oh 920 high high high high sensitivity sensitivity sensitivity sensitivity cmos cmos cmos cmos hall-effect hall-effect hall-effect hall-effect latch latch latch latch page 1 nanjing nanjing nanjing nanjing ouzhuo ouzhuo ouzhuo ouzhuo technology technology technology technology co., co., co., co., ltd ltd ltd ltd www.ohhall.com www.zbling.com tel 86- 25-52312738 86-25- 83247886 fax: 86-25-52312738 e-mail: ohhall@163.com order order order order information information information information package temperature range part number marking id packing type to92s -3 -40 to 125 c oh920- t 920 bulk sot23 -3 -40 to 125 c o h920- s gs7 tape & reel general general general general description description description description : : : : the o h920 is a hall-effect latch designed in mixed signal cmos technology. it is quite suitable for usein automotive, industrial and consumer applications. superior high-temperature performance is made possible through dynamic offset cancellation, which reduces the residual offset voltage normally caused by device over-molding, temperature dependencies,and thermal stress. the device integrates a voltage regulator, hall-voltage generator, small-signal amplifier, chopper stabilization, schmitt trigger, and open-drain output. an on-board regulator permits operation with supply voltage from 3.5v to 20v. features features features features ? wide operating voltage range from 3.5 to 20v ? symmetrical switch points ? chopper-stabilized amplifier stage ? superior temperature stability ? open-drain output ? compact size ? esd rating: 6000v (human body model) absolute absolute absolute absolute maximum maximum maximum maximum ratings ratings ratings ratings t a =25 supply voltage v cc 3. 5-2 0 v output current i o 25ma operating temperature range t a - 5 0 1 5 0 storage temperature range t s - 6 5 150 applications applications applications applications ? brushless dc motor commutation ? brushless dc fan ? solid-state switch ? revolution counting ? speed detection ? high sensitivity and unconnected switch functional functional functional functional block block block block diagram diagram diagram diagram
oh 920 high high high high sensitivity sensitivity sensitivity sensitivity cmos cmos cmos cmos hall-effect hall-effect hall-effect hall-effect latch latch latch latch page 2 nanjing nanjing nanjing nanjing ouzhuo ouzhuo ouzhuo ouzhuo technology technology technology technology co., co., co., co., ltd ltd ltd ltd www.ohhall.com www.zbling.com tel 86- 25-52312738 86-25- 83247886 fax: 86-25-52312738 e-mail: ohhall@163.com electrical electrical electrical electrical characteristics characteristics characteristics characteristics v cc =12v, t a =25 c, unless otherwise specified parameter symbol conditions value unit min typ max supply voltage v cc 3 .5 - 2 0 v output saturation voltage v ol i out =20ma, b>bop - 185 5 00 mv output leakage current i oh v out =20v, b oh 920 high high high high sensitivity sensitivity sensitivity sensitivity cmos cmos cmos cmos hall-effect hall-effect hall-effect hall-effect latch latch latch latch page 3 nanjing nanjing nanjing nanjing ouzhuo ouzhuo ouzhuo ouzhuo technology technology technology technology co., co., co., co., ltd ltd ltd ltd www.ohhall.com www.zbling.com tel 86- 25-52312738 86-25- 83247886 fax: 86-25-52312738 e-mail: ohhall@163.com t t t t ypical ypical ypical ypical application application application application mechanical mechanical mechanical mechanical dimension dimension dimension dimension unit:mm(inch) unit:mm(inch) unit:mm(inch) unit:mm(inch) to-92s-3 to-92s-3 to-92s-3 to-92s-3
oh 920 high high high high sensitivity sensitivity sensitivity sensitivity cmos cmos cmos cmos hall-effect hall-effect hall-effect hall-effect latch latch latch latch page 4 nanjing nanjing nanjing nanjing ouzhuo ouzhuo ouzhuo ouzhuo technology technology technology technology co., co., co., co., ltd ltd ltd ltd www.ohhall.com www.zbling.com tel 86- 25-52312738 86-25- 83247886 fax: 86-25-52312738 e-mail: ohhall@163.com SOT23-3 SOT23-3 SOT23-3 SOT23-3
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