AH342 document number: ds30886 rev. 4 - 2 1 of 7 www.diodes.com december 2013 ? diodes incorporated advanced information a h342 active high/low complementary output hall-effect latch description the AH342 is a bipolar latching hall ic with a pair of complementary push/pull outputs. a dual hall element is used to offset stress induced noise and drift. the robust outputs are capable of sourcing up to 7.4ma and sinking up to 4.4ma. the device contains inherent reverse polarity protection up to the full power supply range. features ? digital dual complementary sink/source outputs ? reverse voltage polarity protection for full supply range ? high output current capability ? low profile packages: sip-4l ? lead free package: sip-4l ? lead-free finish; rohs compliant (notes 1 & 2) ? pin assignments 342 12 4 3 1 : vcc 2 : do 3 : dob 4 : vss ( top view ) sip-4l applications ? conveyors ? motor control ? power sensing ? linear or rotary motion detection ? rpm sensing notes: 1. eu directive 2002/95/ec (r ohs) & 2011/65/eu (rohs 2) compliant. all applicable rohs exemptions applied. 2. see http://www.diodes.com/quality/lead_free.html for more in formation about diodes incorporated?s definitions of halogen- a nd antimony-free, "green" and lead-free. pin descriptions pin name p/i/o pin # description v cc p 1 power supply input do o 2 output pin dob o 3 output pin vss p 4 ground pb
AH342 document number: ds30886 rev. 4 - 2 2 of 7 www.diodes.com december 2013 ? diodes incorporated advanced information a h342 functional block diagram 660 510 output amp 7.5v source sink i o voltage regulator hall sensor amp and trigger interface circuit output amp #1 output amp #2 io 1 io 2 absolute maximum ratings (@t a = +25c, unless otherwise specified.) (note 3) symbol parameter rating unit v cc supply voltage 28 v v out voltage externally applied to output -1.2 to +5 v ic output current 10 ma b magnetic flux density unlimited gauss t st storage temperature range -40to +150 c note: 3. absolute maximum ratings are the extreme limit s that the device will withstand wi thout damage to the device. how ever, the electrical and magnetic characteristics ar e not guaranteed as the maximum limit s (above recommended operating conditions ) are approached nor will the device necessarily operate at absolute maximum rating. recommended operating conditions (@t a = +25c, unless otherwise specified.) symbol characteristic conditions min max unit v cc supply voltage operating 4.5 28 v t a operating ambient temperature (note 4) operating -40 +125 c note: 4. shall not exceed p d and safety operation area.
AH342 document number: ds30886 rev. 4 - 2 3 of 7 www.diodes.com december 2013 ? diodes incorporated advanced information a h342 electrical characteristics (@t a = +25c, unless otherwise specified.) (note5,6) symbol characteristic conditions 24c 2c -40c to +125c units min typ max min typ max i cc supply current 28v0.5% supply 4 4.5 6 3 4.5 7 ma o utput voltage v out #1 sourcing switch magnetically operated: no load 28v0.5% supply. switch magnetically released: no load 28v0.5% supply. 6.0 7.0 7.5 - - - v #2 sinking 0 0.1 0.2 - - - #1 sinking 0 0.1 0.2 - - - #2 sourcing 6.0 7.0 7.5 - - - i leak(sink) leakage (sink) apply voltage 0.2v greater than measured output source voltage measure current, no load 28v0.5% supply. - - 1.0 - - 1.0 a o utput current i out #1 sourcing apply 2v to output and measure current. switch magnetically operated, no load 28v0.5%. apply 2v to output and measure current. switch magnetically released, no load 28v0.5%. 5.5 7.4 8.0 5.0 7.4 8.5 ma #2 sinking 2.8 3.4 4.7 2.4 3.4 5.0 #1 sinking 2.8 3.4 4.7 2.4 3.4 5.0 #2 sourcing 5.5 7.4 8.0 5.0 7.4 8.5 o utput switching time tf fall time 90% to 10%; no load 28v0.5% supply - - - - - 1.0 s tr rise time 10% to 90%; no load 28v0.5% supply - - - - - 1.0 magnetic characteristics ( 1mt = 10 gauss ) symbol characteristic 24c 2c v s = 12v dc 0.5%v dc -40c to +125c v s = 4.5v dc to 28v dc unit min max min max bop operate point 40 120 30 150 gauss brp release point -120 -40 -150 -30 gauss bhy hysteresis 120 200 120 200 gauss notes: 5. all the parameters are tested under the 25 o c only. the operation temperature (-40 o c to 125 o c) is guaranteed by design, it is typical value. 6. the magnetic field strength (gauss) required to cause the switch to change state (operate and release) will be as specified in the magnetic characteristics. to test the switch against the specified magnetic characteristics t he switch must be placed in a un iform magnetic field. output voltage in volts output voltage in volts 0 0 magnetic flux density in gauss magnetic flux density in gauss do dob bop bop brp brp b hy turn on turn off b hy turn off turn on v sat v sat
