View US5682_8698578.PDF datasheet online --- IC-ON-LINE

Datasheet File OCR Text:

us5 68 2 unipolar hall switch C high sensitivity inverted output 3901005 6 8 2 page 1 of 11 data s heet rev 00 6 jan/1 5 features and benefits ? wide operating voltage range from 3.5v to 24v ? high sensitivity ? cmos technology ? chopper - stabilized amplifier stage ? low current consumption ? open drain output ? inverted output ? thin sot23 3l rohs compliant package application examples ? automotive, consumer and industrial ? solid - state switch ? interrupter ? current detector ? proximity detection ordering information product code temperature code package code option code packing form code us568 2 e, k se aaa - 0 00 re legend : temperature code: e ( - 40c to 8 5 c) k ( - 40c to 1 25 c) package code: se = tsot - 23l option code: a a a - 000 packing form: re = reel ordering example: us568 2 ese - aaa - 000 - re 1 functional diagram 2 general description the melexis us 5 68 2 is a unipolar h all - e ffect switch designed in m ixed signal cmos technology. the device integrat e s a voltage regulator, hall sensor with advanced correlated double sampling (cds) offset cancellation system and a n open - drain output driver, all in a single package. thanks to its wide operating voltage range and temperature range, it is suitable for use in automotive and solid state switch applications. the device is delivered in a thin small outline transistor (tsot) 3 - lead rohs compliant package . v o l t a g e r e g u l a t o r v d d g n d o u t d a m p h a l l p l a t e e s d p r o t e c t i o n e s d p r o t e c t i o n t e m p e r a t u r e c o m p e n s a t i o n d i d o c o m p r e f e r e n c e o s c i l l a t o r a n d b i a s d i g p o r
us5 68 2 unipolar hall switch C high sensitivity inverted output 3901005 6 8 2 page 2 of 11 data s heet rev 00 6 jan/1 5 table of contents 1 functional diagram ................................ ................................ ................................ ........ 1 2 general description ................................ ................................ ................................ ........ 1 3 glossa ry of terms ................................ ................................ ................................ .......... 3 4 absolute maximum ratings ................................ ................................ ........................... 3 5 pin definitions and descriptions ................................ ................................ ................... 3 6 general electrical specifications ................................ ................................ .................. 4 7 magnetic specifications ................................ ................................ ................................ . 4 8 output behaviour versus magnetic pole ................................ ................................ ...... 5 9 detailed general description ................................ ................................ ......................... 5 10 unique features ................................ ................................ ................................ ............ 5 11 performance graphs ................................ ................................ ................................ .... 6 12 test conditions ................................ ................................ ................................ ............. 7 13 application information ................................ ................................ ................................ 8 13 .1 typical three - wire application circuit ................................ ................................ ...... 8 13.2 two - wire circuit ................................ ................................ ................................ ....... 8 13.3 aut omotive and harsh, noisy environments three - wire circuit ............................... 8 14 application comments ................................ ................................ ................................ . 8 15 standard information regarding manufacturability of melexis products with different soldering processes ................................ ................................ ........................... 9 16 e sd precautions ................................ ................................ ................................ ........... 9 17 se package information (tsot - 3l) ................................ ................................ ........... 10 18 disclaimer ................................ ................................ ................................ .................... 11
