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mlx75303 optical switch sensoreyec 390107530301 page 1 of 12 data sheet rev. 001 feb/09 features high precision light switching level low temperature dependency ttl and cmos compatible operating temperatures: -20..85degc (consumer) or -40..125degc (automotive) supply voltage range 3v to 5.5v target 0 ppm defects; guarantee <10 ppm defects solder reflow 260degc, msl3 rohs compliant lead-free automotive version is aec-q100 qualified applications general ? contactless switch ? contactless position switch ? hand presence detection, e.g. for water taps ? range detection, e.g. staircase detection for robo t vacuum cleaners ? twilight sensor, e.g. for sun screens, roof window s ? security screens automotive ? steering angle measurement ? contactless switch for steering stocks ? headlights on/off sensor ? keyless car entry ? hand presence detection printers/copiers ? paper feed detection ? paper size and orientation detection ? toner cartridge presence detection versions part no. temperature code package code option code delivery form mlx75303 s -20c to 85c xd so8 open cavity tape on reel mlx75303 k -40c to 125c xd so8 open cavity tape on reel
mlx75303 optical switch sensoreyec 390107530301 page 2 of 12 data sheet rev. 001 feb/09 1 functional diagram 2 general description the melexis sensoreyec series are cmos integrated o ptical sensor ics including photodiode, transimpedance amplifier and output transistor on o ne chip. the mlx75303 features a schmitt trigger output and is designed for high-volume automotive and non- automotive applications. the mlx75303 block diagram is shown in section 1 an d contains following blocks: a transimpedance amplifier to convert and amplify the photocurrent o f the photodiode, a voltage reference, a schmitt tr igger and an open drain output stage.
mlx75303 optical switch sensoreyec 390107530301 page 3 of 12 data sheet rev. 001 feb/09 table of contents 1 functional diagram ................................ ................................................... ................. 2 2 general description ............................... ................................................... ................. 2 3 so8 pin definitions and descriptions .............. ................................................... ..... 4 4 absolute maximum ratings .......................... ................................................... ......... 4 5 mlx75303 specifications ........................... ................................................... ............ 5 6 timing diagrams ................................... ................................................... .................. 7 7 test diagrams ..................................... ................................................... ..................... 8 8 applications information .......................... ................................................... .............. 9 11 so8 open cavity package information ............... ................................................... 10 12 standard information regarding manufacturability of melexis products with different soldering processes ..................... ................................................... ......... 11 13 esd precautions ................................... ................................................... ................ 11 14 disclaimer ........................................ ................................................... ...................... 12
mlx75303 optical switch sensoreyec 390107530301 page 4 of 12 data sheet rev. 001 feb/09 3 so8 pin definitions and descriptions pin number pin name description type 1 vss ground connection ground 2 out active low (= light on) output open drain out put 3 vdd power supply supply 4 n.c. not connected floating 5..8 n.c. not connected floating 4 absolute maximum ratings valid for all mlx75303 versions. all voltages are r eferenced to vss. symbol rating value unit vdd supply voltage, v dd (over voltage) -0.3 to 7 v v out dc output voltage -0.3 to vdd+0.3v v i out dc output current, per pin 20 ma t stg storage temperature range, t s -40 to 125 c v esd-hbm esd sensitivity (human body model according to cdf-aec-q100) 4 kv v esd-mm esd sensitivity (machine model accord- ing to cdf-aec-q100) 200 v exceeding the absolute maximum ratings may cause pe rmanent damage. exposure to absolute-maximum- rated conditions for extended periods may affect de vice reliability.
mlx75303 optical switch sensoreyec 390107530301 page 5 of 12 data sheet rev. 001 feb/09 5 mlx75303 specifications all voltages are referenced to vss. symbol parameter conditions min typ max units test 1 vdd supply voltage 3 5.5 v v idd static power supply current at vdd=5.5v, unloaded output 2.5 ma v e eon irradiance for threshold ?on? vdd=5v, =850nm, t amb =25?c -20% 105 +20% w/cm 2 v e eoff /e eon hysteresis vdd=5v, =850nm, t amb =-40 .. 85?c t amb =85 ..125?c 60 60 80 90 % % v v tc temperature coefficient of thresh- old ?on? vdd=5v, =850nm -0.44 %/k x e emax maximum irradiance vdd=5v, =850nm, t amb =25?c 15x e eon_max 1000x e eon_max w/cm 2 w/cm 2 v x 0.3 spectral bandwidth t amb =25?c 500 1000 nm x v ol output voltage low vdd=5.5v, e e >e on, i ol =16ma 0 0.4 v v v oh output voltage high vdd=5.5v, e e =0 vdd+0.3 v x i oh high level output current vdd=5.5v, e e =0 0 1 a v t setup electrical setup-time r l =1kohm, c l =2nf, = 850nm 0 24 s v s pd area of photodiode 0.36 mm 2 d t f fall time (a), e e =e eon_max 0 300 ns x t on turn-on time (a), e e =e eon_max 0 10 20 s v t off turn-off time (a), e e =30x e eon_max 0 10 20 s v t p light pulse duration (a) 20 s v t g light pulse rejection (a) 2 s x t a operating temperature range temperature code s temperature code e temperature code k -20 -40 -40 85 85 125 c c c v v v (a) vdd=5v, r l =1kohm, c l =2nf, = 850nm 1 the column test indicates if the specific parameter is tested in p roduction. following symbols are used: v: the specific parameter is tested in production x: the specific parameter is verified in character isation, but is not tested in production (e.g. timi ngs and capacitances) d: the specific parameter is guaranteed by design and is not tested as such in production