AH342 document number: ds30886 rev. 4 - 2 4 of 7 www.diodes.com december 2013 ? diodes incorporated advanced information a h342 operation characteristics performance characteristics t a ( c) 25 50 60 70 80 85 90 95 100 p d (mw) 550 440 396 352 308 286 264 242 220 t a ( c) 105 110 115 120 125 130 135 140 150 p d (mw) 198 176 154 132 110 88 66 44 0 ? marking side s b hy v sat v cc v d b rp b op 0 s n (magnetic flux density ) do high low (sip-4l) n (output voltage)
AH342 document number: ds30886 rev. 4 - 2 5 of 7 www.diodes.com december 2013 ? diodes incorporated advanced information a h342 ordering information part number package code packaging bulk quantity part number suffix AH342-pl-b p sip-4 1000 -b AH342-p-b p sip-4 1000 -b marking information
AH342 document number: ds30886 rev. 4 - 2 6 of 7 www.diodes.com december 2013 ? diodes incorporated advanced information a h342 package outline dimensions (all dimensions in mm.) (1) package type: sip-4l a e d j f l 1 b 1 e 1 l c a 4 2 x a 3 2 x a 1 2 x a 2 2 x s b 2 0 . 3 x 4 5 2 x sip-4 dim min max typ a 1.45 1.65 1.55 b1 0.38 0.44 0.40 b2 - - 0.48 c 0.35 0.45 0.40 d 5.12 5.32 5.22 e1 1.24 1.30 1.27 e 3.55 3.75 3.65 f 0.00 0.20 - j 4.10 4.30 4.20 l 14.00 14.60 14.30 l1 1.32 1.52 1.42 s 0.63 0.83 0.73 a1 - 5 3 a2 4 7 5 a3 4 7 5 a4 - 5 3 all dimensions in mm
AH342 document number: ds30886 rev. 4 - 2 7 of 7 www.diodes.com december 2013 ? diodes incorporated advanced information a h342 important notice diodes incorporated makes no warranty of any kind, express or implied, with regards to this document, including, but not limited to, the implied warranties of merchantability and fitness for a particular purpose (and their equivalents under the laws of any jurisdiction). diodes incorporated and its subsidiaries rese rve the right to make modifications, enhanc ements, improvements, corrections or ot her changes without further notice to this document and any product descri bed herein. diodes incorporated does not assume any liability ari sing out of the application or use of this document or any product described herein; neither does diodes incorporated 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 applica tions 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 w hatsoever in respect of any products purchased through unauthoriz ed sales channel. should customers purchase or use diodes inco rporated products for any unintended or una uthorized application, customers shall i ndemnify and hold diodes incorporated and its representativ es harmless against all claims, damages, expenses, and attorney fees arising out of, directly or indirectly, any claim of personal injury or death a ssociated with such unintended or unauthorized application. products described herein may be covered by one or more united states, international or foreign patents pending. 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 of t his document is the final and determinative format released by diodes incorporated. life support diodes incorporated products are specifically not authorized for use as critical com ponents in life support devices or systems without the express written approval of the chief executive offi cer of diodes incorporated. as used herein: a. life support devices or syst ems are devices or systems which: 1. are intended to implant into the body, or 2. support or sustain life and whose failure to perform when proper ly 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 devic e or system whose failure to perform can be reasonably expect ed 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 ramifi cations of their life support dev ices or systems, and acknowledge and agree that they are solely responsible for all legal, regulatory and safety-rel ated requirements concerning the ir products and any use of diodes incorporated products in such safety-critical, life support devices or systems, notwithstanding any devices- or s ystems-related information or support that may be provided by diodes incorporated. further, customers must fully indemnify diodes incorporate d and its representatives against any damages arisi ng out of the use of diodes incorporated pr oducts in such safety-critical, life suppor t devices or systems. copyright ? 2013, diodes incorporated www.diodes.com
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