us5 68 2 unipolar hall switch C high sensitivity inverted output 3901005 6 8 2 page 3 of 11 data s heet rev 00 6 jan/1 5 3 glossary of terms millitesla (mt), gauss units of magnetic flux density: 1mt = 10 gauss rohs restriction of hazardous substances tsot thin s mall o utline t ransistor (tsot package ) C also referred with the melexis package code se esd electro - static discharge 4 absolute maximum r atings parameter symbol value units supply voltage v dd 2 8 v supply current i dd 50 ma output voltage v out 2 8 v output current i out 50 ma operating temperature range t a - 40 to 8 5 ? c storage temperature range t s - 50 to 150 ? c maximum junction temperature t j 165 ? c table 1 : a bsolute maximum ratings exceeding the absolute maximum ratings may cause permanent damage. exposure to absolute - maximum - rated conditions for extended periods may affect device reliability. 5 p in d efinitions and d escriptions pin name type function 1 vdd supply supply voltage pin 2 out output open drain output pin 3 gnd ground ground pin table 2 : p in definitions and descriptions
us5 68 2 unipolar hall switch C high sensitivity inverted output 3901005 6 8 2 page 4 of 11 data s heet rev 00 6 jan/1 5 6 general electrical specifications dc operating parameters t a = 25 o c, v dd = 12 v (unless otherwise specified) parameter symbol test conditions min typ max units supply voltage v dd operating 3.5 24 v supply current i dd b < b rp 0.5 2.5 5 ma output saturation voltage v dson i out = 20ma, b < b r p 0.3 0.5 v output leakage current i off b > b o p, v out = 24 v 0.01 10 ? a output rise time t r r l = 1k ? , c l = 20pf 0. 25 ? s output fall time t f r l = 1k ? , c l = 20pf 0. 25 ? s maximum switching frequency f sw 5 khz power - on time 1 t on 100 ? s package thermal resistance r th single layer (1s) jedec board 301 c/w table 3 : electrica l specifications 1 the power - on time represents the time from reaching the power - on reset level to the first refresh of the output (first valid output state).value according simulation only, not subject to production test. 7 magnetic specifications dc operating parameters t a = 25 o c, v dd = 12 v (unless otherwise specified) parameter symbol test conditions min typ max units operating point b op 3.8 5.5 7.2 mt release point b rp 2 3.5 5 mt hysteresis b hyst 1.5 2 2.7 mt table 4 : magnetic specifications dc operating parameters t a = - 40 o c to 125 o c (k - version), ta = - 40 o c to 8 5 o c (e - version) , vdd = 12v parameter symbol test conditions min typ max units operating point bop 3.4 7.7 mt release point brp 1.8 5.4 mt hysteresis bhyst 1 2.8 mt table 5 : magnetic specifications
us5 68 2 unipolar hall switch C high sensitivity inverted output 3901005 6 8 2 page 5 of 11 data s heet rev 00 6 jan/1 5 8 output behaviour versus magnetic pole dc operating parameters t a = - 40 o c to 12 5 o c, v dd = 3.5v to 24 v (unless otherwise specified) parameter test conditions out south pole b > b op high null or weak magnetic field b ? 0 or b < b rp low north pole b > b op low table 6 : output behaviour versus magnetic pole 9 detai led general description based on mixed signal cmos technology, melexis us 5 6 8 2 is a hall - effect device with high magnetic sensitivity and inverted output . its sensitivity enables high accuracy in position sensing by the use of small air gap. the correlated double sampling (cds) technique suppress es the offset generally observed with hall sensors and amplifier s . the cmos technology makes this advanced technique possible and contributes to smaller chip size and lower current consumption than bipolar technology. the s mall chip size is also a n important factor to minimize the effect of physical stres s . this combination results in more accurate and stable magnetic characteristics , and enables faster and more precise design. the wide operating voltage from 3.5v to 24v a nd low current consumption make this device especially suitable for solid state switch applications. the output signal is open - drain type. such output allows simple connectivity with ttl or cmos logic by using a pull - up resistor tied between a pull - up voltage and the device output. 