鏅傞枔锛�2025/5/6 16:58:17
闁辫畝锛�33
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�(sh霉)妯¤綁(zhu菐n)鎻涘櫒 (DAC)锛屼富瑕佺敤浜庨煶闋婚牁(l菒ng)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鍌欙紝濡傚搴奖闄㈢郴绲�(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�(sh霉)瀛楁烤娉㈡妧琛�(sh霉)锛岃兘澶犳彁渚涢珮璩�(zh矛)閲忕殑鑱查煶閲嶆斁鏁堟灉銆傚叾鍏�(n猫i)缃殑鏁�(sh霉)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�(sh霉)瀛椾俊铏熻檿鐞嗗櫒鐨勯渶姹�銆�
椤炲瀷锛氭暩(sh霉)妯¤綁(zhu菐n)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�(sh霉)閲忥細绔嬮珨鑱查洐閫氶亾
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�(di脿o)鍒舵妧琛�(sh霉)锛屽彲浠ュ鐝�(xi脿n)楂樼簿搴︾殑鏁�(sh霉)瀛椾俊铏熷埌妯℃摤淇¤櫉杞�(zhu菐n)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(sh霉)瀛楅煶婧愰�ｆ帴銆�
銆�銆�鍏�(n猫i)閮ㄩ泦鎴愮殑鏁�(sh霉)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�锛岄仼鎳変笉鍚屾噳鐢ㄥ牬鏅渶姹傘��
銆�銆�浣庡姛鑰楄ō瑷�锛岄仼鍚堜究鏀滃紡鍙婄瘈(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(sh霉)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(zh矛)闊抽牷杓稿嚭鐨勭敘(ch菐n)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�(sh霉)瀛楁贩闊宠嚭鎴栭煶闋绘帴鍙ｅ崱绛�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
