Many things such as reflectance ratio, measurement, maximum ratings, design, and distance measuring are explained inside this datasheet. In the datasheet you can get information like reliability, output, distance, filter, and sensor.
The datasheet gives you discussion around specification, characteristics, circuit, processing circuit, and analog output. These are selected from this datasheet:
SHARP takes no responsibility for damage caused by improper use of the devices which does not meet the conditions and absolute maximum ratings to be used specified in the relevant specification sheet nor meet the following conditions: (i) The devices in this publication are designed for use in general electronic equipment designs such as: — Personal computers — Office automation equipment — Telecommunication equipment [terminal] — Test and measurement equipment — Industrial control — Audio visual equipment — Consumer electronics (ii) Measures such as fail-safe function and redundant design should be taken to ensure reliability and safety when SHARP devices are used for or in connection · If the SHARP devices listed in this publication fall within the scope of strategic products described in the Foreign Exchange and Foreign Trade Law of Japan, it is necessary to obtain approval to export such SHARP devices.
Additionally, the datasheet presents info about distance measuring sensor, responsibility, output voltage, and detector.