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Details for Texas Instruments


High-immunity, 100-Mbps, 5.7-kVRMS reinforced quad-channel 4/0 digital isolator
Buy Directly from Texas Instruments (3875 in Stock)
$5.5800 per unit
Series Information for ISO7840DWWR - Texas Instruments


  • feature
    2.25-V to 5.5-V Level Translation
  • feature
    Industry leading CMTI (Min): u00b1100 kV/u03bcs
  • feature
    Isolation Barrier Life: >40 Years
  • feature
    Low Emissions
  • feature
    Low Propagation Delay: 11 ns Typical (5-V Supplies)
  • feature
    Low-Power Consumption, Typical 1.7 mA per Channel at 1 Mbps
  • feature
    Robust Electromagnetic Compatibility (EMC)
  • feature
    Safety and Regulatory Approvals:
  • feature
    Signaling Rate: Up to 100 Mbps
  • feature
    System-Level ESD, EFT, and Surge Immunity
  • feature
    Wide Body SOIC-16 Package and Extra-Wide Body SOIC-16 Package Options
  • feature
    Wide Supply Range: 2.25 V to 5.5 V
  • feature
    Wide Temperature Range: u201355u00b0C to +125u00b0C


The ISO7840x device is a high-performance, quadchannel digital isolator with a 8000-VPK isolation voltage. This device has reinforced isolation certifications according to VDE, CSA, CQC, and TUV. The isolator 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 silicon-dioxide (SiO2) insulation barrier. This device comes with enable pins that can be used to put the respective outputs in high impedance for multi-master driving applications and to reduce power consumption. The ISO7840 device has four forward and zero reverse-direction channels. If the input power or signal is lost, the default output is high for the ISO7840 device and low for the ISO7840F device. See the Device Functional Modes section for further details. Used in conjunction with isolated power supplies, this device helps prevent noise currents on a data bus or other circuits from entering the local ground and interfering with or damaging sensitive circuitry. Through innovative chip design and layout techniques, electromagnetic compatibility of the ISO7840 device has been significantly enhanced to ease system-level ESD, EFT, surge, and emissions compliance. The ISO7840 device is available in 16-pin SOIC wide-body (DW) and extra-wide body (DWW) packages.


No. of Channels:
4 Channel
Propagation Delay:
Supply Voltage Min:
Supply Voltage Max:
Interface Case Style:
No. of Pins:
Operating Temperature Min:
Operating Temperature Max:
Product Range:
Automotive Qualification Standard:
RoHS Phthalates Compliant:
MSL 2 - 1 year
No SVHC (27-Jun-2018)

Alternate Descriptions

Avnet America

High-Performance Reinforced Digital Isolator 8000VPK 100Mbps 4-Channel 2.25V to 5.5V 16-Pin SOIC T/R

Texas Instruments

High-immunity, 100-Mbps, 5.7-kVRMS reinforced quad-channel 4/0 digital isolator

Texas Instruments product