Optical proximity sensors avago apds 9700 020 50 6969 is a device that has been designed to work with the proximity sensor 50 6968 this signal conditioning ic expands the performance and reliability of the object sensor connected to it the device is a single chip solution that consists of an led driver circuit sunlight cancellation and built in led stuck high protection circuit integrated into a single chip the ic has artificial light immunity and also operates in bright sunlight the dev