OPA2330AID/OPA2830ID
这两款IC采购周期较长,好像用的人不多,有没有替代的型号,出货量大,价格好,现货较多的。我们每月用量不大,几百片,采购起来较费劲。
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OPA2330:OPA2376,优点是offset最大只有25uV,缺点是0.95mA静态电流,功耗大了点;OPA2378,有点是0.15mA静态电流,缺点是offset最大70uV,稍大于2330的50uV。
OPA2830:可做的选择较多,如附件所示。