DESCRIPTION
The VEML7700 is a high-accuracy ambient light sensor (ALS) from Vishay Semiconductors, designed for superior ambient light detection with low noise and high resolution, making it one of the best choices for energy-efficient light-sensing applications. It features an I2C interface, low power consumption, and a wide dynamic range, making it ideal for smart lighting, display backlight control, IoT devices, and wearable applications.
FEATURES
- High Sensitivity & Accuracy – Measures ambient light from 0 lx to 120 klx with 16-bit resolution
- Wide Dynamic Range – Auto-adjusting gain for optimal performance in low-light and bright environments
- Low Power Consumption – Ideal for battery-powered devices with configurable power modes
- I2C Interface – Simple integration with microcontrollers (Arduino, Raspberry Pi, ESP32, etc.)
- Programmable Interrupt Function – Triggers alerts when light levels exceed set thresholds
APPLICATIONS
- Smartphones & Tablets (Auto-brightness adjustment)
- IoT & Smart Home Devices (Light automation)
- Wearables & Health Monitors (Adaptive display control)
- Industrial & Automotive Systems (Light sensing for HMI)
TECHNICAL DETAILS
- Operating Voltage: 3.3V to 5V
- Current Consumption
- Active Mode: 200 µA (typical)
- Shutdown Mode: 1.5 µA (typical)
- Interface: I2C (up to 400 kHz)
- Measure Range: 0 - 120k lx
- Operating Temperature: -40°C to +85°C
- Spectral Response: Close to human eye sensitivity (CIE 1931 photopic curve)
SHIPPING LIST
- 1x VEML7700 Ambient Light Sensor
- 1x Male Pin Headers
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