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| NVE CORPORATION IL710 High Speed Digital Isolator Features * +5V and +3.3V CMOS Compatible * 2 ns Typical Pulse Width Distortion * 4 ns Typical Propagation Delay Skew * 10 ns Typical Propagation Delay * High Speed: 100 MBd * 30 kV/s Typical Common Mode Rejection * Tri State Output * 2500VRMS Isolation (1 Min.) * UL1577 Approved (File # E207481) * IEC 61010-1 Approved (Report # 607057) ISOLOOP(R) Functional Diagram GALVANIC ISOLATION V OE 1 IN 1 OUT Applications Truth Table VI L H L H VOE L L H H VO L H Z Z * Digital Fieldbus Isolation * Multiplexed Data Transmission * Computer Peripheral Interface * Noise Reduction in High Speed Digital Systems * Isolated Data Interfaces * Logic Level Shifting Ordering Information Package Type 8-PDIP 8-SOIC IL710 -2 -3 IL710-2 an 8-PDIP package IL710-3 an 8-SOIC package Model Description The IL710 is a CMOS digital isolator integrated with NVE's patented* IsoLoop(R) technology, which gives the IL710 high speed performance and excellent transient immunity specifications. The symmetric magnetic coupling barrier gives this device a typical propagation delay of only 10 ns and a pulse width distortion of 2 ns, giving the IL710 the best specifications of any isolator device. The IL710 also has a 100 Mbaud data rate, making it the world's fastest digital isolator. The IL710 is ideally suited for isolating such applications as PROFIBUS, RS-485, RS422, etc. It is available in 8-pin PDIP and 8-pin SOIC packages, and is specified over the temperature range of -40C to +100C. Isoloop(R) is a registered trademark of NVE Corporation * US Patent number 5,831,426; 6,300,617 and others RHOPOINT COMPONENTS Hurst Green, Oxted, Surrey RH8 9AX UK Telephone: +44 (0) 870 608 1188 Fax: +44 (0) 870 241 2255 Internet: www.rhopointcomponents.com IL710 Parameters Storage Temperature Supply Voltage Input Voltage Input Voltage Output Voltage Output Current Drive ISOLOOP(R) Absolute Maximum Ratings Symbol TS TA VDD1,VDD2 VI VOE VO IO Min. -55 -55 -0.5 -0.5 -0.5 -0.5 Max. 175 125 7 VDD1+0.5 VDD2+0.5 VDD2+0.5 10 Units o C o Ambient Operating Temperature(1) C Volts Volts Volts Volts mAmps o Lead Solder Temperature(10s) ESD 260 2kV Human Body Model C Recommended Operating Conditions Parameters Ambient Operating Temperature Supply Voltage Logic High Input Voltage Logic Low Input Voltage Input Signal Rise and Fall Times Symbol TA VDD1,VDD2 VIH VIL tIR,tIF Min. -40 3.0 2.4 0 Max. 100 5.5 VDD1 0.8 1 Units o C Volts Volts Volts sec Insulation Specifications Parameter Barrier Impedance Creepage Distance (External) Leakage Current 240 VRMS 60Hz Condition Min. 7.036 (PDIP) 4.026 (SOIC) 0.2 Typ. >1014 ||3 Max. Units || pF mm Amps Package Characteristics Parameter Capacitance (Input-Output)(5) Thermal Resistance (PDIP) (SOIC) Package Power Dissipation Symbol CI-O JCT JCT PPD Min. Typ. 1.1 150 240 150 Max. Units pF o C/W o Test Conditions f= 1MHz Thermocouple located at center underside of package C/W mW IEC61010-1 TUV Certificate Numbers: Classification as Table 1. Model IL710-2 IL710-3 Pollution Degree II II Material Group III III Max Working Voltage 300 VRMS 150 VRMS 8-PDIP ' Package Type 8-SOIC ' B 01 07 44230 001 (PDIP) B 01 07 44230 002 (SOIC) UL 1577 Component Recognition program. File # E207481 Rated 2500Vrms for 1min. 2 RHOPOINT COMPONENTS Hurst Green, Oxted, Surrey RH8 9AX UK Telephone: +44 (0) 870 608 1188 Fax: +44 (0) 870 241 2255 Internet: www.rhopointcomponents.com IL710 Electrical Specifications Electrical Specifications are Tmin to Tmax unless otherwise stated. Parameter Symbol 3.3 Volt