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everlight electronics co., ltd. http://www.everlight.com document no: dls-0000009 rev 4 december 7, 2010 1 surface-mount als-pdic15-21c/l230/tr8 ambient light sensor 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, -40 o c to 85 o c ? wide supply voltage range, 2.5v to 5.5v ? size : 3.2mm(l)*1.5mm(w)*1.05mm(h) ? rohs compliant and pb free package description als-pdic15-21c/l230/tr8 ambient light sensor device, which incorporates a photodiode and a current amplifier ic in a single chip, is a good e ffective solution to the power saving of display backlighting of mobile appliances, su ch as the mobile phones and pdas. due to the high rejection ratio of infrared radiation, the spectral response of the ambient light sensor is close to human eyes. applications ? 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
everlight electronics co., ltd. http://www.everlight.com document no: dls-0000009 rev 4 december 7, 2010 2 surface-mount als-pdic15-21c/l230/tr8 ambient light sensor package dimensions unit: mm tolerances: 0.1mm
everlight electronics co., ltd. http://www.everlight.com document no: dls-0000009 rev 4 december 7, 2010 3 s urface-mount mbient light sensor als-pdic15-21c/l230/tr8 a absolute maximum ratings (ta=25 ) parameter symbol rating unit supply voltage v cc -0.5~6.0 v output voltage v o 0 ~ vcc-0.8 v output photo current i ph 0 ~ 5 ma operating temperature range t opr -40 ~ +85 storage temperature range t stg -40 ~ +100 soldering temperature range [note1] t sol 260 human body model esd hbm 3000 v machine model esd mm 300 v note1: for detail reflow time and the recommended temperature profile, please refer to page 8. recommended operating conditions (ta=25 ) parameter symbol min. max. unit o perating temperature t opr -40 +85 supply voltage v cc 2.5 5.5 v
everlight electronics co., ltd. http://www.everlight.com document no: dls-0000009 rev 4 december 7, 2010 4 surface-mount ambient light sensor als-pdic15-21c/l230/tr8 electrical and optical characteristics (ta=25 ) parameter symbol min. typ. max. unit test condition supply current i cc 1.2*i ph a dark current i d 100 na v cc =3v ; e v = 0lux i ph1 3.6 9.5 a v cc =3v; e v =10lux [note1] [fig.2] i ph2 36 95 a v cc =3v; e v = 100lux [note1] [fig.2] i ph3 78 a v cc =3v; e v = 100lux [note2] [fig.2] light current i ph4 360 950 a v cc =3v; e v =1000lux [note1] [fig.2] photocurrent ratio i ph3 / i ph2 1.2 saturation output voltage v o 2.20 2.35 v v cc =3v; e v = 100lx, r l =75k? [fig.3] peak sensitivity wavelen g th p 590 nm rise time t r 0.356 ms fall time t f 1.11 ms delay time t d 2.2 ms switching time storage time t s 0.692 ms v cc =3v,r l =27k? [fig.4] 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. rankings rank test condition min max unit 1 36 60 2 50 80 3 v cc =3v; ev= 100lx 65 95 ua
everlight electronics co., ltd. http://www.everlight.com document no: dls-0000009 rev 4 december 7, 2010 5 surface-mount ambient light sensor als-pdic15-21c/l230/tr8 pdic15-21c 2. vcc 1. vout 3. gnd 4. gnd current amp fig.1 block diagram fig.2 measurement method of light current fig.3 measurement method of saturation output voltage a 2. v cc 1. v out 4. gnd 3. gnd ls-001 light source gnd vout i l vcc i cc als-001 light source gnd vout vcc r l as-3021 pdic15-21c pdic15-21c fig.4 switching time measurement method
everlight electronics co., ltd. http://www.everlight.com document no: dls-0000009 rev 4 december 7, 2010 6 surface-mount als-pdic15-21c/l230/tr8 ambient light sensor typical electrical and opti cal characteristics curves fig.5 light current vs. illuminance fig.6 dark current vs. temperature -60 -40 -20 0 20 40 60 80 100 1e-3 0.01 0.1 1 10 100 1000 10000 100000 average dark current vs. temperature vcc = 3v , ev= 0 lux average dark current (na) temperature ( ) fig.7 light current vs. temperature fi g.8 light current vs. supply voltage -60 -40 -20 0 20 40 60 80 100 0.84 0.86 0.88 0.90 0.92 0.94 0.96 0.98 1.00 1.02 1.04 1.06 1.08 1.10 relative light current vs. temperature vcc = 3v , ev = 100 lux relative light current temperature ( ) 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0 0.90 0.95 1.00 1.05 1.10 1.15 1.20 1.25 1.30 relative light current vs. supply voltage ev = 100lux relative light current supply voltage (v) fig.9 spectral response fig.10 output voltage vs. temperature 200 300 400 500 600 700 800 900 1000 1100 0.0 0.2 0.4 0.6 0.8 1.0 1.2 t a = 25 relative sensitivity wavelength (nm) -60 -40 -20 0 20 40 60 80 100 0 1 2 3 4 5 6 7 8 v cc = 3v e v = 100 lux r l = 75k ? output voltage (v) temperature ( )
