鏅傞枔锛�2025/5/6 13:04:47
闁辫畝锛�20
PCM4204 鏄竴娆鹃珮鎬ц兘銆佷綆鍔熻�楃殑绔嬮珨鑱查煶闋绘ā鏁�(sh霉)杞�(zhu菐n)鎻涘櫒 (ADC)锛岄噰鐢ㄥ厛閫茬殑 Delta-Sigma 瑾�(di脿o)鍒舵妧琛擄紝鑳藉鎻愪緵鍗撹秺鐨勯煶闋绘�ц兘銆傚畠鏀寔楂橀仈 192kHz 鐨勯噰妯ｇ巼锛屽苟鍏锋湁妤典綆鐨勭附璜ф尝澶辩湡鍔犲櫔鑱� (THD+N)锛岄潪甯搁仼鍚堝皥妤�(y猫)闊抽牷瑷倷鍜岄珮淇濈湡鎳夌敤銆侾CM4204 闆嗘垚浜嗛潏娲荤殑鏁�(sh霉)瀛楁帴鍙ｉ伕闋咃紝鍖呮嫭 I2S銆佸乏灏嶉綂銆佸彸灏嶉綂鍜� TDM 妯″紡锛屼究浜庤垏鍚勭ó鏁�(sh霉)瀛椾俊铏熻檿鐞嗗櫒鎴� FPGA 閫ｆ帴銆�
銆�銆�瑭茶姱鐗囬倓鎻愪緵浜嗗嚭鑹茬殑鍕曟厠(t脿i)鑼冨湇鍜屼俊鍣瘮 (SNR)锛岀⒑淇濋珮璩�(zh矛)閲忕殑闊抽牷鎹曟崏銆傛澶�锛屽叾鍏�(n猫i)缃殑澧炵泭鎺у埗鍔熻兘鍙互绨″寲绯荤当(t菕ng)瑷▓锛屾笡灏戝閮ㄧ祫浠剁殑闇�姹�銆�
宸ヤ綔闆诲锛�2.7V 鑷� 3.6V
銆�銆�閲囨ǎ鐜囷細8kHz 鑷� 192kHz
銆�銆�鍒嗚鲸鐜囷細24 浣�
銆�銆�淇″櫔姣� (SNR)锛�110dB
銆�銆�绺借娉㈠け鐪熷姞鍣伈 (THD+N)锛�-105dB
銆�銆�鍔熻�楋細35mW锛堝吀鍨嬪�硷級
銆�銆�鏁�(sh霉)瀛楁帴鍙ｏ細I2S銆佸乏灏嶉綂銆佸彸灏嶉綂銆乀DM
銆�銆�灏佽锛歍SSOP-28
PCM4204 鎻愪緵浜嗗绋棞閸电壒鎬у拰鍎�(y艒u)鍕細
銆�銆�1. 楂樼簿搴� 24 浣� Delta-Sigma ADC 鎶�琛�锛屼繚璀夊崜瓒婄殑闊抽牷璩�(zh矛)閲忋��
銆�銆�2. 鏀寔瀵寖鍦嶉噰妯ｇ巼锛屽緸 8kHz 鍒� 192kHz锛岄仼鐢ㄤ簬澶氱ó闊抽牷鎳夌敤鍫存櫙銆�
銆�銆�3. 妤典綆鐨� THD+N 鍜岄珮 SNR 鎬ц兘锛岄仼鍚堥珮淇濈湡闊抽牷绯荤当(t菕ng)銆�
銆�銆�4. 鍏�(n猫i)缃� PGA锛堝彲绶ㄧ▼澧炵泭鏀惧ぇ鍣級锛屽厑瑷遍潏娲昏(di脿o)鏁磋几鍏ヤ俊铏熼浕骞�銆�
銆�銆�5. 澶氱ó鏁�(sh霉)瀛楅煶闋绘帴鍙ｆā寮忥紝渚夸簬鑸囧叾浠栬ō鍌欏吋瀹�銆�
銆�銆�6. 浣庡姛鑰楄ō瑷�锛岄仼鍚堜究鏀滃紡闆绘睜渚涢浕瑷倷銆�
銆�銆�7. 灏忓瀷 TSSOP-28 灏佽锛岀瘈(ji茅)鐪侀浕璺澘绌洪枔銆�
PCM4204 寤ｆ硾鎳夌敤浜庨渶瑕侀珮鍝佽唱(zh矛)闊抽牷铏曠悊鐨勫悇绋牬鏅紝鍖呮嫭浣嗕笉闄愪簬浠ヤ笅闋樺煙锛�
銆�銆�1. 灏堟キ(y猫)闊抽牷瑷倷锛屽瑾�(di脿o)闊宠嚭銆侀寗闊虫鍜岄煶闋绘帴鍙ｃ��
銆�銆�2. 楂樼瀹剁敤闊抽熆绯荤当(t菕ng)锛屼緥濡� AV 鎺ユ敹鍣ㄥ拰 Hi-Fi 鎾斁鍣�銆�
銆�銆�3. 鏁�(sh霉)瀛楅亥鍏嬮ⅷ闄ｅ垪鍜岃獮闊宠瓨鍒ヨō鍌�銆�
銆�銆�4. 閱�(y墨)鐧傛垚鍍忓拰瑷烘柗瑷倷涓殑闊抽牷妯″銆�
銆�銆�5. 渚挎敎寮忛煶闋昏閷勫櫒鍜岀従(xi脿n)鍫撮寗闊宠ō鍌欍��
銆�銆�6. 娓告埐姗熷拰鍏朵粬娑堣不椤為浕瀛愮敘(ch菐n)鍝佺殑闊抽牷瀛愮郴绲�(t菕ng)銆�
PCM1864
銆�銆�PCM4202
銆�銆�PCM1862
