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 ISO672xB devices only require two external bypass capacitors to operate.

1

2

3

4

8

7

6

5

INB

OUTA

OUTB

INA

GND2

2 mm maximum

GND2

GND1

2 mm maximum

GND1

0.1 µF

0.1uF

Figure 9-2. Typical ISO672xB Circuit Hook-up

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