INA849 datasheet(13/42 Pages) TI

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7.6 Typical Characteristics (continued)

at TA = 25°C, VS = VSOUT = ±15 V, VICM = VOCM = 0 V, RL = 10 kΩ, and G = 1 V/V (unless otherwise noted)

Common-Mode Rejection Ratio ( V/V)

-6

-4

-2

N = 2500

Mean = 0.31 µV/V

Std. dev. = 0.78 µV/V

G = 16 V/V

Figure 7-21. CMRR Distribution

N = 2500

Mean = 5.61 µV/V

Std. dev. = 12.50 µV/V

G = 1 V/V

Figure 7-22. CMRR Distribution

Common-Mode Rejection Ratio ( V/V)

-600

-400

-200

200

400

600

N = 2500

Mean = 44.98 µV/V

Std. dev. = 100 µV/V

G = 0.125 V/V

Figure 7-23. CMRR Distribution

Frequency (Hz)

100

110

120

130

140

10m 100m

100

10k

100k

G = 0.125

G = 0.25

G = 0.5

G = 1

G = 2

G = 4

G = 8

G = 16

Figure 7-24. CMRR vs Frequency (RTI)

Frequency (Hz)

-20

-10

100

110

120

10m 100m

100

10k

100k

No Source Imbalance

Source Imbalance

10k

Source Imbalance

Figure 7-25. CMRR vs Frequency (Unbalanced)

Temperature ( C)

-40

-20

100

120

140

-20

100

120

140

160

180

Typical unit

G = 0.125

G = 0.250

G = 0.5

G = 1

G = 2

G = 4

G = 8

G = 16

Typical unit shown

Figure 7-26. Typical CMRR vs Temperature

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