• Changed the Section 7.2 .................................................................................................................................18

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

Page

• Changed From: VCC1 and VCC2 To: VCCI and VCCO, GND1 and GND2 To: GNDI and GNDO and added Notes

1 and 2 in the Simplified Schematic .................................................................................................................. 1

• Changed the MIN value of CMTI in Section 5.6 table From: 50 To: 70 kV/µs ................................................... 6

• Changed the MIN value of CMTI in Section 5.7 table From: 50 To: 70 kV/µs ................................................... 7

• Changed the MIN value of CMTI in Section 5.8 table From: 50 To: 70 kV/µs ................................................... 8

• Changed the Installation classification of the Table 5-1 to include DW package information.............................8

• Added sentence "If the EN pin is available and low then the output goes to high impedance." to the Section

7.1 section ....................................................................................................................................................... 18

• Changed the Section 7.2 to include the EN pin on the Receiver side..............................................................18

• Changed "ISO782W functional modes" To: "ISO7821DW functional modes" in Section 7.4 .......................... 20

• Changed Table 7-1 title From: "Functional Table" To: "ISO7821DW Function Table"...................................... 20

• Added the Section 7.4.1 section ......................................................................................................................20

• Changed device number ISO7821 To: ISO7821DW in Figure 8-2 ..................................................................22

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

Page

• Changed the document title From: "Channel Digital Isolator" To: "Channel 1/1 Digital Isolator" .......................1

• Added Section 1: 2.25V to 5.5V Level Translation............................................................................................. 1

• Changed the Safety and Regulatory Approvals list of Section 1 .......................................................................1

• Changed text in the Section 3 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.".....1

• Added Note (3) to the Section 5.1 table............................................................................................................. 4

• Changed From: VCCX To: VCCO In IOH and IOL of the Section 5.3 table .............................................................4

• Changed From: VCCX To: VCCI In VIH and VIL of the Section 5.3 table ..............................................................4

• Changed Note (1) of the Section 5.3 table ........................................................................................................ 4

• Changed From: VCCX To: VCCO In VOH of the Section 5.6 table ........................................................................6

• Changed From: VCCX To: VCCO In VI(HYS) of the Section 5.6 table ....................................................................6

• Changed From: VCCX To: VCCI In IIH of the Section 5.6 table ............................................................................6

• Changed From: VCCX To: VCCI In CMTI of the Section 5.6 table .......................................................................6

• Changed From: VCCX To: VCCI In Supply Current, DC Signal of the Section 5.6 table.......................................6

• Changed Note (1) of the Section 5.6 table ........................................................................................................ 6

• Changed From: VCCX To: VCCO In VOH of the Section 5.7 table ........................................................................7

• Changed From: VCCX To: VCCO In VI(HYS) of the Section 5.7 table ....................................................................7

• Changed From: VCCX To: VCCI In IIH of the Section 5.7 table.............................................................................7

• Changed From: VCCX To: VCCI In CMTI of the Section 5.7 table .......................................................................7

• Changed From: VCCX To: VCCI In Supply Current, DC Signal of the Section 5.7 table ..................................... 7

• Changed Note (1) of the Section 5.7 table ........................................................................................................ 7

• Changed From: VCCX To: VCCO In VOH of the Section 5.8 table ........................................................................8

• Changed From: VCCX To: VCCI In IIH of the Section 5.8 table ............................................................................8

• Changed From: VCCX To: VCCI In Supply Current, DC Signal of the Section 5.8 table ..................................... 8

• Changed Note (1) of the Section 5.8 table ........................................................................................................ 8

• Changed the Test Condition of CTI in Table 5-3 ................................................................................................8

• Changed the MIN value of CTI From" > 600 V To: 600 V.................................................................................. 8

• Changed Table 5-2 title From: DIN V VDE 0884-10 (VDE V 0884-10) and UL 1577 Insulation Characteristics

To: Added the DWW package to ....................................................................................................................... 8

• Changed Table 5-2 ............................................................................................................................................ 8

• Changed columns VDE and CSA to Table 5-4 ................................................................................................ 11

• Changed title From: IEC Safety Limiting Values To: Section 5.12 ...................................................................12

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ISO7821, ISO7821F

SLLSEM2H – NOVEMBER 2014 – REVISED NOVEMBER 2024

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