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a h920 document number: d s 36768 rev. 2 - 2 1 of 13 www.diodes.com december 2013 ? diodes incorporated a h920 a product line of diodes incorporated high sensitivity cmos hall - effect latch description the ah920 is a hall - effect latch designed in mixed signal cmos technology. it is quite suitable for use in automotive, industrial and consumer applications. superior high - temperature perfo rmance 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. the ah920 is available in to - 92s - 3 and sot - 23 - 3 packages, which are optimized for most ap plications. features ? wide operating voltage range from 3.5v to 20v ? symmetrical switch points ? chopper - stabilized amplifier stage ? superior temperature stability ? open - drain output ? compact size ? esd rating: 6000v (human body model) pin assignments ( front view) to - 92s - 3 ( z3 package) ( top view) sot - 23 - 3 ( n package) applications ? brushless dc motor commutation ? brushless dc fan ? solid - state switch ? revolution counting ? speed detection ? high sensitivity and unconnected switch typical applications circuit o u t g n d v c c 1 2 3 o u t g n d v c c 3 2 1 a h 9 2 0 v c c g n d o u t c l 0 . 1 m f r l o u t p u t v c c 1 v c c 2 a h 9 2 0 g n d o u t v c c o u t p u t r l c l 0 . 1 m f v c c
a h920 document number: d s 36768 rev. 2 - 2 2 of 13 www.diodes.com december 2013 ? diodes incorporated a h920 a product line of diodes incorporated p in description s pin number pin name function to - 92s - 3 sot - 23 - 3 1 1 vcc supply voltage 2 3 gnd ground pin 3 2 out output pin functional block diagram h a l l s e n s e c h o p p e r s w i t c h r e f e r e n c e v o l t a g e a m p v c c 1 ( 1 ) o u t 3 ( 2 ) 2 ( 3 ) g n d a ( b ) a f o r t o - 9 2 s - 3 b f o r s o t - 2 3 - 3
a h920 document number: d s 36768 rev. 2 - 2 3 of 13 www.diodes.com december 2013 ? diodes incorporated a h920 a product line of diodes incorporated a bsolute maximum ratings (note 1 ) symbol parameter value unit v cc supply voltage 20 v i cc supply current (fault) 5 ma i out output current (continuous) 25 ma p d power dissipation to - 92s - 3 400 mw sot - 23 - 3 230 t a operation temperature - 50 to + 150 oc t stg storage temperature - 65 to + 150 oc t j (max) maximum junction temperature + 165 oc esd esd (human body model) 6000 v note 1 : st resses greater than those listed under absolute maximum ratings may cause permanent damage to the device. the se are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated under recommended ope rat ing conditions is not implied. exposure to absolute maximum ratings for extended periods may affect device reliability. recommended operating conditions symbol parameter min max unit v cc supply voltage 3.5 20 v t a operating ambient tempera ture - 40 + 125 oc
a h920 document number: d s 36768 rev. 2 - 2 4 of 13 www.diodes.com december 2013 ? diodes incorporated a h920 a product line of diodes incorporated electrical characteristics (@ v cc = 1 2 v, t a = + 25c , unless othe rwise specified .) symbol parameter conditions min typ max unit v cc supply voltage operating 3.5 12 20 v i cc supply current v cc =12v, bb op 3.0 5.0 ma v sat saturation voltage i out =20ma, b>b op 185 500 mv i leakage output leakage current v out =20v, b a h920 document number: d s 36768 rev. 2 - 2 5 of 13 www.diodes.com december 2013 ? diodes incorporated a h920 a product line of diodes incorporated magnetic characteristics (cont.) figure 2. output status vs. magnetic pole package type parameter test condition output to - 92s - 3 south pole b b op low north pole b b rp high sot - 23 - 3 south pole b b op high north pole b b rp low table 1 . output status vs. magnetic pole s o u t h p o l e o u t p u t = l o w ( f o r t o - 9 2 s - 3 ) n o r t h p o l e o u t p u t = h i g h ( f o r t o - 9 2 s - 3 ) s o u t h p o l e o u t p u t = h i g h ( f o r s o t - 2 3 - 3 ) n o r t h p o l e o u t p u t = l o w ( f o r s o t - 2 3 - 3 )
