ISL28022 Datasheet, PDF (9/28 Pages) Intersil Corporation – Precision Digital Power Monitor

ISL28022
Typical Performance Curves
T_A = +25°C, V_CC = 3.3V, V_INP = V_BUS = 12V, S(B)ADC =15; unless otherwise specified. (Continued)
1.0
70
0.8
V_SHUNT (DIFF) = 32mV
V_SHUNT (CMV) = 12V
60
0.6
SADC = 15
0.4
V_CC = 3.3V
50
0.2
40
0
-0.2
30
-0.4
-0.6
V_CC = 3V
V_CC = 5.5V
20
10
-0.8
-1.0
-50 -25
0
25
50
75
TEMPERATURE (°C)
100 125
0
-0.30 -0.25 -0.20 -0.15 -0.10 -0.05 0 0.05 0.10 0.15 0.20 0.25 0.30
V_BUS MEASUREMENT ERROR (%)
FIGURE 6. V_SHUNT GAIN vs TEMPERATURE
FIGURE 7. V_BUS MEASUREMENT ERROR DISTRIBUTION
1.0
0.8
0.6
0.4
0.2
0
-0.2
-0.4
-0.6
-0.8
-1.0
0
V_CC = 5.5V
V_CC = 3V
V_CC = 3.3V
8 16 24 32 40 48 56 64
V_BUS (V)
FIGURE 8. V_BUS MEASUREMENT ERROR vs V_BUS (T_A = +25°C)
1.0
0.8
0.6
0.4
0.2
0
-0.2
-0.4
-0.6
-0.8
-1.0
-50
V_CC = 5.5V
V_CC = 3V
V_CC = 3.3V
-25
0
25
50
75 100 125
TEMPERATURE (°C)
FIGURE 9. V_BUS MEASUREMENT ERROR vs TEMPERATURE
155
150
145
140
135
130
125
120
-50
V_SHUNT (dCMV) = 0V TO 60V
SADC = 15
V_CC = 3.3V
V_CC = 3V
V_CC = 5V
-25
0
25
50
75 100 125
TEMPERATURE (°C)
FIGURE 10. CMRR vs TEMPERATURE
800
750
700
650
600
550
500
450
400
350
300
-50
MODE = 4
MODE = 7
-25
0
25
50
75 100 125
TEMPERATURE (°C)
FIGURE 11. SUPPLY CURRENT vs MODE vs TEMPERATURE
9
FN8386.1
April 26, 2013