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( important: please check the last page for genuine product labe ling) website: www.anasemi.com tel: +852-3590-8442 email: sales@anasemi.com low power consumption, 1.5mt high sensitivity cmos mr magnetic sensor switch mrx15 33l series rev. e13-0 1 ana log semi conductor ic .......... future of the analog world anasem anasem ? ? ? ?
anasem 1 anasem rev. e13-01 products data sheet analog semiconductor ic .......... future of the analog world www.anasemi.com sales@anasemi.com low power consumption, 1.5mt high sensitivity cmos mr magnet sensor switch mrx15 33l series general descriptions mrx1533l series are monolithic ics with built-in mr magnet resistive element and cmos switch. it becomes the non-contact switch with low current consumption, high sensitivity and reliabili ty which is combined with magnet. a horizontal magnetic field parallel to the electro de of the package can be detected by an arbitrary polarity. (n pole ? s pole) features cmos + mr monolithic structure low current consumption high-sensitivity operating temperature range operating voltage range detection pulse driving cycle magnetic direction detection magnetic field small package applications detection of opening and closing : mobile phone, n otebook pc, microwave oven, washing machine, rice cooker, refrigerator, electronic dictionary, d igital camera, etc. detection of position : air cylinder, antitheft wi ndow, digital door lock, etc. detection of water level : water purifier, humidif ier, bidet, etc. detection of rotation : water meter, gas meter, wa ttmeter, speed meter, etc. power supply switch : cordless phone, electric too thbrush, etc. halogen rohs compliance 3.0 a (v in =3.3v, ta=25c) typ. 1.5mt -40 ~ +85c 2.5v ~ 3.7v typ. 50msec with 25 sec width both direction / cmos inverter one output horizontal direction of marked side of package (electrode parallel both direction) sot-23 (2.92.81.1mm)
anasem rev. e13-01 mrx15 33l series low power consumption, 1.5mt high sensitivity cmos mr magnet sensor switch www.anasemi.com sales@anasemi.com products numbering guide pin configuration / marking specification mrx1533l 15 : typ. 1.5mt detection sensitivity operating voltage 33 : 2.5v ~ 3.7v a : cmos output design version t : sot-23 (2.92.81.1mm) package form l : typ. 50msec with 25 sec width detection pulse cycle pin configuration no. symbol descriptions 1 v in voltage input 2 v out output 3 v ss power ground marking specification code mark contents a m series name bc aa products specification & version d internal rule lot number (top view) vss vin 1 2 3 vout d a b c d d d d
anasem rev. e13-01 mrx15 33l series low power consumption, 1.5mt high sensitivity cmos mr magnet sensor switch www.anasemi.com sales@anasemi.com block diagram absolute maximum ratings items symbol min. typ. max. conditions unit operating temperature t opr -40 - +85 c storage temperature t stg -50 - +125 c supply voltage v max v in -0.3 - v in +6.0 v assembly temp. condition t asy - 255 260 t=max:5sec/tmax c v ss latch circuit sampling circuit cmos drive ci rcuit switch t1 r4 r2 r3 r1 v out v in direction of magnetic field
anasem rev. e13-01 mrx15 33l series low power consumption, 1.5mt high sensitivity cmos mr magnet sensor switch www.anasemi.com sales@anasemi.com electrical characteristics (unless otherwise specified, v dd =3.3v, ta=25c) items symbol min. typ. max. conditions unit operating voltage v in 2.5 3.3 3.7 v current consumption i avg - 3.0 5.0 a detection pulse driving cycle ts - 50 90 msec h-level output voltage v oh 0.9v in - - i out =+1.0ma v l-level output voltage v ol - - 0.1v in i out =-1.0ma v magnetic characteristics (unless otherwise specified, v dd =3.3v, ta=25c) items symbol min. typ. max. unit magnetic flux density at operating point (h l) m ops 1.0 * 1.5 2.5 mt m opn -2.5 -1.5 -1.0 * magnetic flux density at release point (l h) m rps 0.7 1.2 2.2 * mt m rpn -2.2 * -1.2 -0.8 width of hysteresis m hys 0.1 * 0.3 0.8 * mt note : the values with [*] marks are guaranteed by design, not tested in production. magnetic-electric conversion characteristic s - pole n - pole v out v oh v ol magnetic flux density m r p s m o p s m hys m r p n m o p n m hys 0
