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The information presented in this cross reference is based on TOSHIBA's selection criteria and should be treated as a suggestion only. Please carefully review the latest versions of all relevant information on the TOSHIBA products, including without limitation data sheets and validate all operating parameters of the TOSHIBA products to ensure that the suggested TOSHIBA products are truly compatible with your design and application.
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IC的电源引脚上是否需要去耦电容？
为了向IC提供稳定的电压并将电源噪声降至最低，建议在GND和电源之间放置一个去耦电容。
去耦电容分为两类：陶瓷电容（用于过滤高频噪声）和电解电容器（用于过滤低频噪声）。陶瓷电容器应靠近IC放置（参见下图）。如果将其置于远离IC处，则不仅会因接线阻抗而降低过滤高频噪声的有效性，还可能导致IC的开关噪声辐射。电容器的电容值因产品而异，因此请参阅产品的应用说明。
通过增设去耦电容，可从电源向IC提供噪声最小的稳定电压。
相关链接
以下文档也包含相关示例
