APDS-9251-001 Overview
The APDS-9251-001 is a precision digital ambient light and proximity sensor designed for sophisticated industrial and consumer electronics applications. This device integrates advanced photodiode technology with an on-chip analog-to-digital converter, delivering accurate ambient light measurements alongside proximity detection capabilities. Its compact footprint and low power consumption make it ideal for embedded systems requiring reliable environmental sensing. The sensor supports I2C communication, enabling seamless integration into various microcontroller architectures. Manufactured by IC Manufacturer, this product offers engineers and sourcing specialists an efficient and accurate solution for enhancing device responsiveness to environmental changes.
APDS-9251-001 Technical Specifications
| Parameter | Specification |
|---|---|
| Supply Voltage (VDD) | 2.7 V to 3.3 V |
| Operating Current | Typical 130 ??A |
| Ambient Light Sensing Range | 0 to 100,000 lux |
| Proximity Detection Range | Up to 10 cm |
| Interface | I2C (up to 400 kHz) |
| Measurement Resolution | 16-bit ADC for ambient light |
| Operating Temperature | -40??C to +85??C |
| Package Type | Compact 6-pin LGA |
APDS-9251-001 Key Features
- High-Precision Ambient Light Sensing: Utilizes a 16-bit ADC to provide accurate lux measurements, improving device adaptability to varying lighting conditions.
- Proximity Detection Capability: Detects objects up to 10 centimeters away, enabling touchless user interface enhancements and presence detection.
- Low Power Consumption: Typical operating current of 130 ??A supports energy-efficient designs, extending battery life in portable applications.
- I2C Interface for Easy Integration: Standard I2C communication simplifies connectivity with microcontrollers and reduces PCB complexity.
- Wide Operating Voltage Range: Supports supply voltages from 2.7 V to 3.3 V, allowing compatibility with common industrial and consumer power rails.
- Robust Operating Temperature Range: Functionality from -40??C to +85??C ensures reliable performance in harsh environments.
- Compact 6-Pin LGA Package: Small form factor supports space-constrained designs without compromising sensor performance.
APDS-9251-001 Advantages vs Typical Alternatives
This sensor combines ambient light and proximity detection in a single compact device, offering superior integration compared to discrete solutions. Its high sensitivity and 16-bit resolution provide enhanced accuracy, while low power consumption enables longer battery life. The wide operating voltage and temperature ranges ensure reliable operation in diverse industrial environments. Additionally, the standard I2C interface eases system design, making this sensor highly advantageous for applications demanding precision and efficiency.
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Typical Applications
- Industrial automation systems requiring precise ambient light and proximity sensing for adaptive control and safety interlocks.
- Consumer electronics such as smartphones and tablets for automatic screen brightness adjustment and touchless gesture recognition.
- Smart lighting systems that adjust intensity based on ambient conditions to optimize energy consumption.
- Environmental monitoring devices where accurate light and proximity data enhance functionality and user experience.
APDS-9251-001 Brand Info
The APDS-9251-001 is developed by a leading semiconductor manufacturer specializing in advanced sensor technologies. This product reflects a commitment to delivering high-performance, reliable components for industrial and consumer markets. Designed with precision and integration in mind, the sensor aligns with the brand??s focus on innovation, quality, and support for demanding electronic applications worldwide.
FAQ
What is the communication protocol used by this sensor?
The device communicates via the I2C protocol, supporting data rates up to 400 kHz. This enables straightforward integration with most microcontrollers and digital systems that utilize standard I2C interfaces.
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What are the typical operating conditions for temperature and voltage?
It operates within a temperature range of -40??C to +85??C and supports supply voltages from 2.7 V to 3.3 V. These specifications ensure stable performance across various industrial and consumer environments.
How accurate is the ambient light sensing capability?
Featuring a 16-bit analog-to-digital converter, the sensor delivers high-resolution ambient light measurements. This precision allows for accurate lux readings from very low to very bright lighting conditions, enhancing device responsiveness.
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What is the maximum detection range for proximity sensing?
The proximity sensor can detect objects up to 10 centimeters away, making it suitable for applications like touchless user interfaces and presence detection within close proximity.
Is the sensor suitable for battery-powered applications?
Yes, with a typical operating current around 130 ??A, the sensor is designed to consume minimal power, making it an efficient choice for portable and battery-powered devices requiring ambient light and proximity sensing.
