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mlx91204 360 degrees hi-speed rotary position sensor (sine/cosine) 3901091204 page 1 of 11 data sheet rev 003 16/jan/12 features and benefits absoluterotarypositionsensoric tria ? is?halltechnology hispeedoperation sine/cosineoutputs simple&robustmagneticdesign excellentthermalstability verylowhysteresis soic8package(rohs) applications absoluterotarypositionsensor bldcmotorpositionsensor(forcommutation) contactlesspotentiometers contactlessencoder ordering code part no. temperature code package code option code pack ing form mlx91204 k dc aba-001 re mlx91204 k dc aba-002 re mlx91204 k dc aba-003 re mlx91204 k dc aba-001 tu mlx91204 k dc aba-002 tu mlx91204 k dc aba-003 tu legend : temperature code: k for temperature range -40c to 125c package code: dc for soic-8 package option code: magnetic sensitivity - see section 7: parameter sensitivity=> test conditions; parameter full scale magnetic field range=> test co nditions packing form: re for reel tu for tube ordering example: mlx91204kdc-aba-001-re
mlx91204 360 degrees hi-speed rotary position sensor (sine/cosine) 3901091204 page 2 of 11 data sheet rev 003 16/jan/12 1 functional diagram 2 general description the tria ? is? rotary position sensor mlx91204 detects the absolute angular position of a small magnet that is positioned above the device surface. themlx91204reportstwoanalog,linear, orthogonal(quadrature)andratiometric outputvoltagesproportionaltotheapplied magneticfluxdensityparalleltothechip surface(thankstotheintegratedmagneto concentratorCimc?Caddedonthetopof thesensitivehallelements). themlx91204isideallysuitedforhispeed rotarypositionsensinginharshautomotive andindustrialenvironments. theangularpositioniscomputedoffchip frombothsineandcosinesignals. co_out biasing unit offset cancellation offset cancellation modulator vx vy amplifier demodulator buffer & filter x buffer & filter y calibration unit pv pc pd x_out y_out gnd vdd tria is ?
mlx91204 360 degrees hi-speed rotary position sensor (sine/cosine) 3901091204 page 3 of 11 data sheet rev 003 16/jan/12 table of contents 1 functionaldiagram .................................................. ................................................... ................................................... ................... 2 2 generaldescription .................................................. ................................................... ................................................... ................... 2 3 glossaryofterms .................................................. ................................................... ................................................... ...................... 4 4 absolutemaximumratings .................................................. ................................................... ................................................... ...... 4 5 pinoutandfunction .................................................. ................................................... ................................................... ................... 4 6 mlx91204generalelectricalspecification .................................................. ................................................... ............................... 5 7 mlx91204sensorspecification .................................................. ................................................... ................................................. 5 8 applicationdiagram .................................................. ................................................... ................................................... .................. 7 8.1 singleendedmode .................................................. ................................................... ................................................... ............. 7 8.2 differentialmode .................................................. ................................................... ................................................... ................ 7 9 standardinformationregardingmanufacturabilityo fmelexisproductswithdifferentsolderingprocess es ...................... 8 10 esdprecautions .................................................. ................................................... ................................................... ....................... 9 11 packageinformation .................................................. ................................................... ................................................... ............... 9 11.1 packagedimensions .................................................. ................................................... ................................................... ........ 9 11.2 pinoutandmarking .................................................. ................................................... ................................................... ........ 10 11.3 hallplatepositioning .................................................. ................................................... ................................................... ...... 10 12 disclaimer ........................................ ................................................... ................................................... ................................... 11
