Ambient Light Sensor + Proximity Sensor
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Технические характеристики

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Корпус DFN-8 CUDFN-8
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NOA3301 Digital Proximity Sensor with Ambient Light Sensor and Interrupt Description The NOA3301 combines an advanced digital proximity sensor and LED driver with an ambient light sensor (ALS) and tri- mode I2C interface with interrupt capability in an integrated monolithic device. Multiple power management features and very low active sensing power consumption directly address the power requirements of battery operated mobile phones and mobile internet devices. The proximity sensor measures reflected light intensity with a high degree of precision and excellent ambient light rejection. The NOA3301 enables a proximity sensor system with a 32:1 programmable LED drive current range and a 30 dB overall proximity detection threshold range. The photopic light response, dark current compensation and high sensitivity of the ambient light sensor eliminates inaccurate light level detection, insuring proper backlight control even in the presence of dark cover glass. The NOA3301 is ideal for improving the user experience by enhancing the screen interface with the ability to measure distance for near/far detection in real time and the ability to respond to ambient lighting conditions to control display backlight intensity. 8 1 CUDFN8 CU SUFFIX CASE 505AF PIN CONNECTIONS VDD 1 8 SCL VSS 2 7 SDA LED_GND 3 6 NC LED 4 5 INT (Top View) Features  Proximity Sensor, LED driver and ALS in One Device  Very Low Power Consumption ORDERING INFORMATION Stand- by Current 5 mA (monitoring I2C interface only, VDD = 3 V)  ALS Operational Current 50 mA  Proximity Sensing Average Operational Current 100 mA  Average LED Sink Current 75 mA  Device Package Shipping† NOA3301CUTAG* CUDFN8 (Pb- Free) 2500 / Tape & Reel †For information on tape and reel specifications, including part orientation and tape sizes, please refer to our Tape and Reel Packaging Specifications Brochure, BRD8011/D. *Temperature Range: - 40C to 80C. Proximity Sensing  Proximity Detection Distance Threshold I2C Programmable with    12- bit Resolution and Four integration Time Ranges (15- bit effective resolution) Effective for Measuring Distances up to 100 mm and Beyond Excellent IR and Ambient Light Rejection Including Sunlight (up to 50k lux) and CFL Interference Programmable LED Drive Current from 5 mA to 160 mA in 5 mA steps, No External Resistor Required  Photopic Spectral Response Nearly Matches Human Eye  Dynamic Dark Current Compensation  Linear Response Over the Full Operating Range  Senses Intensity of Ambient Light from 0.05 lux to 52k  Ambient Light Sensing  ALS Senses Ambient Light and Provides a 16- bit  Output Count on the I2C Bus Directly Proportional to the Ambient Light Intensity  Semiconductor Components Industries, LLC, 2013 February, 2013 - Rev. 2 1 lux with 21- bit Effective Resolution (16- bit converter) Continuously Programmable Integration Times (6.25 ms, 12.5 ms, 25 ms to 800 ms) Precision on- Chip Oscillator (counts equal 0.1 lux at 100 ms integration time) Publication Order Number: NOA3301/D PDF
Документация на серию NOA3301 

NOA3301 - Digital Proximity Sensor with Ambient Light Sensor and Interrupt The NOA3301 combines an advanced digital proximity sensor and

Дата модификации: 01.02.2013

Размер: 653 Кб

23 стр.

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