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Surface - Mount Ambient Light Sensor ALS-PDIC17-55C/TR8 Features Close responsively to the human eye spectrum Light to Current, analog output Good output linearity across wide illumination range Low sensitivity variation across various light sources Operating temperature performance, -40oC to 85oC Wide supply voltage range, 1.8V to 5.5V Size : 2.0mm(L)*1.25mm(W)*0.8mm(H) RoHS compliant and Pb Free package Detection of ambient light to control display backlighting Mobile devices - mobile phones, PDAs Computing device - TFT LCD monitor for Notebook computer Consumer device - TFT LCD TV, plasma TV, video camera, digital camera, toys Automatic residential and commercial management Automatic contrast enhancement for electronic signboard Ambient light monitoring device for daylight and artificial light - Street light, CCD/CCTV Description The ALS-PDIC17-55C/TR8 is consisting of a photodiode and a current amplification IC. EVERLIGHT ALS series product is a good effective solution to the power saving of display backlighting of mobile appliances, such as the mobile phones, NB and PDAs. Due to the high rejection ratio of infrared radiation, the spectral response of the ambient light sensor is close to that of human eyes. Applications Everlight Electronics Co., Ltd. Document No: DAS-017-004 Rev2.1 1 http:\\www.everlight.com Jan. 25, 2008 Surface - Mount Ambient Light Sensor Package Dimensions ALS-PDIC17-55C/TR8 1 1 2 3 2 4 3 4 2 1 4 3 Unit: mm Tolerances: 0.1mm Everlight Electronics Co., Ltd. Document No: DAS-017-004 Rev2.1 2 http:\\www.everlight.com Jan. 25, 2008 Surface - Mount Ambient Light Sensor ALS-PDIC17-55C/TR8 Absolute Maximum Ratings (Ta=25C) Parameter Supply Voltage Output Voltage Output Photo Current Operating Temperature Range Storage Temperature Range Soldering Temperature Range [Note1] Human Body Model ESD Machine Model ESD Symbol Vcc Vo IPH Topr Tstg Tsol HBM MM Rating -0.5~6.0 0 ~ Vcc-0.8 0~5 -40 ~ +85 -40 ~ +100 260 3000 300 Unit V V mA C C C V V Note1: For detail reflow time and the recommended temperature profile, please refer to page 8. Recommended Operating Conditions (Ta=25C) Parameter Operating Temperature Supply Voltage Symbol Topr Vcc Min. -40 1.8 Max. +85 5.5 Unit C V Everlight Electronics Co., Ltd. Document No: DAS-017-004 Rev2.1 3 http:\\www.everlight.com Jan. 25, 2008 Surface - Mount Ambient Light Sensor ALS-PDIC17-55C/TR8 Electrical and Optical Characteristics (Ta=25C) Parameter Supply Current Dark Current Symbol Min. Icc ID IPH1 IPH2 Light Current IPH3 IPH4 Photocurrent Ratio Saturation Output Voltage Peak Sensitivity Wavelength Sensitivity Wavelength Range Rise Time Fall Time Typ. 1.2*IPH 5 50 60 500 1.2 2.35 Max. 100 Unit A nA A A A A V Test Condition 2.20 Vcc=3V or 5.5V; Ev= 0Lux Vcc=3V; Ev=10Lux [Note1] [Fig.2] Vcc=3V; Ev= 100Lux [Note1] [Fig.2] Vcc=3V; Ev= 100Lux [Note2] [Fig.2] Vcc=3V; Ev=1000Lux [Note1] [Fig.2] IPH3 / IPH2 Vo p Vcc=3V; Ev= 100Lx, RL=150K [Fig.3] 590 nm tr tf td ts 390 --0.36 1.13 2.30 0.69 700 nm ms ms ms ms Vcc=3V,RL=27K [Fig.4] Switching Time Delay Time Storage Time Note: 1. White Fluorescent light (Color Temperature = 6500K) is used as light source. However, White LED is substituted in mass production. 2. Illuminance by CIE standard illuminant-A / 2856K, incandescent lamp. Everlight Electronics Co., Ltd. Document No: DAS-017-004 Rev2.1 4 http:\\www.everlight.com Jan. 25, 2008 Surface - Mount Ambient Light Sensor ALS-PDIC17-55C/TR8 Everlight Electronics Co., Ltd. Document No: DAS-017-004 Rev2.1 5 http:\\www.everlight.com Jan. 25, 2008 Surface - Mount Ambient Light Sensor ALS-PDIC17-55C/TR8 Fig.1 Block Diagram PDIC15-21C PDIC17-55C 2. Vcc 2. Vcc Current Amp 1. Vout 1. Vout 3. GND 3. GND 4. GND 4. GND Fig.2 Measurement Method of Light Current Fig.3 Measurement Method of Saturation Output Voltage Vcc Light Source Vcc Light Source ALS-001 PDIC17-55C IL GND Fig.4 Switching Time Measurement Method Everlight Electronics Co., Ltd. Document No: DAS-017-004 Rev2.1 6 http:\\www.everlight.com Jan. 25, 2008 L R CCI Vout ALS-001 AS-3021 PDIC17-55C Vout GND Surface - Mount Ambient Light Sensor ALS-PDIC17-55C/TR8 Typical Electrical and Optical Characteristics Curves Fig.5 Light Current vs. Illuminance Fig.6 Dark Current vs. Temperature Fig.7 2.0 1.8 1.6 Light current vs. Temperature Fig.8 Light current vs. Supply Voltage VCE = 3V EV = 100 Lux Relative light current 1.4 1.2 1.0 0.8 0.6 0.4 0.2 0.0 -60 -40 -20 0 20 40 60 80 100 Fig.9 Spectral Response Output voltage (V) Everlight Electronics Co., Ltd. Document No: DAS-017-004 Rev2.1 7 http:\\www.everlight.com Jan. 25, 2008 Temperature ( ) Fig.10 100 Output voltage vs. Temperature RL = 7.5k EV = 1000 Lux 10 1 0.1 -60 -40 -20 0 20 40 60 80 100 Temperature ( ) Surface - Mount Ambient Light