ts h 248 micropower omni - polar hall effect switch 1/8 version: a14 tsot - 23 description ts h248 hall - effect sensor is a tempe rature stable, stress - resistant , micro - power switch . superior high - temperature performance is made possible through a dyna mic offset cancellation that utilizes chopper - stabilization. this method reduces the offset voltage normally caused by device over - mo lding, temperature dependencies and thermal stress. ts h 248 includes the following on a single silicon chip : voltage regulator, hall voltage generator, small - signal amplifier, chopper stabil ization, schmitt trigger, open - drain output. advanced cmos wafer fabrication processing is used to take advantage of low - voltage requirements, component matchin g, very low input - offset errors and small component geometries. features cmos hall ic technolo gy solid - state reliability low power consumption for battery applications operation voltage range from 2.5 v~ 3.5v ordering information part no. package packing ts h248 c x rf g t sot - 23 3k pcs / 7 reel note: g denote for halogen free product application sol id state switch lid close sensor for power supply devices magnet proximity sensor for reed switch replacement in high duty cycle applications. handheld wireless handset awake switch ( flip cell/phs phone /note book/flip video set ) absolute maximum rat ing s ( ta = 25 o c unless otherwise noted ) characteristics limit value unit supply voltage v cc 5 v output voltage v out 5 v reverse voltage v cc/out - 0.3 v magnetic flux density unlimited g output current i out 2 ma operating temperature range t opr - 40 to + 85 o c storage temperature range t stg - 55 to +150 o c maximum junction temp t j 1 50 o c thermal resistance - junction to ambient r ja 543 o c/w thermal resistance - junction to case r jc 410 o c/w package power dissipation p d 230 mw note: exceeding the a bsolute maximum ratings may cause permanent damage. exposure to absolute maximum - rated conditions for extended periods may affect devic e reliability. pin definition : 1. v cc 2. output 3. gnd downloaded from: http:///
ts h 248 micropower omni - polar hall effect switch 2/8 version: a14 c1 10 nf c2 1 00p f r1 100 k block diagram note: static sensitive device; please observe esd precaution s. reverse v cc protection is not included. for reverse voltage protection, a 100 resistor in series with v cc is recommended. typical application circuit downloaded from: http:///
ts h 248 micropower omni - polar hall effect switch 3/8 version: a14 electrical specifications ( dc operating parameters : t a =+25 o c,v cc =3v) parameters test conditions min typ max unit s supply voltage operating 2.5 -- 3.5 v supply current awake state -- 2.5 4.0 ma sleep state -- 8.0 12 a average -- 10 16 a output low voltage i out =1ma -- -- 0.3 v output leakage current output off -- -- 1 a awake mode time operating -- 70 -- s sleep mode time operating -- 70 -- ms duty cycle -- 0.1 -- % magnetic specifications dc operating parameters t a = 25 o c , v cc = 3.0 v parameter symbol test conditions min. typ. max. units operating point b ops n pole to branded side, b > b op , v out on 6 -- 60 g b op n s pole to branded side, b > b op , v out on - 60 -- -6 g release point b rp s n pole to branded side, b < b rp , v out off 5 -- - 59 g b rp n s pole to branded side, b < b rp , v out off - 60 -- -5 g hysteresis b hys |bopx - brpx| -- 7 -- g note: 1g (gaus s) = 0.1mt (millit es l a) downloaded from: http:///
ts h 248 micropower omni - polar hall effect switch 4/8 version: a14 output behavior versus magnetic pole dc operating parameters : t a = - 40 to 85 o c , v cc = 2.5 v ~ 3.5 v parameter t est condition out south pole bbop( 60 ~6) low t sot - 23 downloaded from: http:///
ts h 248 micropower omni - polar hall effect switch 5/8 version: a14 characteristic performance figure 1. flux density vs. supply voltage figure 2 . flux density vs. temperature figure 3 . supply current vs. supply voltage figure 4 . suppl y current vs. temperature figure 5 . output saturation voltage vs. supply voltage figure 6. output saturation voltage vs. temperature downloaded from: http:///
ts h 248 micropower omni - polar hall effect switch 6/8 version: a14 characteristic performance figure 7. output leakage current vs. supply voltage downloaded from: http:///
ts h 248 micropower omni - polar hall effect switch 7/8 version: a14 tsot - 23 mechanical drawing unit: millimeters marking diagram 248 = device code ww = week code table week 1 2 3 4 5 6 7 8 9 10 11 12 13 code oa ob oc od oe of og oh oi oj ok ol om week 14 15 16 17 18 19 20 21 22 23 24 25 26 code on oo op oq or os ot ou ov ow ox oy oz week 27 28 29 30 31 32 33 34 35 36 37 38 39 code pa pb pc pd pe pf pg ph pi pj pk pl pm week 40 41 42 43 44 45 46 47 48 49 50 51 52 code pn po pp pq pr ps pt pu pv pw px py pz downloaded from: http:///
ts h 248 micropower omni - polar hall effect switch 8/8 version: a14 notice specifications of the products displayed herein are subject to change without notice. tsc or anyone on i ts behalf, assumes no responsibility or liability for any errors or inaccuracies. information contained herein is intended t o provide a product description only. no license, express or implied, to any intellectual property rights is granted by this document. except as provided in t scs terms and conditions of sale for such products, tsc assumes no liability whatsoever, and disc laims any express or implied warranty, relating to sale and/or use of tsc products including liability or warranties relating to fitness for a particu lar purpose, merchantability, or infringement of any patent, copyr ight, or other intellectual property rig ht. the products shown herein are not designed for use i n medical, life - saving, or life - sustaining applications. customers using or selling these products for use in such applications do so at their own risk and agree to fully indemnify tsc for any damage s resulting from such improper use or sale. downloaded from: http:///
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