mlx91204 360 degrees hi-speed rotary position sensor (sine/cosine) 3901091204 page 4 of 11 data sheet rev 003 16/jan/12 3 glossary of terms ? gauss(g),tesla(t):magneticfluxdensityunitsw here1mt=10g. ? tria is ? :thistechnologyreferstothemelexishalltechno logywhichallowstherealization of hall effect sensors able to sense the flux densi ty along the 3 axis (i.e. x, y & z). in particular, it enables the realization of position sensors able to sense the magnetic flux densityparalleltotheicsurfaceandconsequently themagneticvectorover360degrees. ? imc: integrated magneto concentrator. it concentrat es the magnetic flux lines and bends themattheextremityundertheplanarhallplates. furthermore,itprovidessomemagnetic gainfactor. 4 absolute maximum ratings parameter. units supplyvoltage,v dd (overvoltage) +6v reversevoltageprotection 0.5v operatingtemperaturerange ta 40to+125deg.c. storagetemperaturerange,ts 40to+150deg.c. exceeding the absolute maximum ratings may cause pe rmanent damage. exposure to absolutemaximumratedconditionsforextendedperi odsmayaffectdevicereliability. 5 pinout and function pin # pin name function 1 co_ out outputcommon(v dd /2) 2 pc factoryprogrammingpin.connecttov dd 3 v dd supplyvoltage(+) 4 y_ out analogoutputy 5 x_ out analogoutputx 6 pd factoryprogrammingpin.connecttog nd 7 pv factoryprogrammingpin.connecttov dd 8 g nd ground
mlx91204 360 degrees hi-speed rotary position sensor (sine/cosine) 3901091204 page 5 of 11 data sheet rev 003 16/jan/12 6 mlx91204 general electrical specification dc operating parameters t a = 40 deg.c. to +125 deg.c., v dd = 5.0 v (unless otherwise specified) parameter symbol testconditions min typ max units nominalsupplyvoltage v dd 4.5 5 5.5 v supplycurrent i dd i out =0ma 16.5 19 ma commonoutput co_ out referringtov dd /2,unloaded 2 0 2 %v dd outputcurrentco_ out and x_ out andy_ out i out dropistypically80mv/ma 1 1 ma outputloadresistance r l 5 k outputloadcapacitance c l 1000 pf start upcycle t startup 150 200 s 7 mlx91204 sensor specification dc operating parameters t a = 40 deg.c. to 125 deg.c., v dd = 5.0 v, differential output (unlessotherwisespecified) parameter symbol testconditions min typ max units offsetvoltage v oq t a =25deg.c.Cb=0mt x_ out &y_ out 10 0 10 mv offsettemperaturedrift v oq /t b=0mtCx_ out &y_ out (1) 0.10 0 +0.10 mv/deg.c. sensitivity s t=25deg.c. optioncode:aba001 16 25 34 v/t t=25deg.c. optioncode:aba002 32 50 68 v/t t=25deg.c. optioncode:aba003 64 100 136 v/t sensitivitytemperature drift s/[st] (1) 0.08 0.05 0.01 %/deg.c. sensitivitymismatch s xy s xy =s x /s y 3 0 3 % sensitivitymismatch temperaturedrift (s xy )/t (1) 0.012 0 0.012 %/deg.c. phasemismatch s x s y 1 0 1 degree hysteresis h yst (1) 20 8 20 t fullscalemagneticfield range( 2voutput swing) b fs optioncode:aba001 58.8 mt optioncode:aba002 29.4 mt optioncode:aba003 14.7 mt max.outputvoltage swing v outmax b>b fs Cx_ out &y_ out i out =0ma 0.25 4.75 v angularspeed 2polesmagnet 100k rpm bandwidth(3db)dcto bw r l >1mCc l <10pf 15 khz spectralnoisedensity b noise 750 nt/hz ? (1)characterized
mlx91204 360 degrees hi-speed rotary position sensor (sine/cosine) 3901091204 page 6 of 11 data sheet rev 003 16/jan/12 from the previous table and the ageing data, the in trinsic angular linearity error (in degree) canbederivedfromtheindividualcontributionsas itfollows: testconditions parameters outputswing unit 1v 2v roomtemperature (t a =25deg.c.) offset 0.8 0.4 degree sensitivitymismatch 0.84 0.84 degree phasemismatch 1 1 degree total 2.64 2.24 degree temperaturerange (t a =40125deg.c.) offset 0.8 0.4 degree sensitivitymismatch 0.34 0.34 degree phasemismatch 0.12 0.12 degree total 1.26 0.86 degree lifetime/ageing (htol1000hoursC5.0vC 150deg.c.) offset 0.8 0.4 degree sensitivitymismatch 0.1 0.1 degree phasemismatch 0.1 0.1 degree total 1.00 0.60 degree overall linearity error excl. ageing 3.90 3.10 degree incl. ageing 4.90 3.70 degree the intrinsic linearity error refers only to the li nearity error associated to the mlx91204. the linearity errorassociatedtothemagneticandmech anical (offaxis, excentricity)design is not includedandshouldbeconsideredasanadditional contribution. formoreinformation,pleaserefertotheapplicati onnote: http://www.melexis.com/assets/magnet_application_no te_mlx90316_5221.aspx the total error can be reduced either statically (r oom temperature compensation) or dynamically (continuous compensation) through the o ffchip signal processing performing the angularcomputationi.e.arctan(y_ out /x_ out ).thecompensationisappliedpriortocomputing thearctangentfunction:offset,gainandphasecor rectioncanbeapplied. formoreinformation,pleaserefertotheapplicati onnote: http://www.melexis.com/assets/frontend_calibration _of_mlx90316_5252.aspx
