ADUM7240 AD [Analog Devices], ADUM7240 Datasheet
![no-image](/images/no-image-200.jpg)
ADUM7240
Available stocks
Related parts for ADUM7240
ADUM7240 Summary of contents
Page 1
... The ADuM7240/ADuM7241 dual 1 kV digital isolation devices are packaged in a narrow-body 8-lead SOIC. The ADuM7240/ ADuM7241 offer a cost-effective option compared to 2 isolators where only functional isolation is needed. Like other Analog Devices isolators, the ...
Page 2
... ADuM7240/ADuM7241 TABLE OF CONTENTS Features .............................................................................................. 1 Applications ....................................................................................... 1 Functional Block Diagrams ............................................................. 1 General Description ......................................................................... 1 Revision History ............................................................................... 2 Specifications ..................................................................................... 3 Electrical Characteristics—5 V Operation................................ 3 Electrical Characteristics—3.3 V Operation ............................ 4 Electrical Characteristics—Mixed 5 V/3.3 V Operation ........ 5 Electrical Characteristics—Mixed 3.3 V/5 V Operation ........ 6 Package Characteristics ............................................................... 7 Regulatory Information ............................................................... 7 Insulation and Safety-Related Specifications ............................ 7 Recommended Operating Conditions ...................................... 7 REVISION HISTORY 5/12— ...
Page 3
... 1.4 DDI(Q) I 0.8 1.1 DDO(Q) I 0.29 DDI(D) I 0.03 DDO( 2 |CM 600 r Rev Page ADuM7240/ADuM7241 C Grade Unit Test Conditions/Comments Typ Max ns Within PWD limit 25 Mbps Within PWD limit 50% input to 50% output − PLH PHL 3 ps/° ...
Page 4
... Opposing Direction t PSKOD Jitter t is the magnitude of the worst-case difference PSK within the recommended operating conditions. Table 5. Parameter Symbol Min SUPPLY CURRENT ADuM7240 I DD1 I DD2 ADuM7241 I DD1 I DD2 Table 6. For All Models Parameter DC SPECIFICATIONS Logic High Input Threshold Logic Low Input Threshold ...
Page 5
... DDI(Q) I 0.59 0.80 DDO(Q) I 0.25 DDI(D) I 0.02 DDO( 2 |CM 600 r Rev Page ADuM7240/ADuM7241 ≤ +105°C, unless otherwise noted. Switching A Unit Test Conditions/Comments Typ Max ns Within PWD limit 25 Mbps Within PWD limit 50% input to 50% output − PLH ...
Page 6
... Opposing Direction t PSKOD Jitter the magnitude of the worst-case difference in t PSK within the recommended operating conditions. Table 11. Parameter Symbol Min SUPPLY CURRENT ADuM7240 I DD1 I DD2 ADuM7241 I DD1 I DD2 Table 12. For All Models Parameter DC SPECIFICATIONS Logic High Input Threshold Logic Low Input Threshold ...
Page 7
... Input Signal Rise and Fall Times All voltages are relative to their respective ground. See the DC Correctness 1 section for information about immunity to external magnetic fields. 150 200 Rev Page ADuM7240/ADuM7241 Test Conditions/Comments MHz Thermocouple located at center of package underside Test Conditions/Comments 1-minute duration ...
Page 8
... Table 18. Maximum Continuous Working Voltage Parameter AC Voltage, Bipolar Waveform DC Voltage 1 Refers to continuous voltage magnitude imposed across the isolation barrier. See the Insulation Lifetime section for more details. Table 19. Truth Table (Positive Logic) ADuM7240 V Input V Input V State IA IB DD1 ...
Page 9
... ADuM7241 Pin Configuration Description 3 5.5 V Supply Voltage for Isolator Side 1. Logic Output A. Logic Input B. Ground 1. Ground reference for Isolator Side 1. Ground 2. Ground reference for Isolator Side 2. Logic Output B. Logic Input A. 3 5.5 V Supply Voltage for Isolator Side 2. Rev Page ADuM7240/ADuM7241 ...
Page 10
... ADuM7240 V Supply Current vs. Data Rate DD1 for 5 V and 3 V Operation DATA RATE (Mbps) ADuM7240 V Supply Current vs. Data Rate DD2 for 5 V and 3 V Operation DATA RATE (Mbps) ADuM7241 V Supply Current vs ...
Page 11
... Data Sheet DATA RATE (Mbps) Figure 12. Typical ADuM7241 V Supply Current vs. Data Rate DD2 for 5 V and 3 V Operation Rev Page ADuM7240/ADuM7241 ...
Page 12
... N is the number of turns in the receiving coil. Given the geometry of the receiving coil in the ADuM7240/ ADuM7241 and an imposed requirement that the induced voltage be, at most, 50% of the 0.5 V margin at the decoder, a maximum allowable magnetic field at a given frequency can be calculated ...
Page 13
... Care should be taken in the layout of such traces to avoid this possibility. POWER CONSUMPTION The supply current at a given channel of the ADuM7240/ ADuM7241 data rate of the channel, and the output load of the channel. For each input channel, the supply current is given by ...
Page 14
... OUTLINE DIMENSIONS 0.25 (0.0098) 0.10 (0.0040) COPLANARITY ORDERING GUIDE No. of Inputs, No. of Inputs, Model 1 V Side V DD1 DD2 ADuM7240ARZ 2 0 ADuM7240ARZ-RL7 2 0 ADuM7240CRZ 2 0 ADuM7240CRZ-RL7 2 0 ADuM7241ARZ 1 1 ADuM7241ARZ-RL7 1 1 ADuM7241CRZ 1 1 ADuM7241CRZ-RL7 RoHS Compliant Part. 5.00 (0.1968) 4.80 (0.1890 6.20 (0.2441) 4.00 (0.1574 ...
Page 15
... Data Sheet NOTES Rev Page ADuM7240/ADuM7241 ...
Page 16
... ADuM7240/ADuM7241 NOTES ©2012 Analog Devices, Inc. All rights reserved. Trademarks and registered trademarks are the property of their respective owners. D10240-0-5/12(A) Rev Page Data Sheet ...