Sensor ALS-PDIC17-55C/TR8 Fig.11 10000 Supply Current vs. Illuminance VCC = 3V Ta = 25 Fig.12 10 Output Voltage vs. Illuminance Ta = 25 Vcc = 3V 1000 1 Supply current (uA) 100 Output voltage (V) 0.1 10 0.01 1 1E-3 0.1 0.01 0.1 1E-4 1 10 100 1000 10000 1 Illuminance (Lux) Everlight Electronics Co., Ltd. Document No: DAS-017-004 Rev2.1 8 Fluorence light RL = 1 K Fluorence light RL = 7.5 K Fluorence light RL = 27 K Fluorence light RL = 75 K 10 100 1000 10000 Illuminance (Lux) http:\\www.everlight.com Jan. 25, 2008 Surface - Mount Ambient Light Sensor Converting Photocurrent to Voltage ALS-PDIC17-55C/TR8 Vcc Current Amp Iph Vout RL CL GND Note: 1. The output voltage (Vout) is the product of photocurrent (IPH) and loading resistor (RL) 2. A right loading resistor shall be chosen to meet the requirement of maximum ambient light, and output saturation voltage: 3. To avoid 60Hz ripple from fluorescent lamps, we suggest that the time constant must be greater than 0.5 second: Everlight Electronics Co., Ltd. Document No: DAS-017-004 Rev2.1 RL x CL 0.5 (empirical data) Vout(max.) = Iout(max.) x RL Vout(saturation)Vcc0.8V 9 http:\\www.everlight.com Jan. 25, 2008 Surface - Mount Ambient Light Sensor Recommended method of storage Reflow Terms: JEDEC Level 4 Specification ALS-PDIC17-55C/TR8 Dry box storage is recommended as soon as the aluminum bag has been opened prevent moisture absorption. The following conditions should be observed, if dry boxes are not available: Storage temperature 10 to 30 After more than 72 hours under these conditions moisture content will be too high for reflow soldering. In case of moisture absorption, the devices will recover to former condition by drying under the following condition: 192 hours at 40+5/-0 and 5%RH (dry air / nitrogen), or 96 hours at 60+5 and < 5%RH for all device containers, or 24 hours at 125+5 not suitable for reel or tubes ESD Precaution: Proper storage and handing procedures should be followed to prevent ESD damage to the devices especially when they are removed from the Anti-static bag. Electro-Static Sensitive Devices warning labels are on the packing. Recommended Solder Profile Notice: (1) Reflow soldering should not be done more than two times. (2) When soldering, do not put stress on the devices during heating. (3) After soldering, do not warp the circuit board. Everlight Electronics Co., Ltd. Document No: DAS-017-004 Rev2.1 Storage humidity 60%RH max 10 http:\\www.everlight.com Jan. 25, 2008 Surface - Mount Ambient Light Sensor Soldering Iron ALS-PDIC17-55C/TR8 Each terminal is to go to the tip of soldering iron temperature less than 350 for 3 seconds within once in less than the soldering iron capacity 25W. Leave two seconds and more intervals, and do soldering of each terminal. Be careful because the damage of the product is often started at the time of the hand solder. Repairing Repair should not be done after the device have been soldered. When repairing is unavoidable, a double-head soldering iron should be used (as below figure). It should be confirmed beforehand whether the characteristics of the device will or will not be damaged by repairing. Everlight Electronics Co., Ltd. Document No: DAS-017-004 Rev2.1 11 http:\\www.everlight.com Jan. 25, 2008 Surface - Mount Ambient Light Sensor Packing Quantity Specification 3000 PCS/ 1 Reel ALS-PDIC17-55C/TR8 Label Format xxxxxx xxxxxx RoHS xxxxxxxxxxxx xxxx xxxxxxxx Reel Dimensions Unit: mm Tolerance: 0.1mm Everlight Electronics Co., Ltd. Document No: DAS-017-004 Rev2.1 12 http:\\www.everlight.com Jan. 25, 2008 Surface - Mount Ambient Light Sensor ALS-PDIC17-55C/TR8 Tape Dimensions 1 2 Out Vcc 3 4 GND GND Unit: mm Tolerance: 0.1mm Moisture Resistant Packaging Label Label Aluminum moistue-proof bag Aluminum moisture-proof bag Desiccant Desiccant Label Label Everlight Electronics Co., Ltd. Document No: DAS-017-004 Rev2.1 13 http:\\www.everlight.com Jan. 25, 2008 Surface - Mount Ambient Light Sensor ALS-PDIC17-55C/TR8 Note: 1. Above specification may be changed without notice. EVERLIGHT will reserve authority on material change for above specification. 2. When using this product, please observe the absolute maximum ratings and the instructions for using outlined in these specification sheets. EVERLIGHT assumes no responsibility for any damage resulting from use of the product which does not comply with the absolute maximum ratings and the instructions included in these specification sheets. 3. These specification sheets include materials protected under copyright of EVERLIGHT corporation. Please don't reproduce or cause anyone to reproduce them without EVERLIGHT's consent. Everlight Electronics Co., Ltd. Document No: DAS-017-004 Rev2.1 14 http:\\www.everlight.com Jan. 25, 2008 |
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