鎮ㄥソ锛屾杩庝締鍒扮董搴浕瀛愬競鍫寸恫(w菐ng)
鐧婚寗 | 鍏嶈不(f猫i)娉ㄥ唺
鏅�(sh铆)闁擄細2024/6/7 15:32:15
闁辫畝锛�617
PCM1800E鏄竴娆句綆鍔熻�椼�侀珮鎬ц兘鐨勯煶闋绘ā鏁�(sh霉)杞�(zhu菐n)鎻涘櫒锛岀敱缇庡湅ADI鍏徃锛圓nalog Devices Inc.锛夐枊鐧�(f膩)鍜岀敓鐢�(ch菐n)銆傚畠鏄竴娆�12浣嶇殑鍠伈閬撻煶闋籄DC锛圓nalog-to-Digital Converter锛�锛岃兘澶�?q奴)鈷涱棛M闊抽牷淇¤櫉(h脿o)杞�(zhu菐n)鎻涚偤鏁�(sh霉)瀛椾俊铏�(h脿o)銆侾CM1800E寤ｆ硾鎳�(y墨ng)鐢ㄤ簬闊抽牷閲囬泦銆侀煶闋昏檿鐞嗗拰闊抽牷瑷�(sh猫)鍌欎腑銆�
銆�銆�PCM1800E閲囩敤浜咲elta-Sigma锛埼斘ｏ級瑾�(di脿o)鍒舵妧琛�(sh霉)锛岄�氶亷閬庨噰妯ｅ拰鏁�(sh霉)瀛楁烤娉㈠(sh铆)鐝�(xi脿n)楂樼簿搴︾殑闊抽牷淇¤櫉(h脿o)杞�(zhu菐n)鎻�銆傚畠浣跨敤浜嗕竴鍊�(g猫)楂橀�熸ā鏁�(sh霉)杞�(zhu菐n)鎻涘櫒锛圓DC锛夊皣杓稿叆鐨勬ā鎿煶闋讳俊铏�(h脿o)杞�(zhu菐n)鎻涚偤閲濆皪姣忓��(g猫)閲囨ǎ鍛ㄦ湡鐨勬暩(sh霉)瀛楀簭鍒�銆傞�欎簺鏁�(sh霉)瀛�?j菒n)?sh霉)鎿�(j霉)缍�(j墨ng)閬庢暩(sh霉)瀛楁烤娉㈠櫒閫�(j矛n)琛屾烤娉㈠拰閲嶆(g貌u)锛屾渶绲傝几鍑虹偤绶氭�CM锛圥ulse Code Modulation锛夋牸寮忕殑鏁�(sh霉)瀛楅煶闋讳俊铏�(h脿o)銆�
PCM1800E鐨勫熀鏈祼(ji茅)妲�(g貌u)鍖呮嫭杓稿叆闆昏矾銆侀噰妯ｄ繚鎸侀浕璺�銆佹瘮杓冨櫒銆佹暩(sh霉)瀛楅倧杓浕璺互鍙婃暩(sh霉)鎿�(j霉)杓稿嚭鎺ュ彛绛夐儴鍒�銆傝几鍏ラ浕璺矤(f霉)璨�(z茅)鎺ユ敹澶栭儴鐨勬ā鎿煶闋讳俊铏�(h脿o)锛屽苟灏囧叾杞�(zhu菐n)鎻涚偤闆诲淇¤櫉(h脿o)銆傞噰妯ｄ繚鎸侀浕璺敤浜庡皪杓稿叆淇¤櫉(h脿o)閫�(j矛n)琛岄噰妯ｅ拰淇濇寔锛屼互纰轰繚杞�(zhu菐n)鎻涢亷绋嬩腑鐨勬簴(zh菙n)纰烘�у拰绌�(w臎n)瀹氭��銆傛瘮杓冨櫒鐢ㄤ締灏囬噰妯ｅ悗鐨勪俊铏�(h脿o)鑸囧弮鑰冮浕澹撻��(j矛n)琛屾瘮杓冿紝骞剁敘(ch菐n)鐢熺浉鎳�(y墨ng)鐨勬瘮杓冪祼(ji茅