【选型】国产16MHz无源晶体S3216000091060助力玩具车遥控器设计，精度±10ppm，采用3225小尺寸封装

时间： 2022-11-22 来源：世强

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为保证玩具车遥控器2.4G无线收发SOC芯片实现高精度信号遥控，一般需要一颗外置的16MHz无源晶体，此16MHz无源晶体选型因素参考如下：

1、额定频点：16MHz

2、高精度：常温25℃条件下精度±10ppm；

3、工作温度范围：至少-40℃~85℃；

4、小尺寸封装

针对如上设计需求，推荐选择晶光华无源晶体S3216000091060，采用3225封装，4pin，额定频率16MHz，负载电容9pF，常温25℃条件下精度±10ppm，全温-40℃~85℃条件下精度±30ppm，典型电性参数参考如下图1所示。

图1：晶光华无源晶体S3216000091060典型电性参数

推荐晶光华无源晶体S3216000091060理由如下：

1、采用3225小尺寸封装，可以大幅度节省PCB板空间，有利于产品小型化设计；

2、高精度：常温25℃条件下精度±10ppm，全温-40℃~85℃条件下精度±15ppm，可满足高精度设计需求；

3、世强批量备货，具有良好的供货交期，可以快速支持样品和量产服务；

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