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il610 IL611 il612 il613 il614 isoloop? is a registered trademark of nve corporation. *u.s. patent number 5,831, 426; 6,300,617 and others. isb-ds-001-il612-a, january 20, 2005 nve corp., 11409 valley view road, eden prairie, mn 55344-3617, u.s.a. telephone: 952-829-9217, fax 952-829-9189, www.isoloop.com ? 2005 nve corporation passive input digital isolators functional diagram features ? 40 mbps data rate ? very wide input voltage range ? open drain or cmos outputs ? failsafe output (logic high output for zero coil current ) ? output enable ? 3.3 v or 5 v power supply ? 2500 v rms isolation (1 minute) ? low power dissipation ? -40c to 85c temperature range ? 20 kv/s typical common mode rejection ? ul1577 & iec61010 approval (pending) ? available in msop, soic, and pdip packages and as bare die applications ? can bus/ device net ? general purpose opto replacement ? wired-or alarms ? spi interface ? i 2 c ? rs 485, rs422, rs232 ? digital fieldbus ? size critical multi-channel applications description the il600 series are isolated signal couplers with cmos or open drain transistor outputs wh ich can be used to replace opto-couplers in many standard isolation functions. the devices are manufactured with nve?s patented isoloop ? gmr sensor technology giving exceptionally small size and low power dissipation. a single resistor is used to set maximum input current for input voltages above 0.5 v. the devices are available in soic, pdip and msop packages and as bare die. .com .com .com
il610 IL611 il612 il613 il614 2 absolute maximum ratings (1) parameters symbol min. typ. max. units test conditions storage temperature t s -55 150 c ambient operating temperature t a -55 125 c supply voltage v dd -0.5 7 v input current i in -25 25 ma output voltage v o -0.5 v cc +0.5 v maximum output current i o -10 10 ma esd 2 kv hbm recommended operating conditions parameters symbol min. typ. max. units test conditions ambient operating temperature t a -40 85 c supply voltage v dd 3.0 5.5 v input current i in 0 10 ma output current i out -4 4 ma open drain reverse voltage v sd -0.5 v open drain voltage v ds 6.5 v open drain load current i od 4 ma input signal rise and fall times t ir , t if 50 ms common mode input voltage v cm 400 v ac rms insulation specifications parameters symbol min. typ. max. units test conditions creepage distance (external) msop 3.010 mm 0.15?? soic 4.026 mm 0.30?? soic 8.077 mm 0.30?? pdip 7.077 mm internal isolation distance 9 m leakage current 0.2 a rms 240 v rms , 60 hz barrier impedance >10 14 ||7 ? || pf safety & approvals iec61010-1 tuv certificate numbers: approval pending classification model package pollution degree material group max. working voltage il610-1, il610a-1, IL611-1, IL611a-1 msop ii iii 100 v rms il610-2, il610a-2, IL611-2, IL611a-2, il612-2, il612a-2 pdip ii iii 300 v rms il613, il614 soic (0.3") ii iii 300 v rms il610-3, il610a-3, IL611-3, IL611a-3, il612-3, il612a-3 il613-3, il614-3 soic (0.15") ii iii 150 v rms ul 1577 component recognition program. file #: approval pending rated 2500v rms for 1 minute (soic, pdip), 1000v rms for 1 minute (msop) electrostatic discharge sensitivity this product has been tested for electrostatic sensitivity to th e limits stated in the specifica tions. however, nve recommends that all integrated circuits be handled with appropriate care to avoid damage. damage caused by inappropr iate handling or storage could range from performance degradation to complete failure. .com .com .com .com
il610 IL611 il612 il613 il614 3 il610 and il610a pin connections 1 nc no internal connection 2 in+ coil connection 3 in- coil connection 4 nc no internal connection 5 gnd ground return for v dd 6 out data out 7 v oe output enable. internally held low with 100 k ? 8 v dd supply voltage il610 il610a IL611 and IL611a pin connections 1 in 1 + channel 1 coil connection 2 in 1 - channel 1 coil connection 3 in 2 + channel 2 coil connection 4 in 2 - channel 2 coil connection 5 gnd ground return for v dd 6 out 2 data out channel 2 7 out 1 data out channel 1 8 v dd supply voltage IL611 IL611a il612 and il612a pin connections 1 in 1 data in, channel 1 2 v dd 1 supply voltage 1 3 out 2 data out, channel 2 4 gnd 1 ground return for v dd1 5 gnd 2 ground return for v dd2 6 in 2 data in, channel 2 7 v dd 2 supply voltage 2 8 out 1 data out, channel 1 il612 il612a il613 pin connections 1 in 1 + channel 1 coil connection 2 * internally connected to pin 8 3 in 1 - channel 1 coil connection 4 in 2 + channel 2 coil connection 5 in 2 - channel 2 coil connection 6 in 3 + channel 3 coil connection 7 in 3 - channel 3 coil connection 8 * internally connected to pin 2 9 gnd ground return for v dd (internally connected to pin 15) 10 out 3 data out channel 3 11 nc no connection 12 v dd supply voltage. pin 12 and pin 16 must be connected externally 13 out 2 data out channel 2 14 out 1 data out channel 1 15 gnd ground return for v dd (internally connected to pin 9) 16 v dd supply voltage. pin 12 and pin 16 must be connected externally il613 * pins 2 and 8 internally connected ** pins 9 and 15 internally connected .com .com .com .com
