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鎮ㄥソ锛屾杩庝締鍒扮董搴浕瀛愬競鍫寸恫(w菐ng) 鐧婚寗 | 鍏嶈不娉ㄥ唺

鎮ㄦ墍鍦ㄧ殑浣嶇疆锛�闆诲瓙鍏冨櫒浠堕噰璩肩恫(w菐ng) > IC鐧剧 > ADS4146

ADS4146 鐧�(f膩)甯冩檪闁� 鏅傞枔锛�2025/5/6 19:03:10 鏌ョ湅 闁辫畝锛�33

ADS4146 鏄竴娆鹃珮鎬ц兘銆佷綆鍔熻�楃殑 14 浣嶆ā鏁�(sh霉)杞�(zhu菐n)鎻涘櫒 (ADC)锛岀敱寰峰窞鍎�鍣� (Texas Instruments) 鎻愪緵銆傝┎鍣ㄤ欢鏀寔楂橀仈(d谩) 250 MSPS 鐨勯噰妯ｇ巼锛岄潪甯搁仼鍚堥渶瑕侀珮绮惧害鍜屽揩閫熸暩(sh霉)鎿�(j霉)閲囬泦鐨勬噳(y墨ng)鐢ㄥ牬鏅�銆侫DS4146 闆嗘垚浜嗗绋姛鑳芥ā濉�锛屽寘鎷彲绶ㄧ▼澧炵泭鏀惧ぇ鍣� (PGA) 鍜屽弮鑰冮浕澹撶珐娌栧櫒锛屽緸鑰岀啊鍖栦簡绯荤当(t菕ng)瑷�(sh猫)瑷堝苟娓涘皯浜嗗閮ㄥ厓浠剁殑闇�姹�銆�
銆�銆�閫欐 ADC 鏀寔鍠鍜屽樊鍒嗚几鍏ユā寮�锛屽苟鍏锋湁闈堟椿鐨勬檪閻橀厤缃伕闋咃紝鑳藉婊胯冻鍚勭ó鎳�(y墨ng)鐢ㄩ渶姹�銆傚叾鍑鸿壊鐨勫嫊鎱�(t脿i)鎬ц兘锛堝淇″櫔姣� SNR 鍜岀劇闆滄暎鍕曟厠(t脿i)鑼冨湇 SFDR锛変娇鍏舵垚鐐洪�氫俊銆侀啱(y墨)鐧傛垚鍍忓拰宸ユキ(y猫)鑷嫊鍖栫瓑闋�(l菒ng)鍩熺殑鐞嗘兂閬告搰銆�

鍙冩暩(sh霉)

鍒嗚鲸鐜囷細14 浣�
銆�銆�閲囨ǎ閫熺巼锛�250 MSPS
銆�銆�闆绘簮闆诲锛�1.8 V 鑷� 3.3 V
銆�銆�鎺ュ彛椤炲瀷锛歀VDS
銆�銆�杓稿叆椤炲瀷锛氬柈绔�/宸垎
銆�銆�SNR锛�73 dB 鍏稿瀷鍊�
銆�銆�SFDR锛�90 dB 鍏稿瀷鍊�
銆�銆�鍔熻�楋細312 mW锛堝吀鍨嬪��锛屾豢閲忕▼閬嬭锛�
銆�銆�宸ヤ綔婧害鑼冨湇锛�-40掳C 鑷� +85掳C
銆�銆�灏佽椤炲瀷锛歍QFP-64

