INA219BIDR Datasheet, PDF (6/40 Pages) Texas Instruments – Zerø-Drift, Bi-Directional CURRENT/POWER MONITOR with I2C™ Interface

INA219
SBOS448F – AUGUST 2008 – REVISED SEPTEMBER 2011
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TYPICAL CHARACTERISTICS
At T_A = +25°C, V_IN+ = 12V, V_SENSE = (V_IN+ – V_IN–) = 32mV, PGA = ÷ 1, and BRNG = 1, unless otherwise noted.
FREQUENCY RESPONSE
ADC SHUNT OFFSET vs TEMPERATURE
0
100
-10
80
320mV Range
-20
60
160mV Range
-30
40
-40
20
-50
0
-60
-20
80mV Range 40mV Range
-70
-40
-80
-60
-90
-80
-100
10
100
1k
10k
100k
1M
-100
-40 -25
0
25
50
75
100 125
Input Frequency (Hz)
Temperature (°C)
Figure 1.
Figure 2.
ADC SHUNT GAIN ERROR vs TEMPERATURE
100
80
60
40
20
320mV Range ^{160mV Range}
0
-20
-40
80mV Range 40mV Range
-60
-80
-100
-40 -25
0
25
50
75
100 125
Temperature (°C)
Figure 3.
ADC BUS VOLTAGE OFFSET vs TEMPERATURE
50
45
40
35
30
25
20
32V Range
16V Range
15
10
5
0
-40 -25
0
25
50
75
100 125
Temperature (°C)
Figure 4.
ADC BUS GAIN ERROR vs TEMPERATURE
100
80
60
40
16V
20
0
-20
32V
-40
-60
-80
-100
-40 -25
0
25
50
75
100 125
Temperature (°C)
Figure 5.
INTEGRAL NONLINEARITY vs INPUT VOLTAGE
20
15
10
5
0
-5
-10
-15
-20
-0.4 -0.3 -0.2 -0.1 0
0.1 0.2 0.3 0.4
Input Voltage (V)
Figure 6.
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