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ROHM RPR0521RS Optical and Ambient Light Sensor

The RPR-0521RS is an advanced optical proximity and ambient light sensor module integrated with an infrared LED. Designed to detect approaching objects within a 1-100mm range and measure ambient illumination from dark environments to direct sunlight, it optimizes display brightness and reduces power consumption. Features include compatibility with I2C interface, low current operation, and noise rejection for flickering lights, making it ideal for smartphones, digital cameras, and portable devices. Its built-in driver and configurable options support versatile lighting conditions and accurate proximity detection.

Authorized Distributors
Source:Newark
Part No:RPR-0521RS
Stock:1
Inv Date:06-09-2026
Price: Unit price: $0.182
Buy/RFQ:
Source:DigiKey
Part No:RPR-0521RS
Stock:0
Inv Date:06-09-2026
Price: Unit price: $0.80902
Buy/RFQ:
Part No:RPR-0521RS
Stock:2129
Inv Date:06-10-2026
Price: Unit price: $1.19
Buy/RFQ:
Part No:RPR-0521RS
Stock:0
Inv Date:06-09-2026
Price: Unit price: $0.64
Buy/RFQ:

ROHM RPR0521RS Optical and Ambient Light Sensor Specifications:

  • Supply Voltage: 2.5V to 3.6V
  • Operating Temperature: -25°C to 85°C
  • Detection Range: 1 - 100 mm (adjustable)
  • Proximity Sensor Output: around 50-112 counts
  • Ambient Light Sensor Outputs: visible (DataO), infrared (Data)
  • Ambient Light Detection Range: from dark to direct sunlight
  • Infrared LED Current: configurable from 25mA to 200mA
  • Pulse Duration: 80-330 microseconds
  • Supply Current for ALS: 10-300 μA
  • Supply Current for PS: 10-200 μA
  • Measurement time for ALS: approximately 100-400 ms
  • Standby current: 0.1-2 μA
  • Pin Configuration: VDD, GND, SCL, SDA, INT, LEDA, LEDK, LDR
  • Package Size: 13 x 13 x 2.26 mm
  • Reflow Temperature: max 250°C for 1 second
  • Certifications: RoHS compliant

Buy the ROHM Series RPR0521RS Ambient Light Proximity Sensor: RPR0521RS

Purchase the ROHM Series RPR0521RS optical proximity and ambient light sensor online today. This module offers high sensitivity, configurable detection range, and low power consumption, making it ideal for mobile devices, digital cameras, and portable gadgets. Its integrated IrLED, I2C compatibility, and noise rejection provide accurate proximity detection and ambient light measurement across a wide range of lighting environments. Ensure reliable performance by ordering this advanced sensor module now for your next project upgrade.

Order your ROHM Series RPR0521RS ambient light proximity sensor today and enhance your mobile or camera project with this high-performance, reliable module.

Frequently Asked Questions

Where can I buy ROHM RPR0521RS?

You can click on the BUY or RFQ button to purchase RPR0521RS from an authorized ROHM distributor.

How do I troubleshoot issues or seek technical support for part RPR0521RS?

You can download the RPR0521RS datasheet or visit the ROHM website for support.

Who is the manufacturer of RPR0521RS?

ROHM

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