Product Overview
The APDS-9250 is a digital sensor designed for precise measurement of Red, Green, Blue, Infrared (RGB+IR), and Ambient Light (ALS). It features individual channels arranged in a matrix for optimal angular response and accurate spectral response across various light sources. The device supports the I2C interface and includes a programmable interrupt controller to reduce microcontroller load. It excels at detecting light intensity under diverse conditions and through attenuating materials like dark glass. The APDS-9250 is configurable as an Ambient Light Sensor or an RGB+IR Sensor, making it suitable for applications such as LED RGB backlight control, solid-state lighting, reflected LED color sampling, and fluorescent light color temperature detection. Its integrated IR blocking filter and temperature compensation ensure stable output over varying temperatures, positioning it as an excellent choice for ambient light sensing and color temperature monitoring.
Product Attributes
- Brand: Avago Technologies (implied by copyright and website reference)
- Part Number: APDS-9250
- Packaging: Tape & Reel, 5000 per reel
- MSL Rating: JEDEC MSL 3
Technical Specifications
| Parameter | Symbol | Min. | Typ. | Max. | Units | Conditions |
|---|---|---|---|---|---|---|
| Operating Ambient Temperature | TA | -40 | 85 | C | ||
| Supply Voltage | VDD | 1.7 | 3.6 | V | ||
| Active Current | ICS | 130 | A | VDD=2.8V, Gain Mode 3 | ||
| Standby Current | ISTBY | 1 | 2 | A | In Standby Mode. No active I2C communication | |
| I2C-bus Fast Mode Compatible Interface | 400 | kHz | (I2C Fast-Mode) | |||
| Package Dimensions | mm | L 2.0 W 2.0 H 0.65 | ||||
| I2C Slave Address | 0x52 hex (7-bit addressing) | |||||
| ADC Resolution | 20 | bit | Up to 20-Bit Resolution | |||
| Dynamic Range | 18,000,000:1 | Wide Dynamic Range | ||||
| Storage Temperature Range | Tstg | -40 | 85 | C | ||
| Power Supply Voltage | VDD | 3.8 | V | Max | ||
| Max Voltage on SCL, SDA, INT pads | VI2C | -0.5 | 3.8 | V | ||
| Dark Count | 0 | 3 | counts | |||
| ADC Integration Time | 2.97 | 3.125 | 3.28 | ms | ||
| Full Scale ADC Counts Per Step | 8192 | counts | 13 bit | |||
| Full Scale ADC Count Value | 262,143 | counts | 18 bit, 100ms, G=1x | |||
| ALS Peak Wavelength | P | 550 | nm | |||
| ALS Min Integration Time | Tintmin1 | 3.125 | ms | |||
| ALS Min Integration Time | Tintmin2 | 50 | ms | With 50/60Hz rejection | ||
| ALS Max Integration Time | Tintmax | 400 | ms | With 50/60Hz rejection | ||
| ALS Output Resolution | RESALS | 13 | 18 | 20 | bit |
Applications
- OLED Display Control
- RGB LED Backlight Control
- Ambient Light Color Temperature Sensing
Features
- Color and Ambient Light Sensing (CS-RGB and ALS)
- Accuracy of Correlated Color Temperature (CCT)
- Individual channels for Red, Green, Blue and Infrared
- Approximates Human Eye Response with Green Channel
- Red, Green, Blue, Infrared and ALS Sensing
- High Sensitivity in low lux condition Ideally suited for Operation Behind Dark Glass
- Wide Dynamic Range: 18,000,000:1
- Up to 20-Bit Resolution
- Low Active Current 130 A typical
- Low Standby Current 1A typical
- I2C-bus Fast Mode Compatible Interface Up to 400 kHz
- Dedicated Interrupt Pin
- Small Package: 2.0 2.0 0.65 mm
I/O Pins Configuration
| Pin Name | Type | Description |
|---|---|---|
| SCL | I | I2C Serial Clock Input Terminal Clock Signal for I2C Serial Data |
| SDA | I/O | Serial Data I/O for I2C |
| VDD | Supply | Power Supply Voltage |
| INT | O | Interrupt Open Drain |
| NC | No Connect | |
| GND | Ground | Power Supply Ground. All Voltages are referenced to GND |
2410121812_Broadcom-APDS-9250_C3647022.pdf
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