AD7768-1BCPZ-RL7.pdf

Analog Devices Inc. AD7768 24-§â§Ñ§Ù§â§ñ§Õ§ß§í§Û §¡§¸§±

8-§Ü§Ñ§ß§Ñ§Ý§î§ß§í§Ö/4-§Ü§Ñ§ß§Ñ§Ý§î§ß§í§Ö, 24-§â§Ñ§Ù§â§ñ§Õ§ß§í§Ö §ã§Ú§Ô§Þ§Ñ-§Õ§Ö§Ý§î§ä§Ñ §¡§¸§± Analog Devices AD7768 §Ó§Ü§Ý§ð§é§Ñ§ð§ä §Ó §ã§Ö§Ò§ñ §ã§Ú§Ô§Þ§Ñ-§Õ§Ö§Ý§î§ä§Ñ §Þ§à§Õ§å§Ý§ñ§ä§à§â §Ú §è§Ú§æ§â§à§Ó§à§Û §æ§Ú§Ý§î§ä§â §ß§Ñ §Ü§Ñ§Ø§Õ§à§Þ §Ü§Ñ§ß§Ñ§Ý§Ö §Õ§Ý§ñ §à§Ò§Ö§ã§á§Ö§é§Ö§ß§Ú§ñ §à§Õ§ß§à§Ó§â§Ö§Þ§Ö§ß§ß§à§Û §Ó§í§Ò§à§â§Ü§Ú §ã§Ú§Ô§ß§Ñ§Ý§à§Ó §á§Ö§â§Ö§Þ§Ö§ß§ß§à§Ô§à §Ú §á§à§ã§ä§à§ñ§ß§ß§à§Ô§à §ä§à§Ü§Ñ. §¬§Ñ§Ø§Õ§í§Û §Ü§Ñ§ß§Ñ§Ý §¡§¸§± AD7768 §Þ§à§Ø§Ö§ä §Õ§à§ã§ä§Ú§Ô§Ñ§ä§î §ã§Ü§à§â§à§ã§ä§Ú §á§Ö§â§Ö§Õ§Ñ§é§Ú §Õ§Ñ§ß§ß§í§ç §Õ§à 256kSPS. §¡§¸§± AD7768 §Ú§Þ§Ö§Ö§ä §Õ§Ú§ß§Ñ§Þ§Ú§é§Ö§ã§Ü§Ú§Û §Õ§Ú§Ñ§á§Ñ§Ù§à§ß 108 §Õ§¢ §á§â§Ú §Ó§ç§à§Õ§ß§à§Û §á§à§Ý§à§ã§Ö §á§â§à§á§å§ã§Ü§Ñ§ß§Ú§ñ 110,8 §Ü§¤§è. §´§Ú§á§Ú§é§ß§í§Ö §â§Ñ§Ò§à§é§Ú§Ö §ç§Ñ§â§Ñ§Ü§ä§Ö§â§Ú§ã§ä§Ú§Ü§Ú §Ó§Ü§Ý§ð§é§Ñ§ð§ä §Ú§ß§ä§Ö§Ô§â§Ñ§Ý§î§ß§å§ð §ß§Ö§Ý§Ú§ß§Ö§Û§ß§à§ã§ä§î ¡À2 ppm (INL), §á§à§Ô§â§Ö§ê§ß§à§ã§ä§î §ã§Þ§Ö§ë§Ö§ß§Ú§ñ ¡À50 §Þ§Ü§£, §á§à§Ô§â§Ö§ê§ß§à§ã§ä§î §å§ã§Ú§Ý§Ö§ß§Ú§ñ ¡À30 ppm §Ú §à§Ò§ë§Ö§Ö §Ô§Ñ§â§Þ§à§ß§Ú§é§Ö§ã§Ü§à§Ö §Ú§ã§Ü§Ñ§Ø§Ö§ß§Ú§Ö (THD) -120 §Õ§¢.

