adum1250 Analog Devices, Inc., adum1250 Datasheet
adum1250
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adum1250 Summary of contents
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... GND 4 1 Figure 2. ADuM1251 Functional Block Diagram Both the ADuM1250 and ADuM1251 contain hot swap circuitry to prevent glitching data when an unpowered card is inserted onto an active bus. These isolators are based on iCoupler® chip scale transformer technology from Analog Devices, Inc. iCoupler is a magnetic isolation technology with functional, performance, size, and power consumption advantages as compared to optocouplers ...
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... ADuM1250/ADuM1251 TABLE OF CONTENTS Features .............................................................................................. 1 Applications....................................................................................... 1 Functional Block Diagrams............................................................. 1 General Description ......................................................................... 1 Revision History ............................................................................... 2 Specifications..................................................................................... 3 Electrical Characteristics............................................................. 3 Package Characteristics ............................................................... 5 Regulatory Information............................................................... 5 Insulation and Safety-Related Specifications............................ 5 DIN EN 60747-5-2 (VDE 0884 Part 2) Insulation Characteristics .............................................................................. 6 Recommended Operating Conditions ...................................... 6 REVISION HISTORY 10/06—Revision 0: Initial Version 0 Absolute Maximum Ratings ............................................................7 ESD Caution ...
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... SDA1T SCL1T 600 SDA1OL SCL1OL 600 ∆V , ∆V 50 SDA1 SCL1 SDA2IL SCL2IL 0.7 V SDA2IH SCL2IH DD2 SDA2OL SCL2OL Rev Page ADuM1250/ADuM1251 Max Unit Test Conditions 5 DD1 5 DD2 3 3.3 V DD1 3 3.3 V DD2 6 DD1 4 ...
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... ADuM1250/ADuM1251 AC Specifications All voltages are relative to their respective ground. All min/max specifications apply over the entire recommended operating range, unless otherwise noted. All typical specifications are at T Table 2. Parameter MAXIMUM FREQUENCY OUTPUT FALL TIME 5 V Operation Side 1 Output (0 0.9 V) DD1 Side 2 Output (0 ...
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... IC Junction-to-Case Thermal Resistance, Side 1 IC Junction-to-Case Thermal Resistance, Side 2 1 The device is considered a 2-terminal device; Pin 1 through Pin 4 are shorted together, and Pin 5 through Pin 8 are shorted together. REGULATORY INFORMATION The ADuM1250/ADuM1251 has been approved by the following organizations: Table 4. UL Recognized under 1577 Component 1 ...
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... ADuM1250/ADuM1251 DIN EN 60747-5-2 (VDE 0884 PART 2) INSULATION CHARACTERISTICS This isolator is suitable for basic isolation only within the safety limit data. Maintenance of the safety data is ensured by protective circuits. The * marking on the package denotes DIN EN 60747-5-2 approval for a 560 V peak working voltage. Table 6. ...
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... Exposure to absolute maximum rating conditions for extended periods may affect +7.0 V device reliability 0.5 V ESD CAUTION DD1 V + 0.5 V DD2 mA +100 kV/µs Rev Page ADuM1250/ADuM1251 ...
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... ADuM1250/ADuM1251 PIN CONFIGURATION AND FUNCTION DESCRIPTIONS Table 9. ADuM1250 Pin Function Descriptions Pin No. Mnemonic 1 V DD1 2 SDA 1 3 SCL 1 4 GND 1 5 GND 2 6 SCL 2 7 SDA DD2 Table 10. ADuM1251 Pin Function Descriptions Pin No. Mnemonic 1 V DD1 2 SDA 1 3 SCL 1 4 GND ...
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... TEST CONDITIONS DD1 DECODE ENCODE 1 SDA 1 ENCODE DECODE 2 SCL 1 DECODE ENCODE 3 GND 1 ENCODE DECODE 4 Figure 5. Timing Test Diagram Rev Page ADuM1250/ADuM1251 V DD2 SDA 2 7 SCL GND ...
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... C compatibility However, since the Side 1 pin has a modified output level/input threshold, this side of the ADuM1250/ADuM1251 can only communicate with devices conforming to the I other words, Side 2 of the ADuM1250/ADuM1251 compliant while Side 1 is only I C-compatible. The output logic low levels are independent of the V V voltages ...
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... N is the number of turns in the receiving coil the radius of the nth turn in the receiving coil (cm). n Given the geometry of the receiving coil in the ADuM1250 and an imposed requirement that the induced voltage is at most 50% of the 0.5 V margin at the decoder, a maximum allowable magnetic field is calculated, as shown in Figure 10. ...
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... OUTLINE DIMENSIONS 0.25 (0.0098) 0.10 (0.0040) COPLANARITY ORDERING GUIDE Number of Inputs, Model V Side DD1 1 ADuM1250ARZ 2 1 ADuM1250ARZ-RL7 2 1 ADuM1251ARZ 2 1 ADuM1251ARZ-RL7 Pb-free part. ©2006 Analog Devices, Inc. All rights reserved. Trademarks and registered trademarks are the property of their respective owners. D06113-0-10/06(0) 5.00 (0.1968) 4.80 (0.1890) ...