unisonic technologies co., ltd sk8509 linear integrated circuit www.unisonic.com.tw 1 of 6 copyright ? 2012 unisonic technologies co., ltd qw-r118-010,d hall-effect sensor ic ? description sk8509 is a semiconductor integrated circuit utilizing the hall effect. it has been so designed as to operate in the accurately track extremely small changes in magnetic flux density-changes generally too small to operate hall-effect switches. this hall ic is suitable for application to various kinds of sensors, contact-less switches, motion detectors, gear tooth sens ors, and proximity detectors, and the like. ? features * wide supply voltage range of 4v to 7v * wide temperature oper ation range of -20 ~+85 * the life is semipermanent because it employs contactless parts sot-23 1 2 3 sip-3 1 ? ordering information ordering number package pin assignment packing lead free halogen free 1 2 3 sk8509l-ae3-r sk8509g-ae3-r sot-23 o i g tape reel sk8509l-g03-b sk8509g-g03-b sip-3 i g o tape box sk8509l-g03-k SK8509G-G03-K sip-3 i g o bulk note: pin assignment: i: v cc o: v out g: gnd ? marking sot-23 l: lead free g: halogen free 8509
sk8509 linear integrated circuit unisonic technologies co., ltd 2 of 6 www.unisonic.com.tw qw-r118-010,d ? block diagram regulator hall element amplifier control block output stage gnd output v cc
sk8509 linear integrated circuit unisonic technologies co., ltd 3 of 6 www.unisonic.com.tw qw-r118-010,d ? absolute maximum ratings parameter symbol ratings unit supply voltage v cc 7v v supply current i cc 10 ma operating ambient temperature t opr -20~+85 c storage temperature t stg -55~+150 c note: absolute maximum ratings are those values beyond which the device could be permanently damaged. absolute maximum ratings are stress ratings only an d functional device operat ion is not implied. ? electrical characteristics (t a =25c, v cc =5v) parameter symbol test conditions min typ max unit operating voltage v cc 4 7 v quiescent output voltage v out b=0g 2.25 2.50 2.75 v supply current i cc 3 10 ma sensitivity v out b=0g ~ 900g 0.75 1.30 1.75 mv/g
sk8509 linear integrated circuit unisonic technologies co., ltd 4 of 6 www.unisonic.com.tw qw-r118-010,d ? package information fig. 1 sensor locations
sk8509 linear integrated circuit unisonic technologies co., ltd 5 of 6 www.unisonic.com.tw qw-r118-010,d ? typical characteristics
sk8509 linear integrated circuit unisonic technologies co., ltd 6 of 6 www.unisonic.com.tw qw-r118-010,d utc assumes no responsibility for equipment failures that result from using products at values that exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or other parameters) listed in products specifications of any and all utc products described or contained herein. utc products are not designed for use in life support appliances, devices or systems where malfunction of these products can be reasonably expected to result in personal injury. reproduction in whole or in part is prohibited without the prior written consent of the copyright owner. the information presented in this document does not form part of any quotation or contract, is believed to be accurate and reliable and may be changed without notice.
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