everlight electronics co., ltd. http://www.everlight.com document no: dls-00000xx rev1 jun.02, 2011 1 3mm t-1 ambient light sensor als-pdt144-6c/l451 features ? light to current, analog output ? good output linearity across wide illumination rang e ? operation temperature performance, -30 o c to 85 o c ? wide supply voltage range, 3v to 24v ? high efficiency light current output ? lower dark current 0.1ua ? lower cost ? size : 3mm lamp (flat lens) ? rohs compliant and pb free package description the als-pdt243-3c/l451 is an ambient light sensor u sing a photo transistor in a dip package. it is used to replace traditional cds sensors, since cadmium is no longer allowed by rohs. applications ? detection of ambient light to control electrical un it lighting devices C road lamp, night lamp consumer device C lcd tv, toys, gaming
everlight electronics co., ltd. http://www.everlight.com document no: dls-00000xx rev1 jun.02, 2011 2 3mm t-1 ambient light sensor als-pdt144-6c/l451 package dimensions notes: 1. all dimensions are in millimeters 2. tolerances unless dimensions 0.1mm
everlight electronics co., ltd. http://www.everlight.com document no: dls-00000xx rev1 jun.02, 2011 3 3mm t-1 ambient light sensor als-pdt144-6c/l451 absolute maximum ratings (ta=25 ) parameter symbol rating unit operating temperature range t opr -30~85 c storage temperature range t stg -30~100 +100 c collector-emitter breakdown voltage v (br)ceo 60 v emitter-collector breakdown voltage v (br)eco 8 v supply voltage v cc 2~24 v soldering temperature range t sol 260 recommended operating conditions (ta=25 ) parameter symbol min. max. unit operating temperature t opr -30 +85 c supply voltage v cc 3 24 v
everlight electronics co., ltd. http://www.everlight.com document no: dls-00000xx rev1 jun.02, 2011 4 3mm t-1 ambient light sensor als-pdt144-6c/l451 electrical and optical characteristics (ta=25 ) parameter symbol min. typ. max. unit test condition collector Cemitter breakdown voltage bv ceo --- 60 --- v iceo=500ua dark current i ceo --- --- 0.1 ua v ce =20v, e v = 0lux collector-emitter saturation voltage v ce(sat) --- --- 1 v i c =50ma, e v = 1000lux light current i ph1 20 --- 60 a v ce =5v, e v = 10lux [note1] i ph2 0.28 --- 0.7 ma v ce =5v, e v = 100lux [note1] i ph3 --- 6 --- ma v ce =5v, e v = 100lux [note2] saturation output voltage v o --- 4.7 --- v v ce =5v, e v = 1000lux r l =2k [note2] peak sensitivity wavelength p --- 790 --- nm sensitivity wavelength range 400 --- 1020 nm angle of half sensitivity 2 1/2 --- 110 --- deg. notice: 1. white fluorescent light (color temperature = 650 0k) 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. http://www.everlight.com document no: dls-00000xx rev1 jun.02, 2011 5 3mm t-1 ambient light sensor als-pdt144-6c/l451 recommend application circuit (als) measurement light current measurement voltage output recommend application circuit (cds) for cds circuit
everlight electronics co., ltd. http://www.everlight.com document no: dls-00000xx rev1 jun.02, 2011 6 3mm t-1 ambient light sensor als-pdt144-6c/l451 electrical and optical characteristics fig.1 light current vs. illuminance fig.2 dark curre nt vs. temperature fig.3 light current vs. temperature fig.4 light curren t vs. supply voltage fig.5 spectral response fig.6 voltage output vs. illuminance
everlight electronics co., ltd. http://www.everlight.com document no: dls-00000xx rev1 jun.02, 2011 7 3mm t-1 ambient light sensor als-pdt144-6c/l451 fig.7 relative intensity vs. angle displacement packing quantity specification 1. 500pcs/1bag 5bags/1box 2. 10boxes/1carton label format cpn: customers production number p/n : production number qty: packing quantity cat: ranks hue: peak wavelength ref: reference lot no: lot number
everlight electronics co., ltd. http://www.everlight.com document no: dls-00000xx rev1 jun.02, 2011 8 3mm t-1 ambient light sensor als-pdt144-6c/l451 notes 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 absolut e maximum ratings and the instructions for using outlined in these specificat ion sheets. everlight assumes no responsibility for any damage resulting from use of the product which does not comply with the absolute maximum ratings and instructions inclu ded in these specification sheets. 3. these specification sheets include materials protec ted under copyright of everlight corporation. please dont reproduce or cause anyone to reproduce them without everlights consent.
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