INA220B-Q1 Datasheet, PDF (8/39 Pages) Texas Instruments – High- or Low-Side, Bidirectional Current Power Monitor with 2-Wire Interface

INA220B-Q1
SLOS785A – JUNE 2012 – REVISED JUNE 2012
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TYPICAL CHARACTERISTICS (continued)
At T_A = 25°C, V_IN+ = 12 V, V_SENSE = (V_IN+ – V_IN–) = 32 mV, PGA = ÷ 1, and BRNG = 1, unless otherwise noted.
SHUTDOWN I_Q
vs
TEMPERATURE
16
ACTIVE I_Q
vs
2-WIRE CLOCK FREQUENCY
1.0
14
0.9
0.8
12
0.7
10
0.6
V_S = 5 V
8
0.5
V_S = 5 V
V_S = 3 V
6
0.4
4
V_S = 3 V
0.3
0.2
2
0.1
0
-50 -25
0
25
50
75 100 125
0
1k
10k
100k
1M
10M
Temperature (°C)
SCL Frequency (Hz)
Figure 9.
Figure 10.
TOTAL PERCENT BUS VOLTAGE ERROR
vs
SUPPLY VOLTAGE
5
4
3
2
1
0
-1
-2
-3
-4
-5
0
5 V +Error
3.3 V +Error
5 V -Error
3.3 V -Error
1
2
3
4
5
V_BUS (V)
Figure 11.
24 25 26
300
250
200
150
100
50
0
1k
SHUTDOWN I_Q
vs
2-WIRE CLOCK FREQUENCY
V_S = 5 V
V_S = 3 V
10k
100k
1M
10M
SCL Frequency (Hz)
Figure 12.
8
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