APDS-9151 Overview
The APDS-9151 is a high-performance proximity sensor designed for precise object detection and ambient light measurement in industrial and consumer electronics. It integrates an infrared LED with a photodiode sensor to deliver accurate proximity sensing with low power consumption, making it ideal for compact devices requiring reliable close-range detection. The device’s compact form factor and integrated optical components simplify system design, reduce bill of materials, and enhance overall robustness. Engineers and sourcing specialists will appreciate its consistent performance across varying environmental conditions. For detailed technical insights, visit IC Manufacturer.
APDS-9151 Technical Specifications
| Parameter | Specification |
|---|---|
| Supply Voltage | 2.7 V to 3.3 V |
| Operating Current | Typical 3.7 mA (LED on), 1.2 mA (LED off) |
| Proximity Sensing Range | Up to 10 cm |
| Output Type | Analog voltage proportional to proximity |
| Operating Temperature Range | -30 ??C to +70 ??C |
| Package Type | 4-pin LCC (Leadless Chip Carrier) |
| Infrared LED Wavelength | 940 nm |
| Response Time | Typical 10 ms |
APDS-9151 Key Features
- Integrated Infrared LED and Photodiode: Enables precise proximity detection with minimal external components, simplifying the sensor design process.
- Low Power Operation: Supports efficient battery-powered applications by minimizing current consumption during both active and standby modes.
- Compact 4-Pin LCC Package: Facilitates easy PCB layout and mechanical integration in space-constrained devices.
- Wide Operating Temperature Range: Ensures reliable performance in diverse industrial environments, enhancing sensor robustness.
APDS-9151 Advantages vs Typical Alternatives
This proximity sensor offers superior sensitivity and an integrated LED-photodiode solution that improves accuracy and reduces external component count. Compared to typical sensors, it consumes less power and provides a faster response time, making it advantageous for applications demanding efficient and reliable proximity detection. Its compact packaging and stable operation over a broad temperature range further distinguish it from conventional alternatives.
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Typical Applications
- Proximity detection in industrial automation systems, enabling precise object presence sensing to improve process control and safety.
- Consumer electronics for user interface activation, such as automatic screen wake-up or device unlocking based on proximity.
- Smart lighting control systems, where detecting user presence helps optimize energy efficiency.
- Robotic sensing modules requiring compact, low-power proximity detection to navigate and interact with environments.
APDS-9151 Brand Info
The APDS-9151 is a leading proximity sensor product from a reputable semiconductor manufacturer specializing in optical sensing solutions. Known for its high reliability and precision, this sensor is engineered to meet stringent industrial standards while offering ease of integration. Its design reflects a commitment to providing efficient, compact, and robust sensing components suited for modern electronic systems demanding accurate proximity detection and low power consumption.
FAQ
What type of output signal does the APDS-9151 provide?
The device outputs an analog voltage signal proportional to the detected object’s proximity. This analog output enables straightforward interfacing with microcontrollers or analog-to-digital converters for precise distance measurement and processing.
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How does the integrated infrared LED benefit sensor performance?
By integrating the infrared LED within the sensor package, it ensures optimal alignment and consistent illumination, enhancing detection accuracy. This integration also reduces system complexity and improves reliability by minimizing external component dependencies.
Can the sensor operate in harsh environmental conditions?
Yes, it is designed to function reliably within an operating temperature range from -30 ??C to +70 ??C. This wide range makes it suitable for various industrial environments subject to temperature fluctuations.
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What are the power consumption characteristics of the sensor?
The sensor features low power consumption, drawing approximately 3.7 mA when the LED is active and about 1.2 mA when the LED is off. This efficiency supports battery-powered and energy-conscious applications effectively.
What packaging options are available for the APDS-9151?
This sensor is offered in a 4-pin Leadless Chip Carrier (LCC) package, which facilitates compact PCB layout and straightforward surface-mount assembly, supporting miniaturized device designs.
