INA149AIDR datasheet(7/24 Pages) TI

Part #	INA149AIDR

Description	High Common-Mode Voltage Difference Amplifier

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Manufacturer	TI [Texas Instruments]

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−5

−4

−3

−2

−1

0

1

2

3

4

5

Output Voltage (V)

VS = ±5 V

VS = ±2.5 V

RL = 10 kΩ

RL = 2 kΩ

RL = 1 kΩ

G006

−10

−8

−6

−4

−2

0

2

4

6

8

10

−12 −10 −8

−6

−4

−2

0

2

4

6

8

10

12

Output Voltage (V)

VS = ±15 V

RL = 10 kΩ

G014

−10

−8

−6

−4

−2

0

2

4

6

8

10

−12 −10 −8

−6

−4

−2

0

2

4

6

8

10

12

Output Voltage (V)

VS = ±15 V

RL = 2 kΩ

G015

−10

−8

−6

−4

−2

0

2

4

6

8

10

−12 −10 −8

−6

−4

−2

0

2

4

6

8

10

12

Output Voltage (V)

VS = ±15 V

RL = 1 kΩ

G016

−10

−8

−6

−4

−2

0

2

4

6

8

10

−12 −10 −8

−6

−4

−2

0

2

4

6

8

10

12

Output Voltage (V)

VS = ±12 V

RL = 10 kΩ

G062

−20

−15

−10

−5

0

5

10

15

20

0

5

10

15

20

25

30

35

Output Current (mA)

−45°C

+25°C

+85°C

+130°C

G017

INA149

www.ti.com

SBOS579A

– SEPTEMBER 2011 – REVISED NOVEMBER 2011

TYPICAL CHARACTERISTICS (continued)

At TA = +25°C, RL = 2 kΩ connected to ground, and VS = ±15 V, unless otherwise noted.

TYPICAL GAIN ERROR FOR LOW SUPPLY VOLTAGES

(Curves Offset for Clarity)

GAIN NONLINEARITY

Figure 7.

Figure 8.

GAIN NONLINEARITY

Figure 9.

Figure 10.

GAIN NONLINEARITY

OUTPUT VOLTAGE vs LOAD CURRENT

Figure 11.

Figure 12.

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