APDS-9901 Overview
The APDS-9901 is a precision ambient light sensor designed to provide reliable and accurate light measurement in a compact form factor. With its high sensitivity and broad detection range, this sensor is ideal for applications requiring efficient light-based feedback and control. It integrates a photodiode and signal processing circuitry to output a proportional analog voltage corresponding to ambient light intensity. This device supports enhanced system performance in industrial, consumer, and automotive sectors by enabling adaptive brightness and energy-saving features. For detailed sourcing and technical support, visit IC Manufacturer.
APDS-9901 Technical Specifications
| Parameter | Specification |
|---|---|
| Supply Voltage | 2.7 V to 3.3 V |
| Output Type | Analog Voltage Output |
| Light Detection Range | 0 to 100,000 lux |
| Spectral Response | Visible Light (400 nm to 700 nm) |
| Operating Temperature | -40??C to +85??C |
| Package Type | Compact 4-pin SMD |
| Current Consumption | Typically 100 ??A |
| Response Time | 10 ms (typical) |
| Photodiode Type | Silicon PIN photodiode |
APDS-9901 Key Features
- High Sensitivity Photodiode: Enables accurate detection of ambient light levels even in low-light environments, improving system responsiveness.
- Wide Dynamic Range: Supports measurement from darkness to very bright conditions, ensuring versatility across various lighting scenarios.
- Low Power Operation: Minimal current consumption makes it suitable for battery-powered and energy-efficient systems.
- Compact Surface-Mount Package: Facilitates easy integration into space-constrained electronic assemblies.
- Fast Response Time: Allows quick adaptation to changing lighting conditions, enhancing real-time control applications.
- Stable and Reliable Output: Provides consistent analog voltage proportional to light intensity, simplifying signal processing.
APDS-9901 Advantages vs Typical Alternatives
This sensor offers superior sensitivity and a broad detection range compared to standard ambient light sensors, enabling precise light measurement across diverse environments. Its low power consumption and compact package provide advantages in applications requiring energy efficiency and space-saving designs. The stable analog output and fast response time further enhance system reliability and integration ease, making it a preferred choice over typical alternatives in industrial and consumer electronics.
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Typical Applications
- Ambient light sensing for display backlight control, enabling automatic brightness adjustment to optimize user experience and reduce power consumption in portable devices and industrial panels.
- Light intensity monitoring in smart lighting systems to maintain consistent illumination and energy efficiency.
- Environmental light detection in automotive interiors to adjust dashboard and cabin lighting dynamically.
- Integration in IoT devices and wearable electronics where compact size and low power operation are critical for prolonged battery life and device miniaturization.
APDS-9901 Brand Info
The APDS-9901 is a product designed and manufactured by a recognized supplier specializing in semiconductor ambient light sensors. This device embodies the company??s commitment to precision, reliability, and integration simplicity, targeting industrial and consumer electronics markets. Its robust design and proven performance have made it a trusted component for engineers seeking dependable light sensing solutions in advanced electronic systems.
FAQ
What supply voltage range does the APDS-9901 support?
The device operates reliably within a supply voltage range of 2.7 V to 3.3 V, making it compatible with common power rails in embedded and portable systems.
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How does the APDS-9901 output ambient light information?
This sensor provides an analog voltage output proportional to the detected light intensity. This simplifies interfacing with microcontrollers and analog-to-digital converters without the need for complex signal conditioning.
What is the typical current consumption of the sensor?
The APDS-9901 typically consumes around 100 microamperes during operation, supporting low-power applications and contributing to extended battery life in portable devices.
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Can this sensor operate in extreme temperature environments?
Yes, it is designed to function within an operating temperature range from -40??C to +85??C, making it suitable for industrial and automotive environments with wide temperature variations.
What packaging options are available for integration?
The sensor is available in a compact 4-pin surface-mount device package, facilitating easy PCB integration in space-constrained applications and automated assembly processes.
