? v h + ? + ? v h C ? * 1 v h = 2 * 2 the linearity g of v h is a percentage of the cumulative sensitivity of k h0.05 and k h0.1 measured at b= 0.05t and 0.1t for the average value. k h0.1 C k h0.05 v h g = ( percentage of the cumulative sensitivity k h =) 1/2 (k h0.05 + k h0.1 ) i c b symbol v h * 1 v ho r in r out b a g * 2 unit mv mv k w k w %/?c %/?c % condition v c = 3v, b= 0.1t v c = 3v, b= 0t i c = 0.1ma, b= 0t i c = 0.1ma, b= 0t i c =1.5ma, b= 0.1t i c = 0.1ma, b= 0t i c =1ma, b= 0.05t/0.1t unit v mw ?c ?c n electrical characteristics (ta= 25?c) unit : mm oh023 gaas hall element magnetic sensor n features l hall voltage : typ. 90mv(v c = 3v, b= 0.1t) l input resistance : typ. 2k w (min. 1.5k w ) l output resistance : typ. 7k w (max. 10k w ) l sealed in the mini type (4-pin) package. automatic insertion through taping and magazine. n applications l various hall motor (applicable to cd, vd, vcr, fdd, and other portable equipment) l applicable to wide-varying field (oa equipment, etc.) n absolute maximum ratings (ta= 25?c) 1 : v h output C side 2 : v c input C side 3 : v h output + side 4 : v c input + side mini type package (4-pin) parameter control voltage power dissipation operating ambient temperature storage temperature symbol v c p d t opr t stg rating 6 150 C10 to +125 C 55 to +125 parameter hall voltage unbalance voltage input resistance output resistance temperature coefficient of hall voltage temperature coefficient of input resistance linearity of hall voltage min 70 1.5 5 typ 90 2 7 max 110 9.5 3 10 C 0.06 0.3 2 gaas hall elements ma111 marking symbol : ot 2.8 +0.2 ?.3 1.5 +0.2 ?.3 0.65 0.15 0.65 0.15 0.5r 1 2 4 3 0.95 0.95 1.9 0.2 2.9 0.2 0.4 +0.1 ?.05 1.1 +0.2 ?.1 0.8 0.4 0.2 0 to 0.1 0.16 +0.1 ?.06
n typical drive circuit p d C ta r in C ta v h C ta v h C b v h C v c v h C i c gaas hall elements oh023 +5v +v +5v ?v ? ?v 31 2 4 + ambient temperature ta ( ?c ) power dissipation p d ( mw ) 0 40 80 120 160 200 180 140 100 60 20 02040 80 60 140 120 100 160 0 ?40 0 40 80 120 40 80 120 160 200 240 ambient temperature ta ( ?c ) hall voltage v h ( mv ) b=0.1t i c =1.5ma ambient temperature ta ( ?c ) input resistance r in ( ) 0 ?0 0 40 80 120 2000 4000 3000 1000 b=0 i c =0.1ma magnetic flux density b ( t ) hall voltage v h ( mv ) v c =3v ta=25?c 0 0 0.20 0.16 0.12 0.08 0.04 100 200 150 50 control current i c ( ma ) hall voltage v h ( mv ) b=0.1t ta=25?c 0 01 34 2 40 80 120 160 200 240 280 320 control voltage v c ( v ) hall voltage v h ( mv ) b=0.1t ta=25?c 0 02 68 1357 4 40 80 120 160 200 240 280 320
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