SLLSEM2I November   2014  – September 2026 ISO7821

PRODUCTION DATA  

  1.   1
  2. 1 Features
  3. 2 Applications
  4. 3 Description
  5. 4 Pin Configuration and Functions
  6. 5 Specifications
    1. 5.1  Absolute Maximum Ratings
    2. 5.2  ESD Ratings
    3. 5.3  Recommended Operating Conditions
    4. 5.4  Thermal Information
    5. 5.5  Power Ratings
    6. 5.6  Insulation Specifications
    7. 5.7  Safety-Related Certifications
    8. 5.8  Safety Limiting Values
    9. 5.9  Electrical Characteristics, 5V
    10. 5.10 Electrical Characteristics, 3.3V
    11. 5.11 Electrical Characteristics, 2.5V
    12. 5.12 Switching Characteristics, 5V
    13. 5.13 Switching Characteristics, 3.3V
    14. 5.14 Switching Characteristics, 2.5V
    15. 5.15 Insulation Characteristics Curves
    16. 5.16 Typical Characteristics
  7. 6 Parameter Measurement Information
  8. 7 Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagram
    3. 7.3 Feature Description
    4. 7.4 Device Functional Modes
      1. 7.4.1 Device I/O Schematics
  9. 8 Application and Implementation
    1. 8.1 Application Information
    2. 8.2 Typical Application
      1. 8.2.1 Design Requirements
      2. 8.2.2 Detailed Design Procedure
        1. 8.2.2.1 Electromagnetic Compatibility (EMC) Considerations
      3. 8.2.3 Application Performance Curve
    3. 8.3 Power Supply Recommendations
    4. 8.4 Layout
      1. 8.4.1 PCB Material
      2. 8.4.2 Layout Guidelines
      3. 8.4.3 Layout Example
  10. 9 Device and Documentation Support
    1. 9.1 Related Documentation
      1. 9.1.1 Related Documentation
    2. 9.2 Receiving Notification of Documentation Updates
    3. 9.3 Support Resources
    4. 9.4 Trademarks
    5. 9.5 Electrostatic Discharge Caution
    6. 9.6 Glossary
  11. 10Revision History
  12. 11Mechanical, Packaging, and Orderable Information

Package Options

Refer to the PDF data sheet for device specific package drawings

Mechanical Data (Package|Pins)
  • DWW|16
  • DW|16
Thermal pad, mechanical data (Package|Pins)
Orderable Information

10 Revision History

Changes from Revision H (November 2024) to Revision I (September 2026)

  • Updated the certification information for VDE and IEC standards throughout the documentGo
  • Updated the Safety and Regulatory Approvals listGo
  • Changed the Power Dissipation Characteristics section to the Power Ratings sectionGo
  • Updated the Insulation Specifications sectionGo
  • Updated the Safety-Related Certifications section to remove content that is found in the associated certificatesGo
  • Updated the Safety Limiting Values section to add links to thermal derating curves and moved the curves to the new Insulation Characteristics Curves sectionGo
  • Added the Insulation Characteristics Curves sectionGo

Changes from Revision G (July 2022) to Revision H (November 2024)

  • Updated the numbering format for tables, figures, and cross-references throughout the documentGo
  • Added content from the High Voltage Feature Description section to the Specifications sectionGo
  • Changed the Regulatory Information Section to the Safety-related Certifications section and moved to the Specifications sectionGo
  • Moved the Safety Limiting Values to the Specifications sectionGo

Changes from Revision F (March 2016) to Revision G (July 2022)

  • Updated the numbering format for tables, figures, and cross-references throughout the document. Go

Changes from Revision E (December 2015) to Revision F (March 2016)

  • Changed the Safety and Regulatory Approvals list of Section 1 Go
  • Added Section 1 "TUV Certification per EN 61010-1 and EN 60950-1" Go
  • Changed text in the first paragraph of the Description From: "certifications according to VDE, CSA, and CQC". To: "certifications according to VDE, CSA, CQC, and TUV." Go
  • Added TUV to the Safety-Related Certifications section and Table 4. Deleted Note 1 in Table 4 Go
  • Changed Figure 7-3 Go

Changes from Revision D (July 2015) to Revision E (December 2015)

  • Changed Section 1 From: 8000VPK VIOTM and 2121 VPK VIORM Reinforced. To: 8000VPK Reinforced...Go
  • Added Section 1: DW Package Certifications Complete; DWW Certifications Planned Go
  • Added text to the Description: and extra-wide body (DWW) packages...Go
  • Added package: Extra wide SOIC, DWW (16) to the Device Information table Go
  • Added the DWW pinout image Go
  • Added the DWW package to the Section 5.4 Go
  • Added the DWW package information to Safety-Related CertificationsGo
  • added DWW-16 package options to Safety Limiting Values Go
  • Changed the MIN value of CMTI in Section 5.9 table From: 70 To: 100kV/µs, deleted the TYP value of 100kV/µs Go
  • Added the DW package value to the Supply Current section of the Section 5.9Go
  • Added the DWW package value to the Supply Current section of the Section 5.9Go
  • Changed the MIN value of CMTI in Section 5.10 table From: 70 To: 100kV/µs, deleted the TYP value of 100kV/µs Go
  • Added the DW package value to the Supply Current section of the Section 5.10Go
  • Added the DWW package value to the Supply Current section of the Section 5.10 Go
  • Changed the MIN value of CMTI in Section 5.11 table From: 70 To: 100 kV/µs, deleted the TYP value of 100 kV/µs Go
  • Added the DW package value to the Supply Current section of the Section 5.11Go
  • Added the DWW package value to the Supply Current section of the Section 5.11 Go
  • Added tPHZ, tPLZ, tPZH, and tPZL to Section 5.13Go
  • Added tPHZ, tPLZ, tPZH, and tPZL to Section 5.14Go
  • Added Figure 6-2 Go
  • Changed Table 7-1 Go
  • Added text to the Section 8.1 section: "isolation voltage per UL 1577." Go

