308c\u3066\u304a\u308a\u3001\u6570\u3005\u306e\u30cf\u30a4\u30a8\u30f3\u30c9\u30aa\u30fc\u30c7\u30a3\u30aa\u3067\u6d3b\u8e8d\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n

\"PCM1792A\"
\n\u3000PCM1792A<\/strong>
\n\u3000BURR-BROWN\/Texas Instruments\u306e192kbps-24bit\u5bfe\u5fdcDAC<\/p>\n

\u3000PCM1792A\u306f\u5e73\u8861\u96fb\u6d41\u51fa\u529b\u3067\u3059\u306e\u3067\u3001\u5b9f\u969b\u306b\u30aa\u30fc\u30c7\u30a3\u30aa\u4fe1\u53f7\u3068\u3057\u3066\u5229\u7528\u3059\u308b\u306b\u306fI-V\u5909\u63db\u3092\u884c\u3044\u3001\u5e73\u8861\u301c\u4e0d\u5e73\u8861\u306e\u5909\u63db\u3092\u884c\u3063\u3066\u30b7\u30f3\u30b0\u30eb\u30a8\u30f3\u30c9\u51fa\u529b\u3092\u3057\u3066\u3084\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002
\n\u3000\u4eca\u56de\u306e\u88fd\u4f5c\u3067\u306fPCM1792A\u5468\u8fba\u306e\u57fa\u672c\u7684\u306a\u56de\u8def\u306e\u307f\u3067\u3059\u306e\u3067\u3001\u96fb\u6d41\u51fa\u529b\u5f8c\u306e\u51e6\u7406\u56de\u8def\u3092\u5225\u9014\u88fd\u4f5c\u3057\u306a\u3051\u308c\u3070\u306a\u308a\u307e\u305b\u3093\u3002\u307e\u305f\u3001\u88fd\u4f5c\u5bfe\u8c61\u304c\u5897\u3048\u3066\u3057\u307e\u3044\u307e\u3057\u305f\u3002\u3068\u307b\u307b\u3002
\n\u3000\u30c7\u30b8\u30c3\u30c8\u306e\u5fdc\u7528\u7de8\u8cc7\u6599\u7b49\u3092\u62dd\u898b\u3059\u308b\u3068\u3001I\/V\u5909\u63dbOPAMP_B\u57fa\u677f<\/a>\u3092\u3001\u5e73\u8861\u301c\u4e0d\u5e73\u8861\u306e\u5909\u63db\u306bTexas Instruments\u306e\u5e73\u8861\u30e9\u30a4\u30f3\u30ec\u30b7\u30fc\u30d0\u306eINA2134\u3092\u4f7f\u3063\u305fBALUN_2134\u57fa\u677f<\/a>\u3092\u7d44\u307f\u5408\u308f\u305b\u3066\u3044\u307e\u3059\u304c\u3001\u3053\u3053\u306f\u3059\u3079\u3066\u30aa\u30da\u30a2\u30f3\u30d7\u69cb\u6210\u3067\u4e00\u3064\u306e\u57fa\u677f\u306b\u307e\u3068\u3081\u3066\u30b3\u30f3\u30d1\u30af\u30c8\u306b\u4f5c\u308b\u4e88\u5b9a\u3067\u3059\u3002usb_dout2706\u3068DAC_1792_B\u57fa\u677f\u3068\u5f8c\u6bb5\u306eI\/V\u5909\u63db\u3068\u5e73\u8861\u301c\u4e0d\u5e73\u8861\u5909\u63db\u306e\u30a2\u30ca\u30ed\u30b0\u56de\u8def\u306e\u57fa\u677f\u3092\u542b\u3081\u3066\u3092\u306a\u3093\u3068\u304b\u300c\u308f\u3051\u3042\u308a\u30b1\u30fc\u30b9\u300d\u306b\u5168\u3066\u7d0d\u3081\u305f\u3044\u6240\u3067\u3059\u3002