Specifiations DC Specifications Min. Typ. Max. Input Quiescent Supply Current IDD1 4.5 7 Output Quiescent Supply Current IDD2 2.2 3.3 Logic Input Current Logic High Output Voltage Logic Low Output Voltage Switching Specifications MaximumData Rate Pulse Width Propagation Delay Input to Output (High to Low) Propagation Delay Input to Output ( Low to High) Propagation Delay Enable to Output (High to High Impedance) Propagation Delay Enable to Output (Low to High Impedance) Propagation Delay Enable to Output (High Impedance to High) Propagation Delay Enable to Output (High Impedance to Low) Pulse Width Distortion(2) Propagation Delay Skew(3) Output Rise Time (10-90%) Output Fall Time (10-90%) Common Mode Transient Immunity (Output Logic High or Logic Low) (4) PW tPHL tPLH tPHZ tPLZ tPZH tPZL tPSK tR tF |CMH| 20 |CML| 30 20 30 kV/s Vcm = 300V II VOH VOL -10 VDD2-0.1 VDD2 0.8*VDD2 VDD2-0.5 0 0.5 100 10 12 12 3 3 3 3 2 4 2 2 18 18 5 5 5 5 3 6 4 4 110 0.1 0.8 100 10 10 10 3 3 3 3 2 4 1 1 15 15 5 5 5 5 3 6 3 3 10 5Volt Specifications Min. Typ. Max. 6 10 4 -10 VDD2-0.1 VDD2 0.8*VDD2 VDD2-0.5 0 0.5 110 0.1 0.8 5 10 Units A mA A V V Test Conditions ISOLOOP(R) IO =-20 A, VI =VIH I = -4 mA, V =V O I IH IO = 20 A, VI =VIL I = 4 mA, V =V O I IL MBd ns ns ns ns ns ns ns ns ns ns CL = 15 pF CL = 15 pF CL = 15 pF CL = 15 pF CL = 15 pF CL = 15 pF CL = 15 pF CL = 15 pF CL = 15 pF CL = 15 pF Pin Connections 1 2 3 4 5 6 7 8 VDD1 VI NC GND1 GND2 VO VOE VDD2 Input Power Supply Logic Input Signal No Internal Connection Input Power Supply Ground Output Power Supply Ground Output Logic Signal Logic Output Enable* Output Power Supply V DD1 1 H 8 V DD2 VI 2 7 VOE NC 3 Isolation Barrier 6 VO *Held low Internally GND 1 4 5 GND 2 3 RHOPOINT COMPONENTS Hurst Green, Oxted, Surrey RH8 9AX UK Telephone: +44 (0) 870 608 1188 Fax: +44 (0) 870 241 2255 Internet: www.rhopointcomponents.com IL710 Notes: ISOLOOP(R) Application Notes: Power Consumption Isoloop devices achieve their low 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 2.5ns wide, the power consumption is independent of mark-to-space ratio and solely dependent on frequency. This has obvious advantages over optocouplers whose power consumption is heavily dependent on its on-state and frequency. The approximate power supply current per channel for Isoloop(R) is: I(input)= 40 . f . 1 mA fmax 4 where f= operating frequency fmax= 50 MHz Power Supplies It is recommended that low ESR ceramic capacitors be used to decouple the supplies. 10nF capacitors should be placed as close to the device as possible between VDD1 and GND1, as well as between VDD2 and GND2. Signal Status on Start-up and Shut Down To minimize power dissipation, the input signal to the IL710 is differentiated and then latched on the output side of the isolation barrier to reconstruct the signal. This could result in an ambiguous output state depending on power up, shutdown and power loss sequencing. Therefore, the designer should consider the inclusion of an initialization signal in his start-up circuit. Electrostatic Discharge Sensitivity This product has been tested for electrostatic sensitivity to the limits stated in the specifications. However, NVE recommends that all integrated circuits be handled with appropriate care to avoid damage. Damage caused by inappropriate handling or storage could range from performance degradation to complete failure. 1. Absolute Maximum ambient operating temperature means the device will not be damaged if operated under these conditions. It does not guarantee performance. 2. PWD is defined as | tPHL - tPLH |. %PWD is equal to the PWD divided by the pulse width. 