10 unique features the us 5 68 2 exhibits unipolar magneti c switching characteristics. therefore, it operates only with one magnetic pole . unipolar switch characteristic the us5 68 2 device is inverted output, south pole active: applying a south magnetic pole greater than b op facing the branded side of the package switches the output high . removing the magnetic field (b ? hyst keeps b op and b rp separated by a minimal value. this hysteresis prevents output oscillation near the switching point. out = high ( pu ) o u t = h i g h f l u x d e n s i t y o u t p u t l e v e l b o p b r p 0 m t o u t s w i t c h e s t o l o w o u t = l o w o u t s w i t c h e s t o h i g h
us5 68 2 unipolar hall switch C high sensitivity inverted output 3901005 6 8 2 page 6 of 11 data s heet rev 00 6 jan/1 5 11 performance graphs 11.1 magnetic parameters vs. t a 11.2 magnetic parameters vs. v dd 11.3 v dson vs. t a 11.4 v dson vs. v dd 11.5 i dd vs. t a 11.6 i dd vs. v dd 0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5 5.5 6 6.5 7 7.5 -40 -30 -20 -10 0 10 20 30 40 50 60 70 80 90 t a ( o c) magnetic field (mt) bop, vdd=3.5v bop, vdd=24v brp, vdd=24v brp, vdd=3.5v bhys, vdd=24v bhys, vdd=3.5v 0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5 5.5 6 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 vdd (volts) magnetic field(mt) bop, ta=25oc bop, ta=85oc brp, ta=25oc brp, ta=85oc bhys, ta=25oc bhys, ta=85oc 0 0.05 0.1 0.15 0.2 0.25 0.3 -40 -30 -20 -10 0 10 20 30 40 50 60 70 80 90 ta ( o c) vdson (volts) vdd=3.5v vdd=12v vdd=24v 0 0.05 0.1 0.15 0.2 0.25 0.3 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 vdd (volts) vdson (volts) ta=-40oc ta=25oc ta=85oc 0 0.5 1 1.5 2 2.5 3 3.5 4 -40 -30 -20 -10 0 10 20 30 40 50 60 70 80 90 ta ( o c) idd (ma) vdd=3.5v vdd=12v vdd=24v 0 0.5 1 1.5 2 2.5 3 3.5 4 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 vdd (volts) idd (ma) ta=-40oc ta=25oc ta=85oc
us5 68 2 unipolar hall switch C high sensitivity inverted output 3901005 6 8 2 page 7 of 11 data s heet rev 00 6 jan/1 5 11.7 i off vs. t a 11.8 i off vs. v dd 12 test conditions note : dut = device under test 12.1 supply current 12.2 output saturation voltage 12.3 output leakage current 12.4 magnetic thresholds d u t o u t g n d v d d a v d d n o t e 1 - t h e s u p p l y c u r r e n t i d d r e p r e s e n t s t h e s t a t i c s u p p l y c u r r e n t . o u t i s l e f t o p e n d u r i n g m e a s u r e m e n t . n o t e 2 - t h e d e v i c e i s p u t u n d e r m a g n e t i c f i e l d w i t h b < b r p . i d d d u t o u t g n d v d d v d d 3 . 5 / 2 4 v n o t e 1 - t h e o u t p u t s a t u r a t i o n v o l t a g e v d s o n i s m e a s u r e d a t v d d = 3 . 5 v a n d v d d = 2 4 v . n o t e 2 - t h e d e v i c e i s p u t u n d e r m a g n e t i c f i e l d w i t h b < b r p . 2 0 m a v v d s o n d u t o u t g n d v d d v d d n o t e 1 - t h e d e v i c e i s p u t u n d e r m a g n e t i c f i e l d w i t h b > b o p a 2 4 v i o f f d u t o u t g n d v d d v d d n o t e 1 - b o p i s d e t e r m i n e d b y p u t t i n g t h e d e v i c e u n d e r m a g n e t i c f i e l d s w e p t f r o m b r p m i n u p t o b o p m a x u n t i l t h e o u t p u t i s s w i t c h e d o n . n o t e 2 - b r p i s d e t e r m i n e d b y p u t t i n g t h e d e v i c e u n d e r m a g n e t i c f i e l d s w e p t f r o m b o p m a x d o w n t o b r p m i n u n t i l t h e o u t p u t i s s w i t c h e d o f f . v 1 0 k o h m s 0 0.02 0.04 0.06 0.08 0.1 0.12 0.14 0.16 0.18 0.2 -40 -30 -20 -10 0 10 20 30 40 50 60 70 80 90 ta ( o c) ioff (a) vdd=3.5v vdd=12v vdd=24v 0 0.02 0.04 0.06 0.08 0.1 0.12 0.14 0.16 0.18 0.2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 vdd (volts) ioff (a) ta=-40oc ta=25oc ta=85oc
