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请问OPA2188可以申请吗？？不可以的话可以购买吗在中国？how much？谢谢
这款芯片没有免费样片可以申请，您可以联系TI在大陆的授权代理商，请参考以下联系方式：
focus.ti.com.cn/.../gencontent.tsp
如果您是想小批量购买，可以联系