3. tPSK is equal to the magnitude of the worst case difference in tPHL and/or tPLH that will be seen between units at 25OC. 4. CMH is the maximum common mode voltage slew rate that can be sustained while maintaining VO > 0.8 VDD2. CML is the maximum common mode input voltage that can be sustained while maintaining VO < 0.8 V. The common mode voltage slew rates apply to both rising and falling common mode voltage edges. 5. Device is considered a two terminal device: pins 1-4 shorted and pins 5-8 shorted. 4 RHOPOINT COMPONENTS Hurst Green, Oxted, Surrey RH8 9AX UK Telephone: +44 (0) 870 608 1188 Fax: +44 (0) 870 241 2255 Internet: www.rhopointcomponents.com IL710 Timing Diagram Legend 50% ISOLOOP(R) VIN t PLH t PHL 90% t 90% PZL t 50% PLZ VO t PW t t PZH PHZ 10% 10% t F t R VOE tPLH tPHL tPW tPLZ tPZH tPHZ tPZL tR tF Propagation Delay, Low to High Propagation Delay, High to Low Minimum Pulse Width Propagation Delay, Low to High Impedance Propagation Delay, High Impedance to High Propagation Delay, High to High Impedance Propagation Delay, High Impedance to Low Rise Time Fall Time IR Soldering Profile 250 PRE HEATING RATE 3C + 1C /-0.5C /SEC. REFLOW HEATING RATE 2.5 C 0.5C /SEC. PEAK TEMPERATURE 245 C PEAK TEMPERATURE 240 C PEAK TEMPERATURE 230C 200 C 200 TEMPERATURE ( C ) 2.5C 0.5C / SEC 160C 150C 140C 3C+1C /-0.5C 30 SEC 30 SEC SOLDERING TIME 200C 100 PRE HEATING TIME 150C, 90 30 SEC. 50 SEC TIGHT TYPICAL ROOM TEMPERATURE LOOSE 0 0 50 100 TIME (SECONDS) 150 200 250 5 RHOPOINT COMPONENTS Hurst Green, Oxted, Surrey RH8 9AX UK Telephone: +44 (0) 870 608 1188 Fax: +44 (0) 870 241 2255 Internet: www.rhopointcomponents.com IL710 ISOLOOP(R) IL710-2 (8-Pin PDIP Package) 0.240 (6.096) 0.260 (6.604) Dimensions: inches (mm) min max 1 2 3 0.370 (9.398) 0.400 (10.160) 0.290 (7.366) 0.310 (7.874) 0.120 (3.048) 0.150 (3.810) 0.55 (1.397) 0.65 (1.651) 0.008 (0.203) 0.015 (0.381) 0.015 (0.381) 0.030 (0.762) 0.045 (1.143) 0.015 (0.380) 0.023 (0.584) 0.035 (0.889) 0.090 (2.286) 0.110 (2.794) 0.045 (1.143) 0.065 (1.651) 0.300 (7.620) 0.370 (9.398) 3 8 IL710-3 (Small Outline SOIC-8 package) 0.189 (4.80) 0.197 (5.00) 0 8 0.016 (0.40) 0.150 (3.80) 0.228 (5.80) 0.244 (6.20) 0.010 (0.25) 0.020 (0.50) x45 1 2 3 0.008 (0.19) 0.010 (0.25) 0.157 (4.00) 0.050 (1.27) 0.013 (0.33) 0.020 (0.51) 0.054 (1.37) 0.069 (1.75) 0.004 (0.10) 0.040 (1.016) 0.060 (1.524) 0.010 (0.25) Dimensions: inches (mm) min max 6 RHOPOINT COMPONENTS Hurst Green, Oxted, Surrey RH8 9AX UK Telephone: +44 (0) 870 608 1188 Fax: +44 (0) 870 241 2255 Internet: www.rhopointcomponents.com IL710 Applications Isolated PROFIBUS / RS-485 +VDD1 ISOLOOP(R) IL710 Galvanic Isolation +VISO RS-485 Truth Table VCC D RT TXD TXD 1 0 1 0 RTS 0 0 1 1 A Z Z 1 0 B Z Z 0 1 RXD X X 1 0 IL710 RXD Galvanic Isolation DE A R RE GND B RE IL710 RTS Galvanic Isolation Reference 485 Drivers (Texas Instruments) 65ALS176 (-40C to +85C) 75ALS176 (0C to +70C) GNDISO GND1 VDD1 and VDD2 should be decoupled with 10nF capacitors at IL710 supply pins Isolated DeviceNet / CAN Transceiver VDD1 VISO IL710 TXD Galvanic Isolation TXD CANH 0 high 1 floating CANL low floating BUS dominant recessive RXD 0 1 TXD GND RS PCA82C251 CANH IL710 RXD Galvanic Isolation VCC RXD VREF CANL Reference controller Philips Electronics N.V. GNDISO GND1 VDD1 and VDD2 should be decoupled with 10nF capacitors at IL710 supply pins 7 RHOPOINT COMPONENTS Hurst Green, Oxted, Surrey RH8 9AX UK Telephone: +44 (0) 870 608 1188 Fax: +44 (0) 870 241 2255 Internet: www.rhopointcomponents.com |
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