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ISO7731 Dataheets PDF



Part Number ISO7731
Manufacturers Texas Instruments
Logo Texas Instruments
Description Robust-EMC Reinforced and Basic Triple-Channel Digital Isolators
Datasheet ISO7731 DatasheetISO7731 Datasheet (PDF)

ISO7730, ISO7731 SLLSES0H – SEPTEMBER 2016 – REVISED MARCH 2023 ISO773x High-Speed, Robust-EMC Reinforced and Basic Triple-Channel Digital Isolators 1 Features • 100 Mbps data rate • Robust isolation barrier: – >100-year projected lifetime at 1500 VRMS working voltage – Up to 5000 VRMS isolation rating – Up to 12.8 kV surge capability – ±100 kV/μs typical CMTI • Wide supply range: 2.25 V to 5.5 V • 2.25-V to 5.5-V Level translation • Default output high (ISO773x) and low (ISO773xF) options • Wi.

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ISO7730, ISO7731 SLLSES0H – SEPTEMBER 2016 – REVISED MARCH 2023 ISO773x High-Speed, Robust-EMC Reinforced and Basic Triple-Channel Digital Isolators 1 Features • 100 Mbps data rate • Robust isolation barrier: – >100-year projected lifetime at 1500 VRMS working voltage – Up to 5000 VRMS isolation rating – Up to 12.8 kV surge capability – ±100 kV/μs typical CMTI • Wide supply range: 2.25 V to 5.5 V • 2.25-V to 5.5-V Level translation • Default output high (ISO773x) and low (ISO773xF) options • Wide temperature range: –55°C to +125°C • Low power consumption, typical 1.5 mA per channel at 1 Mbps • Low propagation delay: 11 ns Typical (5-V Supplies) • Robust electromagnetic compatibility (EMC) – System-level ESD, EFT, and surge immunity – ±8 kV IEC 61000-4-2 contact discharge protection across isolation barrier – Low emissions • Wide-SOIC (DW-16) and QSOP (DBQ-16) package options • Automotive version available: ISO773x-Q1 • Safety-related certifications: – DIN EN IEC 60747-17 (VDE 0884-17) – UL 1577 component recognition program – IEC 61010-1, IEC 62368-1, IEC60601-1, and GB 4943.1 certifications 2 Applications • Industrial automation • Motor control • Power supplies • Solar inverters • Medical equipment 3 Description The ISO773x devices are high-performance, triplechannel digital isolators with 5000 VRMS (DW package) and 3000 VRMS (DBQ package) isolation ratings per UL 1577. This family includes devices with reinforced insulation ratings according to VDE, CSA, TUV and CQC. The ISO7731B device is designed for applications that require basic insulation ratings only. The ISO773x family of devices provides high electromagnetic immunity and low emissions at low power consumption, while isolating CMOS or LVCMOS digital I/Os. Each isolation channel has a logic input and output buffer separated by a double capacitive silicon dioxide (SiO2) insulation barrier. This device comes with enable pins which can be used to put the respective outputs in high impedance for multi-master driving applications and to reduce power consumption. Device Information PART NUMBER PACKAGE BODY SIZE (NOM) ISO7730 ISO7731 SOIC (DW) SSOP (DBQ) 10.30 mm × 7.50 mm 4.90 mm × 3.90 mm ISO7731B SOIC (DW) 10.30 mm × 7.50 mm VCCI VCCO Series Isolation Capacitors INx OUTx ENx GNDI GNDO Copyright © 2016, Texas Instruments Incorporated VCCI=Input supply, VCCO=Output supply GNDI=Input ground, GNDO=Output ground Simplified Schematic An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications, intellectual property matters and other important disclaimers. PRODUCTION DATA. ISO7730, ISO7731 SLLSES0H – SEPTEMBER 2016 – REVISED MARCH 2023 www.ti.com Table of Contents 1 Features............................................................................1 2 Applications..................................................................... 1 3 Description.......................................................................1 4 Revision History.............................................................. 2 5 Description Continued.................................................... 4 6 Pin Configuration and Functions...................................4 7 Specifications.................................................................. 6 7.1 Absolute Maximum Ratings........................................ 6 7.2 ESD Ratings............................................................... 6 7.3 Recommended Operating Conditions.........................7 7.4 Thermal Information....................................................8 7.5 Power Ratings.............................................................8 7.6 Insulation Specifications............................................. 9 7.7 Safety-Related Certifications.....................................11 7.8 Safety Limiting Values............................................... 11 7.9 Electrical Characteristics—5-V Supply..................... 13 7.10 Supply Current Characteristics—5-V Supply.......... 14 7.11 Electrical Characteristics—3.3-V Supply.................15 7.12 Supply Current Characteristics—3.3-V Supply....... 16 7.13 Electrical Characteristics—2.5-V Supply ............... 17 7.14 Supply Current Characteristics—2.5-V Supply....... 18 7.15 Switching Characteristics—5-V Supply...................19 7.16 Switching Characteristics—3.3-V Supply................20 7.17 Switching Characteristics—2.5-V Supply................21 7.18 Insulation Characteristics Curves........................... 21 7.19 Typical Characteristics............................................ 23 8 Parameter Measurement Information.......................... 25 9 Detailed Description......................................................27 9.1 Overview................................................................... 27 9.2 Functional Block Diagram.....................


ISO7730 ISO7731 ISO7730-Q1


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