wsh315 winson reserves the right to make changes to improve reliability or manufacturability. ?winson, 2017/4/7 page 1 linear hall effect sensor ic features: ? wide operating range 3.0~12v, - 40 ~125 ? flat response to 23khz ? high sensitivity 1.5 mv/gauss ? wide output voltage range 0.2~4.8v (at vdd=5v) ? low temperature drift 0.2 mv/ ? wide sensible magnetic field range on different supplied voltage 1,500 gauss on 5v supplied voltage 3,000 gauss on 12v supplied voltage. low operating current 3ma ? two package styles to - 92s/sot - 23 available. functional description : the wsh315 is a new version of wsh135 with better measuring range and thermal shift. it integrates hall sensing element, linear amplifer, sensitivity controller and emitter follower ou tput stage.it accurately tracks extremely small change in magnetic flux density ? generally too small to operate hall effect switch. w315 can be applied as current sensor, tooth sensor, proximity detectors and motion detectors. as sensitive monitor of mag netic flux, it can effectively measure a system?s performance with negligible system loading while providing isolation from contaminated and electrically noisy environments.
wsh315 winson reserves the right to make changes to improve reliability or manufacturability. ?winson, 2017/4/7 page 2 electrical characteristics: (t=+25?c, vdd=5.0v ) characteristic symbol test conditions min typ max units supply voltage vcc 3.0 12 v supply current isupply b=0 gauss 3.0 5.0 ma quiescent vout v0g b=0 g (grade a ) 2.45 2.5 2.55 v b=0 g (grade b ) 2.35 2.5 2.65 v sensitivity vout b= 0 to 500 g 1.2 1.5 1.8 mv/g bandwidth bw 23 khz measurable guass range mgr vdd=5v 1500 guass vdd=12v 3000 temperature drift vout b=0 gauss 0.2 mv/ 1. all output - voltage measurements are made with a voltmeter having an input impedance of at least 100k 2. do not apply any load on output pin, it will degrade ic s performance .
wsh315 winson reserves the right to make changes to improve reliability or manufacturability. ?winson, 2017/4/7 page 3 package information: to92s: sot23:
wsh315 winson reserves the right to make changes to improve reliability or manufacturability. ?winson, 2017/4/7 page 4 electrical characteristic diagram: -40 -30 -20 -10 0 10 20 30 40 50 60 70 80 90 100 110 120 ? 0.841 0.905 0.939 0.968 0.990 0.996 0.996 1.000 0.988 0.980 0.949 0.930 0.902 0.873 0.835 0.800 0.764 0.000 0.200 0.400 0.600 0.800 1.000 1.200 ? c wsh315 sensitivity standardization of 30 vs. temperature y = 0.0015x + 2.4812 r2 = 0.9993 0.000 1.000 2.000 3.000 4.000 5.000 6.000 -2500 -2000 -1500 -1000 -500 0 500 1000 1500 2000 2500 v g wsh315 vout vs. magnetic field with vdd 5v n s y = 0.0013x + 1.6911 r2 = 0.9988 0.000 0.500 1.000 1.500 2.000 2.500 3.000 3.500 -1800 -1600 -1400 -1200 -1000 -800 -600 -400 -200 0 200 400 600 800 1000 1200 1400 1600 1800 v g wsh315 vout vs. magnetic field with vdd 3.3v n s
wsh315 winson reserves the right to make changes to improve reliability or manufacturability. ?winson, 2017/4/7 page 5 1 1.1 1.2 1.3 1.4 1.5 1.6 1.7 1.8 1.9 2 3.0 4.0 5.0 6.0 7.0 8.0 9.0 10.0 11.0 12.0 13.0 mv/g v wsh315 sensitivity vs. vdd 2.000 2.500 3.000 3.500 4.000 4.500 5.000 5.500 3.0 4.0 5.0 6.0 7.0 8.0 9.0 10.0 11.0 12.0 13.0 ma v wsh315 current vs.vdd 1.000 2.000 3.000 4.000 5.000 6.000 7.000 3.0 4.0 5.0 6.0 7.0 8.0 9.0 10.0 11.0 12.0 13.0 v v wsh315 vout vs. vdd
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