il610 IL611 il612 il613 il614 4 il614 pin connections 1 v dd1 supply voltage 1 2 gnd 1 ground return for v dd1 (internally connected to pin 8) 3 out 1 data out channel 1 4 re channel 1 data output enable. internally held low with 100 k ? 5 in 2 data in channel 2 6 v coil supply connection for channel 2 and channel 3 coils 7 in 3 data in channel 3 8 gnd 1 ground return for v dd1 (internally connected to pin 2) 9 gnd 2 ground return for v dd2 (internally connected to pin 15) 10 out 3 data out channel 3 11 nc no connection 12 v dd2 supply voltage 2 13 out 2 data out channel 2 14 in 1 + coil connection 15 gnd 2 ground return for v dd2 (internally connected to pin 9) 16 in 1 - coil connection il614 * pins 2 and 8 internally connected ** pins 9 and 15 internally connected .com .com .com .com
il610 IL611 il612 il613 il614 5 electrical specifications electrical specifications are t min to t max unless otherwise stated. parameters symbol min. typ. max. units test conditions coil input impedance z coil 47||8 55||9 67||10 ? ||nh t amb = 25c temperature coeff of coil resistance tc r coil 0.16 0.165 ? /c input threshold for logic high i in h 2 ma input threshold for logic low i in l 10 ma quiescent current il610, i dd1 il610, i dd2 IL611, i dd1 IL611, i dd2 il612, i dd1 il612, i dd2 il613, i dd1 il613, i dd2 il614, i dd1 il614, i dd2 2 4 2 2 6 2 4 0 3 0 6 3 3 0 9 3 6 a ma a ma ma ma a ma ma ma v dd = 5 v, i in =0 quiescent current il610, i dd1 il610, i dd2 IL611, i dd1 IL611, i dd2 il612, i dd1 il612, i dd2 il613, i dd1 il613, i dd2 il614, i dd1 il614, i dd2 1.3 2.6 1.3 1.3 4 1.3 2.6 0 2 0 4 2 2 0 6 2 4 a ma a ma ma ma a ma ma ma v dd = 3.3 v, i in =0 v dd -0.1 v dd v i o = -20 a logic high output voltage (4) v oh v dd v dd -0.5 i o = -4 ma 0 0.1 v i o = 20 a logic low output voltage v ol 0.5 0.8 i o = 4 ma logic output current i o 4 7 ma switching specifications cmos outputs data rate 40 mbps 50% duty cycle minimum pulse width pw 25 ns 50% points, vo propagation delay input to output (high to low) t phl 20 25 ns c l = 15 pf, i coil = 10 ma propagation delay input to output (low to high) t plh 20 25 ns c l = 15 pf, i coil = 10 ma average propagation delay drift 50 ps/c pulse width distortion |t phl -t plh | (2) pwd 7 10 ns c l = 15 pf propagation delay skew (3) t psk 10 20 ns c l = 15 pf output rise time (10-90%) t r 2 4 ns c l = 15 pf output fall time (10-90%) t f 2 4 ns c l = 15 pf common mode transient immunity |cm h |,|cm l | 15 20 kv/ s v t = 300 v peak switching specifications open drain outputs parameters symbol min. typ. max. units test conditions data rate 10 mbps 50% duty cycle, r pullup = 1 k ? minimum pulse width pw 100 ns 50% duty cycle, r pullup = 1 k ? propagation delay input to output (high to low) t phl 20 25 ns c l = 2 k ? || 15 pf propagation delay input to output (low to high) t plh 50 75 ns c l = 2 k ? || 15 pf common mode transient immunity |cm h |,|cm l | 15 20 kv/ s v t = 300 v peak .com .com .com .com
il610 IL611 il612 il613 il614 6 notes: 1. absolute maximum ambient operating te mperature means the device will not be da maged if operated under these conditions. it does not guarantee performance. 2. pwd is defined as |t phl - t plh |. %pwd is equal to the pwd divided by the pulse width. 3. t psk is equal to the magnitude of the worst case difference in t phl and/or t plh that will be seen between units at 25c. 4. the term v dd refers to the supply voltage on the output side of the isolated channel. .com .com .com .com
il610 IL611 il612 il613 il614 7 operation the il600 series are current mode devices. changes in current flow into the input coil result in logic state changes at the output. one of the great advantages of the passive coil input is that both single ended and differential inputs can be handled without the need for reverse bias protection. the internal gmr sensor switches the output to logic low if current flows from (in-) to (in+) . only a single resistor is required to limit the input coil to the recommended 10 ma. this allows large input voltages to be used since there is no semiconductor structure on the input. the absolute maximum current through the coil of the il600 series is 25 ma dc. however, it is important to limit