a h920 document number: d s 36768 rev. 2 - 2 6 of 13 www.diodes.com december 2013 ? diodes incorporated a h920 a product line of diodes incorporated magnetic characteristics (cont.) figure 3. magnetic thresholds note 2: b op is determined by putting the device under magnetic field swept from b rp (min) to b op (max) until the output is switched on. note 3: b rp is determined by putting the device under magnetic field swept from b op (max) to b rp (min) until the outp ut is switched off. test circuit and test conditions figure 4. test circuit of ah920 v 1 0 k a h 9 2 0 v c c o u t g n d d c a h 9 2 0 v c c g n d o u t c l 2 0 p f r l o u t p u t v c c 1 v c c 2
a h920 document number: d s 36768 rev. 2 - 2 7 of 13 www.diodes.com december 2013 ? diodes incorporated a h920 a product line of diodes incorporated test circuit and test conditions (cont.) figure 5. test condition of ah920 (supply current) note 4: output initial status is low when powering on. note 5: the supply current i cc represents the average supply current. the output is open during measurement. note 6: the device is put under the magnetic field: bb op. d c a i c c o u t p u t a h 9 2 0 v c c o u t g n d d c v 2 0 m a v s a t o u t p u t 3 . 5 / 2 0 v a h 9 2 0 v c c o u t g n d
a h920 document number: d s 36768 rev. 2 - 2 8 of 13 www.diodes.com december 2013 ? diodes incorporated a h920 a product line of diodes incorporated test circuit and test conditions (cont.) figure 7. test condition of ah920 (output leakage current) note 9: the device is put under the magnetic field: b a h920 document number: d s 36768 rev. 2 - 2 9 of 13 www.diodes.com december 2013 ? diodes incorporated a h920 a product line of diodes incorporated typical performance characteristics (cont.) b op /b rp /b hys vs. v cc b op /b rp /b hys vs. t a v sat vs. i out v sat vs. t a p d vs. t a 5 10 15 20 -20 -10 0 10 20 30 40 50 b op /b rp /b hys (gauss) v cc (v) b op b rp b hys t a =25 o c -25 0 25 50 75 100 125 -20 -10 0 10 20 30 40 b op /b rp /b hys (gauss) t a ( o c) b op b rp b hys v cc =12v 0 5 10 15 20 25 0 20 40 60 80 100 120 140 160 180 v sat (mv) i out (ma) t a =25 o c v cc =12v -25 0 25 50 75 100 125 100 120 140 160 180 200 220 240 v sat (mv) t a ( o c) v cc =5v v cc =12v 0 25 50 75 100 125 150 0 50 100 150 200 250 300 350 400 450 p d (mw) t a ( o c) sot-23-3 to-92s-3
a h920 document number: d s 36768 rev. 2 - 2 10 of 13 www.diodes.com december 2013 ? diodes incorporated a h920 a product line of diodes incorporated ordering information package temperature range part number marking id packing type to - 92s - 3 - 40 to 125c ah920z3 - g1 920 bulk sot - 23 - 3 - 40 to 125c ah920ntr - g1 gs7 tape & reel bcd semiconductor's pb - free products, as designated with "g1" suffix in the part number, are rohs compliant and green. a h 9 2 0 x x x x - x x p a c k i n g p a c k a g e t r : t a p e & r e e l z 3 : t o - 9 2 s - 3 g 1 : g r e e n p r o d u c t n a m e r o h s / g r e e n b l a n k : b u l k n : s o t - 2 3 - 3
a h920 document number: d s 36768 rev. 2 - 2 11 of 13 www.diodes.com december 2013 ? diodes incorporated a h920 a product line of diodes incorporated package outline dimensions (all d imensions in mm (inch) . ) (1) package t ype: to - 92s - 3 p a c k a g e s e n s o r l o c a t i o n 1 . 2 7 0 ( 0 . 0 5 0 ) t y p 1 . 6 0 0 ( 0 . 0 6 3 ) t y p 0 . 7 5 0 ( 0 . 0 3 0 ) t y p 1 . 4 2 0 ( 0 . 0 5 6 ) 1 . 6 2 0 ( 0 . 0 6 4 ) 1 . 2 0 0 ( 0 . 0 4 7 ) 1 . 5 0 0 ( 0 . 0 5 9 ) 1 . 8 5 0 ( 0 . 0 7 3 ) 2 . 1 5 0 ( 0 . 0 8 5 ) 4 4 4 6 3 . 8 5 0 ( 0 . 1 5 2 ) 4 . 1 5 0 ( 0 . 1 6 3 ) 2 . 9 0 0 ( 0 . 1 1 4 ) 3 . 3 1 0 ( 0 . 1 3 0 ) 0 . 3 8 0 ( 0 . 0 1 5 ) 0 . 5 5 0 ( 0 . 0 2 2 ) 0 . 3 6 0 ( 0 . 0 1 4 ) 0 . 4 8 0 ( 0 . 0 1 9 ) 1 4 . 0 0 0 ( 0 . 5 5 1 ) 1 5 . 5 0 0 ( 0 . 6 1 0 ) 0 . 3 6 0 ( 0 . 0 1 4 ) 0 . 5 1 0 ( 0 . 0 2 0 ) ? ?
