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ISL29102IROZ-T7 Fiches technique(PDF) 1 Page - Intersil Corporation |
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ISL29102IROZ-T7 Fiches technique(HTML) 1 Page - Intersil Corporation |
1 / 9 page 1 ® FN6483.1 CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures. 1-888-INTERSIL or 1-888-468-3774 | Intersil (and design) is a registered trademark of Intersil Americas Inc. Copyright © Intersil Americas Inc. 2008, 2010. All Rights Reserved. All other trademarks mentioned are the property of their respective owners. ISL29102 Low Power Ambient Light-to-Voltage Non-Linear Converter The ISL29102 is a low cost light-to-voltage silicon optical sensor combining a photodiode array, a non-linear current amplifier and a micro-power op amp on a single monolithic IC. Similar to human eyes, the photodiode array has peak sensitivity at 550nm and spans from 400nm to 600nm, rejecting UV light and IR light. The input luminance range is from 0.3 lux to 10,000 lux. The integrated non-linear current amplifier boosts and converts the photodiode signal in a square root fashion, extending the light input dynamic range while maintaining excellent sensitivity at dim conditions with low lux levels. The device consumes minimal power over a wide range of ambient lux levels because the current consumption ramps at a square root fashion. A dark current compensation circuit minimizes the effect of temperature dependent leakage currents in the absence of light, improving the light sensitivity at low lux levels while maintaining excellent sensitivity at low lux levels. The built-in 1µA op amp gives the ISL29102 an output voltage driving advantage for heavier loads. The ISL29102 is housed in an ultra compact 2mmx2.1mm ODFN plastic case surface mount package. Operation is rated from -40°C to +85°C. Features • Square Root Voltage Output • 0.3 lux to 10,000 lux Range • 1.8V to 3.3V Supply Range • Close to Human Eye Spectral Response • Fast Response Time • Internal Temperature Compensation • Good IR Rejection • Low Supply Current • Operating Temperature Range -40°C to +85°C • 6 Ld ODFN: 2mmx2.1mmx0.7mm • Pb-Free (RoHS Compliant) Applications • Display and keypad dimming for: - Mobile devices: smart phone, PDA, GPS - Computing devices: notebook PC, webpod - Consumer devices: LCD-TV, digital picture frame, digital camera • Industrial and medical light sensing Related Literature • See AN1422, “Light Sensor Applications” Simplified Block Diagram Ordering Information PART NUMBER (Notes 2, 3) PACKAGE (Pb-Free) PKG. DWG. # ISL29102IROZ-T7 (Note 1) 6 Ld ODFN (Tape and Reel) L6.2x2.1 ISL29102IROZ-EVALZ Evaluation Board NOTES: 1. Please refer to TB347 for details on reel specifications. 2. These Intersil Pb-free plastic packaged products employ special Pb-free material sets; molding compounds/die attach materials and NiPdAu plate - e4 termination finish, which is RoHS compliant and compatible with both SnPb and Pb-free soldering operations. Intersil Pb-free products are MSL classified at Pb- free peak reflow temperatures that meet or exceed the Pb-free requirements of IPC/JEDEC J STD-020. 3. For Moisture Sensitivity Level (MSL), please see device information page for ISL29102. For more information on MSL please see techbrief TB363. VDD GND REXT VOUT 1 2 4 6 LIGHT DATA PROCESS CURRENT AMPLIFIER OUTPUT CURRENT α √LIGHT INTENSITY PHOTODIODE ARRAY + - Data Sheet July 15, 2010 |
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