mlx75303 optical switch sensoreyec 390107530301 page 6 of 12 data sheet rev. 001 feb/09 typical t on and t off values for light intensities up to 1000x e on (at 25degc) mlx75303 t_on @ 5v 0 5 10 15 20 1 10 100 1000 light intensity (x eon) t_on (s) mlx75303 t_off @ 5v 0 5 10 15 20 1 10 100 1000 light intensity (x eon) t_off (s) typical eon/eoff (hysteresis) value over temperatur e e_on/e_off (hysteresis) @ 5v 0 20 40 60 80 100 -40 -20 0 20 40 60 80 100 120 140 temperature (degc) hysteresis (%)
mlx75303 optical switch sensoreyec 390107530301 page 7 of 12 data sheet rev. 001 feb/09 spectral responsivity curve typical photodiode spectral response curve (%), wit hout anti reflection coating* *there is also an option for an anti reflection coating . this will remove the interference ripples in the figure above. with this special anti reflection coating, the sensitivity curve in function of wavelength will be somewhat lower (typi cally 4%) but will no longer display interference ripples. 6 timing diagrams definition of the switch-on and switch-off threshol ds definition of the switch-on and switch-off delays light wavelength in nm
mlx75303 optical switch sensoreyec 390107530301 page 8 of 12 data sheet rev. 001 feb/09 definition of the power-on delay definition of the light pulse duration 7 test diagrams measurement and trimming of e eon , e eoff and hysteresis:
mlx75303 optical switch sensoreyec 390107530301 page 9 of 12 data sheet rev. 001 feb/09 functional check of e eon and e eoff thresholds and timing measurements (go-nogo tests) : 8 applications information a typical connection diagram is shown in the figure below. a load resistor r l is needed to get a voltage level out. the load capacitance c l is typically formed by the input capacitance of th e component that is connected to the sensor output, the wiring capacitance and th e output capacitance of the sensor itself. decoupling capacitors between vdd and vss (1uf in parallel with 100nf) are highly recommende d in all configurations. recommendation: every change in the application sho uld be agreed by both parties.
mlx75303 optical switch sensoreyec 390107530301 page 10 of 12 data sheet rev. 001 feb/09 9 so8 open cavity package information so8 open cavity package, msl3, 260?c soldering prof ile. lead free component.
mlx75303 optical switch sensoreyec 390107530301 page 11 of 12 data sheet rev. 001 feb/09 10 standard information regarding manufacturability of melexis products with different soldering processes our products are classified and qualified regarding soldering technology, solderability and moisture s ensitiv- ity level according to following test methods: reflow soldering smd?s (s urface m ount d evices) ? ipc/jedec j-std-020 moisture/reflow sensitivity classification for non hermetic solid state surface mount devices (classification reflow profiles according to table 5-2) ? eia/jedec jesd22-a113 preconditioning of nonhermetic surface mount devic es prior to reliability testing (reflow profiles according to table 2) wave soldering smd?s (s urface m ount d evices) ? en60749-20 resistance of plastic- encapsulated smd?s to combi ned effect of moisture and soldering heat solderability smd?s (s urface m ount d evices) ? eia/jedec jesd22-b102 and en60749-21 solderability for all soldering technologies deviating from above mentioned standard conditions (regarding peak temp era- ture, temperature gradient, temperature profile etc ) additional classification and qualification tests have to be agreed upon with melexis. the application of wave soldering for smd?s is allo wed only after consulting melexis regarding assuran ce of adhesive strength between device and board. melexis is contributing to global environmental con servation by promoting lead free solutions. for more information on qualifications of rohs compliant products (rohs = european directive on t he restriction of the use of certain hazardous substances) please vis it the quality page on our website: http://www.melexis.com/quality.asp 11 esd precautions electronic semiconductor products are sensitive to electro static discharge (esd). always observe electro static discharge control pro cedures whenever handling semiconductor products.
mlx75303 optical switch sensoreyec 390107530301 page 12 of 12 data sheet rev. 001 feb/09 12 disclaimer devices sold by melexis are covered by the warranty and patent indemnification provisions appearing in its term of sale. melexis makes no warranty, express, s tatutory, implied, or by description regarding the infor- mation set forth herein or regarding the freedom of the described devices from patent infringement. me lexis reserves the right to change specifications and pri ces at any time and without notice. therefore, prio r to de- signing this product into a system, it is necessary to check with melexis for current information. thi s product is intended for use in normal commercial applicatio ns. applications requiring extended temperature ran ge, unusual environmental requirements, or high reliabi lity applications, such as military, medical life-s upport or life-sustaining equipment are specifically not reco mmended without additional processing by melexis fo r each application. the information furnished by melexis is believed to be correct and accurate. however, melexis shall no t be liable to recipient or any third party for any dama ges, including but not limited to personal injury, property damage, loss of profits, loss of use, interrupt of business or indirect, special incidental or consequ ential damages, of any kind, in connection with or arising out of the furnishing, performance or use of the t echnical data herein. no obligation or liability to recipien t or any third party shall arise or flow out of mel exis? rendering of technical or other services. ? 2005 melexis nv. all rights reserved. for additional information contact melexis direct: europe, africa, asia: america: phone: +32 1367 0495 phone: +1 603 223 2362 e-mail: sales_europe@melexis.com e-mail: sales_usa @melexis.com iso/ts 16949 and iso14001 certified

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