The Gp2y0a21yk0f datasheet holds the key to understanding a popular and versatile infrared (IR) distance sensor. This document provides comprehensive information about the sensor’s specifications, operating characteristics, and application circuits. It is the go-to resource for anyone looking to integrate this sensor into their robotics projects, automation systems, or any other application requiring non-contact distance measurement.
Decoding the Gp2y0a21yk0f Datasheet Your Guide to Understanding
The Gp2y0a21yk0f datasheet is essentially a technical manual. It details the sensor’s functionality, which is based on infrared triangulation. The sensor emits an IR beam, and an internal PSD (Position Sensitive Detector) measures the angle of the reflected light. Based on this angle, the sensor outputs an analog voltage that corresponds to the distance of the object. This analog voltage is typically between 0.4V and 2.4V, representing distances from approximately 10 cm to 80 cm. Understanding this relationship between distance and output voltage is crucial for effective use. The datasheet helps you to understand the voltage and distance relationship, and explains to the user how it is measured. The ability to accurately measure distances without physical contact makes this sensor incredibly valuable in a wide range of applications.
The datasheet will also provide essential electrical characteristics. This includes the sensor’s operating voltage (typically around 4.5V to 5.5V), its current consumption (usually around 33mA), and the output voltage range. Furthermore, it details the sensor’s response time, which is the time it takes for the sensor to provide a stable reading after a change in distance. Knowing these parameters is vital for designing a proper power supply and interface circuit for the sensor. The Gp2y0a21yk0f datasheet often illustrates the ideal application circuits like this:
- Power supply requirements
 - Interface connections (analog output, Vcc, ground)
 - Filtering recommendations for a stable output
 
Beyond the electrical and functional aspects, the Gp2y0a21yk0f datasheet offers critical information about environmental factors. It specifies the operating temperature range, storage temperature range, and sensitivity to ambient light. Understanding these limitations is important for ensuring reliable sensor performance in different environments. Datasheets often include graphs showing the sensor’s output voltage versus distance under various lighting conditions. Also, datasheets include basic physical information, for example:
- Dimensions and mounting information
 - Pinout diagrams
 - Package type
 
For the most accurate and complete information about the Gp2y0a21yk0f sensor, it’s highly recommended you carefully study the original manufacturer’s datasheet.