Other Parts Discussed in Thread: OPT3001
产线中对ALS进行AOI检测,需要检测sensor 表面是否有异物,多大尺寸的异物会影响ALS的灵敏度及测试结果?
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产线中对ALS进行AOI检测,需要检测sensor 表面是否有异物,多大尺寸的异物会影响ALS的灵敏度及测试结果?
是的,只要异物影响传感器感测区的光就会影响其性能;
一般会给传感器加一个玻璃或塑料窗,为避免灰尘影响可以定期清理其表面的灰尘,具体见下面 Application Report:
OPT3001: Ambient Light Sensor Application Guide
更多环境光传感器的资料见下面FAQ:
[FAQ] Ambient Light Sensors: List of all FAQs