mlx90242 linear hall effect sensor 3901090242 page 1 of 7 data sheet rev. 024 mar /04 features and benefit s small plastic package (sot - 23 , 4 - sip - va, to - 92 ) quad switched hall plate / chopper stabilized a mplifier ratiometric output for a/d interface low quiescent voltage t hermal drift applications linear position sensing rotary position sens ing current sensing ordering information part no. sensitivity voq tc temp. range package nb pins mlx90242lua - cc03 40 mv/mt ( 500g) 2.50 v 700 ppm/c - 40c to 150c ua 3 mlx90242lva - cc03 40 mv/mt ( 500g) 2.50 v 700 ppm/c - 40c to 150c va 4 mlx90242eso - b c03 15 mv/mt ( 1300g) 2.50 v - - 40c to 85c so 3 mlx90242eso - cc03 40 mv/mt ( 500g) 2.50 v - - 40c to 85c so 3 1. functional diagram chopper v dd output package pin1 pin2 pin 3 pin4 slope sot23 v dd out v ss positive ua v dd v ss out negative v a v dd n/c v ss out positive 2. description the mlx90242 is a cmos linear hall effect sensor ic . it possesses active error correction circuitry which virtually eliminates the offset errors normally associated with analog hall effect devices. the ratiometr ic output voltage is proportional to the supply voltage. when using the supply voltage as a reference for an a/d converter, fluctuations of + 10% in supply voltage will not affect accuracy. for a positive slope, the voltage at the output will increase as a south magnetic field is applied to the branded face of the mlx90242. conversely, the voltage output will decrease in the presence of a north magnetic field. for a negative slope, the voltage at the output will increase as a north magnetic field is applied to the branded face of the mlx90242. conversely, the voltage output will decrease in the presence of a south magnetic field.
mlx90242 linear hall effect sensor 3901090242 page 2 of 7 data sheet rev. 024 mar /04 table of contents features and benefit s ................................ ................................ ................................ .............. 1 applications ................................ ................................ ................................ ................................ . 1 ordering information ................................ ................................ ................................ ............... 1 1. functional diagram ................................ ................................ ................................ ......... 1 - 1 2. description ................................ ................................ ................................ ......................... 2 - 1 3. glossary of terms ................................ ................................ ................................ .............. 3 4. absolute maximum rat ings ................................ ................................ ............................... 3 5. mlx90242 electrical specifications ................................ ................................ ................ 4 6. mlx90242 magnetic sp ecifications ................................ ................................ ................... 4 7. applications informa tion ................................ ................................ ................................ .. 5 8. installation comment s ................................ ................................ ................................ ...... 5 9. reliability informat ion ................................ ................................ ................................ ...... 5 10. esd precautions ................................ ................................ ................................ ................... 6 11. package information ................................ ................................ ................................ .......... 6
mlx90242 linear hall effect sensor 3901090242 page 3 of 7 data sheet rev. 024 mar /04 3. glossary of terms - gauss , tesla: two units to quantify a magnetic flux dens ity. conversion: 1 mt = 10 gauss - voq: quiescent output voltage. output voltage for b = 0. 4. absolute maximum ratings supply voltage (over voltage), v dd 7 .0 v output current short to vdd 5 ma output current short to vss 0.5 ma output pin short to vss pin infinite output over voltage 8 v operating temperature range, t a - 40c to 150c storage temperature range, t s - 55c to 150c maximun junction temp, t j 1 70 c magnetic flux density infinite exceeding the absolute maximum ratings may cause perman ent damage. exposure to absolute - maximum - rated conditions for extended periods may affect device reliability.
mlx90242 linear hall effect sensor 3901090242 page 4 of 7 data sheet rev. 024 mar /04 5. mlx90242 electrical specifications dc operating parameters. l : t a = - 40 to 150c, e : t a = - 40 to 85c v dd = 5.0v (unless otherwise specified) parameter symbol test conditions min typ max units supply voltage v dd operating 4.5 5.0 5.5 v supply current i dd b = 0, v dd = 5v, i out = 0 1.8 2 .5 4 .5 ma output current i out v dd = 5v pull - up = 5 k o , pull - down = 50 k o - 1.0 - 0.1 ma quiescent output voltage v oq b = 0, ta = 25c 2.4 2.5 2.6 v output voltage v oh v dd = 5v, i out = - 1.0 ma 4. 75 v output voltage v ol v dd = 5v, i out = 0.1 ma 0. 25 v response time t r vdd=5v,vout from voq to v oh /v o l without load 400 800 s noise (rms) 5 10 mv output resistance r out 20 w linearity error le 0.5 % vdd 6. mlx90242 magnetic specifications l: t a = - 40 to 150c, e: t a = - 40 to 85c v dd = 5.0v (unless otherwise specified) parameter symbol ml x90242lua - cc03 mlx90242lva - cc03 mlx90242eso - bc03 mlx90242eso - cc03 min typ max min typ max min typ max min typ max thermal voq drift (1) (mv) d t v oq - 25 25 - 25 25 +/ - 25 (2 ) +/ - 25 (2 ) sensitivity , t a = 25 c (mv/mt) s 33.2 39.0 44.9 35.3 41.5 47.7 1 1 .5 15 17.3 33.2 39.0 44.9 tc of sensitivity (ppm/c) tc s 430 680 930 430 680 930 680 (2 ) 680 (2 ) (1) b = 0, ta = - 40 to 150 c ( 2 ) for eso package, tc of sensitivity and thermal voq drift are not fully tested and therefore cannot be specified. charac terization and statistic data can be provided by melexis upon request.
