ISL28022_15 Datasheet, PDF (12/32 Pages) Intersil Corporation – Precision Digital Power Monitor

ISL28022
Typical Performance Curves T_A = +25°C, V_CC = 3.3V, VINP = V_BUS = 12V, S(B)ADC = 15;
unless otherwise specified. (Continued)
0.5
0.4
0.3
0.2
0.1
0
-0.1
-0.2
-0.3
-0.4
-0.5
0
8
16 24 32 40 48 56 64
V_CM (V)
FIGURE 21. SHUNT I_OS vs COMMON MODE VOLTAGE (MODE 5)
0.0020
0.0015
0.0010
0.0005
0
-0.0005
-0.0010 MODE = 0
-0.0015
MODE = 4
-0.0020
-50 -25
0
25
50
75
TEMPERATURE (°C)
100 125
FIGURE 22. SHUNT I_OS vs TEMPERATURE (MODE 0, 4)
0.0020
0.0015
0.0010
0.0005
0
-0.0005
-0.0010
-0.0015
MODE = 0
MODE = 4
-0.0020
0
8
16 24 32 40 48 56 64
V_CM (V)
FIGURE 23. SHUNT I_OS vs COMMON MODE VOLTAGE (MODE 0, 4)
10
V_IN = 200mV_P-P SINE WAVE
0
-10
SADC = 0
-20
SADC = 1
-30
SADC = 2
-40
SADC = 3
-50
10
100
1k
10k
FREQUENCY (Hz)
FIGURE 24. V_SHUNT BANDWIDTH vs SADC MODE
10
V_IN = 200mV_P-P SINE WAVE
0
-10
SADC = 3
F_EXTCLK = OFF
-20
SADC = 3
F_EXTCLK = 768kHz
-30
SADC = 3
-40 ^{F_EXTCLK = 384kHz}
-50
10
100
1k
10k
FREQUENCY (Hz)
FIGURE 25. V_SHUNT BANDWIDTH vs EXTERNAL CLOCK FREQUENCY
MODE = 5 OR 6
INPUT
SIGNAL
S(B)ADC = 508µs
S(B)ADC = 256µs
S(B)ADC = 72µs
S(B)ADC = 132µs
-0.2 -0.1 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8
TIME (ms)
FIGURE 26. INTERRUPT TIMING
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FN8386.7
October 2, 2015