us5 68 2 unipolar hall switch C high sensitivity inverted output 3901005 6 8 2 page 8 of 11 data s heet rev 00 6 jan/1 5 13 application information 14 application comments for proper operation, a 100nf bypass capacitor should be placed as close as possible to the device between the v dd and ground pin . for reverse v olt age protection, it is recommended to connect a resistor or a diode in series with the v dd pin. when using a resistor, three points are important: - t he resistor has to limit the reverse current to 50ma maximum (v cc / r1 ? 50ma) - the resulting device supply voltage v dd has to be higher than v dd min (v dd = v cc C r1.i dd ) - the resistor has to withstand the power dissipated in reverse voltage condition (p d = v cc 2 / r1) when using a diode, a reverse current cannot flow and t he voltage drop is almost constant ( ? 0.7v). therefore, a 100 ? /0.25w resistor for 5v application and a diode for higher supply voltage are recommended. both solutions provide the required reverse voltage protection. when a weak power supply is used or when the device is intended to be used in noisy environment, it is recommended that figure 1 3 .3 from the applicati on information section is used. the low - pass filter formed by r1 and c1 and the zener diode z1 bypass the distu rbances or voltage spikes occurring on the device supply voltage v dd . the diode d1 provides additional reverse voltage protection . 13.1 typical three - wire application circuit 13.2 two - wire circuit note: with this circuit, precise on and off currents can be detected using only two connecting wires. the resistors rl and rb can be used to bias the input current. refer to the part specifications for limiting values. b rp : i off = i r + i dd = v dd /r b + i dd b op : i on = i off + i out = i off + v dd /r l 13.3 automotive and harsh, noisy environment s three - wire circuit c 1 1 0 0 n f v d d v s s o u t c 2 4 . 7 n f r p u 1 0 k v c c v o u t r b r l * i d d i i n i r i o u t v d d v d d v s s o u t c 1 1 0 0 n f v d d v s s o u t c 2 4 . 7 n f r p u 1 0 k v c c v o u t r 1 1 0 0 o h m s z 1 d 1
us5 68 2 unipolar hall switch C high sensitivity inverted output 3901005 6 8 2 page 9 of 11 data s heet rev 00 6 jan/1 5 15 standard information regarding manufacturability of melexis products with different soldering processe s our products are classified and qualified regarding soldering technology, solderability and moisture sensitivity level according to following test methods: reflow soldering smds ( s urface m ount d evices) ? ipc/jedec j - std - 020 moisture/reflow sensitivity cla ssification for nonhermetic solid state surface mount devices (classification reflow profiles according to table 5 - 2) ? eia/jedec jesd22 - a113 preconditioning of nonhermetic surface mount devices prior to reliability testing (reflow profiles according to tab le 2) wave soldering smds ( s urface m ount d evices) and thds ( t hrough h ole d evices) ? en60749 - 20 resistance of plastic - encapsulated smds to combined effect of moisture and soldering heat ? eia/jedec jesd22 - b106 and en60749 - 15 resistance to soldering temper ature for through - hole mounted devices iron soldering thds ( t hrough h ole d evices) ? en60749 - 15 resistance to soldering temperature for through - hole mounted devices solder ability smds ( s urface m ount d evices) and thds ( t hrough h ole d evices) ? eia/jedec jesd22 - b102 and en60749 - 21 solderability for all soldering technologies deviating from above mentioned standard conditions (regarding peak temperature, temperature gradient, temperature profile etc) additional classification and qualification tests have t o be agreed upon with melexis. the application of wave soldering for smds is allowed only after consulting melexis regarding assurance of adhesive strength between device and board. melexis is contributing to global environmental conservation by promot ing lead free solutions. for more information on qualifications of rohs compliant products (rohs = european directive on the restriction of the use of certain hazardous substances) please visit the quality page on our website: http://www.melexis.com/quality.asp 16 e sd precautions electronic semiconductor products are sensitive to electro static discharge (esd). always observe electro static discharge control procedures whenever hand ling semiconductor products.
