INA3221 datasheet(9/46 Pages) TI1

Part #	INA3221

Description	Triple-Channel, High-Side Measurement, Shunt and Bus Voltage Monitor with I2C- and SMBUS-Compatible Interface

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Manufacturer	TI1 [Texas Instruments]

Direct Link	http://www.ti.com

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300

350

400

450

500

550

600

650

700

0.01

0.1

1

4

Frequency (MHz)

G018

0

50

100

150

200

250

300

350

0.01

0.1

1

4

Frequency (MHz)

G019

200

250

300

350

400

450

500

−50

−25

0

25

50

75

100

125

150

Temperature (°C)

G016

0

0.5

1

1.5

2

2.5

3

3.5

−50

−25

0

25

50

75

100

125

150

Temperature (°C)

G017

0

5

10

15

20

25

30

−50

−25

0

25

50

75

100

125

150

Temperature (°C)

IB+

IB−

G014

0

50

100

150

200

250

300

350

400

450

−50

−25

0

25

50

75

100

125

150

Temperature (°C)

IB+, IB−

G015

9

INA3221

www.ti.com

SBOS576B – MAY 2012 – REVISED MARCH 2016

Product Folder Links: INA3221

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Typical Characteristics (continued)

at TA = 25°C, VS = 3.3 V, VIN+ = 12 V, VSHUNT = (VIN+) – (VIN–) = 0 mV, and VBUS = VIN– = 12 V (unless otherwise noted)

Figure 13. Input Bias Current vs Temperature

Figure 14. Input Bias Current vs Temperature (Shutdown)

Figure 15. Active IQ vs Temperature

Figure 16. Shutdown IQ vs Temperature

Figure 17. Active IQ vs I

2C Clock Frequency

Figure 18. Shutdown IQ vs I

2C Clock Frequency

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