鏅傞枔锛�2025/4/27 18:29:19
闁辫畝锛�34
AD7938鏄竴娆�12浣嶃��4閫氶亾銆侀�愭閫艰繎鍨嬪瘎瀛樺櫒(SAR)妯℃暩(sh霉)杞夋彌鍣�(ADC)锛岄噰鐢�2.7 V鑷�5.25 V鍠浕婧愪緵闆汇�傝┎鍣ㄤ欢鍏х疆涓�鍊嬩綆鍔熻��銆侀珮閫熼噰妯�/淇濇寔鏀惧ぇ鍣�锛岃兘澶犱互楂橀仈1 MSPS鐨勫悶鍚愮巼灏嶈几鍏ヤ俊铏熼�茶鏁�(sh霉)瀛楀寲铏曠悊銆�
銆�銆�AD7938鎻愪緵灏忓瀷LFCSP灏佽鍜孴SSOP灏佽閬搁爡锛岄仼鐢ㄤ簬绌洪枔鍙楅檺鐨勬噳鐢ㄥ牬鏅�銆傚叾闆嗘垚鐨勫璺京鐢ㄥ櫒鍏佽ū鐢ㄦ埗閬告搰鍥涘�嬫ā鎿几鍏ヤ腑鐨勪换鎰忎竴鍊嬮�茶杞夋彌銆傝┎鍣ㄤ欢闈炲父閬╁悎渚挎敎寮忛浕姹犱緵闆绘噳鐢紝鍥犵偤瀹冨叿鏈夎純浣庣殑鍔熻�楃壒鎬�銆�
鍒嗚鲸鐜囷細12浣�
銆�銆�鏈�澶ч噰妯ｉ�熺巼锛�1 MSPS
銆�銆�闆绘簮闆诲鑼冨湇锛�2.7 V 鑷� 5.25 V
銆�銆�宸ヤ綔婧害鑼冨湇锛�-40掳C 鑷� +125掳C
銆�銆�灏佽椤炲瀷锛歀FCSP 鍜� TSSOP
銆�銆�杓稿叆閫氶亾鏁�(sh霉)閲忥細4
銆�銆�淇″櫔姣�(SNR)锛�76 dB锛堝吀鍨嬪�硷級
銆�銆�绌嶅垎闈炵窔鎬�(INL)瑾ゅ樊锛毬�1 LSB锛堝吀鍨嬪�硷級
銆�銆�宸垎闈炵窔鎬�(DNL)瑾ゅ樊锛毬�1 LSB锛堝吀鍨嬪�硷級
AD7938鐨勪富瑕佺壒鎬у寘鎷細
銆�銆�1. 鍏х疆浣庡姛鑰�銆侀珮閫熼噰妯�/淇濇寔鏀惧ぇ鍣紝鏀寔楂樺悶鍚愮巼鎿嶄綔銆�
銆�銆�2. 闆嗘垚鍥涢�氶亾澶氳矾寰╃敤鍣紝鏂逛究闈堟椿鍦伴伕鎿囦笉鍚岀殑杓稿叆淇¤櫉銆�
銆�銆�3. 鏀寔瀵浕婧愰浕澹撹寖鍦嶏紝閬╂噳澶氱ó鎳夌敤鍫存櫙銆�
銆�銆�4. 鎻愪緵绶婃箠鍨嬪皝瑁濋伕闋�锛岄仼鍚堢┖闁撳彈闄愮殑瑷▓銆�
銆�銆�5. 鍏锋湁鍑鸿壊鐨勭窔鎬у害鍜屼綆鍣伈鎬ц兘锛岀⒑淇濋珮绮惧害娓噺銆�
銆�銆�6. 鍏ч儴鍙冭�冮浕澹撶珐娌栧櫒锛岀啊鍖栫郴绲�(t菕ng)瑷▓銆�
銆�銆�7. 闂滄柗妯″紡涓嬬殑瓒呬綆鍔熻�楃壒鎬�锛屽欢闀烽浕姹犲＝鍛�銆�
AD7938寤ｆ硾鎳夌敤浜庝互涓嬮牁鍩燂細
銆�銆�1. 宸ユキ(y猫)鑷嫊鍖栬垏閬庣▼鎺у埗涓殑鏁�(sh霉)鎿�(j霉)閲囬泦绯荤当(t菕ng)銆�
銆�銆�2. 閱�(y墨)鐧傝ō鍌�锛屽渚挎敎寮忕洠(ji膩n)璀峰剙銆佽绯栧剙绛�銆�
銆�銆�3. 娑堣不椤為浕瀛愮敘鍝佺殑闆绘睜绠＄悊绯荤当(t菕ng)銆�
銆�銆�4. 閫氫俊瑷倷涓殑淇¤櫉瑾跨悊鍜岀洠(ji膩n)娓姛鑳�銆�
銆�銆�5. 鍎�鍣ㄥ剙琛紝渚嬪鎵嬫寔寮忔暩(sh霉)瀛楄惉鐢ㄨ〃銆�
銆�銆�6. 浠讳綍闇�瑕佷綆鍔熻��銆侀珮绮惧害ADC鐨勪究鏀滃紡鎴栧祵鍏ュ紡绯荤当(t菕ng)銆�
AD7939, AD7940, ADS7888
