ISL28023

FN8389 Rev.6.03

Page 15 of 55

Oct 27, 2022

FIGURE 21. PRIMARY VBUS VOS TC

FIGURE 22. PRIMARY VBUS VOS vs TEMPERATURE

FIGURE 23. PRIMARY VBUS ADC GAIN ERROR

FIGURE 24. PRIMARY VBUS ADC GAIN ERROR TC

FIGURE 25. PRIMARY VBUS MEASUREMENT ERROR vs INPUT

FIGURE 26. PRIMARY VBUS MEASUREMENT ERROR vs TEMPERATURE

Typical Performance Curves T

A = +25°C, VCC = 3.3V, VINP = VBUS = 12V, AUXP = AUXV = 3V,

VSHUNT = VAUXSHUNT = 80mV, Conversion Time: Aux = Primary = 2.05ms, Internal AVG Aux = Primary = 128; unless otherwise specified. (Continued)

0

2

4

6

8

10

12

VOS TC (µV/C)

VINPUT = 25mV

-20

-15

-10

-5

0

5

10

15

20

-60 -40

-20

0

20

40

60

80

100 120 140 160

TEMPERATURE (°C)

VCC = 5V

VCC = 3V

VINPUT = 25mV

VCC = 3.3V

0

1

2

3

4

5

6

7

8

GAIN ERROR (%)

ISL28023-12 (1V TO 16V)

ISL28023-60 (12V TO 60V)

0

1

2

3

4

5

6

GAIN ERROR TC (ppm/C)

ISL28023-12 (1V TO 16V)

ISL28023-60

(12V TO 60V)

-0.7

-0.5

-0.3

-0.1

0.1

0.3

0.5

0.7

0

8

1624

3240

48

5664

VINPUT (V)

VCC (12) = 5V

VCC (12) = 3V

VCC (12) = 3.3V

VCC (60) = 3V

VCC (60) = 5V

VCC (60) = 3.3V

-0.7

-0.5

-0.3

-0.1

0.1

0.3

0.5

0.7

-60

-40 -20

0

20

40

60

80

100 120 140 160

TEMPERATURE (°C)

VCC (12) = 5V

VCC (12) = 3V

VCC (12) = 3.3V

VCC (60) = 5V

VCC (60) = 3V

VCC (60) = 3.3V