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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

LTC2378-20
闁辫畝锛�4380鏅傞枔锛�2013-08-16 15:06:39

銆�銆�LTC2378-20 鏄竴娆句綆鍣伈銆佷綆鍔熺巼銆侀珮閫� 20 浣嶉�愭閫艰繎鍨�瀵勫瓨鍣� 锛圫AR锛� ADC.LTC2378-20 閲囩敤鍠� 2.5V 宸ヤ綔闆绘簮锛屽叿鏈変竴鍊� 卤VREF 鐨勫叏宸垎杓稿叆鑼冨湇 锛圴REF 鐨勮畩鍖栬寖鍦嶅緸2.5V 鑷� 5.1V锛�銆侺TC2378-20 鍍呮秷鑰� 21mW 鍔熺巼锛屽苟瀵︾従(xi脿n)浜� 卤2ppm INL 锛堝�硷級銆佺劇婕忓け纰� 锛堝湪 20 浣嶏級 鍜� 104dB SNR.

涓昏鐗归粸

銆�銆�1Msps 鍚炲悙閫熺巼

銆�銆�卤0.5ppm INL 锛堝吀鍨嬪�硷級

銆�銆�淇濊瓑 20 浣嶇劇婕忓け纰�

銆�銆�鍏ㄥ樊鍒嗚几鍏ヨ寖鍦嶏細卤VREF

銆�銆�VREF 杓稿叆鑼冨湇锛�2.5V 鑷� 5.1V

銆�銆�鐒℃祦姘寸窔寤堕伈锛岀劇鍛ㄦ湡寤堕伈

銆�銆�1.8V 鑷� 5V I/O 闆诲

銆�銆�浣庡姛鑰楋細21mW 锛堝湪 1Msps锛夈��21渭W 锛堝湪 1ksps锛�

銆�銆�鍦� fIN = 2kHz 鏅� SNR 鐨勫吀鍨嬪�肩偤 104dB

銆�銆�鍦� fIN = 2kHz 鏅� THD 鐨勫吀鍨嬪�肩偤 -125dB

銆�銆�鏁�(sh霉)瀛楀鐩婂绺� 锛圖GC锛�

銆�銆�淇濊瓑閬嬩綔鑷� 85掳C

銆�銆�2.5V 闆绘簮

銆�銆�鍏疯強閺堟ā寮忕殑 SPI 鍏煎鍨嬩覆琛� I/O

銆�銆�鍏�(n猫i)閮ㄨ綁(zhu菐n)鎻涙檪閻�

銆�銆�16 寮曡叧 MSOP 灏佽鍜� 4mm x 3mm DFN 灏佽

鍏稿瀷鎳�(y墨ng)鐢�

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銆�銆�LTC2378-20 鎻愪緵浜嗕竴绋崹鐗圭殑鏁�(sh霉)瀛楀鐩婂绺� 锛圖GC锛� 鍔熻兘锛屽洜鑰屽厤闄や簡椹�(q奴)鍕曞櫒鏀惧ぇ鍣ㄧ殑璨�(f霉)闆绘簮骞朵繚鎸佷簡 ADC 鐨勫畬鏁村垎杈ㄧ巼銆傜暥(d膩ng)琚娇鑳芥檪锛孉DC 灏囧煼(zh铆)琛屼竴绋暩(sh霉)瀛楀畾妯�(bi膩o)鍔熻兘锛屾闋呭姛鑳界敤浜庡皣闆舵(bi膩o)搴︿唬纰煎緸 0V 璁婃彌鑷� 0.1路VREF,浠ュ強灏囧叏妯�(bi膩o)搴︿唬纰煎緸 VREF 璁婃彌鑷� 0.9路VREF.灏嶄簬涓�鍊� 5V 鐨勫吀鍨嬪熀婧�(zh菙n)闆诲锛屽叏妯�(bi膩o)搴﹁几鍏ヨ寖鍦嶇従(xi脿n)鐐� 0.5V 鑷� 4.5V,閫欏氨鐐哄緸鍠� 5.5V 闆绘簮绲﹂﹨(q奴)鍕曟斁澶у櫒渚涢浕鎻愪緵浜嗚冻澶犵殑鍎插倷绌洪枔銆�

缍韩闆诲瓙閫氾紝闆诲瓙鐭ヨ瓨锛屼竴鏌ョ櫨閫氾紒

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