§²§Ñ§Ù§â§Ñ§Ò§à§ä§é§Ú§Ü§Ú §Þ§à§Ô§å§ä §Ó§í§Ò§Ú§â§Ñ§ä§î §Ò§í§ã§ä§â§í§Û §â§Ö§Ø§Ú§Þ AD7768, §â§Ö§Ø§Ú§Þ §ã§â§Ö§Õ§ß§Ö§Û §ã§Ü§à§â§à§ã§ä§Ú §Ú §â§Ö§Ø§Ú§Þ§í §ï§Ü§à§ß§à§Þ§Ú§é§ß§à§Ô§à §ï§ß§Ö§â§Ô§à§á§à§ä§â§Ö§Ò§Ý§Ö§ß§Ú§ñ §Õ§Ý§ñ §à§á§ä§Ú§Þ§Ú§Ù§Ñ§è§Ú§Ú §ê§å§Þ§à§Ó§í§ç §ç§Ñ§â§Ñ§Ü§ä§Ö§â§Ú§ã§ä§Ú§Ü §Ú §ï§ß§Ö§â§Ô§à§á§à§ä§â§Ö§Ò§Ý§Ö§ß§Ú§ñ. §¡§¸§± AD7768 §Þ§à§Ø§ß§à §Ó§í§Ò§â§Ñ§ä§î §Ó §ä§â§Ö§ç §â§Ö§Ø§Ú§Þ§Ñ§ç §á§Ú§ä§Ñ§ß§Ú§ñ, §á§â§Ú §ï§ä§à§Þ §à§ß §á§â§Ö§Õ§ã§ä§Ñ§Ó§Ý§ñ§Ö§ä §ã§à§Ò§à§Û §Þ§ß§à§Ô§à§â§Ñ§Ù§à§Ó§å§ð §á§Ý§Ñ§ä§æ§à§â§Þ§å §Õ§Ý§ñ §Þ§Ñ§Ý§à§Þ§à§ë§ß§í§ç §Þ§à§Õ§å§Ý§Ö§Û §Ú§Ù§Þ§Ö§â§Ö§ß§Ú§ñ §á§à§ã§ä§à§ñ§ß§ß§à§Ô§à §ä§à§Ü§Ñ §Ú §Ó§í§ã§à§Ü§à§á§â§à§Ú§Ù§Ó§à§Õ§Ú§ä§Ö§Ý§î§ß§í§ç §Þ§à§Õ§å§Ý§Ö§Û §Ú§Ù§Þ§Ö§â§Ö§ß§Ú§ñ §á§Ö§â§Ö§Þ§Ö§ß§ß§à§Ô§à §ä§à§Ü§Ñ.

§¡§¸§± AD7768 §ä§Ñ§Ü§Ø§Ö §Ú§Þ§Ö§Ö§ä §à§Ò§ê§Ú§â§ß§å§ð §è§Ú§æ§â§à§Ó§å§ð §æ§Ú§Ý§î§ä§â§Ñ§è§Ú§ð, §à§ä§Ü§Ý§Ú§Ü sinc (§é§Ö§â§Ö§Ù §æ§Ú§Ý§î§ä§â sinc5), §ä§â§Ñ§Ü§ä §ã §Þ§Ñ§Ý§à§Û §Ù§Ñ§Õ§Ö§â§Ø§Ü§à§Û §Ó §å§Ù§Ü§à§Û §á§à§Ý§à§ã§Ö §á§â§à§á§å§ã§Ü§Ñ§ß§Ú§ñ §Ú §Ú§Ù§Þ§Ö§â§Ö§ß§Ú§ñ §ã §ß§Ú§Ù§Ü§Ú§Þ §å§â§à§Ó§ß§Ö§Þ §ê§å§Þ§Ñ.

§ç§Ñ§â§Ñ§Ü§ä§Ö§â§Ú§ã§ä§Ú§Ü§Ñ

§±§â§Ö§è§Ú§Ù§Ú§à§ß§ß§í§Ö §ç§Ñ§â§Ñ§Ü§ä§Ö§â§Ú§ã§ä§Ú§Ü§Ú §á§Ö§â§Ö§Þ§Ö§ß§ß§à§Ô§à §Ú §á§à§ã§ä§à§ñ§ß§ß§à§Ô§à §ä§à§Ü§Ñ

8-§Ü§Ñ§ß§Ñ§Ý§î§ß§Ñ§ñ §à§Õ§ß§à§Ó§â§Ö§Þ§Ö§ß§ß§Ñ§ñ §Ó§í§Ò§à§â§Ü§Ñ

§³§Ü§à§â§à§ã§ä§î §á§Ö§â§Ö§Õ§Ñ§é§Ú §Õ§Ñ§ß§ß§í§ç §ß§Ñ §Ü§Ñ§ß§Ñ§Ý: 256kSPS

§¥§Ú§ß§Ñ§Þ§Ú§é§Ö§ã§Ü§Ú§Û §Õ§Ú§Ñ§á§Ñ§Ù§à§ß: 108 §Õ§¢

§£§ç§à§Õ§ß§Ñ§ñ §á§à§Ý§à§ã§Ñ §á§â§à§á§å§ã§Ü§Ñ§ß§Ú§ñ: 110,8 §Ü§¤§è (§á§à§Ý§à§ã§Ñ §á§â§à§á§å§ã§Ü§Ñ§ß§Ú§ñ −3 §Õ§¢ (BW))