\n\u3000\u73fe\u72b6\u3001USB\u304b\u3089I2<\/sup>S\u3078\u306e\u5909\u63db\u306fusbdout_2706kit\u3092\u7d4c\u7531\u3057\u3066\u305d\u306e\u307e\u307eDAC\u3067\u3042\u308bPCM1792A\u3078I2<\/sup>S\u3067\u6d41\u3057\u8fbc\u307f\u3068\u3044\u3046\u6700\u77ed\u8ddd\u96e2\u3067\u306e\u69cb\u60f3\u3002\u305f\u3060\u3057\u3001PCM2706\u306f44.1kHz\u3082\u3057\u304f\u306f48kHz\u306eI2<\/sup>S\u51fa\u529b\u306e16bit\u3057\u304b\u5bfe\u5fdc\u3057\u3066\u3044\u307e\u305b\u3093\u3002\u305d\u308c\u306b\u6bd4\u3057\u3066PCM1792A\u306f\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\u30e2\u30fc\u30c9\u3067\u306f24bit\u304cI2<\/sup>S\u5165\u529b\u306e\u30c7\u30d5\u30a9\u30eb\u30c8\u3067\u5916\u90e8\u306e\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\u304b\u3089\u8a2d\u5b9a\u304c\u5909\u66f4\u304c\u3067\u304d\u306a\u3044\u306e\u3067\u3059\u3002\u30c7\u30b8\u30c3\u30c8\u306e\u88fd\u4f5c\u4f8b\u3067\u306fS\/P DIF\u5165\u529b\u304b\u308924bit I2<\/sup>S\u3078\u5909\u63db\u3059\u308b\u305f\u3081\u306bDAI\u30c8\u30e9\u30f3\u30b7\u30fc\u30d0\u30fc\u3067Wolfson\u306eWM885\u3092\u4f7f\u3063\u305fDAI\u30c8\u30e9\u30f3\u30b7\u30fc\u30d0\u72ec\u7acb\u5b9f\u9a13\u57fa\u677f WM8805G\u57fa\u677f<\/a>\u3092DAC\u306e\u524d\u6bb5\u306b\u7f6e\u304f\u69cb\u6210\u3092\u63d0\u793a\u3057\u3066\u3044\u307e\u3059\u3002\u3053\u3046\u3059\u308b\u3068\u300124bit\u306e\u8db3\u308a\u306a\u30448bit\u90e8\u5206\u306f\u30bc\u30ed\u3067\u57cb\u3081\u306624bit\u30c7\u30fc\u30bf\u306b\u4ed5\u7acb\u3066\u3066\u51fa\u529b\u3055\u308c\u3001\u53d7\u3051\u4ed8\u3051\u308b\u4e8b\u304c\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002
\n\u3000\u3053\u308c\u306f\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\u30e2\u30fc\u30c9\u3060\u3051\u3067\u52d5\u4f5c\u3092\u76ee\u6307\u3057\u3066\u3044\u308b\u305f\u3081\u306a\u306e\u3067\u3059\u304c\u3001\u5b9f\u969b\u306b\u30c7\u30d0\u30a4\u30b9\u81ea\u4f53\u306fI2<\/sup>S\u306e16bit\u306b\u5bfe\u5fdc\u3057\u3066\u3044\u307e\u3059\u306e\u3067\u3001\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u30e2\u30fc\u30c9\u3092\u5229\u7528\u3057\u3066\u5916\u90e8\u306e\u30ef\u30f3\u30c1\u30c3\u30d7CPU\u306a\u3069\u304b\u3089I2<\/sup>C\u3067\u5185\u90e8\u30ec\u30b8\u30b9\u30bf\u3092\u5909\u66f4\u3057\u3066\u3084\u308a\u3001\u6b63\u3057\u304f\u52d5\u4f5c\u3059\u308b\u3088\u3046\u306b\u8a2d\u5b9a\u3057\u3066\u3084\u308b\u3068\u76f4\u7d50\u3067\u304d\u307e\u3059\u3002
\n\u3000\u30a2\u30c3\u30d7\u30b5\u30f3\u30d7\u30ea\u30f3\u30b0\u3057\u3066192kbps-24bit\u306b\u3057\u3066\u304b\u3089PCM1792A\u306b\u5165\u308c\u308b\u306e\u3082\u3042\u308a\u3067\u3059\u304c\u3001\u7121\u3044\u60c5\u5831\u3092\u88dc\u5b8c\u3057\u3066\u6c34\u5897\u3057\u3057\u3066\u826f\u3044\u97f3\u306b\u306a\u308b\u306e\u304b\u306f\u7591\u554f\u306a\u306e\u3067\u898b\u9001\u308a\u3067\u3059\u3002