anasem rev. e13-01 mrx15 33l series low power consumption, 1.5mt high sensitivity cmos mr magnet sensor switch www.anasemi.com sales@anasemi.com magnetic flux density and output voltage level conditions output level magnet & power magnet flux density magnet = off / power = on m = 0mt high-level magnet = on / power = on m R 2.5mt low-level magnet = off / power = on m Q 0.7mt high-level detection pulse driving cycle (sampling cycle) output switching timing chart i dd i dd on (typ. 1.8ma) i dd avg (typ . 1.6 a) i dd off (typ. 1.3 a) awake (25 s) period (typ. 50ms) time (v dd = 3.3 v) sleep (output latched) sampling pulse m op m rp on off magnetic flux v out h-level l-level m hys latch latch latch (typ. 1.5mt) (typ. 1.2mt)
anasem rev. e13-01 mrx15 33l series low power consumption, 1.5mt high sensitivity cmos mr magnet sensor switch www.anasemi.com sales@anasemi.com test circuit standard magnet specifications detection distance simulation (with standard magnet) 15pf (including probe capacitance) direction of magnetic field v ss v out v in a s or n n or s p - point : magnetic flux density measuring position 3.0mm 4.0mm 0.5mm magnetization direction for reaction of sensor magnet maker : tdk corp. / japan neodymium magnet magnetic specification : ne047bw size : 4.0 3.0 0.5mm 20 magnetic flux density (mt) vertical distance (mm) 4 6 8 10 12 14 16 18 20 18 16 14 0 12 10 8 6 4 2 2 ( hd = 0mm ) standard magnet detection point of sensor vertical direction (vd) 1.5mt 10 magnetic flux density (mt) horizontal distance (mm) 4 6 8 10 12 14 16 18 20 9 8 7 0 6 5 4 3 2 1 2 ( vd = 3mm ) horizontal direction (hd) 1.5mt standard magnet detection point of sensor
anasem rev. e13-01 mrx15 33l series low power consumption, 1.5mt high sensitivity cmos mr magnet sensor switch www.anasemi.com sales@anasemi.com typical electric characteristics -40 -30 -20 -10 0 10 20 30 40 50 60 70 80 90 temperature (c) 3 1.4 magnetic flux density (mt) input voltage (v) 2 1 0 -1 -2 -3 1.6 1.8 2.0 2.2 2.4 2.6 2.8 3.0 3.2 3.4 3.6 m rps m rpn m opn m ops current consumption ( a) 7 5 4 3 2 1 (v in =3.3v) (ta=25c) magnetic flux density vs. input voltage 3 magnetic flux density (mt) 2 1 0 -1 -2 -3 magnetic flux density vs. ambient temp. m opn m rpn m rps m ops current consumption vs. input voltage current consumption vs. ambient temp. (ta=25c) (v in =3.3v) 0 6 -40 -30 -20 -10 0 10 20 30 40 50 60 70 80 90 temperature (c) 1.4 input voltage (v) 1.6 1.8 2.0 2.2 2.4 2.6 2.8 3.0 3.2 3.4 3.6 current consumption ( a) 7 5 4 3 2 1 0 6 sampling period vs. input voltage sampling period vs. ambient temp. sampling period (msec) 90 70 60 50 40 30 20 80 -40 -30 -20 -10 0 10 20 30 40 50 60 70 80 90 temperature (c) 1.4 input voltage (v) 1.6 1.8 2.0 2.2 2.4 2.6 2.8 3.0 3.2 3.4 3.6 sampling period (msec) 90 70 60 50 40 30 20 80 (ta=25c) (v in =3.3v)
anasem rev. e13-01 mrx15 33l series low power consumption, 1.5mt high sensitivity cmos mr magnet sensor switch www.anasemi.com sales@anasemi.com application informations detection of magnetic field to operate output switch, the magnetic field should be applied to the sensor with sufficient magnetic flux density and correct direction. mr series are designed to be on-state (l-level output) when the horizontal direction magnetic field is applied in p arallel to the marked side of sensor, with sufficie nt magnetic flux (m ops or m opn value) regardless of polarity of magnet. because mr series detect the horizontal direction magnetic field, it has not inf luence of the reverse-magnetic field. and also, mr series detect the vertical direction magnetic field according to the level of magnetic flux, so that i t is possible to apply to not only slide type but also f old type. application example 1 -- [fold type] in case mr series is used for fold type cellular ph one, ic sense the conditions of opening and shuttin g of the cover by detection of the magnetic flux acco rding to the distance between ic and magnet. in position a, output is l-level (on-state) because the detected magnetic flux is sufficient. the magnetic flux decrease according to the magnet is m oved from ic (position a b). then the ic is turned h-level (off-state) because the magnetic flu x become m rp or less (position b c). top view front view v in v out n or s s or n detection direction magnet vd mr sensor vd vd position a output level = low position b output level = low high position c output level = high moving direction n or s s or n magnetic field direction n or s magnetic field direction s or n moving direction moving direction detection direction detection direction moving direction (marked side) v ss v in v out 35 35 n or s s or n