)鏋�銆傛暩(sh霉)瀛楅倧杓浕璺矤(f霉)璨�(z茅)灏囨瘮杓冪祼(ji茅)鏋滆綁(zhu菐n)鎻涚偤浜岄��(j矛n)鍒剁⒓锛屽苟杓稿嚭绲︽暩(sh霉)鎿�(j霉)杓稿嚭鎺ュ彛銆傛暩(sh霉)鎿�(j霉)杓稿嚭鎺ュ彛鍙互閫氶亷涓茶鎴栧苟琛屾柟寮忓皣鏁�(sh霉)瀛椾俊铏�(h脿o)杓稿嚭鍒板閮ㄨō(sh猫)鍌�銆�
1銆侀噰妯ｇ巼锛�8 kHz鑷�96 kHz
銆�銆�2銆佷綅鏁�(sh霉)锛�12浣�
銆�銆�3銆佸櫔鑱插姛鐜囨瘮锛圫NR锛夛細98 dB
銆�銆�4銆佸嫊(d貌ng)鎱�(t脿i)鑼冨湇锛�92 dB
銆�銆�5銆佺附璜ф尝澶辩湡锛圱HD锛夛細-90 dB
銆�銆�6銆佸伐浣滈浕澹擄細3.3 V鑷�5 V
銆�銆�7銆佷綆鍔熻�楋細鍏稿瀷13 mW
銆�銆�8銆佸皝瑁濓細SSOP-20
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銆�銆�2銆佷綆鍔熻�楋細PCM1800E鐨勪綆鍔熻�楄ō(sh猫)瑷�(j矛)浣垮叾閬╁悎浜庣Щ鍕�(d貌ng)瑷�(sh猫)鍌欏拰渚挎敎寮忛煶闋昏ō(sh猫)鍌�锛屽彲寤堕暦瑷�(sh猫)鍌欑殑闆绘睜澹藉懡銆�
銆�銆�3銆佸宸ヤ綔闆诲鑼冨湇锛歅CM1800E鐨勫伐浣滈浕澹撹寖鍦嶇偤3.3 V鑷�5 V锛岄仼鐢ㄤ簬涓嶅悓椤炲瀷鐨勯煶闋昏ō(sh猫)鍌�銆�
銆�銆�4銆佺啊鍖栫郴绲�(t菕ng)瑷�(sh猫)瑷�(j矛)锛歅CM1800E闆嗘垚浜嗘ā鏁�(sh霉)杞�(zhu菐n)鎻涘櫒鍜屾暩(sh霉)瀛楁烤娉㈠櫒锛屾笡灏戜簡澶栭儴鍏冧欢鐨勬暩(sh霉)閲�锛岀啊鍖栦簡绯荤当(t菕ng)瑷�(sh猫)瑷�(j矛)銆�
銆�銆�5銆侀潏娲荤殑閲囨ǎ鐜囬伕鎿囷細PCM1800E鏀寔寰�8 kHz鑷�96 kHz鐨勫绋噰妯ｇ巼閬告搰锛岄仼鎳�(y墨ng)涓嶅悓鎳�(y墨ng)鐢ㄩ渶姹�銆�
PCM1800E閲囩敤浜咲elta-Sigma锛埼斘ｏ級瑾�(di脿o)鍒舵妧琛�(sh霉)锛岄�氶亷閬庨噰妯ｅ拰鏁�(sh霉)瀛楁烤娉㈠(sh铆)鐝�(xi脿n)楂樼簿搴︾殑闊抽牷淇¤櫉(h脿o)杞�(zhu菐n)鎻�銆傚畠浣跨敤浜嗕竴鍊�(g猫)楂橀�熸ā鏁�(sh霉)杞�(zhu菐n)鎻涘櫒锛圓DC锛夊皣杓稿叆鐨勬ā鎿煶闋讳俊铏�(h脿o)杞�(zhu菐n)鎻涚偤閲濆皪姣忓��(g猫)閲囨ǎ鍛ㄦ湡鐨勬暩(sh霉)瀛楀簭鍒�銆傞�欎簺鏁�(sh霉)瀛�?j菒n)?sh霉)鎿�(j霉)缍�(j墨ng)閬庢暩(sh霉)瀛楁烤娉㈠櫒閫�(j矛n)琛屾烤娉㈠拰閲嶆(g貌u)锛屾渶绲傝几鍑虹偤绶氭�CM锛圥ulse Code Modulation锛夋牸寮忕殑鏁�(sh霉)瀛楅煶闋讳俊铏�(h脿o)銆�
