ISL28023 Datasheet, PDF (15/55 Pages) Intersil Corporation – Bidirectional current sensing

ISL28023
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)
12
20
V_INPUT = 25mV
10
15
8
10
V_CC = 3V
V_CC = 3.3V
5
6
0
4
2
0
V_OS TC (µV/C)
FIGURE 21. PRIMARY V_BUS V_OS TC
-5
V_CC = 5V
-10
-15
-20-60 _{-40 -20}
V_INPUT = 25mV
0 20 40 60 80 100 120 140 160
TEMPERATURE (°C)
FIGURE 22. PRIMARY V_BUS V_OS vs TEMPERATURE
8
7
ISL28023-12 (1V TO 16V)
6
ISL28023-60 (12V TO 60V)
5
4
3
2
1
0
GAIN ERROR (%)
FIGURE 23. PRIMARY V_BUS ADC GAIN ERROR
6
ISL28023-60
5 (12V TO 60V)
ISL28023-12 (1V TO 16V)
4
3
2
1
0
GAIN ERROR TC (ppm/C)
FIGURE 24. PRIMARY V_BUS ADC GAIN ERROR TC
0.7
V_CC (12) = 3V
0.5
0.3
V_CC (60) = 3V
0.1
-0.1
V_CC (12) = 3.3V
-0.3
V_CC (60) = 3.3V
-0.5
V_CC (12) = 5V
V_CC (60) = 5V
-0.7
0
8
16 24 32 40 48 56 64
V_INPUT (V)
FIGURE 25. PRIMARY V_BUS MEASUREMENT ERROR vs INPUT
0.7
V_CC (60) = 3V
0.5
V_CC (12) = 3.3V
V_CC (12) = 3V
0.3
0.1
V_CC (60) = 3.3V
-0.1
-0.3
V_CC (12) = 5V
V_CC (60) = 5V
-0.5
-0.7-60 _{-40 -20 0 20 40 60 80 100 120 140 160}
TEMPERATURE (°C)
FIGURE 26. PRIMARY V_BUS MEASUREMENT ERROR vs TEMPERATURE
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FN8389.5
March 18, 2016