鏅傞枔锛�2025/5/6 16:58:17
闁辫畝锛�36
PCM1774 鏄竴娆剧敱 TI锛堝痉宸炲剙鍣級鎺ㄥ嚭鐨勯珮鎬ц兘 32 浣� Delta-Sigma 鏁告ā杞夋彌鍣� (DAC)锛屼富瑕佺敤浜庨煶闋婚牁鍩�銆傚畠鏀寔澶氱ó闊抽牷鎺ュ彛鏍煎紡锛屽寘鎷� I2S銆佸乏灏嶉綂銆佸彸灏嶉綂鍜� DSP 妯″紡锛屽苟涓斿叿鏈夋サ浣庣殑澶辩湡鍜屽櫔鑱叉�ц兘銆傝┎鍣ㄤ欢閬╃敤浜庨珮绔煶闋昏ō鍌�锛屽瀹跺涵褰遍櫌绯荤当(t菕ng)銆佽棈鍏夋挱鏀惧櫒浠ュ強灏堟キ(y猫)闊抽熆瑷倷銆�
銆�銆�PCM1774 閰嶅倷浜嗗厛閫茬殑鏁稿瓧婵炬尝鎶�琛擄紝鑳藉鎻愪緵楂樿唱閲忕殑鑱查煶閲嶆斁鏁堟灉銆傚叾鍏х疆鐨勬暩瀛楁彃鍊兼烤娉㈠櫒鍙皣杓稿叆淇¤櫉鐨勯噰妯ｇ巼鎻愬崌鍒版洿楂樼殑姘村钩锛屽緸鑰屾笡灏戝皪澶栭儴鏁稿瓧淇¤櫉铏曠悊鍣ㄧ殑闇�姹�銆�
椤炲瀷锛氭暩妯¤綁鎻涘櫒 (DAC)
銆�銆�鍒嗚鲸鐜囷細32 浣�
銆�銆�淇″櫔姣� (SNR)锛�120 dB锛堝吀鍨嬪�硷級
銆�銆�绺借娉㈠け鐪熷姞鍣伈 (THD+N)锛�-110 dB锛堝吀鍨嬪�硷級
銆�銆�鍕曟厠(t脿i)鑼冨湇锛�120 dB锛堝吀鍨嬪�硷級
銆�銆�闆绘簮闆诲锛�3.3V 鍜� 5V
銆�銆�宸ヤ綔婧害鑼冨湇锛�0掳C 鑷� 70掳C
銆�銆�灏佽褰㈠紡锛歍SSOP (钖勫瀷灏忓褰㈠皝瑁�)
銆�銆�閫氶亾鏁搁噺锛氱珛楂旇伈闆欓�氶亾
PCM1774 鎻愪緵鍗撹秺鐨勯煶闋绘�ц兘锛屽叿鍌欓珮鍒嗚鲸鐜囧拰浣庡け鐪熺殑鐗归粸銆�
銆�銆�鍏堕噰鐢� Delta-Sigma 瑾垮埗鎶�琛�锛屽彲浠ュ鐝�(xi脿n)楂樼簿搴︾殑鏁稿瓧淇¤櫉鍒版ā鎿俊铏熻綁鎻涖��
銆�銆�鏀寔澶氱ó闊抽牷鎺ュ彛妯″紡锛屾柟渚胯垏涓嶅悓鐨勬暩瀛楅煶婧愰�ｆ帴銆�
銆�銆�鍏ч儴闆嗘垚鐨勬暩瀛楁烤娉㈠櫒娓涘皯浜嗗閮ㄥ厓浠剁殑闇�姹�锛岀啊鍖栦簡绯荤当(t菕ng)瑷▓銆�
銆�銆�鏀寔寤ｆ硾鐨勯噰妯ｉ牷鐜�锛屽緸妯欐簴鐨� 44.1 kHz 鍒伴珮閬� 192 kHz 鐨勯珮娓呴煶闋绘牸寮�銆�
銆�銆�鍏锋湁闈堟椿鐨勬檪閻橀厤缃伕闋咃紝閬╂噳涓嶅悓鎳夌敤鍫存櫙闇�姹�銆�
銆�銆�浣庡姛鑰楄ō瑷堬紝閬╁悎渚挎敎寮忓強绡�(ji茅)鑳藉瀷瑷倷浣跨敤銆�
PCM1774 寤ｆ硾鎳夌敤浜庨珮绔煶闋昏ō鍌欎腑锛屼緥濡傚搴奖闄㈢郴绲�(t菕ng)銆佽棈鍏�/DVD 鎾斁鍣�銆丄V 鎺ユ敹鍣ㄣ�佹暩瀛楁祦濯掗珨鎾斁鍣�銆佸皥妤�(y猫)闊抽熆瑷倷浠ュ強鍏朵粬闇�瑕侀珮鍝佽唱闊抽牷杓稿嚭鐨勭敘鍝�銆�
銆�銆�姝ゅ锛屽畠涔熷彲鐢ㄤ簬閷勯煶妫氱礆鍒ョ殑闊抽牷铏曠悊瑷倷锛屽鏁稿瓧娣烽煶鑷烘垨闊抽牷鎺ュ彛鍗＄瓑銆�
銆�銆�鐢变簬鍏舵敮鎸侀珮閲囨ǎ鐜囧拰浣庡け鐪熺殑鐗归粸锛岄倓鐗瑰垾閬╁悎浜庢挱鏀剧劇鎼嶉煶妯傛枃浠剁殑鎾斁鍣ㄨō瑷�銆�
PCM1792, PCM1794, AK4490