PCM1800E寤ｆ硾鎳�(y墨ng)鐢ㄤ簬闊抽牷閲囬泦銆侀煶闋昏檿鐞嗗拰闊抽牷瑷�(sh猫)鍌欎腑锛屽寘鎷絾涓嶉檺浜庝互涓嬮牁(l菒ng)鍩燂細
銆�銆�1銆佷究鏀滃紡闊抽牷瑷�(sh猫)鍌欙細濡侻P3鎾斁鍣�銆佷究鏀滃紡閷勯煶姗�(j墨)绛�銆�
銆�銆�2銆佸皥妤�(y猫)闊抽牷瑷�(sh猫)鍌欙細濡傞煶闋绘帴鍙�銆侀煶闋婚寗鍒惰ō(sh猫)鍌�銆侀煶闋诲伐浣滅珯绛�銆�
銆�銆�3銆佸搴煶闋昏ō(sh猫)鍌欙細濡傞煶闋绘斁澶у櫒銆侀煶闋绘帴鏀跺櫒銆侀煶闋昏В纰煎櫒绛�銆�
銆�銆�4銆佹苯杌婇煶闋荤郴绲�(t菕ng)锛氬姹借粖闊抽牷鏀堕煶姗�(j墨)銆佹苯杌婇煶闋绘挱鏀惧櫒绛�銆�
銆�銆�5銆侀�氫俊瑷�(sh猫)鍌欙細濡傝獮闊宠瓨(sh铆)鍒ヨō(sh猫)鍌�銆佽獮闊抽�氫俊瑷�(sh猫)鍌欑瓑銆�
PCM1800E鐨勮ō(sh猫)瑷�(j矛)娴佺▼鍙互鍒嗙偤浠ヤ笅骞惧��(g猫)姝ラ锛�
銆�銆�1銆佺⒑瀹氳ō(sh猫)瑷�(j矛)闇�姹傦細棣栧厛闇�瑕佹槑纰鸿ō(sh猫)瑷�(j矛)鐨勬噳(y墨ng)鐢ㄥ拰闇�姹�锛屽寘鎷噰妯ｇ巼銆佸垎杈ㄧ巼銆佸櫔鑱茶姹�銆佸嫊(d貌ng)鎱�(t脿i)鑼冨湇绛夛紝骞舵牴鎿�(j霉)闇�姹傞伕鎿囬仼鍚堢殑妯℃暩(sh霉)杞�(zhu菐n)鎻涘櫒銆�
銆�銆�2銆佺‖浠惰ō(sh猫)瑷�(j矛)锛氭牴鎿�(j霉)PCM1800E鐨勬妧琛�(sh霉)瑕�(gu墨)鏍煎拰闆绘埃鐗规��锛岃ō(sh猫)瑷�(j矛)妯℃暩(sh霉)杞�(zhu菐n)鎻涘櫒鐨勭‖浠堕浕璺�銆傞�欏寘鎷浕婧愰浕澹撶殑閬告搰銆佹ā鎿几鍏ラ浕璺殑瑷�(sh猫)瑷�(j矛)銆佹檪(sh铆)閻樻簮鐨勯厤缃�銆佹烤娉㈠櫒鐨勯伕鎿囧拰闆昏矾甯冨眬鐨勫劒(y艒u)鍖栫瓑銆�
銆�銆�3銆佺⒑瀹氭檪(sh铆)閻樻簮锛歅CM1800E闇�瑕佸閮ㄦ彁渚涙檪(sh铆)閻樹俊铏�(h脿o)锛屾檪(sh铆)閻樻簮鐨勬簴(zh菙n)纰烘�у拰绌�(w臎n)瀹氭�у皪浜庤綁(zhu菐n)鎻涚簿搴﹀拰鎬ц兘鏈夐噸瑕佸奖闊�?锛熸ⅱ璧儀鎿囧閮ㄦ櫠楂旀尟钑╁櫒鎴栧叾浠栨檪(sh铆)閻樻簮锛屽苟閫氶亷闆昏矾瑷�(sh猫)瑷�(j矛)鍜屽竷灞�渚嗕繚璀夋檪(sh铆)閻樹俊铏�(h脿o)鐨勭┅(w臎n)瀹氭�у拰鎶楀共鎿捐兘鍔�銆�
銆�銆�4銆丳CB瑷�(sh猫)瑷�(j矛)锛氭牴鎿�(j霉)纭欢瑷�(sh猫)瑷�(j矛)鐨勯浕璺師鐞嗗湒锛岄��(j矛n)琛孭CB锛圥rinted Circuit Board锛夎ō(sh猫)瑷�(j矛)銆傚湪PCB瑷�(sh猫)瑷�(j矛)涓�锛岄渶瑕佹敞鎰忔ā鎿拰鏁�(sh霉)瀛椾俊铏�(h脿o)鐨勫垎闆�銆侀槻姝㈠共鎿惧拰鍣伈鐨勬敞鍏�銆佽(gu墨)閬垮湴绶氬洖娴佽矾寰戠瓑锛屼互纰轰繚杞�(zhu菐n)鎻涘櫒鐨勬�ц兘銆�
銆�銆�5銆佸櫒浠跺竷灞�鍜屽竷绶氾細鍦≒CB瑷�(sh猫)瑷�(j矛)涓�锛岄渶瑕佸悎鐞嗗竷灞�鍜屽竷绶�锛屼互娓涘皯淇¤櫉(h脿o)骞叉摼鍜屽櫔鑱诧紝鎻愰珮鏁撮珨绯荤当(t菕ng)鐨勬�ц兘銆傚竷灞�鏅�(sh铆)锛屾噳(y墨ng)灏囨ā鎿拰鏁�(sh霉)瀛椾俊铏�(h脿o)绶氬垎闁�锛屽苟閬垮厤骞叉摼婧愰檮杩戠殑鏁忔劅鍗�(q奴)鍩�銆傚竷绶氭檪(sh铆)锛屾噳(y墨ng)娉ㄦ剰淇¤櫉(h脿o)绶氱殑闀峰害鍖归厤銆侀樆鎶楀尮閰嶅拰鍦扮窔鍥炴祦璺緫銆�
銆�銆�6銆佽(di脿o)瑭﹀拰椹�(y脿n)璀夛細瀹屾垚PCB瑷�(sh猫)瑷�(j矛)鍚�锛岄��(j矛n)琛岃(di脿o)瑭﹀拰椹�(y脿n)璀夈�傞�氶亷閫ｆ帴闆绘簮鍜岃几鍏ヤ俊铏�(h脿o)婧�锛屼娇鐢ㄧず娉㈠櫒鍜屽叾浠栨脯瑭﹁ō(sh猫)鍌欏皪杞�(zhu菐n)鎻涘櫒閫�(j矛n)琛屾脯瑭﹀拰椹�(y脿n)璀�?锛熸ⅱ瑭竮鏌ヨ几鍏ュ拰杓稿嚭鐨勪俊铏�(h脿o)璩�(zh矛)閲忋�佸櫔鑱叉按骞�銆佸嫊(d貌ng)鎱�(t脿i)鑼冨湇绛夋寚妯�(bi膩o)锛岀⒑淇濊ō(sh猫)瑷�(j矛)婊胯冻闋�(y霉)鏈熺殑鎬ц兘瑕佹眰銆�
銆�銆�7銆佺郴绲�(t菕ng)闆嗘垚锛氬畬鎴愮‖浠惰ō(sh猫)瑷�(j矛)鍜岄(y脿n)璀夊悗锛屽彲浠ュ皣PCM1800E闆嗘垚鍒扮洰妯�(bi膩o)绯荤当(t菕ng)涓�銆傞�欏彲鑳芥秹鍙婂叾浠栧姛鑳芥ā濉婄殑瑷�(sh猫)瑷�(j矛)鍜岄泦鎴�锛屽婵炬尝鍣�銆佹斁澶у櫒銆佽檿鐞嗗櫒绛夈��
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銆�銆�9銆侀噺鐢�(ch菐n)鍜岄(y脿n)璀夛細瀹屾垚绯荤当(t菕ng)瑾�(di脿o)瑭﹀拰鍎�(y艒u)鍖栧悗锛岄��(j矛n)琛岄噺鐢�(ch菐n)鍜岄(y脿n)璀�銆傞�欏彲鑳芥秹鍙婂埌澶ц(gu墨)妯＄敓鐢�(ch菐n)鍜岃唱(zh矛)閲忔帶鍒剁殑鍟忛銆�
銆�銆�绺戒箣锛孭CM1800E鐨勮ō(sh猫)瑷�(j矛)娴佺▼鍖呮嫭纰哄畾瑷�(sh猫)瑷�(j矛)闇�姹�銆佺‖浠惰ō(sh猫)瑷�(j矛)銆佹檪(sh铆)閻樻簮閬告搰銆丳CB瑷�(sh猫)瑷�(j矛)銆佸櫒浠跺竷灞�鍜屽竷绶�銆佽(di脿o)瑭﹀拰椹�(y脿n)璀�銆佺郴绲�(t菕ng)闆嗘垚銆佺郴绲�(t菕ng)瑾�(di脿o)瑭﹀拰鍎�(y艒u)鍖栦互鍙婇噺鐢�(ch菐n)鍜岄(y脿n)璀�銆傛瘡鍊�(g猫)姝ラ閮介渶瑕佷粩绱�(x矛)瑷�(sh猫)瑷�(j矛)鍜屾脯瑭︼紝浠ョ⒑淇濇渶绲傝ō(sh猫)瑷�(j矛)婊胯冻鎬ц兘瑕佹眰銆�
PCM1800E鏄竴娆炬ā鏁�(sh霉)杞�(zhu菐n)鎻涘櫒鑺墖锛屽叾瀹夎瑕侀粸(di菐n)濡備笅锛�
銆�銆�1銆佺⒑瀹氬畨瑁濅綅缃細鏍规摎(j霉)绯荤当(t菕ng)瑷�(sh猫)瑷�(j矛)闇�姹傚拰闆昏矾甯冨眬锛岀⒑瀹歅CM1800E鐨勫畨瑁濅綅缃�銆備竴鑸儏娉佷笅锛屾噳(y墨ng)鐩￠噺閬告搰闆㈠叾浠栧共鎿炬簮锛堝闁嬮棞(gu膩n)闆绘簮銆侀珮闋诲共鎿炬簮绛夛級杓冮仩(yu菐n)鐨勫湴鏂�锛屼互娓涘皯骞叉摼鍜屽櫔鑱�銆�
銆�銆�2銆佸畨瑁濇柟寮忥細PCM1800E閫氬父閲囩敤琛ㄩ潰璨艰鎶�琛�(sh霉)锛圫MT锛夐��(j矛n)琛屽畨瑁濄�傚湪瀹夎鍓�锛岄渶瑕佹簴(zh菙n)鍌欏ソ鍚堥仼鐨勭剨鎺ヨō(sh猫)鍌�锛屽鐔遍ⅷ(f膿ng)妲嶆垨鍥炴祦鐒婃帴瑷�(sh猫)鍌�銆�
銆�銆�3銆丳CB瑷�(sh猫)瑷�(j矛)锛氬湪閫�(j矛n)琛岀剨鎺ュ畨瑁濆墠锛岄渶瑕佹牴鎿�(j霉)PCM1800E鐨勫皝瑁濊(gu墨)鏍煎拰寮曡叧瀹氱京閫�(j矛n)琛孭CB瑷�(sh猫)瑷�(j矛)銆傜⒑淇濆紩鑵冲竷灞�姝ｇ⒑锛屽苟鐐烘瘡鍊�(g猫)寮曡叧鎻愪緵蹇呰鐨勯�ｇ窔鍜岀剨鐩�銆�
銆�銆�4銆佺剨鎺ユ簴(zh菙n)鍌欙細鍦ㄩ��(j矛n)琛岀剨鎺ュ墠锛岄渶瑕佹簴(zh菙n)鍌欏ソ鍚堥仼鐨勭剨鎺ュ伐鍏峰拰鏉愭枡銆傚寘鎷剨鎺ヨ嚭(t谩i)銆佺剨閷挡銆佺剨閷啅銆佸姪鐒婂姂绛�銆�
銆�銆�5銆佺剨鎺ラ亷绋嬶細灏嘝CM1800E鏀剧疆鍦≒CB涓婄殑瀹夎浣嶇疆锛岀⒑淇濆紩鑵宠垏鐒婄洡灏嶉綂銆備娇鐢ㄧ剨閷啅鍜屽姪鐒婂姂娑傛姽鍦ㄧ剨鐩や笂锛岀劧鍚庝娇鐢ㄧ啽棰�(f膿ng)妲嶆垨鍥炴祦鐒婃帴瑷�(sh猫)鍌欓��(j矛n)琛岀剨鎺�銆傜剨鎺ユ檪(sh铆)锛岃纰轰繚婧害鍜屾檪(sh铆)闁撴帶鍒堕仼鐣�(d膩ng)锛屼互闃叉寮曡叧鎼嶅鎴栭亷鐔便��
銆�銆�6銆佺剨鎺ユ鏌ワ細鐒婃帴瀹屾垚鍚庯紝闇�瑕佸皪鐒婃帴璩�(zh矛)閲忛��(j矛n)琛屾鏌�?锛熸ⅱ鍏佽钄慇寰彙妾㈡煡鐒婃帴榛�(di菐n)鏄惁瀹屾暣銆佺剨鐩ゆ槸鍚︽湁鐣板父銆傚悓鏅�(sh铆)锛岄倓瑕佹鏌ュ紩鑵充箣闁撴槸鍚︽湁鐭矾鎴栭�ｆ帴涓嶈壇鐨勬儏娉併��
銆�銆�7銆佹竻娼斿拰闃茶(h霉)锛氱剨鎺ュ畬鎴愬悗锛屾噳(y墨ng)鍙婃檪(sh铆)娓呮綌PCB鍜岀剨鎺ュ崁(q奴)鍩�锛屼互鍘婚櫎鐒婇尗娈樼暀鐗╁拰鍏朵粬姹℃煋鐗�?锛熸ⅱ鍏佽浠崸宕夆敄閫�鈷嗚垎M(j矛n)琛屾竻娼�銆傚悓鏅�(sh铆)锛岄倓瑕佹敞鎰忓皪PCM1800E閫�(j矛n)琛岄槻璀�(h霉)锛岄伩鍏嶉潨闆诲拰姗�(j墨)姊版悕澹炪��
銆�銆�8銆佸姛鑳芥脯瑭︼細瀹夎瀹屾垚鍚�锛岄��(j矛n)琛屽姛鑳芥脯瑭�銆傞�氶亷閫ｆ帴闆绘簮鍜岃几鍏ヤ俊铏�(h脿o)婧�锛屼娇鐢ㄧず娉㈠櫒鍜屽叾浠栨脯瑭﹁ō(sh猫)鍌欏皪PCM1800E閫�(j矛n)琛屾脯瑭﹀拰椹�(y脿n)璀�?锛熸ⅱ瑭竮鏌ヨ几鍏ュ拰杓稿嚭鐨勪俊铏�(h脿o)璩�(zh矛)閲忋�佸櫔鑱叉按骞�銆佸嫊(d貌ng)鎱�(t脿i)鑼冨湇绛夋寚妯�(bi膩o)锛岀⒑淇濆畨瑁濆拰鐒婃帴鐨勮唱(zh矛)閲�銆�
銆�銆�绺戒箣锛孭CM1800E鐨勫畨瑁濊榛�(di菐n)鍖呮嫭纰哄畾瀹夎浣嶇疆銆侀噰鐢ㄩ仼鐣�(d膩ng)?sh霉)闄屾儹b鏂瑰紡銆侀��(j矛n)琛屾纰虹殑PCB瑷�(sh猫)瑷�(j矛)銆佹簴(zh菙n)鍌欏ソ鐒婃帴宸ュ叿鍜屾潗鏂�銆佹帉鎻＄剨鎺ユ妧宸�銆佹鏌ョ剨鎺ヨ唱(zh矛)閲�銆侀��(j矛n)琛屾竻娼斿拰闃茶(h霉)浠ュ強閫�(j矛n)琛屽姛鑳芥脯瑭�銆傞�欎簺姝ラ鐨勬纰哄煼(zh铆)琛屽彲浠ョ⒑淇漃CM1800E鐨勫畨鍏ㄥ畨瑁濆拰姝ｅ父閬�(y霉n)琛�銆�
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