s urface-mount mbient light sensor als-pdic15-21c/l230/tr8 a everlight electronics co., ltd. http://www.everlight.com document no: dls-0000009 rev 4 december 7, 2010 7 fig.11 output voltage vs. illuminance 1 10 100 1000 10000 1e-4 1e-3 0.01 0.1 1 10 t a = 25 vcc = 3v fluorence light r l = 75 k ? fluorence light r l = 27 k ? fluorence light r l = 7.5 k ? fluorence light r l = 1 k ? output voltage (v) illuminance (lux)
everlight electronics co., ltd. http://www.everlight.com document no: dls-0000009 rev 4 december 7, 2010 8 surface-mount als-pdic15-21c/l230/tr8 ambient light sensor converting photocurrent to voltage r l gnd vout vcc amp current c l i ph note: 1. the output voltage (v out ) is the product of photocurrent (i ph ) and loading resistor (r l ) 2. a right loading resistor shall be chosen to meet the requirement of maximum ambient light, and output saturation voltage: v out (max.) = i out (max.) r l Q v out (saturation) v cc 0.8v 3. to avoid 60hz ripple from fluorescent lamps, we suggest that the ti me constant must be greater than 0.5 second: r l c l R 0.5 (empirical data)
everlight electronics co., ltd. http://www.everlight.com document no: dls-0000009 rev 4 december 7, 2010 9 s urface-mount ambient light sensor als-pdic15-21c/l230/tr8 recommended method of storage reflow terms: jedec level 2 specification dry box storage is recommended as soon as the aluminum bag has been opened prevent moisture absorption. the following conditions should be obser ved, if dry boxes are not available: z storage temperature 10 to 30 z storage humidity Q 60%rh max after more than one year 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. http://www.everlight.com document no: dls-0000009 rev 4 december 7, 2010 10 surface-mount als-pdic15-21c/l230/tr8 ambient light sensor soldering iron 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 becaus e the damage of the produc t 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 bel ow figure). it should be confirmed beforehand whether the characteristics of the devic e will or will not be damaged by repairing.
everlight electronics co., ltd. http://www.everlight.com document no: dls-0000009 rev 4 december 7, 2010 11 surface-mount ambient light sensor als-pdic15-21c/l230/tr8 packing quantity specification 2000 pcs/ 1 reel label format cpn: customer?s production number p/n : production number qty: packing quantity cat: ranks hue: peak wavelength ref: reference lot no: lot number made in taiwan: production place rohs pb cpn : p n : xxxxxxxxxxxxx xxxxxxxxxxxxx qty : xxx lot no : xxxxxxxxxx reference : xxxxxxxx cat : xxx hue : xxx ref : xxx everlight reel dimensions tolerance: 0.1mm unit: mm
everlight electronics co., ltd. http://www.everlight.com document no: dls-0000009 rev 4 december 7, 2010 12 surface-mount als-pdic15-21c/l230/tr8 ambient light sensor tape dimensions unit: mm tolerance: 0.1mm moisture resistant packaging aluminum moistue-proof bag label desiccant label label aluminum moisture-proof bag desiccant label
everlight electronics co., ltd. http://www.everlight.com document no: dls-0000009 rev 4 december 7, 2010 13 s urface-mount ambient light sensor als-pdic15-21c/l230/tr8 note: 1. above specification may be changed without notic e. everlight will reserve authority on material change for above s pecification. 2. when using this product, please observe the absolute maximum ra tings and the instructions for using outlined in these specification sheets. everlight assumes no responsibility for any damage resulting from use of the produc t which does not comply with the absolute maximum ratings and the instructions included in t hese specification sheets. 3. these specification sheets include materials protected under copyright of everlight corporation. please don?t reproduce or cause anyone to r eproduce them without everlight?s consent.

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