§°§Ò§ë§Ö§Ö §Ô§Ñ§â§Þ§à§ß§Ú§é§Ö§ã§Ü§à§Ö §Ú§ã§Ü§Ñ§Ø§Ö§ß§Ú§Ö (THD): −120 §Õ§¢ (§ä§Ú§á§Ú§é§ß§à§Ö §Ù§ß§Ñ§é§Ö§ß§Ú§Ö)

¡À2ppm §±§à§Ý§ß§í§Û §Õ§Ú§Ñ§á§Ñ§Ù§à§ß (FSR) §ª§ß§ä§Ö§Ô§â§Ñ§Ý§î§ß§Ñ§ñ §ß§Ö§Ý§Ú§ß§Ö§Û§ß§à§ã§ä§î (INL), §á§à§Ô§â§Ö§ê§ß§à§ã§ä§î §ã§Þ§Ö§ë§Ö§ß§Ú§ñ ¡À50 §Þ§Ü§£, §á§à§Ô§â§Ö§ê§ß§à§ã§ä§î §å§ã§Ú§Ý§Ö§ß§Ú§ñ ¡À30 ppm

§°§á§ä§Ú§Þ§Ú§Ù§Ú§â§à§Ó§Ñ§ß§ß§à§Ö §ï§ß§Ö§â§Ô§à§á§à§ä§â§Ö§Ò§Ý§Ö§ß§Ú§Ö, §å§â§à§Ó§Ö§ß§î §ê§å§Þ§Ñ §Ú §á§â§à§á§å§ã§Ü§ß§Ñ§ñ §ã§á§à§ã§à§Ò§ß§à§ã§ä§î §ß§Ñ §Ó§ç§à§Õ§Ö

§£§í§Ò§Ú§â§Ñ§Ö§Þ§à§Ö §ï§ß§Ö§â§Ô§à§á§à§ä§â§Ö§Ò§Ý§Ö§ß§Ú§Ö, §ã§Ü§à§â§à§ã§ä§î §Ú §Ó§ç§à§Õ§ß§Ñ§ñ §á§à§Ý§à§ã§Ñ §á§â§à§á§å§ã§Ü§Ñ§ß§Ú§ñ

§¢§í§ã§ä§â§í§Û: §Þ§Ñ§Ü§ã§Ú§Þ§Ñ§Ý§î§ß§Ñ§ñ §ã§Ü§à§â§à§ã§ä§î, §á§à§Ý§à§ã§Ñ §á§â§à§á§å§ã§Ü§Ñ§ß§Ú§ñ 110,8 §Ü§¤§è, 51,5 §Þ§£§ä §ß§Ñ §Ü§Ñ§ß§Ñ§Ý

§³§â§Ö§Õ§ß§ñ§ñ §ã§Ü§à§â§à§ã§ä§î: §á§à§Ý§à§Ó§Ú§ß§ß§Ñ§ñ §ã§Ü§à§â§à§ã§ä§î, §á§à§Ý§à§ã§Ñ §á§â§à§á§å§ã§Ü§Ñ§ß§Ú§ñ 55,4 §Ü§¤§è, 27,5 §Þ§£§ä §ß§Ñ §Ü§Ñ§ß§Ñ§Ý

Eco: §Þ§Ú§ß§Ú§Þ§Ñ§Ý§î§ß§à§Ö §ï§ß§Ö§â§Ô§à§á§à§ä§â§Ö§Ò§Ý§Ö§ß§Ú§Ö, §á§à§Ý§à§ã§Ñ §á§â§à§á§å§ã§Ü§Ñ§ß§Ú§ñ 13,8 §Ü§¤§è, 9,375 §Þ§£§ä §ß§Ñ §Ü§Ñ§ß§Ñ§Ý

§¥§Ú§Ñ§á§Ñ§Ù§à§ß §Ó§ç§à§Õ§ß§à§Û §á§à§Ý§à§ã§í §á§â§à§á§å§ã§Ü§Ñ§ß§Ú§ñ: §à§ä 0 §Õ§à 110,8 §Ü§¤§è

§±§â§à§Ô§â§Ñ§Þ§Þ§Ú§â§å§Ö§Þ§Ñ§ñ §Ó§ç§à§Õ§ß§Ñ§ñ §á§à§Ý§à§ã§Ñ §á§â§à§á§å§ã§Ü§Ñ§ß§Ú§ñ/§é§Ñ§ã§ä§à§ä§Ñ §Õ§Ú§ã§Ü§â§Ö§ä§Ú§Ù§Ñ§è§Ú§Ú

