ISO7421 datasheet(13/20 Pages) TI

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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

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

VOL − Low-Level Output Voltage − V

VCC1, VCC2 at 3.3 V

G008

VCC1, VCC2 at 5 V

TA = 25°C

ISO7420, ISO7420M

ISO7421, ISO7421M

www.ti.com

SLLS984D – JUNE 2009 – REVISED JULY 2010

TYPICAL CHARACTERISTICS

PROPAGATION DELAY TIME

INPUT VOLTAGE SWITCHING THRESHOLD

FREE-AIR TEMPERATURE

Figure 8.

Figure 9.

FAIL-SAFE VOLTAGE THRESHOLD

HIGH-LEVEL OUTPUT CURRENT

FREE-AIR TEMPERATURE

HIGH-LEVEL OUTPUT VOLTAGE

Figure 10.

Figure 11.

LOW-LEVEL OUTPUT CURRENT

LOW-LEVEL OUTPUT VOLTAGE

Figure 12.

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