\n\u3000\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u30e2\u30fc\u30c9\u3067\u5185\u90e8\u30ec\u30b8\u30b9\u30bf\u3092I2<\/sup>C\u3067\u901a\u4fe1\u30fb\u8a2d\u5b9a\u3059\u308b\u30c7\u30b8\u30bf\u30eb\u7cfb\u304c\u5225\u9014\u5fc5\u8981\u306b\u306a\u308a\u3001USB-I\/F\u3001DAC\u3001I\/V-\u5e73\u8861\u301c\u4e0d\u5e73\u8861\u5909\u63db\u306b\u52a0\u3048\u3066\u5236\u5fa1\u57fa\u677f\u3068\uff14\u679a\u306e\u57fa\u677f\u3092\u7d0d\u3081\u306a\u3051\u308c\u3070\u306a\u308a\u307e\u305b\u3093\u306e\u3067\u3001\u3051\u3063\u3053\u3046\u8a70\u3081\u8a70\u3081\u306b\u306a\u308a\u305d\u3046\u3067\u3059\u3002
\n\u3000\u3053\u308c\u3089\u306e\u56de\u8def\u306b\u4f9b\u7d66\u3059\u308b\u96fb\u6e90\u3092\u542b\u3081\u308b\u3068\u3001\uff11\u3064\u306e\u308f\u3051\u3042\u308a\u30b1\u30fc\u30b9\uff08\u4e2d\uff09\u306b\u53ce\u307e\u3089\u306a\u3044\u305f\u3081\u3001\u96fb\u6e90\u3092\u5225\u9014\u7528\u610f\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002
\n\u3000\u30aa\u30da\u30a2\u30f3\u30d7\u7cfb\u306b\u00b115V\u3092\u3001PCM1792A\u306b\u30a2\u30ca\u30ed\u30b0\u7cfb\u3067+5V\u3068\u30c7\u30b8\u30bf\u30eb\u7cfb\u306b+3.3V\u306e\u96fb\u6e90\u3092\u4f9b\u7d66\u3057\u306a\u3051\u308c\u3070\u306a\u308a\u307e\u305b\u3093\u3002\u52d5\u4f5c\u78ba\u8a8d\u3092\u3059\u308b\u306b\u3082\u3053\u308c\u3089\u306e\u96fb\u6e90\u3092\u5148\u884c\u3057\u3066\u88fd\u4f5c\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u3082\u3046\u3001\u6ce5\u6cbc\u72b6\u614b\uff08\u6d99\uff09\u3002
\n\u3000\u5236\u5fa1\u57fa\u677f\u306f\u3067\u304d\u308c\u3070\u97f3\u91cf\u8abf\u6574\u3050\u3089\u3044\u306f\u884c\u3044\u305f\u3044\u3068\u3053\u308d\u3067\u3059\u304c\u3001\u8868\u793a\u306bLCD\u3092\u4f7f\u3046\u304b\u3069\u3046\u304b\u306f\u691c\u8a0e\u4e2d\u3002\u5358\u7d14\u306b\u30a2\u30ca\u30ed\u30b0\u30dc\u30ea\u30e5\u30fc\u30e0\u3092\u63a5\u7d9a\u3057\u3066\u3001\u305d\u306e\u5024\u3092A\/D\u5909\u63db\u3057\u3066\u8aad\u307f\u8fbc\u307f\u3001PCM1792A\u306e\u6e1b\u8870\u91cf\u8a2d\u5b9a\u30ec\u30b8\u30b9\u30bf\u3092\u8a2d\u5b9a\u3059\u308b\u8868\u793a\u7121\u3057\u306e\u65b9\u6cd5\u3082\u3042\u308a\u307e\u3059\u306e\u304c\u3001\u7b2c\u4e00\u5019\u88dc\u3068\u3057\u3066\u306f\u5358\u7d14\u306aUSB-DAC\u30e6\u30cb\u30c3\u30c8\u5316\u3092\u76ee\u6307\u3057\u3066\u307f\u307e\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

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