鏅傞枔锛�2025/5/6 11:05:23
闁辫畝锛�32
PCM1690鏄竴娆剧敱寰峰窞鍎�鍣紙TI锛夎ō瑷堢殑浣庡姛鑰�銆侀珮绮惧害绔嬮珨鑱查煶闋绘ā鏁�(sh霉)杞夋彌鍣紙ADC锛�銆傚畠鏀寔楂樿唱閲忛煶闋讳俊铏熺殑鏁�(sh霉)瀛楀寲铏曠悊锛屽唬娉涙噳鐢ㄤ簬渚挎敎寮忛煶闋昏ō鍌欏拰娑堣不闆诲瓙闋樺煙銆侾CM1690閲囩敤鍏堥�茬殑Sigma-Delta瑾垮埗鎶�琛擄紝鑳藉鎻愪緵鍗撹秺鐨勫嫊鎱�(t脿i)鑼冨湇鍜屼綆澶辩湡鎬ц兘銆�
銆�銆�瑭茶姱鐗囧収缃簡澶氱ó鍔熻兘妯″锛屼緥濡傛暩(sh霉)瀛楁烤娉㈠櫒銆佹檪閻樼鐞嗗柈鍏冧互鍙婇潏娲荤殑鎺ュ彛閬搁爡锛屽緸鑰岀啊鍖栦簡绯荤当(t菕ng)瑷▓骞堕檷浣庝簡澶栭儴鍏冧欢鐨勯渶姹傘�傛澶�锛屽叾浣庡姛鑰楃壒鎬т娇鍏堕潪甯搁仼鍚堥浕姹犱緵闆昏ō鍌欍��
宸ヤ綔闆诲锛�2.7V 鑷� 3.6V
銆�銆�閲囨ǎ鐜囷細8kHz 鑷� 192kHz
銆�銆�淇″櫔姣旓紙SNR锛夛細100dB
銆�銆�绺借娉㈠け鐪熷姞鍣伈锛圱HD+N锛夛細-95dB
銆�銆�閫氶亾鏁�(sh霉)锛氶洐閫氶亾
銆�銆�灏佽椤炲瀷锛歍SSOP-24
銆�銆�宸ヤ綔婧害鑼冨湇锛�-40掳C 鑷� +85掳C
PCM1690鍏峰倷浠ヤ笅闂滈嵉鐗规�э細
銆�銆�1. 楂樺嫊鎱�(t脿i)鑼冨湇鍜屼綆澶辩湡鐨勯煶闋绘�ц兘锛岄仼鍚堥珮绔煶闋绘噳鐢ㄣ��
銆�銆�2. 鏀寔瀵寖鍦嶇殑閲囨ǎ闋荤巼锛岄仼鎳変笉鍚岀殑闊抽牷妯欐簴銆�
銆�銆�3. 鍏х疆鏁�(sh霉)瀛楁烤娉㈠櫒鍜岄亷閲囨ǎ鍔熻兘锛屾笡灏戝皪澶栭儴婵炬尝闆昏矾鐨勯渶姹�銆�
銆�銆�4. 鎻愪緵I2S銆佸乏灏嶉綂鍜屽彸灏嶉綂绛夊绋暩(sh霉)瀛楅煶闋绘帴鍙ｆā寮�銆�
銆�銆�5. 瓒呬綆鍔熻�楄ō瑷�锛屽欢闀烽浕姹犲＝鍛�銆�
銆�銆�6. 绨″寲鐨勯浕婧愭灦妲�锛屽儏闇�鍠竴闆绘簮渚涢浕銆�
銆�銆�7. 灏忓瀷灏佽锛岀瘈(ji茅)鐪丳CB绌洪枔銆�
PCM1690閬╃敤浜庡悇绋渶瑕侀珮鍝佽唱闊抽牷杓稿叆鐨勫牬鍚�锛屽寘鎷絾涓嶉檺浜庯細
銆�銆�1. 鏁�(sh霉)瀛楅寗闊宠ō鍌欙紝濡備究鏀滃紡閷勯煶姗熷拰瑾為煶瑷橀寗鍣�銆�
銆�銆�2. 闊抽牷澶栧湇瑷倷锛屼緥濡俇SB鑱插崱鍜屽鎺AC/ADC妯″銆�
銆�銆�3. 瀹剁敤闊抽熆绯荤当(t菕ng)锛屽挨鍏舵槸渚挎敎寮忛煶绠辨垨杩蜂綘Hi-Fi瑷倷銆�
銆�銆�4. 绉诲嫊闆昏┍鍜屽叾浠栨墜鎸侀�氫俊瑷倷涓殑闊抽牷瀛愮郴绲�(t菕ng)銆�
銆�銆�5. 姹借粖濞涙▊绯荤当(t菕ng)涓殑闊抽牷杓稿叆閮ㄥ垎銆�
PCM1794A, PCM1802
