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ISO7721DR

Dual-Channel Digital Isolator

The ISO7721DR is a dual-channel digital isolator from Texas Instruments. View the full ISO7721DR datasheet below including key specifications.

ISO7721DR shares its datasheet with ISO7710, whose page lists every part number it covers.

Official ISO7721DR datasheet (PDF) — the source this page was extracted from.

Manufacturer

Texas Instruments

Category

Interface ICs

Package

SOIC-8

ISO7721DR Key Specifications

ParameterValue
PackageSOIC-8 (D0008B)
Channels2 (dual-channel)
CertificationsVDE and CSA reinforced isolation
Logic InterfaceCMOS / LVCMOS
Isolation Ratingup to 4242 VPK
Isolation BarrierSilicon oxide (SiO2)
Recommended Supply/IO Voltage Range0 V to 5.5 V
Demonstrated Data Rate (EVM Waveform)1 MHz clock

ISO7721DR Overview

Part: ISO77xxD — Texas Instruments

Type: Digital Isolator Evaluation Module

Description: An evaluation module (EVM) for Texas Instruments' ISO77xxD single- and dual-channel digital isolators, supporting devices in an 8-pin SOIC (D) package, capable of galvanic isolations up to 4242 V PK.

Operating Conditions:

  • Supply voltage: 0 V to 5.5 V (recommended operating range for EVM)

Absolute Maximum Ratings:

  • Max galvanic isolation: 4242 V PK

Key Specs:

  • Isolation barrier: Silicon oxide (SiO2)
  • Isolation certification: VDE and CSA reinforced isolation requirements
  • Supported package: 8-pin SOIC (D)
  • Input/output type: CMOS or LVCMOS digital I/Os

Features:

  • High electromagnetic immunity
  • Low emissions
  • Low power consumption
  • Blocks high voltages
  • Isolates grounds
  • Prevents noise currents

Applications:

  • Isolated systems development and analysis

Package:

  • 8-pin SOIC (D)

ISO7721DR Applications

Audiowww.ti.com/audioAutomotive and Transportationwww.ti.com/automotive
Amplifiersamplifier.ti.comCommunications and Telecomwww.ti.com/communications
Data Convertersdataconverter.ti.comComputers and Peripheralswww.ti.com/computers
DLP® Productswww.dlp.comConsumer Electronicswww.ti.com/consumer-apps
DSPdsp.ti.comEnergy and Lightingwww.ti.com/energy
Clocks and Timerswww.ti.com/clocksIndustrialwww.ti.com/industrial
Interfaceinterface.ti.comMedicalwww.ti.com/medical
Logiclogic.ti.comSecuritywww.ti.com/security
Power Mgmtpower.ti.comSpace, Avionics and Defensewww.ti.com/space-avionics-defense
Microcontrollersmicrocontroller.ti.comVideo and Imagingwww.ti.com/video
RFIDwww.ti-rfid.com
OMAP Applications Processorswww.ti.com/omapTI E2E Communitye2e.ti.com
Wireless Connectivitywww.ti.com/wirelessconnectivitywww.ti.com/wirelessconnectivity

ISO7721DR Pin Configuration

Figure 1 shows the ISO7710 single-channel digital isolator pin configuration.

Figure 1. ISO7710 Single-Channel Digital Isolator Pin Configuration

Figure 2 shows the ISO772x dual-channel digital isolator pin configurations.

Figure 2. ISO772x Dual-Channel Digital Isolator Pin Configurations

www.ti.com

Variants on the same datasheet

These parts have exact links to the same datasheet. They are candidates to compare, not verified drop-in replacements; check package, pinout and electrical limits.

Part NumberManufacturerPackage
ISO7710Texas InstrumentsSOIC-8

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  • BQ25895RTWR.A – Texas Instruments, I2C Controlled Single Cell 5-A Fast Charger with MaxChargeTM for High Input Voltage and Adjustable Voltage 3.1-A Boost Operation
  • CH334 – WCH, 4-Port USB 2.0 Hub Controller

All Interface ICs datasheetsAll Texas Instruments datasheets (2,442)

Data on this page is extracted from publicly available manufacturer datasheets using automated tools including AI. It may contain errors or omissions. Always verify specifications against the official manufacturer datasheet before making design or purchasing decisions. See our Terms of Service. Rights holders can submit a takedown request.

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