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IL711 il712 isoloop is a registered trademark of nve corporation. *u.s. patent numbers 5, 831,426; 6,300,617 and others. rev. h nve corporation 11409 valley view road, eden prairie, mn 55344-3617 phone: (952) 829-9217 fax: (952) 829-9189 www.isoloop.com ? 2005 nve corporation high speed dual digital isolator functional diagram features ? +5 v/+3.3 v cmos / ttl compatible ? high speed: 110 mbps ? 2500 v rms isolation (1 min.) ? 2 ns typical pulse width distortion ? 4 ns typical propagation delay skew ? 10 ns typical propagation delay ? 30 kv/ s typical common mode transient immunity ? 2 ns channel-to-channel skew ? 8-pin pdip and 8-pin soic packages ? ul1577 approved (file # e207481) ? iec 61010-1 approved (report # 607057) applications ? adcs and dacs ? digital fieldbus ? rs485 and rs422 ? multiplexed data transmission ? data interfaces ? board-to-board communication ? digital noise reduction ? operator interface ? ground loop elimination ? peripheral interfaces ? serial communication ? logic level shifting description nve?s family of high-speed digital is olators are cmos devices created by integrating active circuitry and our gmr-based and patented* isoloop ? technology. the IL711 and il712 are two-channel versions of the world?s fastest digital isolator with a 110 mbps data rate. these devices offer true isolated logic integration not previously available. all transmit and receive channels operate at 110 mbps over th e full temperature and supply voltage range. the symmetric magnetic c oupling barrier provides a typical propagation delay of only 10 ns and a pulse width distortion of 2 ns, achieving the best specifications of any isolator device. typical transient immunity of 30 kv/s is unsurpa ssed. the IL711 has two transmit channels; the il712 has one transmit cha nnel and one receive channel. the il712 operates in full duplex mode making it ideal for many field bus applications including profibus. the IL711 and il712 are available in 8- pin pdip and 8-pin soic packages and performance is specified over the te mperature range of -40c to +100c without derating. the t-series parts (-40c to +125c) offer the user the widest temperature range digital couplers available. www.datasheet www.datasheet www.datasheet www.datasheet 4u 4u4u 4u .com .com .com .com
IL711 il712 2 absolute maximum ratings (1) parameters symbol min. typ. max. units test conditions storage temperature t s -55 150 c ambient operating temperature t-series t a -55 125 135 c supply voltage v dd 1 , v dd 2 -0.5 7 v input voltage v i -0.5 v dd + 0.5 v output voltage v o -0.5 v dd + 0.5 v output current drive i o 10 ma lead solder temperature 260 c 10 sec. esd 2 kv hbm recommended operating conditions parameters symbol min. typ. max. units test conditions ambient operating temperature t-series t a -40 100 125 c supply voltage v dd 1 , v dd 2 3.0 5.5 v logic high input voltage v ih 2.4 v dd v logic low input voltage v il 0 0.8 v input signal rise and fall times t ir , t if 1 s insulation specifications parameters symbol min. typ. max. units test conditions creepage distance soic 4.026 mm pdip 7.036 mm leakage current 0.2 a 240 v rms , 60 hz barrier impedance >10 14 ||3 ? || pf package characteristics parameters symbol min. typ. max. units test conditions capacitance (input-output) (5) c i - o 2 pf f = 1 mhz thermal resistance soic jct 240 c/w pdip jct 150 c/w thermocouple at center underside of package package power dissipation p pd 150 mw f = 1 mhz, v dd = 5 v safety & approvals iec61010-1 tuv certificate numbers: soic pdip b 01 07 44230 002 b 01 07 44230 001 classification: reinforced insulation model package pollution degree material group max. working voltage IL711-2, il712-2 pdip ii iii 300 v rms IL711-3, il712-3 soic ii iii 150 v rms ul 1577 component recognition program file #: e207481 rated 2500v rms for 1 minute www.datasheet www.datasheet www.datasheet www.datasheet 4u 4u4u 4u .com .com .com .com
IL711 il712 3 IL711 pin connections 1 v dd1 supply voltage 2 in 1 data in, channel 1 3 in 2 data in, channel 2 4 gnd 1 ground return for v dd1 5 gnd 2 ground return for v dd2 6 out 2 data out, channel 2 7 out 1 data out, channel 1 8 v dd2 supply voltage IL711 il712 pin connections 1 v dd1 supply voltage 2 in 1 data in, channel 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 out 1 data out, channel 1 8 v dd2 supply voltage il712 www.datasheet www.datasheet www.datasheet www.datasheet 4u 4u4u 4u .com .com .com .com
IL711 il712 4 timing diagram legend t plh propagation delay, low to high t phl propagation delay, high to low t pw minimum pulse width t r rise time t f fall time ir soldering profile www.datasheet www.datasheet www.datasheet www.datasheet 4u 4u4u 4u .com .com .com .com