input current to levels well below this in all applications. the worst case logic threshold current is 10 ma. while typical threshold currents are substantially less than this, nve recommends designing a 10 ma logic threshold current in each application. in all cases, the current must flow from in- to in+ in the coil to switch the output low. this is true regardless of true or inverted data configurations. output logic high is the zero input current state. figure 1 shows the response of the il600 series. the gmr bridge structure is designed such that the output of the isolator is logic high when no field signal is present. the output will switch to the low state with 10 ma of coil current and the output will switch back to the high state when the input current falls below 2 ma. this allows glitch- free interface with low slew rate signals. figure 1. il600 series transfer function to calculate the value of the protection resistor (r1) required, use ohm?s law as shown in the examples below. it should be noted that we are concerned only with the magnitude of the voltage across the coil. the absolute values of v in high and v in low are arbitrary. figure 2. series resistor calculation equivalent circuit. example 1 . in this case, t nom = 25oc, v in high is 24 v, v in low is 1.8 v, and i coil minimum is specified as 10 ma. total loop resistance is ? 5 = ) ? ( = ? = ? = = + 214 ? 55 2220 r1 therefore, 2220 0.01 22.2 i low) v - high (v ) r (r1 coil in in coil example 2 . at a maximum operating temperature of 85c, t max = 85oc, t nom = 25oc, v in high = 5 v, v in low = 0 v, and nominal r coil = 55 ? . at t max = 85oc () ? = ? = = ? = + = + = ) ? ( + = 435 65 0.01 0 - 5 r - i low) v - high (v r1 is resistor series d recommende the therefore, 65 9 . 9 55 165 . 0 25 - 85 55 tcr t t 55 r coil coil in in coil min max coil allowance should also be made for the temperature coefficient of the current limiti ng resistor to ensure that i coil is 10 ma at maximum operating temperature. power supplies it is recommended that 47 nf ceramic capacitors be used to decouple the power supplies. the capacitors must be placed as close as possible to v dd for proper operation. .com .com .com .com
il610 IL611 il612 il613 il614 8 application diagrams can bus rs232 .com .com .com .com
il610 IL611 il612 il613 il614 9 i 2 c single phase power control .com .com .com .com
il610 IL611 il612 il613 il614 10 inverting and non-inverting circuits differential to single ended conversion .com .com .com .com
il610 IL611 il612 il613 il614 11 package drawings, dimensions and specifications 8-pin msop package 8-pin soic package 8-pin pdip package .com .com .com .com
il610 IL611 il612 il613 il614 12 0.15" 16-pin soic 0.30" 16-pin soic .com .com .com .com
il610 IL611 il612 il613 il614 13 ordering information and valid part numbers. .com .com .com .com
il610 IL611 il612 il613 il614 14 about nve an iso 9001 certified company nve corporation is a high tec hnology components manufacturer having the unique capability to combine leading edge giant magnetoresistive (gmr) materials with integrated circuits to make high performance electroni c components. products include magnetic field sensors, magnetic field gradie nt sensors (gradiometer), digital magnetic field sensors, digital signal isolators and isolated bus transceivers. nve is a leader in gmr research and in 1994 introduced the wo rld?s first products using gmr ma terial, a line of gmr magnetic field sensors that can be used for position, magne tic media, wheel speed and current sensing. nve is located in eden prairie, minnesota, a suburb of minn eapolis. please visit our web s ite at www.nve.com or call 952-829- 9217 for information on products , sales or distribution. nve corporation 11409 valley view road eden prairie, mn 55344-3617 usa telephone: (952) 829-9217 fax: (952) 829-9189 internet: www.nve.com e-mail: isoinfo@nve.com the information provided by nve corpor ation is believed to be accurate. how ever, no responsibility is assumed by nve corporation for its use, nor for any infringement of patents, nor rights or licenses granted to third parties, which may result from its use. no license is granted by implication, or otherwise, under any patent or patent rights of nve corporation. nve corporation does not authorize, nor warrant , any nve corporation product for use in life support devices or systems or other critical applications. the use of nve corpor ation?s products in such applications is understood to be entirely at the customer ?s own risk. specifications shown are subject to change without notice. isb-ds-001-il600-a january 28, 2005 .com .com .com

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