APDS-9930-140

Product Overview

The APDS-9930-140 is a proximity and ambient light sensor belonging to the category of optical sensors. It is commonly used in electronic devices for detecting the presence of nearby objects and adjusting the display brightness based on ambient light conditions. The sensor is characterized by its compact package, high sensitivity, and low power consumption. It is typically available in small surface-mount packages and is often sold in quantities suitable for mass production.

Specifications

• Proximity Detection Range: Up to 100mm
• Ambient Light Sensing Range: 0.01 lux to 64k lux
• Operating Voltage: 2.4V to 3.6V
• Low Power Consumption: 90µA typical
• I2C Interface Compatibility

Detailed Pin Configuration

The APDS-9930-140 features a standard pin configuration with pins designated for power supply, ground, I2C communication, and proximity/ambient light sensing.

| Pin Name | Function | |----------------|-------------------| | VDD | Power Supply | | GND | Ground | | SDA | I2C Data Line | | SCL | I2C Clock Line | | INT | Interrupt Output | | LED | IR LED Control |

Functional Features

The sensor utilizes an integrated IR LED and photodiode to accurately measure proximity and ambient light levels. It offers adjustable timing and sensitivity settings, allowing for customization based on specific application requirements. Additionally, the interrupt output pin provides real-time feedback to the host system, enabling efficient power management and responsiveness.

Advantages and Disadvantages

Advantages

• High sensitivity for accurate detection
• Low power consumption for extended battery life
• Small form factor for seamless integration into compact designs

Disadvantages

• Limited operating voltage range may not be suitable for all applications
• Susceptible to interference from external IR sources in certain environments

Working Principles

The APDS-9930-140 operates based on the principle of reflective light sensing. The integrated IR LED emits light, which is then reflected off nearby objects and detected by the photodiode. The sensor measures the intensity of the reflected light to determine proximity and ambient light levels.

Detailed Application Field Plans

The APDS-9930-140 finds extensive use in various applications, including: - Mobile devices for automatic screen dimming and proximity-based gesture control - Wearable electronics for optimizing power consumption and user interaction - Industrial automation for object detection and ambient light adjustment in controlled environments

Detailed and Complete Alternative Models

1. APDS-9960: Offers additional gesture recognition capabilities
2. TSL2561: Focuses on high-precision ambient light sensing with a wider dynamic range
3. VL6180X: Integrates time-of-flight technology for accurate distance measurement in addition to ambient light sensing

In conclusion, the APDS-9930-140 serves as a versatile solution for proximity and ambient light sensing in a wide range of electronic devices. Its compact design, customizable features, and reliable performance make it a popular choice for designers seeking efficient and responsive sensor solutions.

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