IL711 il712 5 3.3 volt electrical specifications electrical specifications are t min to t max unless otherwise stated. parameters symbol min. typ. max. units test conditions dc specifications input quiescent supply voltage IL711 8 10 a il712 i dd1 1.5 2 ma output quiescent supply voltage IL711 3.3 4 ma il712 i dd2 1.5 2 ma logic input current i i -10 10 a v dd - 0.1 v dd i o = -20 a, v i = v ih logic high output voltage v oh 0.8 x v dd 0.9 x v dd v i o = -4 ma, v i = v ih 0 0.1 i o = 20 a, v i = v il logic low output voltage v ol 0.5 0.8 v i o = 4 ma, v i = v il switching specifications maximum data rate 100 110 mbps c l = 15 pf pulse width pw 10 ns 50% points, v o propagation delay input to output (high to low) t phl 12 18 ns c l = 15 pf propagation delay input to output (low to high) t plh 12 18 ns c l = 15 pf pulse width distortion (2) pwd 2 3 ns c l = 15 pf propagation delay skew (3) t psk 4 6 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 (output logic high or logic low) (4) |cm h |,|cm l | 20 30 kv/ s v cm = 300 v channel-to-channel skew t csk 2 3 ns c l = 15 pf dynamic power consumption (6) t-series 170 500 200 640 a/mhz per channel www.datasheet www.datasheet www.datasheet www.datasheet 4u 4u4u 4u .com .com .com .com
IL711 il712 6 5 volt electrical specifications electrical specifications are t min to t max unless otherwise stated. parameters symbol min. typ. max. units test conditions dc specifications input quiescent supply voltage IL711 10 15 a il712 i dd1 2.5 3 ma output quiescent supply voltage IL711 5 6 ma il712 i dd2 2.5 3 ma logic input current i i -10 10 a v dd - 0.1 v dd i o = -20 a, v i = v ih logic high output voltage v oh 0.8 x v dd 0.9 x v dd v i o = -4 ma, v i = v ih 0 0.1 i o = 20 a, v i = v il logic low output voltage v ol 0.5 0.8 v i o = 4 ma, v i = v il switching specifications maximum data rate 100 110 mbps c l = 15 pf pulse width pw 10 ns 50% points, v o propagation delay input to output (high to low) t phl 10 15 ns c l = 15 pf propagation delay input to output (low to high) t plh 10 15 ns c l = 15 pf pulse width distortion (2) pwd 2 3 ns c l = 15 pf propagation delay skew (3) t psk 4 6 ns c l = 15 pf output rise time (10%-90%) t r 1 3 ns c l = 15 pf output fall time (10%-90%) t f 1 3 ns c l = 15 pf common mode transient immunity (output logic high or logic low) (4) |cm h |,|cm l | 20 30 kv/ s v cm = 300 v channel-to-channel skew t csk 2 3 ns c l = 15 pf dynamic power consumption (6) t-series 170 500 200 640 a/mhz per channel notes: (apply to both 3.3 v and 5 v specifications.) 1. absolute maximum ambient operating temperature means the de vice will not be damaged if operated under these conditions. it d oes not guarantee performance. 2. pwd is defined as |t phl - t plh |. %pwd is equal to pwd divided by 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 be tween devices at 25c. 4. cm h is the maximum common mode voltage slew rate that can be sustained while maintaining v o > 0.8 v dd 2 . cm l is the maximum common mode input voltage that can be sustained while maintaining v o < 0.8 v. the common mode voltage slew rates apply to both rising and falling common mode voltage edges. 5. device is considered a tw o terminal device: pins 1-4 shorted and pins 5-8 shorted. 6. dynamic power consumption numbers are calculated per channel and are supplied by the channel?s input side power supply. 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. www.datasheet www.datasheet www.datasheet www.datasheet 4u 4u4u 4u .com .com .com .com
IL711 il712 7 application information dynamic power consumption isoloop devices achieve their lo w power consumption from the manner by which they transmit data across the isolation barrier. by detecting the edge transitions of the input logic signal and converting these to narrow current pulses, a magnetic field is created around the gmr wheatstone bridge. depending on the direction of the magnetic field, the bridge causes the output comparator to switch following the input logic signal. since the current pulses are narrow, about 2.5 ns wide, the power consumption is independent of mark-to-space ratio and solely dependent on frequency. this has obvious advantages over optocouplers whose power consumpti on is heavily dependent on its on-state and frequency. the approximate power supply current per channel is: i in = 40 x f x 1 ma where f = operating frequency f max = 50 mhz power supply decoupling both power supplies to these devi ces should be decoupled with low esr 47 nf ceramic capacitors. for data rates in excess of 10 mbps, use of ground planes for both gnd 1 and gnd 2 is highly recommended. capacitors must be located as close as possible to the v dd pins. signal status on start-up and shut down to minimize power dissipation, the input signals are differentiated and then latched on the output side of the isolation barrier to reconstruct the signal. this c ould result in an ambiguous output state depending on power up, shutdow n and power loss sequencing. therefore, the designer should consider the inclusion of an initialization signal in his start-up ci rcuit. initialization consists of toggling the input either high then low or low then high, depending on the desired state. data transmission rates the reliability of a transmission system is directly related to the accuracy and quality of the transmitted