SS657 unipolar hall-effect digital switch packages features and benefits ? 4.5v to 6v operation ? miniature construction ? low-noise output ? magnetically optimized package ? linear output for circuit design flexibility ? temperature range of -40 c to 150 c ? 3 pin sip (suffix ua) ? functional block diagram application examples ? motor control ? magnetic code reading ? ferrous metal detector ? current sensing ? position sensing ? general description SS657 linear hall-effect sensor is small, versatile linear hall-effect device that is operated by the magnetic field from a permanent magnet or an electromagnet. the linear sourcing output voltage is set by the supply voltage and varies in proportion to the strength of the magnetic field. the integrated circuitry features low noise output, which makes it unnecessary to use external filtering. it also includ es thin film resistors to provide increased temperature stability and accuracy. the linear hall sensor has an operating temperature range of -40 c to 150 c appropriate for commercial, consumer and industrial environments. 1? ? 2 3 2 gnd 3 v out reg 1 v cc glossary of terms millitesla (mt), gauss units of magnetic flux density: 1mt = 10 gauss rohs restriction of hazardous substances operating point (b op ) magnetic flux density applied on the branded side of the package which turns the output driver on (v out = v dson ) release point (b rp ) magnetic flux density applied on the branded side of the package which turns the output driver off (v out = high) 1 v2.10 may 1, 2012 www.datasheet.net/ datasheet pdf - http://www..co.kr/
SS657 unipolar hall-effect digital switch pin definitions and descriptions sot pin name status description 1 vdd p power supply 2 out p ic ground 3 gnd o output table 1: pin definitions and descriptions absolute maximum ratings parameter symbol value units supply voltage( operating) v cc 8.0 v output current i out 20 ma operating temperature range t a -40 to 85 c storage temperature range t s -65 to 150 c table 2: absolute maximum ratings electrical characteristics dc operating parameters t a = 25 , v cc = 5.0v parameter symbol test conditions min typ max units operating voltage v cc operating 3.0 6.5 v supply current i cc average 4.2 8.0 ma output current i out 1.0 1.5 ma response time t ack 3 s quiescent output voltage v o b = 0g 2.25 2.5 2.75 v sensitivity v out t a =25c 1.6 1.8 2.0 mv/g min output voltage b = -1500g 0.86 v max output voltage b = 1500g 4.21 v table 3: electrical characteristics 2 v2.10 may 1, 2012 www.datasheet.net/ datasheet pdf - http://www..co.kr/
SS657 unipolar hall-effect digital switch performance characteristics 3 v2.10 may 1, 2012 www.datasheet.net/ datasheet pdf - http://www..co.kr/
SS657 unipolar hall-effect digital switch package ua, 3-pin sip: ? ordering information part no. pb-free temperature code package code packing SS657eua yes e (-40c to 85c) ua(to-92) bulk, 1000 pieces/bag SS657kua yes e (-40c to 125c) ua(to-92) bulk, 1000 pieces/bag SS657lua yes e (-40c to150c) ua(to-92) bulk, 1000 pieces/bag ? 4 v2.10 may 1, 2012 www.datasheet.net/ datasheet pdf - http://www..co.kr/
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