鎽樿锛氭寚绱嬪偝鎰熷櫒鑺墖F(xi脿n)CD4B14鍏锋湁8´280=2240璞＄礌锛岃薄绱犲昂瀵�50 µm´50 µm=500dpi锛涜薄绱犳檪(sh铆)閻橀珮閬�(d谩)2MHz锛�1780frame/s銆傛湰鏂囦粙绱逛簡瑭茶姱鐗囩殑绲�(ji茅)妲�(g貌u)銆佸師鐞嗗強鎳�(y墨ng)鐢ㄧ壒鎬�銆� 闂�(gu膩n)閸佃锛氭寚绱嬪偝鎰熷櫒锛涙韩搴︾墿鐞嗘晥鎳�(y墨ng)锛涢泦鎴愰浕璺�锛汧CD4B14 Abstract: The fingerprint chip FCD4B14 is described in this paper. This chip has 8´280=2240 pixel with pixel size of 50µm´50 µm=500 dpi, pixel frequency of 2MHz and pixel speed of 1780frame/s. The structure, principle and performance of FCD4B14 are presented in detail in the paper. Keywords: Fingerprint sensor; Temperature physical effect; IC; FCD4B14 涓€銆佹杩� FCD4B14鏄疉TMEL鐢熺敘(ch菐n)鐨凢ingerChipTM绯诲垪鎸囩磱鍌虫劅鍣ㄨ姱鐗囦腑鐨勪竴绋�锛孋MOS宸ヨ棟鍒堕€狅紝涓嶉渶瑕佹１閺�銆佸厜婧愮瓑鍏夊(xu茅)閮ㄥ垎銆侳CD4B14鏄竴鍊�(g猫)鍩轰簬婧害鐗╃悊鏁堟噳(y墨ng)鐨勫柈鐗囥€侀珮鎬ц兘銆佷綆鍍�(ji脿)鏍肩殑鎸囩磱鍌虫劅鍣ㄨ姱鐗囥€傝姱鐗囨湁涓€鍊�(g猫)绶氭€х殑澶栧舰绲�(ji茅)妲�(g貌u)锛岀偤浜嗘崟鎹夊埌鎸囩磱锛屽厑瑷辨墜鎸囨粦琛岃秺閬庢晱鎰熷崁(q奴)鍩�銆傜暥(d膩ng)鎹曟崏鍒板咕鍊�(g猫)鎸囩磱鍦栧儚鍚�锛孉TMEL鍏徃鎻愪緵鐨勮粺浠跺彲浠ュ皣閫欎簺鍦栧儚閲嶆柊妲�(g貌u)鎴愬畬鏁寸殑8Bit鎸囩磱鍦栧儚銆傝姱鐗囨瘡绉掑彲鐛插彇浜や粯鐨勬寚绱嬪湒鍍忔槸鍙法绋嬬殑銆侫/D杞�(zhu菐n)鎻涘櫒鎻愪緵鐨勬暩(sh霉)瀛椾俊铏熼仼鍚堜簬EPP骞惰绔彛銆乁SB寰帶鍒跺櫒鎺ュ彛鎴栫洿鎺ヨ垏寰檿鐞嗗櫒鎺ュ彛锛屽彲浠ュ緢瀹规槗鍦板湪涓嶅悓璀樺垾绯荤当(t菕ng)鎳�(y墨ng)鐢ㄤ腑銆� FCD4B14鍏锋湁濡備笅鐗瑰緛锛氭晱鎰熷堡浣嶄簬0.8mm鐨凜OMS鏁�(sh霉)绲勪箣涓婏紱鍦栧儚鍗€(q奴)0.4´14mm=0.02"´ 0.55"锛涘湒鍍忔暩(sh霉)绲�8´280=2240璞＄礌锛涜薄绱犲昂瀵�50µm´50µm=500 dpi锛涜薄绱犳檪(sh铆)閻橀珮閬�(d谩)2MHz锛�1780frame/s锛涘伐浣滈浕澹�3V锝�5.5V锛涘姛鑰�20mW锛�20鑵矰IP闄剁摲鎴朇OB锛圕hip-on-Board锛夊皝瑁�锛涜€愮（鎼�>1´106娆℃粦鍕曟搷浣�锛汦SD闈滈浕闃茶(h霉)>16kV锛涘伐浣滄韩搴﹁寖鍦�0掳C锝�+70掳C銆� FCD4B14鍙唬娉涙噳(y墨ng)鐢ㄤ簬锛歅DA銆佹墜姗�(j墨)閫氳矾銆� 瑷晱銆� 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