CS8227GP

www.DataSheet4U.com CS8227GP »ª¾§Ë«¼«µç· ˫ͨµÀÒôƵ¹¦ÂÊ·Å´óµç· 1. ¸ÅÊöÓëÌصã ÄÚº¬¹ýÈȱ£»¤µç·ºÍµçÔ´¿ª¹Ø ÍâΧµç·¼òµ¥ ´Ëµç· CS8227GP ÊÇÒ»¿é˫ͨµÀÒôƵ¹¦·Åµç· Ö÷ÒªÓÃÓÚ±ãЯʽÊÕÒô»úºÍºÐʽ¼Òô»ú ÆäÌصãÈçÏ ¾²Ì¬µçÁ÷С µçѹÔöÒæ¸ß Êä³ö¹¦ÂÊ´ó ´ý»ú¿ª¹Ø Èíóéλ ÄÚº¬Èȱ£»¤µç· ¹¤×÷µçÔ´µçѹ·¶Î§¿í VCC = 5 12V ¿ª»úµÍ àÛ Ð¡ ·â×°ÐÎʽ FDIP12 T amb = 25 ICC = 21mA AV = 56.5dB P O =3.0W/CH VCC = 9V ¹Ì¶¨ÔöÒæ f=1kHz f = 1kHz THD = 10% VCC = 9V RL = 3 2. ¹¦ÄÜ¿òͼÓëÒý½Å˵Ã÷ 2.1 ¹¦ÄÜ¿òͼ 1 12 3 6 + 45¦¸ 5 ch-1 - 2 30k¦¸ 9 Æ«Öü°Èȱ£»¤»Ø· 7 + 8 45¦¸ ch-2 - 11 10 30k¦¸ 4 Chest Microelectronics Co.,Ltd. . wg d chest.c FIN om Page1 www.DataSheet4U.com CS8227GP 2.2 Òý½Å˵Ã÷ Òý½Å 1 2 3 4 5 6 ·û ºÅ VCC OUT 1 B.S. 1 GND NF1 IN1 ¹¦ ÄÜ µçÔ´ ¹¦·ÅÊä³ö ×Ô¾Ù µØ ·´ÏàÊäÈë ÕýÏàÊäÈë Òý½Å 7 8 9 10 11 12 ·û ºÅ IN2 NF2 RIPPLE B.S. 2 OUT 2 VCC ¹¦ ÄÜ ÕýÏàÊäÈë ·´ÏàÊäÈë ÎƲ¨ ×Ô¾Ù ¹¦·ÅÊä³ö µçÔ´ 3. µçÌØÐÔ 3.1 ¼«ÏÞ²ÎÊý ³ý·ÇÁíÓй涨 T amb= 25 ²Î Êý Ãû ³Æ ·û ºÅ µçÔ´µçѹ Vcc Êä³öµçÁ÷ peak ch IO (peak) ¹¦ºÄ PD ¹¤×÷»·¾³ÎÂ¶È T opr ´¢´æÎÂ¶È T stg 3.2 µçÌØÐÔ ³ý·ÇÁíÓй涨 T amb= 25 ²Î Êý Ãû ³Æ ¾²Ì¬µçÁ÷ Êä³ö¹¦ÂÊ Ê§Õæ¶È µçѹÔöÒæ ÊäÈë×迹 Êä³ö ÔëÉùµçѹ ÎƲ¨ÒÖÖÆ±È Í¨µÀ´®Òô ʧµ÷µçѹ ´ý»úµçÁ÷ ·û ºÅ ICCQ Po THD Av(1) Av(2) RIN Vno R.R C.T V6 V7 Istb VCC = 9V f =1kHz ²â ÊÔ Ìõ ¼þ VIN = 0V THD =10% THD =10% RL=3 Po = 0.4W CH Rf =120 Vo =0dBm Rf =0 , Vo=0dBm Rg =10k , BW=20Hz 20kHz Rg = 600 f = 100Hz Rg =600 VO = 0dBm SW1 OFF ,RL= 4 ,Rg = 600 ¹æ ·¶ Öµ ×îС µäÐÍ ×î´ó 21 45 2.0 2.5 3.0 0.2 1.0 43 45 47 56.5 30 0.3 52 5...