9.2.1 Design Requirements

To design with these devices, use the parameters listed in Table 9-1.

Table 9-1. Design Parameters

PARAMETER

VALUE

1.71 V to 1.89 V and 2.25 V to 5.5 V

0.1 µF

0.1 µF

9.2.2 Detailed Design Procedure

Unlike optocouplers, which require external components to improve performance, provide bias, or limit current,

the ISO674x family of devices only require two external bypass capacitors to operate.

1

2

3

4

5

6

7

8

16

15

14

13

12

11

10

9

INA

INB

INC

OUTD

OUTA

OUTB

OUTC

IND

GND2

2 mm maximum

EN2

GND2

EN1

GND1

2 mm maximum

GND1

0.1 µF

0.1 µF

Figure 9-2. Typical ISO674x Circuit Hook-up

ISO6741

SLLSFJ6A – AUGUST 2020 – REVISED OCTOBER 2020

www.ti.com

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