digital information. for a digital system, those parameters which determine the limits of the data transmission are pulse widt h distortion and propagation delay skew. propagation delay is the time taken for the signal to travel through the device. this is usually di fferent when sending a low-to-high than when sending a high-to-low signal. this difference, or error, is called pulse width distortion (pwd) and is usually in nanoseconds. it may also be expressed as a percentage: pwd% = maximum pulse width distortion (ns) x 100% signal pulse width (ns) for example: for data rates of 12.5 mbps pwd% = 3 ns x 100% = 3.75% 80 ns this figure is almost three times better than for any available optocoupler with the same temperature range, and two times better than any optocoupler regardless of published temperature range. the isoloop range of isolators surpasses the 10% maximum pwd recommended by profibus, and will run at almost 35 mb before reaching the 10% limit. propagation delay skew is the diffe rence in time taken for two or more channels to propagate their signals. this becomes significant when clocking is involved since it is undesirable for the clock pulse to arrive before the data has settled. a short propagation delay skew is therefore critical, especi ally in high data rate parallel systems, to establish and mainta in accuracy and repeatability. the isoloop range of isolators all ha ve a maximum propagation delay skew of 6 ns, which is five times better than any optocoupler. the maximum channel-to-channel skew in the isoloop coupler is only 3ns, which is ten times be tter than any optocoupler. f max 4 www.datasheet www.datasheet www.datasheet www.datasheet 4u 4u4u 4u .com .com .com .com
IL711 il712 8 application diagrams isolated profibus / rs-485 package drawings, dimensions and specifications 8-pin pdip package 8-pin soic package rs-485 truth table d de a b r 1 0 z z x 0 0 z z x 1 1 1 0 1 0 1 0 1 0 isl8485 www.datasheet www.datasheet www.datasheet www.datasheet 4u 4u4u 4u .com .com .com .com
IL711 il712 9 ordering information and valid part numbers www.datasheet www.datasheet www.datasheet www.datasheet 4u 4u4u 4u .com .com .com .com
IL711 il712 10 isb-ds-001-IL711/12-h changes 1. page 1: revision letter added. 2. page 1: t-series parts te mperature information added. 3. page 2: t-series parts temperature info rmation added to absolute maximum ratings. 4. page 2: t-series parts temperature inform ation added to recommending operating conditions. 5. page 2: storage temperature changed from 175c max. to 150c max. 6. page 2: lead soldering temperat ure changed from 180c max. to 260c max. 7. page 2: package power dissipati on: test condition added f = 1mhz, v dd = 5v. 8. page 2: iec 61010-1 classificati on: ?reinforced insulation? added. 9. page 4: 3.3 volt and 5 volt electrical specifications split into separate tables. 10. page 5: 3.3 volt electrical specifica tions: dynamic power consumption added. 11. page 6: 5 volt electrical specificati ons: dynamic power consumption added. 12. page 9: ordering information: temperature range option added 13. page 9: ordering informati on: 5 volt only option removed. valid part numbers IL711-2b, IL711-3b, IL711-2be, IL711-3be, il712-2b, il712-3b, il712-2be, and il712-3be removed. www.datasheet www.datasheet www.datasheet www.datasheet 4u 4u4u 4u .com .com .com .com
IL711 il712 11 about nve an iso 9001 certified company nve corporation is a high technology components manufacturer ha ving the unique capability to combine spintronic giant magnetore sistive (gmr) materials with integrated circuits to make high perform ance electronic components. products include magnetic field sensor s, magnetic field gradient sensors (gradiom eter), digital magnetic field se nsors, digital signal isolators and isolated bus transceivers. nve is a leader in gmr research and in 1994 introduced the world?s first products us ing gmr material, a line of gmr magnetic fi eld sensors that can be used for position, magnetic me dia, wheel speed and current sensing. nve is located in eden prairie, minnesota, a suburb of mi nneapolis. please visit our web site at www.nve.com or call (952) 829-9217 for information on pr oducts, 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 corporati on is believed to be accurate. however, no responsibility is assumed by nve corporatio n for its use, nor for any infringement of patents, nor ri ghts or licenses granted to third parties, which may result from its use. no license is granted by implication, or otherwise, under any paten t or patent rights of nve corporation. n ve corporation does not authorize, nor warran t, any nve corporation product for use in life support devices or systems or other critical app lications without the express written appro val of the president of nve corporation. specifications shown are subject to change without notice. isb-ds-001-IL711/12-h september 30, 2005 www.datasheet www.datasheet www.datasheet www.datasheet 4u 4u4u 4u .com .com .com .com

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