a h920 document number: d s 36768 rev. 2 - 2 12 of 13 www.diodes.com december 2013 ? diodes incorporated a h920 a product line of diodes incorporated package outline dimensions (all d imensions in mm (inch) . cont. ) (2) package t ype: sot - 23 - 3 2 . 8 2 0 ( 0 . 1 1 1 ) 3 . 1 0 0 ( 0 . 1 2 2 ) 2 . 6 5 0 ( 0 . 1 0 4 ) 3 . 0 0 0 ( 0 . 1 1 8 ) 0 . 9 5 0 ( 0 . 0 3 7 ) t y p 0 . 3 0 0 ( 0 . 0 1 2 ) 0 . 5 0 0 ( 0 . 0 2 0 ) 1 . 5 0 0 ( 0 . 0 5 9 ) 1 . 7 0 0 ( 0 . 0 6 7 ) 1 . 8 0 0 ( 0 . 0 7 1 ) 2 . 0 0 0 ( 0 . 0 7 9 ) 0 . 3 0 0 ( 0 . 0 1 2 ) 0 . 6 0 0 ( 0 . 0 2 4 ) 0 . 1 0 0 ( 0 . 0 0 4 ) 0 . 2 0 0 ( 0 . 0 0 8 ) 0 . 0 0 0 ( 0 . 0 0 0 ) 0 . 1 5 0 ( 0 . 0 0 6 ) 0 . 9 0 0 ( 0 . 0 3 5 ) 1 . 3 0 0 ( 0 . 0 5 1 ) 1 . 4 5 0 ( 0 . 0 5 7 ) m a x . 0 . 2 0 0 ( 0 . 0 0 8 ) 0 8 ? ? 0 . 7 7 0 ( 0 . 0 3 0 ) 1 . 0 7 0 ( 0 . 0 4 2 ) 1 . 2 3 0 ( 0 . 0 4 8 ) 1 . 5 3 0 ( 0 . 0 6 0 ) p a c k a g e s e n s o r l o c a t i o n
a h920 document number: d s 36768 rev. 2 - 2 13 of 13 www.diodes.com december 2013 ? diodes incorporated a h920 a product line of diodes incorporated important notice diodes incorporated makes no warranty of any kind, express or implied, with regards to this document, including, but not limited to, the impl ied warranties of merchantability and fitness for a particular purpose (and their equivalents under the laws of any jurisdiction). diodes incorporated and its subsidiaries reserve the right to make modifications, enhancements, improvements, corrections or other changes without further notice to this document and any product described herein. diodes incorporated does not assume any liability a rising out of the application or use of this document or any product described herein; neither does diodes incorpo rated convey any license under its patent or trademark rights, nor the rights of others. any customer or user of this document or products described herein in such appli cations shall assume all risks of such use and will agree to hold diodes incorporated and all the companies whose products are represented on diodes incorporated website, harmless against all damages. diodes incorporated does not warrant or accept any liability whatsoever in respect of any products purchased through unauthor ized sales ch annel. should customers purchase or use diodes incorporated products for any unintended or unauthorized application, customers shall indemnify and hold diodes incorporated and its representatives harmless against all claims, damages, expenses, and attorney fees arising out of, directly or indirectly, any claim of personal injury or death associated with such unintended or unauthorized application. products described herein may be covered by one or more united states, international or foreign patents pendin g. product names and markings noted herein may also be covered by one or more united states, international or foreign trademarks. this document is written in english but may be translated into multiple languages for reference. only the english version o f this document is the final and determinative format released by diodes incorporated. life support diodes incorporated products are specifically not authorized for use as critical components in life support devices or system s without the express written approval of the chief executive officer of diodes incorporated. as used herein: a. life support devices or systems are devices or systems which: 1. are intended to implant into the body, or 2. support or sustain life and whose failure to perform whe n properly used in accordance with instructions for use provided in the labeling can be reasonably expected to result in significant injury to the user. b. a critical component is any component in a life support device or system whose failure to p erform can be reasonably expected to cause the failure of the life support device or to affect its safety or effectiveness. customers represent that they have all necessary expertise in the safety and regulatory ramifications of their life support devices or systems, and acknowledge and agree that they are solely responsible for all legal, regulatory and safety - related requirements concerning their products and any use of diodes incorporated products in such safety - critical, life support devices or systems, notwithstanding any devices - or systems - related informatio n or support that may be provided by diodes incorporated. further, customers must fully indemnify diodes incorporated and it s representatives against any damages arising out of the use of diodes incorporated products in such safety - critical, life support devices or systems. copyright ? 201 3 , diodes incorporated www.diodes.com

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