INA821 datasheet(19/45 Pages) TI

19 / 45 page

6.7 Typical Characteristics (continued)

at TA = 25°C, VS = ±18 V, VCM = VOUT = VS / 2, RL = 10 kΩ, REF pin connected to ground, and G = 1/2 (unless otherwise

noted)

Output Amplitude (VRMS)

0.0001

0.001

0.01

0.1

10m

100m

-120

-100

-80

-60

-40

RLoad = 10K :

RLoad = 2k :

RLoad = 600 :

G = 1/2

Figure 6-55. THD+N Ratio vs Output Amplitude

Output Amplitude (VRMS)

0.0001

0.001

0.01

0.1

10m

100m

-120

-100

-80

-60

-40

RLoad = 10K :

RLoad = 2k :

RLoad = 600 :

G = 2

Figure 6-56. THD+N Ratio vs Output Amplitude

Temperature ( C )

-40

-20

100

120

140

0.98

1.02

1.04

1.06

1.08

1.1

G = 1/2

30 Units

Figure 6-57. Supply Current vs Temperature

Temperature ( C )

-40

-20

100

120

140

0.96

0.97

0.98

0.99

1.01

1.02

1.03

1.04

1.05

1.06

1.07

G = 2

30 Units

Figure 6-58. Supply Current vs Temperature

Total Supply ( V )

0.5

1.5

2.5

3.5

4.5

G = 1/2

30 Units

Figure 6-59. Supply Current vs Supply Voltage

Total Supply ( V )

-0.5

0.5

1.5

2.5

3.5

4.5

G = 2

30 Units

Figure 6-60. Supply Current vs Supply Voltage

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INA592

SBOS914E – OCTOBER 2018 – REVISED FEBRUARY 2021

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