mlx91204 360 degrees hi-speed rotary position sensor (sine/cosine) 3901091204 page 7 of 11 data sheet rev 003 16/jan/12 8 application diagram 8.1 single ended mode theoutputvoltagesx=(x_ out Cg nd )andy=(y_ out Cg nd )arewithin0.5vto4.5vwithan offsetof2.5v(v dd /2) forreliableoperationwithinthespecificationsth esensormustbeconnectedasfollows: * if the supply voltage is disturbed by emi it can be useful to place a second capacitor (100 pf ceramic) parallel to the 100nf capacitor. 8.2 differential mode theoutputvoltagesx=(x_ out Cco_ out )andy=(y_ out Cco_ out )arewithin2varound virtualground(i.e.co_ out =2.5v=v dd /2) forreliableoperationwithinthespecificationsth esensormustbeconnectedasfollows: * if the supply voltage is disturbed by emi it can be useful to place a second capacitor (100pf ceramic) parallel to the 100 nf capacitor. mlx91204 vdd pc pv pd x_out +5v 100 nf* 1 nf 3 7 2 y_out co_out gnd gnd gnd gnd 6 8 1 54 gnd 1 nf 1 nf gnd gnd uc ch1 ch2 a d mlx91204 vdd pc pv pd x_out +5v 100 nf* 1 nf 3 7 2 y_out co_out gnd gnd gnd gnd 6 8 1 5 4 gnd 1 nf 1 nf gnd gnd uc ch1+ ch2+ ch1- a d ch2-
mlx91204 360 degrees hi-speed rotary position sensor (sine/cosine) 3901091204 page 8 of 11 data sheet rev 003 16/jan/12 9 standard information regarding manufacturability of melexis products with different soldering processes our products are classified and qualified regarding soldering technology, solderability and moisture s ensitivity level according to following test methods: reflow soldering smd?s (surface mount devices) ipc/jedec j-std-020 moisture/reflow sensitivity classification for nonh ermetic solid state surface mount devices (classification reflow profiles according to table 5-2) eia/jedec jesd22-a113 preconditioning of nonhermetic surface mount device s prior to reliability testing (reflow profiles according to table 2) melexis working instruction 341901308 wave soldering smd?s (surface mount devices) and th d?s (through hole devices) ? en60749-20 resistance of plastic- encapsulated smd?s to combin ed effect of moisture and soldering heat ? eia/jedec jesd22-b106 and en60749-15 resistance to soldering temperature for through-hol e mounted devices ? melexis working instruction 341901309 iron soldering thd?s (through hole devices) ? en60749-15 resistance to soldering temperature for through-hol e mounted devices ? melexis working instruction 341901309 solderability smd?s (surface mount devices) and thd ?s (through hole devices) ? eia/jedec jesd22-b102 and en60749-21 solderability ? melexis working instruction 3304312 for all soldering technologies deviating from above mentioned standard conditions (regarding peak temperature, temperature gradient, temperature prof ile etc) additional classification and qualificatio n 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. for more information on the lead free topic please see quality page at our website: http://www.melexis.com/quality.aspx
mlx91204 360 degrees hi-speed rotary position sensor (sine/cosine) 3901091204 page 9 of 11 data sheet rev 003 16/jan/12 10 esd precautions electronicsemiconductorproductsaresensitiveto electrostaticdischarge(esd). always observe electro static dischargecontrol proc edures whenever handling semiconductor products. 11 package information 11.1 package dimensions 0.19 0.25 notes: all dimensions are in millimeters (anlges in degree s). * dimension does not include mold flash, protrusion s or gate burrs (shall not exceed 0.15 per side). ** dimension does not include interleads flash or p rotrusion (shall not exceed 0.25 per side). *** dimension does not include dambar protrusion. allowable dambar protrusion shall be 0.08 mm total in excess of the dimension at maximum material conditi on. dambar cannot be located on the lower radius of the foot. 5.84 6.20** 1.27 typ 4.80 4.98* 1.55 1.73 0.127 0.250 1.40 1.55 0.35 0.49*** 3.81 3.99** 0 8 0.41 0.89
mlx91204 360 degrees hi-speed rotary position sensor (sine/cosine) 3901091204 page 10 of 11 data sheet rev 003 16/jan/12 11.2 pinout and marking 11.3 hall plate positioning 1.85 2.15 1.96 2.26 0.41 +/- 0.05
mlx91204 360 degrees hi-speed rotary position sensor (sine/cosine) 3901091204 page 11 of 11 data sheet rev 003 16/jan/12 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 information set forth herein or regarding the freed om of the described devices from patent infringemen t. melexis reserves the right to change specifications and prices at any time and without notice. therefo re, prior to designing this product into a system, it is nece ssary to check with melexis for current information . this product is intended for use in normal commercial ap plications. applications requiring extended tempera ture range, unusual environmental requirements, or high reliability applications, such as military, medical life- support or life-sustaining equipment are specifical ly not recommended without additional processing by melexis for 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. ? 2012 melexis nv. all rights reserved. for the latest version of this document, go to our website at www.melexis.com or for additional information contact melexis direc t: europe, africa, asia: america: phone: +32 1367 0495 phone: +1 248 306 5400 e-mail: sales_europe@melexis.com e-mail: sales_usa @melexis.com iso/ts 16949 and iso14001 certified

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