鐗规��

ADS4146 鎻愪緵浜嗗崜瓒婄殑鍕曟厠(t脿i)鎬ц兘鍜岄潏娲绘��锛屼娇鍏堕仼鐢ㄤ簬澶氱ó楂樼鎳�(y墨ng)鐢細
銆�銆�1. 楂樼簿搴︼細14 浣嶅垎杈ㄧ巼鍜屼綆鍣伈瑷�(sh猫)瑷堢⒑淇濅簡鍦ㄥ京(f霉)闆滀俊铏熺挵(hu谩n)澧冧笅浠嶈兘瀵︾従(xi脿n)绮剧⒑鐨勬暩(sh霉)鎿�(j霉)杞�(zhu菐n)鎻涖��
銆�銆�2. 蹇�熼噰妯ｏ細鏈�楂樻敮鎸� 250 MSPS 鐨勯噰妯ｉ�熺巼锛屽彲浠ユ崟鎹夐珮闋讳俊铏�銆�
銆�銆�3. 闈堟椿杓稿叆锛氭敮鎸佸柈绔拰宸垎杓稿叆锛岀敤鎴跺彲浠ユ牴鎿�(j霉)鍏烽珨闇�姹傞伕鎿囧悎閬╃殑杓稿叆妯″紡銆�
銆�銆�4. 鍏�(n猫i)閮ㄩ泦鎴愶細闆嗘垚浜� PGA 鍜屽弮鑰冪珐娌栧櫒锛屾笡灏戜簡灏嶅閮ㄩ浕璺殑闇�姹�锛岄檷浣庝簡 PCB 甯冨眬鐨勫京(f霉)闆滄�с��
銆�銆�5. 绡�(ji茅)鑳借ō(sh猫)瑷堬細鍦ㄤ繚璀夐珮鎬ц兘鐨勫悓鏅�锛孉DS4146 閭勪繚鎸佷簡杓冧綆鐨勫姛鑰楁按骞筹紝闈炲父閬╁悎灏嶅姛鑰楁晱鎰熺殑鎳�(y墨ng)鐢ㄥ牬鏅�銆�
銆�銆�6. 瀵緵闆昏寖鍦嶏細鏀寔寰� 1.8V 鍒� 3.3V 鐨勫闆绘簮闆诲鑼冨湇锛岄��(j矛n)涓�姝ュ寮�(qi谩ng)浜嗗叾閬╂噳(y墨ng)鎬�銆�
銆�銆�7. 宸ユキ(y猫)绱氬彲闈犳�э細鑳藉鍦� -40掳C 鑷� +85掳C 鐨勬韩搴﹁寖鍦嶅収(n猫i)绌�(w臎n)瀹氬伐浣滐紝閬╁悎鍚勭ó鐠�(hu谩n)澧冩浠�銆�

鎳�(y墨ng)鐢�

ADS4146 鐨勯珮鎬ц兘鍜岄潏娲绘�т娇鍏跺唬娉涙噳(y墨ng)鐢ㄤ簬浠ヤ笅闋�(l菒ng)鍩燂細
銆�銆�1. 閫氫俊瑷�(sh猫)鍌欙細濡傝粺浠跺畾缇╃劇绶氶浕 (SDR) 鍜屽熀绔欐帴鏀跺櫒銆�
銆�銆�2. 閱�(y墨)鐧傝ō(sh猫)鍌欙細濡傝秴鑱叉尝鎴愬儚鍜屽績闆诲湒 (ECG) 鐩�(ji膩n)娓�銆�
銆�銆�3. 宸ユキ(y猫)鑷嫊鍖栵細鐢ㄤ簬楂橀�熸暩(sh霉)鎿�(j霉)閲囬泦鍜岄亷绋嬫帶鍒躲��
銆�銆�4. 娓│鑸囨脯閲忥細濡傜ず娉㈠櫒鍜屽叾浠栫簿瀵嗘脯瑭﹀剙鍣�銆�
銆�銆�5. 闆烽仈(d谩)绯荤当(t菕ng)锛氱敤浜庣洰妯�(bi膩o)妾㈡脯鍜岃窡韫�銆�
銆�銆�6. 闊抽牷铏曠悊锛氶珮璩�(zh矛)閲忛煶闋绘暩(sh霉)瀛楀寲鎳�(y墨ng)鐢�銆�
銆�銆�7. 绉戝(xu茅)鐮旂┒锛氬灏勯浕鏈涢仩(yu菐n)閺″拰绮掑瓙鐗╃悊瀵﹂涓殑鏁�(sh霉)鎿�(j霉)閲囬泦銆�

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