APDS-9900 datasheet by Avago Technologies

APDS-9900 Frequently Asked Questions (FAQs)

• What is the recommended operating voltage for the APDS-9900?
  The recommended operating voltage for the APDS-9900 is 2.5V to 3.6V.
• How do I configure the APDS-9900 for proximity sensing?
  The APDS-9900 can be configured for proximity sensing by setting the PROX_EN pin high and configuring the PROX_CFG register. Refer to the datasheet for specific register settings.
• What is the maximum distance for proximity sensing with the APDS-9900?
  The maximum distance for proximity sensing with the APDS-9900 is approximately 10 cm (4 inches) depending on the reflectivity of the target and the ambient light conditions.
• How do I calibrate the APDS-9900 for ambient light sensing?
  The APDS-9900 does not require calibration for ambient light sensing. The device provides a calibrated output in lux (lx) units.
• What is the response time of the APDS-9900 for ambient light sensing?
  The response time of the APDS-9900 for ambient light sensing is approximately 100 ms.