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请教：ads1258 IRTCR和IRTCT的区别在哪？手册里没看明白，TCR和TCRG4的区别应该是有铅和无铅。多谢
你好，
ADS1258IRTCT是250个芯片一个包装；ADS1258IRTCR是2500个芯片一个包装的。
具体请参考数据手册47页PACKAGING INFORMATION节
IRTCT 小包装， IRTCR 大包装，专业分销推广 德洲仪器，原装正品，
ADS1262你们有现货吗？
chapman ho 说： ADS1262你们有现货吗？
http://www.ti.com.cn/general/cn/docs/gencontent.tsp?contentId=24957
