ISO7421 datasheet(12/30 Pages) TI2

12 / 30 page

VOL − Low-Level Output Voltage − V

VCC1, VCC2 at 3.3 V

G008

VCC1, VCC2 at 5 V

TA = 25°C

TA − Free-Air Temperature − °C

2.52

2.53

2.54

2.55

2.56

2.57

2.58

2.59

2.60

2.61

2.62

−55

−35

−15

105

125

G006

FS+

FS−

VOH − High-Level Output Voltage − V

−90

−80

−70

−60

−50

−40

−30

−20

−10

VCC1, VCC2 at 3.3 V

G007

VCC1, VCC2 at 5 V

TA = 25°C

TA − Free-Air Temperature − °C

−55

−35

−15

105

125

VCC1, VCC2 at 3.3 V

G004

VCC1, VCC2 at 5 V

TA − Free-Air Temperature − °C

0.8

0.9

1.0

1.1

1.2

1.3

1.4

1.5

1.6

−55

−35

−15

105

125

VIT−, 3.3 V

G005

VIT+, 5 V

VIT+, 3.3 V

VIT−, 5 V

ISO7420, ISO7420M, ISO7421

SLLS984I – JUNE 2009 – REVISED JULY 2015

www.ti.com

6.14 Typical Characteristics

Figure 1. Propagation Delay Time vs Free-Air Temperature

Figure 2. Input Voltage Switching Threshold vs Free-Air

Temperature

Figure 3. Fail-Safe Voltage Threshold vs Free-Air

Figure 4. High-Level Output Current vs High-Level Output

Temperature

Voltage

Figure 5. Low-Level Output Current vs Low-Level Output Voltage

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