Changes from Revision C (May 2015) to Revision D (July 2015)

  • Added device ISO7821F to the datasheet Go
  • Changed the Description to include: "default output is 'high' for the ISO7821 device and 'low' for the ISO7821F device. Go
  • Changed the Figure 3-1 Go
  • Changed Figure 5-1, Added Figure 5-2Go
  • Changed tPLH and tPHL From: 5.5V to 5V in Figure 5-8 Go
  • Changed Figure 6-3 Go
  • Changed the Section 7.2 Go

Changes from Revision B (April 2015) to Revision C (May 2015)

  • Changed From: VCC1 and VCC2 To: VCCI and VCCO, GND1 and GND2 To: GNDI and GNDO and added Notes 1 and 2 in the Figure 3-1 Go
  • Changed the MIN value of CMTI in Section 5.9 table From: 50 To: 70kV/µs Go
  • Changed the MIN value of CMTI in Section 5.10 table From: 50 To: 70kV/µs Go
  • Changed the MIN value of CMTI in Section 5.11 table From: 50 To: 70 kV/µs Go
  • Added sentence "If the EN pin is available and low then the output goes to high impedance." to the Section 7.1 section Go
  • Changed the Section 7.2 to include the EN pin on the Receiver sideGo
  • Changed "ISO782W functional modes" To: "ISO7821DW functional modes" in Section 7.4Go
  • Changed Table 7-1 title From: "Functional Table" To: "ISO7821DW Function Table"Go
  • Added the Section 7.4.1 section Go
  • Changed device number ISO7821 To: ISO7821DW in Figure 8-2Go

Changes from Revision A (December 2014) to Revision B (April 2015)

  • Changed the document title From: "Channel Digital Isolator" To: "Channel 1/1 Digital Isolator" Go
  • Added Section 1: 2.25V to 5.5V Level TranslationGo
  • Changed the Safety and Regulatory Approvals list of Section 1 Go
  • Changed text in the Description From: "This device is being reviewed for reinforced isolation certification by VDE and CSA. To: "This device has reinforced isolation certifications according to VDE, CSA, and CQC."Go
  • Added Note (3) to the Section 5.1 tableGo
  • Changed Note (1) of the Section 5.3 table Go
  • Changed columns VDE and CSA to Safety-Related CertificationsGo
  • Changed title From: IEC Safety Limiting Values To: Safety Limiting ValuesGo
  • Changed the table in Safety Limiting Values, added IS DW-16 package optionsGo
  • Changed Figure 5-1 Go
  • Changed From: VCCX To: VCCO In VOH of the Section 5.9 table Go
  • Changed From: VCCX To: VCCO In VI(HYS) of the Section 5.9 table Go
  • Changed From: VCCX To: VCCI In IIH of the Section 5.9 table Go
  • Changed From: VCCX To: VCCI In CMTI of the Section 5.9 table Go
  • Changed From: VCCX To: VCCI In Supply Current, DC Signal of the Section 5.9 tableGo
  • Changed Note (1) of the Section 5.9 table Go
  • Changed From: VCCX To: VCCO In VOH of the Section 5.10 table Go
  • Changed From: VCCX To: VCCO In VI(HYS) of the Section 5.10 table Go
  • Changed From: VCCX To: VCCI In IIH of the Section 5.10 tableGo
  • Changed From: VCCX To: VCCI In CMTI of the Section 5.10 table Go
  • Changed From: VCCX To: VCCI In Supply Current, DC Signal of the Section 5.10 table Go
  • Changed Note (1) of the Section 5.10 table Go
  • Changed From: VCCX To: VCCO In VOH of the Section 5.11 table Go
  • Changed From: VCCX To: VCCI In IIH of the Section 5.11 table Go
  • Changed From: VCCX To: VCCI In Supply Current, DC Signal of the Section 5.11 table Go
  • Changed Note (1) of the Section 5.11 table Go
  • Changed Figure 6-1 Go
  • Changed From: VCC1 To: VCCI in Figure 6-3 Go
  • Changed Figure 6-4 Go
  • Deleted INPUT-SIDE and OUTPUT-SIDE from columns 1 and 2 of Table 7-1 Go
  • Changed Note (1) of Table 7-1 Go
  • Changed the Section 8.1 sectionGo
  • Changed the Section 8.2 section and Figure 8-1Go
  • Added text and Figure 8-2 to the Section 8.2.2 section Go

Changes from Revision * (November 2014) to Revision A (December 2014)

  • Changed From: A product preview that included only page 1 and the pinout section To: A complete datasheet Go
  • Changed From: VCCX To: VCCO In IOH and IOL of the Section 5.3 table Go
  • Changed From: VCCX To: VCCI In VIH and VIL of the Section 5.3 table Go