anasem rev. e13-01 mrx15 33l series low power consumption, 1.5mt high sensitivity cmos mr magnet sensor switch www.anasemi.com sales@anasemi.com application example 2 -- [slide type & rotary type] in the detection of the slide type, there are two w ays of arrangement of magnetic field detecting direction against moving direction. one is paralle l and another is cross with moving direction. in case of parallel positioning of magnetic field w ith moving direction [arrangement 1], the output of ic might be l-level (on-state) h-level (off-state) l-level (on-state) h-level (off-state) due to reverse-magnetic field. to prevent from this malfunction, it is recommended to arrange the detection direction of sensor and magnetic field to be crossed with moving direction of cover [arrangement 2]. moving direction moving direction moving direction magnetic field direction moving direction detection direction n or s s or n n or s magnetic field direction s or n detection direction [arrangement 1] parallel the direction of detection magnetic field with the moving direction magnet vd mr sensor position a output level = low position b output level = low high hd position c output level = high hd mr sensor mr sensor mr sensor mr sensor position b output level = low position a output level = high low position d output level = high position c output level = low high magnet [arrangement 2] cross the direction of detection magnetic field with the moving direction
anasem rev. e13-01 mrx15 33l series low power consumption, 1.5mt high sensitivity cmos mr magnet sensor switch www.anasemi.com sales@anasemi.com package dimensions (sot-23) 0.4 0~0.1 1.1~1.3 2.90.2 +0.10 C0.15 (unit : mm) 3~7 0.16 +0.10 C0.15 0~0.35 0~0.1 0.45 1.1~1.3 2.90.2 1.60.15 1.90.2 0.95 0.95 0.65 +0.10 C0.15 2.80.2 0.65 +0.10 C0.15 (marked side) 0.4 +0.10 C0.15 0.4 +0.10 C0.15 0.4 +0.10 C0.15 recommended land pattern 2.4 1.0 0.8 1.9 0.95 0.95 1.0 0.8 0.8 1.0
anasem rev. e13-01 mrx15 33l series low power consumption, 1.5mt high sensitivity cmos mr magnet sensor switch www.anasemi.com sales@anasemi.com taping and loading specifications (sot-23) reel dimensions (sot-23) (unit : mm) ?130.5 ?601 ?1782 90 120 2.0 0.5 9.0 0.5 (3,000 pcs / reel) (unit : mm) 4.0 0.1 2.0 0.05 4.0 0.1 ? 1.5 +0.1 C0 ? 1.05 0.05 3.35 0.1 3.3 0.1 3.5 0.05 1.75 0.1 8.0 0.2 1.65 max. 0.2 0.05 taping direction mark mark
a na s em www.anasemi.com sales@anasemi.com anasem anasem may change the products described in this data sheet, or may discontinue production or services w ithout any notice in order to supply the best products thr ough improve the design and performance. customers are recommended to obtain the latest data or informatio n before placing orders in order to make sure the d ata or information required is the newest. it is necessary for customers to fully understand the products des cribed in this data sheet and to use it in accordance with its spe cifications. the products described in this data sh eet are not intended to use for the apparatus which have influe nce on human lives due to the failure or malfunctio n of the products. anasem corp. is not responsible for any su pport to customers application, product design, so ftware performance, patent infringement or service. anasem corp. does not disclose or imply a guarantee or des cription about being licensed based on patents, copy-rights, circuit location license, or other intellectual pr operties associated with the devices or combinations in whic h the products or service of anasem corp. are used o r can be used, or which cover the methods. customers should not export, directly or indirectly, any products wi thout obtaining required licenses and approvals in advanc e from appropriate government agencies.
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