§ª§ß§ä§Ö§â§æ§Ö§Û§ã §Õ§Ñ§ß§ß§í§ç §á§à§Õ§Õ§Ö§â§Ø§Ú§Ó§Ñ§Ö§ä §á§â§à§Ó§Ö§â§Ü§å §à§ê§Ú§Ò§à§Ü §è§Ú§Ü§Ý§Ú§é§Ö§ã§Ü§Ú§Þ §Ú§Ù§Ò§í§ä§à§é§ß§í§Þ §Ü§à§Õ§à§Þ (CRC).

§Ô§Ú§â§Ý§ñ§ß§Õ§Ñ

§­§Ú§ß§Ö§Û§ß§à-§æ§Ñ§Ù§à§Ó§í§Û §è§Ú§æ§â§à§Ó§à§Û §æ§Ú§Ý§î§ä§â

§¶§Ú§Ý§î§ä§â sinc5 §ã §Þ§Ñ§Ý§à§Û §Ù§Ñ§Õ§Ö§â§Ø§Ü§à§Û

§º§Ú§â§à§Ü§à§á§à§Ý§à§ã§ß§í§Û §æ§Ú§Ý§î§ä§â Brickwall: §á§å§Ý§î§ã§Ñ§è§Ú§Ú ¡À0,005 §Õ§¢ (§à§ä 0 §Õ§à 102,4 §Ü§¤§è)

§¢§å§æ§Ö§â §á§â§Ö§Õ§Ó§Ñ§â§Ú§ä§Ö§Ý§î§ß§à§Û §Ù§Ñ§â§ñ§Õ§Ü§Ú §Ñ§ß§Ñ§Ý§à§Ô§à§Ó§à§Ô§à §Ó§ç§à§Õ§Ñ

§Ú§ã§ä§à§é§ß§Ú§Ü §á§Ú§ä§Ñ§ß§Ú§ñ

AVDD1 = 5 §£, AVDD2 = 2,25¨C5 §£

IOVDD = 2,5 §£ - 3,3 §£ §Ú§Ý§Ú IOVDD = 1,8 §£

64-§Ü§à§ß§ä§Ñ§Ü§ä§ß§í§Û §Ü§à§â§á§å§ã LQFP, §Ò§Ö§Ù §á§Ý§à§ë§Ñ§Õ§Ü§Ú

§´§Ö§Þ§á§Ö§â§Ñ§ä§å§â§ß§í§Û §Õ§Ú§Ñ§á§Ñ§Ù§à§ß: §à§ä −40¡ãC §Õ§à +105¡ãC

§á§â§Ú§Ý§à§Ø§Ö§ß§Ú§Ö

§³§Ú§ã§ä§Ö§Þ§Ñ §ã§Ò§à§â§Ñ §Õ§Ñ§ß§ß§í§ç: USB/PXI/Ethernet

§¬§à§ß§ä§â§à§Ý§î§ß§à-§Ú§Ù§Þ§Ö§â§Ú§ä§Ö§Ý§î§ß§í§Ö §á§â§Ú§Ò§à§â§í §Ú §á§â§à§Þ§í§ê§Ý§Ö§ß§ß§í§Ö §Ü§à§ß§ä§å§â§í §å§á§â§Ñ§Ó§Ý§Ö§ß§Ú§ñ

§¡§å§Õ§Ú§à §ä§Ö§ã§ä §Ú §Ú§Ù§Þ§Ö§â§Ö§ß§Ú§Ö

§®§à§ß§Ú§ä§à§â§Ú§ß§Ô §Ó§Ú§Ò§â§Ñ§è§Ú§Ú §Ú §ã§à§ã§ä§à§ñ§ß§Ú§ñ §à§Ò§à§â§å§Õ§à§Ó§Ñ§ß§Ú§ñ

§´§â§Ö§ç§æ§Ñ§Ù§ß§í§Û §Ñ§ß§Ñ§Ý§Ú§Ù §Ü§Ñ§é§Ö§ã§ä§Ó§Ñ §ï§Ý§Ö§Ü§ä§â§à§ï§ß§Ö§â§Ô§Ú§Ú

§ã§à§ß§Ñ§â

§£§í§ã§à§Ü§à§ä§à§é§ß§Ñ§ñ §Þ§Ö§Õ§Ú§è§Ú§ß§ã§Ü§Ñ§ñ §¿§¿§¤/§¿§®§¤/§¿§¬§¤