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lifecyclephase: revision : 4 expired period: forever release date:2013-06-04 08:06:19.0 1 copyright ? 2012, everlight all rights reserved. release date : 5.27.2013. issue no: dls-0000012 rev.4 www.everlight.com ambient light sensor surface - mount 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, -40 o c to 85 o c ? 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 description the als-pdic17-55c/tr8 is a low cost ambient light sensor, 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 ? 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
lifecyclephase: revision : 4 expired period: forever release date:2013-06-04 08:06:19.0 datasheet ambient light sensor surface - mount als-pdic17-55c/tr8 2 copyright ? 2012, everlight all rights reserved. release date : 5.27.2013. issue no: dls-0000012 rev.4 www.everlight.com package dimensions 1 2 3 4 2 1 4 3 1 2 3 4 notes: 1.all dimensions are in millimeters 2.tolerances unless dimensions 0.1mm
lifecyclephase: revision : 4 expired period: forever release date:2013-06-04 08:06:19.0 datasheet ambient light sensor surface - mount als-pdic17-55c/tr8 3 copyright ? 2012, everlight all rights reserved. release date : 5.27.2013. issue no: dls-0000012 rev.4 www.everlight.com absolute maximum ratings 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 c storage temperature range t stg -40 ~ +100 c soldering temperature range [note1] t sol 260 c 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 parameter symbol min. max. unit operating temperature t opr -40 +85 c supply voltage v cc 1.8 5.5 v
lifecyclephase: revision : 4 expired period: forever release date:2013-06-04 08:06:19.0 datasheet ambient light sensor surface - mount als-pdic17-55c/tr8 4 copyright ? 2012, everlight all rights reserved. release date : 5.27.2013. issue no: dls-0000012 rev.4 www.everlight.com electrical and optical characteristics (t a =25
) parameter symbol min. typ. max. unit test condition dark current i d -- -- 100 na v cc =3v e v = 0lux i ph2 27 -- 54 a v cc =3v; e v = 100lux [note1] i ph3 32.4 -- 70.2 a v cc =3v; e v = 100lux [note2] light current i ph4 270 -- 540 a v cc =3v; e v =1000lux [note1] [fig.2] photocurrent ratio i ph3 / i ph2 -- 1.2 -- -- -- peak sensitivity wavelength p -- 590 -- nm -- rise time t r -- 0.36 -- ms fall time t f -- 1.13 -- ms delay time t d -- 2.30 -- ms switching time storage time t s -- 0.69 -- 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.
lifecyclephase: revision : 4 expired period: forever release date:2013-06-04 08:06:19.0 datasheet ambient light sensor surface - mount als-pdic17-55c/tr8 5 copyright ? 2012, everlight all rights reserved. release date : 5.27.2013. issue no: dls-0000012 rev.4 www.everlight.com pdic 15 - 21c fig.1 block diagram fig.2 measurement method of light current fig.3 measurement method of saturation output voltage fig.4 switching time measurement method
lifecyclephase: revision : 4 expired period: forever release date:2013-06-04 08:06:19.0 datasheet ambient light sensor surface - mount als-pdic17-55c/tr8 6 copyright ? 2012, everlight all rights reserved. release date : 5.27.2013. issue no: dls-0000012 rev.4 www.everlight.com typical electrical and optical characteristics curves fig.5 light current vs. illuminance fig.6 dark current vs. temperature fig.7 light current vs. temperature fig.8 light current vs. supply voltage -60 -40 -20 0 20 40 60 80 100 0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0 v ce = 3v e v = 100 lux r e l a t i v e l i g h t c u r r e n t temperature ( )
fig.9 spectral response fig.10 output voltage vs. temperature -60 -40 -20 0 20 40 60 80 100 0.1 1 10 100 r l = 7.5k e v = 1000 lux o u t p u t v o l t a g e ( v ) temperature ( )

lifecyclephase: revision : 4 expired period: forever release date:2013-06-04 08:06:19.0 datasheet ambient light sensor surface - mount als-pdic17-55c/tr8 7 copyright ? 2012, everlight all rights reserved. release date : 5.27.2013. issue no: dls-0000012 rev.4 www.everlight.com 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 v out (saturation) ? v cc ? 0.8v 3. to avoid 60hz ripple from fluorescent lamps, we suggest that the time constant must be greater than 0.5 second: r l c l 0.5 (empirical data)
lifecyclephase: revision : 4 expired period: forever release date:2013-06-04 08:06:19.0 datasheet ambient light sensor surface - mount als-pdic17-55c/tr8 8 copyright ? 2012, everlight all rights reserved. release date : 5.27.2013. issue no: dls-0000012 rev.4 www.everlight.com recommended method of storage reflow terms: jedec level 3 specification 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
? storage humidity 60%rh max after more than 168 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.
lifecyclephase: revision : 4 expired period: forever release date:2013-06-04 08:06:19.0 datasheet ambient light sensor surface - mount als-pdic17-55c/tr8 9 copyright ? 2012, everlight all rights reserved. release date : 5.27.2013. issue no: dls-0000012 rev.4 www.everlight.com 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 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.
lifecyclephase: revision : 4 expired period: forever release date:2013-06-04 08:06:19.0 datasheet ambient light sensor surface - mount als-pdic17-55c/tr8 10 copyright ? 2012, everlight all rights reserved. release date : 5.27.2013. issue no: dls-0000012 rev.4 www.everlight.com packing quantity specification 3000 pcs/ 1 reel label format yyyyyy yyyyyy yyyyyyyyyyyy yyyy yyyyyyyy rohs reel dimensions unit: mm tolerance: 0.1mm
lifecyclephase: revision : 4 expired period: forever release date:2013-06-04 08:06:19.0 datasheet ambient light sensor surface - mount als-pdic17-55c/tr8 11 copyright ? 2012, everlight all rights reserved. release date : 5.27.2013. issue no: dls-0000012 rev.4 www.everlight.com tape dimensions moisture resistant packaging aluminum moistue-proof bag label desiccant label 1 vcc out 2 gnd 3 gnd 4 unit: mm tolerance: 0.1mm
lifecyclephase: revision : 4 expired period: forever release date:2013-06-04 08:06:19.0 datasheet ambient light sensor surface - mount als-pdic17-55c/tr8 12 copyright ? 2012, everlight all rights reserved. release date : 5.27.2013. issue no: dls-0000012 rev.4 www.everlight.com 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.

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