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鎮ㄥソ锛屾杩庝締(l谩i)鍒扮董搴�(k霉)闆诲瓙甯傚牬(ch菐ng)缍�(w菐ng) 鐧婚寗 | 鍏嶈不(f猫i)娉ㄥ唺(c猫)

鎮ㄦ墍鍦ㄧ殑浣嶇疆锛�闆诲瓙鍏冨櫒浠堕噰璩�(g貌u)缍�(w菐ng) > IC鐧剧 > PCM2912

PCM2912 鐧�(f膩)甯冩檪(sh铆)闁� 鏅�(sh铆)闁擄細2025/5/12 9:08:34 鏌ョ湅 闁辫畝锛�26

PCM2912鏄竴娆鹃珮闆嗘垚搴︾殑绔嬮珨鑱查煶闋荤法瑙ｇ⒓鍣紙CODEC锛�锛屽皥鐐轰究鏀滃紡闊抽牷瑷�(sh猫)鍌欒ō(sh猫)瑷�(j矛)銆傝┎鑺墖鏀寔楂樿唱(zh矛)閲忕殑鏁�(sh霉)瀛楅煶闋讳俊铏�(h脿o)铏曠悊锛屽苟闆嗘垚浜咥DC锛堟ā鏁�(sh霉)杞�(zhu菐n)鎻涘櫒锛夊拰DAC锛堟暩(sh霉)妯¤綁(zhu菐n)鎻涘櫒锛�銆傚叾浣庡姛鑰楃壒鎬ч潪甯搁仼鍚堥浕姹犱緵闆昏ō(sh猫)鍌欙紝濡侻P3鎾斁鍣�銆侀寗闊崇瓎鍜屽叾浠栦究鏀滃紡澶氬獟楂旇ō(sh猫)鍌�銆�
銆�銆�PCM2912閲囩敤鍏堥��(j矛n)鐨凜MOS宸ヨ棟鍒堕��锛岃兘澶犳彁渚涘嚭鑹茬殑闊宠唱(zh矛)琛ㄧ従(xi脿n)銆傛澶�锛屽畠閭勫収(n猫i)缃簡楹ュ厠棰�(f膿ng)鏀惧ぇ鍣ㄥ拰绶氳矾杓稿叆/杓稿嚭鎺ュ彛锛屼究浜庤垏澶栭儴闊抽牷瑷�(sh猫)鍌欓�ｆ帴銆傝┎鑺墖閫氶亷(gu貌)I2C鎴朣PI鎺ュ彛鑸囦富鎺CU閫�(j矛n)琛岄�氫俊锛屾柟渚跨敤鎴堕潏娲婚厤缃悇绋伐浣滄ā寮�銆�

鍙冩暩(sh霉)

闆绘簮闆诲锛�2.7V~3.6V
銆�銆�宸ヤ綔闆绘祦锛�5mA锛堝緟姗�(j墨)妯″紡锛�
銆�銆�淇″櫔姣旓紙SNR锛夛細94dB锛堝吀鍨嬪�硷級
銆�銆�绺借娉㈠け鐪熷姞鍣伈锛圱HD+N锛夛細0.006%锛堝吀鍨嬪�硷級
銆�銆�閲囨ǎ鐜囷細8kHz~48kHz
銆�銆�鎺ュ彛椤炲瀷锛欼2C/SPI
銆�銆�灏佽褰㈠紡锛歍SSOP-28

鐗规��

PCM2912鍏锋湁浠ヤ笅涓昏鐗规�э細
銆�銆�1. 楂樻�ц兘绔嬮珨鑱睞DC鍜孌AC锛岀⒑淇濋珮鍝佽唱(zh矛)闊抽牷淇¤櫉(h脿o)杞�(zhu菐n)鎻�銆�
銆�銆�2. 鍏�(n猫i)缃亥鍏嬮ⅷ(f膿ng)鏀惧ぇ鍣�锛屽彲鐩存帴閫ｆ帴椐愭サ楂旈浕瀹归亥鍏嬮ⅷ(f膿ng)锛圗CM锛�銆�
銆�銆�3. 鏀寔澶氱ó閲囨ǎ鐜囷紝閬╂噳(y墨ng)涓嶅悓鎳�(y墨ng)鐢ㄥ牬(ch菐ng)鏅殑闇�姹�銆�
銆�銆�4. 浣庡姛鑰楄ō(sh猫)瑷�(j矛)锛屾湁鏁堝欢闀�(zh菐ng)闆绘睜浣跨敤澹藉懡銆�
銆�銆�5. 鎻愪緵闈堟椿鐨勬帴鍙ｉ伕鎿囷紙I2C鎴朣PI锛夛紝绨�(ji菐n)鍖栫郴绲�(t菕ng)瑷�(sh猫)瑷�(j矛)銆�
銆�銆�6. 鍏�(n猫i)閮ㄩ泦鎴愮殑鏅�(sh铆)閻樺垎闋诲櫒鍜岄帠鐩哥挵(hu谩n)锛圥LL锛夛紝娓涘皯灏�(du矛)澶栭儴鏅舵尟鐨勪緷璩�銆�
銆�銆�7. 鏀寔澶氱ó宸ヤ綔妯″紡鍒囨彌锛屽寘鎷甯告ā寮�銆佺渷闆绘ā寮忓拰闂�(gu膩n)鏂锋ā寮�銆�
銆�銆�8. 灏忓瀷鍖栫殑TSSOP-28灏佽锛岀瘈(ji茅)鐪丳CB甯冨眬绌洪枔銆�

鎳�(y墨ng)鐢�

PCM2912寤ｆ硾鎳�(y墨ng)鐢ㄤ簬浠ヤ笅闋�(l菒ng)鍩燂細
銆�銆�1. 渚挎敎寮忛煶闋昏ō(sh猫)鍌�锛屼緥濡侻P3鎾斁鍣�銆侀寗闊崇瓎绛夈��
銆�銆�2. 鎵嬫寔寮忔父鎴叉(j墨)涓殑闊抽牷铏曠悊妯″銆�
銆�銆�3. 鏁�(sh霉)瀛楄獮(y菙)闊宠閷勮ō(sh猫)鍌�銆�
銆�銆�4. 钘�(l谩n)鐗欓煶闋婚厤浠�锛屽鐒�(w煤)绶氳�虫(j墨)鎴栭煶绠�銆�
銆�銆�5. 姹借粖闆诲瓙绯荤当(t菕ng)鐨勯煶闋昏几鍏�/杓稿嚭鍠厓銆�
銆�銆�6. 瀹剁敤闆诲櫒涓渶瑕佺啊(ji菐n)鍠煶闋诲姛鑳界殑鐢�(ch菐n)鍝�锛屽鏅鸿兘闊崇鎴栬獮(y菙)闊冲姪鎵嬭ō(sh猫)鍌欍��

鏇夸唬鍨嬭櫉(h脿o)

PCM2911, PCM2910

pcm2912鎺ㄨ枽渚涙噳(y墨ng)鍟� 鏇村>

  • 鐢�(ch菐n)鍝佸瀷铏�(h脿o)
  • 渚涙噳(y墨ng)鍟�
  • 鏁�(sh霉)閲�
  • 寤犲晢
  • 灏佽/鎵硅櫉(h脿o)
  • 瑭㈠児(ji脿)

pcm2912璩囨枡 鏇村>

  • 鍨嬭櫉(h脿o)
  • 鎻忚堪
  • 鍝佺墝
  • 闁辫涓嬭級