INA821 datasheet(14/45 Pages) TI

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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)

Frequency (Hz)

100

120

140

100

10k

100k

10M

PSRR

G = 1/2

Figure 6-25. PSRR vs Frequency (RTI)

Frequency (Hz)

100

120

140

100

10k

100k

10M

PSRR

G = 2

Figure 6-26. PSRR vs Frequency (RTI)

Gain Error (%)

10%

20%

30%

40%

50%

0.03

0.005

0.01

0.015

0.02

0.025

N = 470

Mean = 0.0085%

Std. Dev. = 0.0014%

G = 1/2

Figure 6-27. Typical Distribution of Gain Error

Gain Error (%)

10%

20%

30%

40%

50%

-0.03

-0.025

-0.02

-0.015

-0.01

-0.005

N = 470

Mean = –0.0076%

Std. Dev. = 0.0015 %

G = 2

Figure 6-28. Typical Distribution of Gain Error

Temperature ( C )

-40

-20

100

120

140

0.002

0.0025

0.003

0.0035

0.004

0.0045

0.005

0.0055

0.006

0.0065

0.007

0.0075

0.008

0.0085

0.009

0.0095

G = 1/2

30 Units

Figure 6-29. Gain Error vs Temperature

Temperature ( C )

-40

-20

100

120

140

-0.01

-0.0095

-0.009

-0.0085

-0.008

-0.0075

-0.007

-0.0065

-0.006

-0.0055

-0.005

-0.0045

-0.004

-0.0035

-0.003

-0.0025

-0.002

G = 2

30 Units

Figure 6-30. Gain Error vs Temperature

INA592

SBOS914E – OCTOBER 2018 – REVISED FEBRUARY 2021

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