INA821 datasheet(14/45 Pages) TI1

14 / 45 page

Common-Mode Voltage (V)

-15

-12

-9

-6

-3

-0.5

-0.3

-0.1

0.1

0.3

0.5

D028

45qC

25qC

125qC

Temperature (qC)

-50

-30

-10

110

130

150

-40

-20

100

D029

Gain Error (ppm)

-250 -200 -150 -100

-50

100

150

200

250

D026

Input Stage Offset Voltage (PV)

-900

-600

-300

300

600

900

D027

Time (1 s/div)

D024

Time (1 s/div)

D025

INA821

SBOS893D – AUGUST 2018 – REVISED JUNE 2020

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Typical Characteristics (continued)

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

G = 1000

Figure 25. 0.1-Hz to 10-Hz RTI Voltage Noise, G = 1000

G = 1

Figure 26. 0.1-Hz to 10-Hz RTI Current Noise

N = 5412

Mean = 30 ppm

Std. Dev. = 55 ppm

G = 1

Figure 27. Typical Distribution of Gain Error, G = 1

N = 293

Mean = 152 ppm

Std. Dev. = 291 ppm

G = 10

Figure 28. Typical Distribution of Gain Error, G = 10

VS = ±15 V

Figure 29. Input Bias Current vs Common-Mode Voltage

Average of 294 units

G = 1

Figure 30. Gain Error vs Temperature, G = 1

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