mlx90242 linear hall effect sensor 3901090242 page 5 of 7 data sheet rev. 024 mar /04 7. applications information c1 and c2 values can be trimmed to satisfied emc requirements according to the environment (pcb, connectors,...). the output rise time is affected for larg e capacitor c2, depending of the couple r1;c2. 8. installation comments 1.) avoid mechanical stress on leads or package. stress may cause v oq shift. a.) avoid bending leads at the package interface. b.) support the leads by clamping, when bending. c.) avoid gluing device to another material. this may cause temperature - related stress. 2.) cmos products are stat ic sensitive devices, please observe esd precautions. 3.) observe temperature limits during soldering recommended wiring c1 = 10nf c2 = 2.5nf mlx 90242 1 2 3 v out v dd r1 = 10 k 9. re liability information melexis devices are classified and qualified regarding suitability for infrared, vapor phase and wave soldering with usual (63/37 snpb - ) solder (melting point at 183degc). the following test methods are applied: ipc/jedec j - std - 020a (issue april 1999) moisture/reflow sensitivity classification for nonhermetic solid state surface mount devices cecc00802 (issue 1994) standard method for the specification of surface mounting components (smds) of assessed quality mil 883 method 2003 / jed ec - std - 22 test method b102 solderability for all soldering technologies deviating from above mentioned standard conditions (regarding peak temperature, temperature gradient, temperature profile etc) additional classification and qualification tests have t o be agreed upon with melexis. for process using through hole components, a temperature profile of 235 deg.c during 30 seconds maximum is tolerated. the application of wave soldering for smd?s is allowed only after consulting melexis regarding assurance of adhesive strength between device and board . please contact mlx for ua part used as smd device. for more information on manufacturability/solderability see quality page at our website: http://www.melexis.com/
mlx90242 linear hall effect sensor 3901090242 page 6 of 7 data sheet rev. 024 mar /04 10. es d precautions electronic semiconductor products are sensitive to electro static discharge (esd). always observe electro static discharge control procedures whenever handling semiconductor products. 11. package information 42ga 2053 1 2 3 * all dimensions in millimeters 1.95 +/- 0.15 0.45 0.41 marked surface 1.52+/-0.15 ua hall plate / chip location 1.60 1.40 45 o typical 4.30 3.90 2.64 2.34 0.84 0.63 3.20 2.80 1.75 1.55 0.48 0.43 0.20 0.00 0.41 0.35 1.30 1.24 2.57 2.51 0.38 typical (see note 3) 15.0 14.0 0.41 0.35 ua package dimensions * marking: line 1: 1st and 2nd digits (42) = part number mlx90242 3rd and 4th digits (ga) = version number line 2: 1st digit (2) = year (2002) 2nd and 3rd digits(05) = week of year 4th digit (3) = last lotnumber digit pinout: p in 1 v dd pin 2 gnd (vss) pin 3 output notes: 1.) controlling dimension: mm 2.) leads must be free of flash and plating voids 3.) leads must not arc toward the rear of package 4.) package dimensions exclude molding flash 5.) tolerance is 0.254mm unless otherwise specified hall plate dimension: 0.150x0.150 max 5 o max 5 o typ 5 o 0.7 max * marking: 1&2 digits (42) = part number (902 42) 3,4&5 dgits(951) =last lotnumber digits 42951 1.30 1.00 0.10 0.00 3.10 2.70 3.00 2.60 0.50 0.35 1.80 1.50 chip 0.66 0.56 0.20 min 0.25 0.10 2.10 1.70 0.90 0.70 * sot-23 hall plate / chip location sot-23 package dimensions notes: 1.) controlling dimension: mm 2.) lead thickness after solder plating will be 0.254 mm maximum 3.) package dimensions exclude molding flash 4.) the end flash shall not exceed 0.127 mm on each side of package 5.) tolerance is 0.254mm unless otherwise specified pinout: p in 1 v dd pin 2 outpout pin 3 gnd bottom view of package 0.80 +/- 0.15 0 +/- 0.15 mlx90242 1 2 3 2 3 1
mlx90242 linear hall effect sensor 3901090242 page 7 of 7 data sheet rev. 024 mar /04 all dimensions in millimeters va hall plate / chip location va package dimensions notes: 1. pinout: p in 1 v dd pin 2 n/c pin 3 gnd pin 4 output 2. controlling dimension: mm . 3. leads must be free of flash and plating voids. 4. leads must not arc toward the rear of package. 5. package dimensions exclude molding flash. 6. tolerance: +/- 0.254 mm unless otherwise specified. 9 . *marking: line 1: 1st three digits (242) = part number 4th and 5th digits (ga) = revision number line 2: 7 digits =lot number back side marking =lot number yyww =datecode hall plate 0.15 x 0.15 0.387 0.289 marked surface e 3.46 3.30 a b c 5 o (2x) 5 o (2x) 0.387 0.289 3.79 3.63 d f g h 1.0 max 0.22 ref 0.45 0.35 4.50 4.10 45 o x 1mm 15.50 14.50 242ga xxxxxxx * 1 2 3 4 5.08 5.24 5.33 5.43 1.22 1.32 3.76 3.86 j va 1.20 1.10 0.66 0.61 0.29 0.24 45 o 0.31 0.18 b a c d e 0.15 0.0 f g h 0.60 0.40 0.35 0.25 j 45 o reference (0,0) mlx 90242 2.40 +/- 0.15 1.88 +/- 0.15 go to our website at www.melexis.com or for additional information contact melexis direct: europe and japan: all other locations: phone: +32 13 67 0495 phone: +1 603 223 2362 e - mail: s ales_europe@melexis.com e - mail: sales_usa@melexis.com qs9000, vda6.1 and iso14001 certified
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