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我想选ADS1278，但在TI的网站上看到这4个型号，请问有什么区别？谢谢。
ADS1278IPAPR
ADS1278IPAPRG4
ADS1278IPAPT
ADS1278IPAPTG4
主要是包装形式不样， R后缀表示卷带包装，量大，T后缀表示管带包装，量小，价格相对贵些，G4表示环保标准。
www.ti.com.cn/.../ads1278
更多具体信息，请您参加URL中的“样片与购买”
谢谢！