us5 68 2 unipolar hall switch C high sensitivity inverted output 3901005 6 8 2 page 10 of 11 data s heet rev 00 6 jan/1 5 17 se package information (tsot - 3l) 2 . 7 5 b s c 1 . 6 0 b s c 1 . 9 0 b s c 2 . 9 0 b s c 0 . 3 0 0 . 4 5 0 . 8 8 + 0 . 0 2 - 0 . 0 3 1 . 1 0 m a x 0 . 9 5 b s c 0 . 0 7 5 + 0 . 0 2 5 - 0 . 0 5 0 s e a t i n g p l a n e 0 . 5 7 5 r e f . 0 . 4 0 + / - 0 . 1 0 0 . 5 0 b s c 0 . 1 2 7 + 0 . 0 2 3 - 0 . 0 0 7 0 . 1 5 0 . 2 0 w i t h p l a t i n g ~ b a s e m e t a l s e c t i o n b - b b b n o t e s : 1 . a l l d i m e n s i o n s a r e i n m i l l i m e t e r s 2 . o u t e r m o s t p l a s t i c e x t r e m e w i d t h d o e s n o t i n c l u d e m o l d f l a s h o r p r o t r u s i o n s . m o l d f l a s h a n d p r o t r u s i o n s s h a l l n o t e x c e e d 0 . 1 5 m m p e r s i d e . 3 . o u t e r m o s t p l a s t i c e x t r e m e l e n g t h d o e s n o t i n c l u d e m o l d f l a s h o r p r o t r u s i o n s . m o l d f l a s h a n d p r o t r u s i o n s s h a l l n o t e x c e e d 0 . 2 5 m m p e r s i d e . 4 . t h e l e a d w i d t h d i m e n s i o n d o e s n o t i n c l u d e d a m b a r p r o t r u s i o n . a l l o w a b l e d a m b a r p r o t r u s i o n s h a l l b e 0 . 0 7 m m t o t a l i n e x c e s s o f t h e l e a d w i d t h d i m e n s i o n a t m a x i m u m m a t e r i a l c o n d i t i o n . 5 . d i m e n s i o n i s t h e l e n g t h o f t e r m i n a l f o r s o l d e r i n g t o a s u b s t r a t e . 6 . d i m e n s i o n o n s e c t i o n b - b a p p l i e s t o t h e f l a t s e c t i o n o f t h e l e a d b e t w e e n 0 . 0 8 m m a n d 0 . 1 5 m m f r o m t h e l e a d t i p . 7 . f o r m e d l e a d s h a l l b e p l a n a r w i t h r e s p e c t t o o n e a n o t h e r w i t h 0 . 0 7 6 m m a t s e a t i n g p l a n e . m a r k i n g : t o p s i d e : w y w w w = p a r t n u m b e r ( u s 5 6 8 2 ) y = l a s t d i g i t o f y e a r w w = c a l e n d a r w e e k s e e n o t e 2 s e e n o t e 3 s e e n o t e 5 h a l l p l a t e l o c a t i o n n o t e s : 1 . a l l d i m e n s i o n s a r e i n m i l l i m e t e r s p a c k a g e l i n e 1 2 r e f . t y p . 0 . 3 5 + 0 . 0 5 - 0 . 1 0 0 . 3 0 0 . 4 5 0 . 1 0 r . m i n . 0 . 2 0 4 + / - 4 0 . 1 0 r . m i n . s e e n o t e 6 s e a t i n g p l a n e t o p v i e w t o p v i e w 0 . 2 7 5 t y p e n d v i e w e n d v i e w s i d e v i e w 1 . 4 1 7 + / - 0 . 0 5 0 . 8 9 1 + / - 0 . 0 5
us5 68 2 unipolar hall switch C high sensitivity inverted output 3901005 6 8 2 page 11 of 11 data s heet rev 00 6 jan/1 5 18 disclaimer devices sold by melexis are covered by the warranty and patent indemnification provisions appearing in its term of sale. melexis makes no warranty, express, statutory, implied, or by description regarding the information set forth herein or regarding the freedom of the described devices from patent infringement. melexis reserves the right to change specifications and prices at any time and without notice. therefore, prior to designing this product into a system, it is necessary to check with melexis for current information. this product is intended for use in normal commercial applications. applications requiring extended temperatur e range, unusual environmental requirements, or high reliability applications, such as military, medical life - support or life - sustaining equipment are specifically not recommended without additional processing by melexis for each application. the informat ion furnished by melexis is believed to be correct and accurate. however, melexis shall not be liable to recipient or any third party for any damages, including but not limited to personal injury, property damage, loss of profits, loss of use, interrupt of business or indirect, special incidental or consequential damages, of any kind, in connection with or arising out of the furnishing, performance or use of the technical data herein. no obligation or liability to recipient or any third party shall arise or flow out of melexis rendering of technical or other services. ? 2014 melexis nv. all rights reserved. for the latest version of this document, go to our website at www.melexis.com or for additional information contact melexis direct: europe, africa: americas: asia: phone: +32 1367 0495 phone: +1 248 - 306 - 5400 phone: +32 1367 0495 e - mail: sales_europe@melexis.com e - mail: sales_usa@melexis.com e - mail: sales_asia@melexis.com iso/ts 16949 and iso14001 certified

▲Up To Search▲

Price & Availability of US5682

	To Download US5682 Datasheet File
If you can't view the Datasheet, Please click here to try to view without PDF Reader .