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ISL28025 Datasheet, PDF (14/47 Pages) Intersil Corporation – Precision Digital Power Monitor with Real Time Alerts
ISL28025
Typical Performance Curves TA = +25°C, VCC = 3.3V, VINP = VBUS = 12V, Auxv = 3V, conversion time;
Aux = Primary = 2.05ms, Internal AVG Aux = Primary = 128, unless otherwise specified. (Continued)
12
20
10
VINPUT = 25mV
15
10
VCC = 3V
VCC = 3.3V
8
5
6
0
4
2
0
VOS TC (µV/C)
FIGURE 21. PRIMARY VBUS VOS TC
-5
VCC = 5V
-10
-15
-20-60 -40 -20
VINPUT = 25mV
0 20 40 60 80 100 120 140 160
TEMPERATURE (°C)
FIGURE 22. PRIMARY VBUS VOS vs TEMPERATURE
8
7
ISL28025-12 (1V TO 16V)
6
ISL28025-60 (12V TO 60V)
5
4
3
2
1
0
GAIN ERROR (%)
FIGURE 23. PRIMARY VBUS ADC GAIN ERROR
6
ISL28025-60 ISL28025-12 (1V TO 16V)
5 (12V TO 60V)
4
3
2
1
0
GAIN ERROR TC (ppm/C)
FIGURE 24. PRIMARY VBUS ADC GAIN ERROR TC
0.7
VCC (12) = 3V
0.5
0.3
VCC (60) = 3V
0.1
-0.1
VCC (12) = 3.3V
-0.3
VCC (60) = 3.3V
-0.5
VCC (12) = 5V
VCC (60) = 5V
-0.7 0
8
16 24 32 40 48 56 64
VINPUT (V)
FIGURE 25. PRIMARY VBUS MEASUREMENT ERROR vs INPUT
0.7
VCC (60) = 3V
0.5
VCC (12) = 3.3V
VCC (12) = 3V
0.3
0.1
-0.1 VCC (60) = 3.3V
-0.3
VCC (12) = 5V
VCC (60) = 5V
-0.5
-0.7
-60 -40 -20 0 20 40 60 80 100 120 140 160
TEMPERATURE (°C)
FIGURE 26. PRIMARY VBUS MEASUREMENT ERROR vs TEMPERATURE
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FN8388.3
June 17, 2015