INA214 datasheet(7/39 Pages) TI1

Part #	INA214

Description	High or Low Side, Bi-Directional CURRENT/POWER MONITOR with Two-Wire Interface

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Manufacturer	TI1 [Texas Instruments]

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2.0

1.5

1.0

0.5

0

-0.5

-1.0

-1.5

0

5

10

15

20

25

V

Voltage(V)

IN-

30

V

S+

=5V

V

5V

S+

=

V

S+

=3V

V

3V

S+

=

V =3V

S

V =5V

S

-

50

-

25

0

25

50

75

100

Temperature( C)

°

125

1.2

1.0

0.8

0.6

0.4

0.2

0

-

50

-

25

0

25

50

75

100

Temperature( C)

°

125

16

14

12

10

8

6

4

2

0

V =5V

S

V =3V

S

1.0

0.9

0.8

0.7

0.6

0.5

0.4

0.3

0.2

0.1

0

1k

10k

100k

1M

10M

SCLFrequency(Hz)

V =5V

S

V =

S

3V

5

4

3

2

1

0

1

2

3

4

5

-

0

1

2

3

4

5

24

25

26

V

(V)

BUS

5V Error

-

3.3V Error

-

5V+Error

3.3V+Error

300

250

200

150

100

50

0

1k

10k

100k

1M

10M

SCLFrequency(Hz)

V =5V

S

V =3V

S

INA220

www.ti.com

SBOS459D – JUNE 2009 – REVISED SEPTEMBER 2010

TYPICAL CHARACTERISTICS (continued)

At TA = +25°C, VIN+ = 12V, VSENSE = (VIN+ – VIN–) = 32mV, PGA = ÷ 1, and BRNG = 1, unless otherwise noted.

INPUT CURRENTS WITH LARGE DIFFERENTIAL

VOLTAGES

(VIN+ at 12V, Sweep of VIN–)

ACTIVE IQ vs TEMPERATURE

Figure 7.

Figure 8.

SHUTDOWN IQ vs TEMPERATURE

ACTIVE IQ vs TWO-WIRE CLOCK FREQUENCY

Figure 9.

Figure 10.

TOTAL PERCENT BUS VOLTAGE ERROR

vs SUPPLY VOLTAGE

SHUTDOWN IQ vs TWO-WIRE CLOCK FREQUENCY

Figure 11.

Figure 12.

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Product Folder Link(s): INA220

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