fea tures lead fin ish is hot sol der dip her metic ce ramic pack age op er ates over a broad range of sup ply volt ages ex cel lent tem pera ture sta bil ity to op er ate in harsh en vi ron ments hall ele ment, lin ear am pli fier, and schmitt trig ger on a sin gle hal logic ? sili con chip proc ess ing pat terned af ter class b or class s of mil- std- 883 suit able for mili tary and space ap pli ca tions de scrip tion the chip contains a monolithic integrated circuit which incorporates a hall element, a linear amplifier, and schmitt trigger on a single silicon chip. included on-chip is a bandgap voltage regulator to allow operation with a wide range of supply voltages. the device features logic level output and is capable of 25 ma of sink current. output amplitude is constant at switching frequencies from dc to over 200 khz. the omh360b is processed to optek?s own screening procedures patterned after class b of mil-std-883. OMH360S is patterned after class s. typical screening and lot acceptance provided on page 13-4. ab so lute maxi mum rat ings (t a = 25 o c un less oth er wise noted) sup ply volt age, v cc . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25 v stor age tem pera ture range, t s . . . . . . . . . . . . . . . . . . . . . . . . . . -65 o c to +150 o c op er at ing tem pera ture range, t a . . . . . . . . . . . . . . . . . . . . . . . . . -55 o c to +125 o c lead sol der ing tem pera ture [1/8 inch (3.2mm) from case for 5 sec. with sol der ing iron] . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 260 o c out put on cur rent, i sink . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25 ma out put off volt age, v out . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25 v mag netic flux den sity, b . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . un lim ited prod uct bul le tin omh360 june 1996 high re li abil ity hal logic ? hall ef fect sen sor types omh360b, OMH360S optek technology, inc. 1215 w. crosby road carrollton, texas 75006 (972) 32 3-2200 fax (972) 323-2396 functional block diagram 14-14
types omh360b, OMH360S op tek re serves the right to make changes at any time in or der to im prove de sign and to sup ply the best prod uct pos si ble. op tek tech nol ogy, inc. 1215 w. crosby road car roll ton, texas 75006 (972)323- 2200 fax (972)323- 2396 magnetic operate point vs. ambient temperature magnetic release point vs. ambient temperature supply current vs. ambient temperature output saturation voltage vs. ambient temperature t a - ambient temperature - o c t a - ambient temperature - o c t a - ambient temperature - o c t a - ambient temperature - o c 14-15 elec tri cal char ac ter is tics (t a = 25 o c, v cc = 4.5 v to 24 v un less oth er wise noted) sym bol pa rame ter min typ max units test con di tions b op magnetic operate point 235 360 465 gauss b rp magnetic release point 170 280 360 gauss b h magnetic hysteresis 30 80 150 gauss i cc supply current 5.0 9.0 ma v cc = 24 v, output on v ol output saturation voltage 125 300 mv v cc = 4.5 v, i ol = 15 ma i oh output leakage current 0.1 10.0 m a v cc = 24 v, v out = 24 v t r output rise time 0.13 1.00 m s r l = 820 w , c l = 20 pf t f output fall time 0.19 1.00 m s r l = 820 w , c l = 20 pf typical performance curves
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