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ISO7721DWV
  • ISO7721DWV

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ISO7721DWV Overview

The ISO772x devices are high-performance, dual-channel digital isolators with 5000 VRMS (DW and DWV packages) and 3000 VRMS (D package) isolation ratings per UL 1577. This family includes devices with reinforced insulation ratings according to VDE, CSA, TUV and CQC. The ISO7721B device is designed for applications that require basic insulation ratings only.

The ISO772x devices provide 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. The ISO7720 device has both channels in the same direction while the ISO7721 device has both channels in the opposite direction. In the event of input power or signal loss, the default output is high for devices without suffix F and low for devices with suffix F. See the Device Functional Modes section for further details.

Used in conjunction with isolated power supplies, these devices help prevent noise currents on data buses, such as RS-485, RS-232, and CAN, from damaging sensitive circuitry. Through innovative chip design and layout techniques, the electromagnetic compatibility of the ISO772x devices has been significantly enhanced to ease system-level ESD, EFT, surge, and emissions compliance. The ISO772x family of devices is available in 16-pin SOIC wide-body (DW), 8-pin SOIC wide-body (DWV), and 8-pin SOIC narrow-body (D) packages.

ISO7721DWV

Features

  • 100 Mbps data rate
  • Robust isolation barrier:
  • RMS
  • Up to 5000 V
  • RMS
  • Up to 12.8 kV surge capability
  • 2.25-V to 5.5-V level translation
  • Default output
  • High
  • Low
  • Wide temperature range: –55°C to +125°C
  • Low power consumption, typical 1.7 mA per channel at 1 Mbps
  • Low propagation delay: 11 ns typical
  • Robust electromagnetic compatibility (EMC)
  • System-Level ESD, EFT, and surge immunity
  • Low emissions
  • Wide-SOIC (DW-16, DWV-8) and Narrow-SOIC (D-8) package options
  • Automotive Version Available:
  • ISO772x-Q1
  • Safety-related certifications:
  • CSA, CQC and TUV certifications

Product Parameters

  • genericPartNumber

    ISO7721

  • partDescription

    Robust EMC, dual-channel, 1/1, reinforced digital isolator

  • statusDescription

    This product has been released to the market and is available for purchase. For some products, newer alternatives may be available.

  • packageQtyCarrier

    64|TUBE

  • orderablePartNumber

    ISO7721DWV

  • statusDisplay

    ACTIVE

  • packageQuantity

    64

  • packagePins

    SOIC (DWV)|8

Technical Documents

  • Reducing System Cost, Size and Power in Isolated DAQ Systems Using ADS122U04 (Rev. A)Details>>

  • Isolation Glossary (Rev. A)Details>>

  • ISO7721-Q1 Functional Safety, FIT Rate, Failure Mode Distribution and Pin FMADetails>>

  • Considerations for Selecting Digital IsolatorsDetails>>

Other distributor's price

Distributor Part # Mfg. Description Price
arrow ISO7721DWV Texas Instruments Digital Isolator CMOS 2-CH 100Mbps 8-Pin SOIC T/R

1000---$1.3167

2000---$1.2588

5000---$1.2015

digikey ISO7721DWV Texas Instruments DGTL ISO 5000VRMS 2CH GP 8SOIC

1000---$1.5216

2000---$1.4850

verical ISO7721DWV Texas Instruments ISO7721 Digital Isolator Evaluation Board

1---$57.5700

chiponestop ISO7721DWV Texas Instruments Isolators

1---$4.1200

10---$2.6300

50---$2.1300

100---$1.9900

mouser ISO7721DWV Texas Instruments Interface Development Tools EVM FOR ISO7721DWV

1---$65.1700