INA351 datasheet(10/48 Pages) TI2

Part #	INA351

Description	INA351 Cost and Size Optimized, Low Power, 1.8V to 5.5V Selectable Gain Instrumentation Amplifier with Integrated Reference Buffer

PDF	48 Pages

Scroll/Zoom	100%

Manufacturer	TI2 [Texas Instruments]

Direct Link	https://www.ti.com

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10 / 48 page

6.6 Typical Characteristics (continued)

at TA = 25°C, VS = (V+) – (V–) = 5.5 V, VIN = (VIN+) – (VIN–) = 0 V, RL = 10 kΩ, CL = 10 pF, VREF = VS / 2, VCM = [(VIN+) +

(VIN–)] / 2 = VS / 2, VOUT = VS / 2 and G = 10 (unless otherwise noted)

Gain Error (%)

H21_

G = 30

N = 36

μ = 0.0067 %

σ = 0.011 %

Figure 6-13. Typical Distribution of Gain Error

Gain Error (%)

H22_

G = 50

N = 36

μ = 0.0035 %

σ = 0.012 %

Figure 6-14. Typical Distribution of Gain Error

Temperature (°C)

-40

-20

100

120

140

-1250

-1000

-750

-500

-250

250

500

750

1000

1250

T01_

G = 10, 20, 30, 50

Figure 6-15. Input Referred Offset Voltage vs Temperature

Temperature (°C)

-40

-20

100

120

140

-0.2

-0.1

0.1

0.2

0.3

0.4

T05_

IB-

IB+

Figure 6-16. Input Bias Current vs Temperature

Temperature (°C)

-40

-20

100

120

140

-5

T06_

Figure 6-17. Input Offset Current vs Temperature

Temperature (°C)

-40

-20

100

120

140

100

105

110

T07_

Vs = 1.8 V

Vs = 3.3 V

Vs = 5.5 V

Figure 6-18. Quiescent Current vs Temperature

INA351

SBOSAD5D – DECEMBER 2022 – REVISED NOVEMBER 2024

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