INA701 datasheet(13/47 Pages) TI2

No. de pieza	INA701

Descripción Electrónicos	INA701 40V, 16-Bit, I2C Output Digital Power Monitor in WCSP With 5mΩ EZShunt™ Technology

PDF	47 Pages

Scroll/Zoom	100%

Fabricante Electrónico	TI2 [Texas Instruments]

Página de inicio	https://www.ti.com

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13 / 47 page

Temperature ( C)

-50

-25

100

125

4.5

5.5

6.5

7.5

8.5

9.5

Figure 6-1. IN+ to IN– Package Resistance vs Temperature

The internal compensation of the INA701 corrects for pin-to-pin resistance increases with temperature, achieving

less than 50ppm/°C drift over the ambient temperature range.

The INA701 is most accurate when measuring currents in the range of 0.1A to 3A. As currents increase the

error in the current measurement also increases. Figure 6-2 below shows how the gain error of the INA701 stays

under 0.4% for the shunt current range of 0.1A to 2.5A.

Shunt Current (A)

0.25

0.5

0.75

1.25

1.5

1.75

2.25

2.5

-0.2

-0.16

-0.12

-0.08

-0.04

0.04

0.08

0.12

0.16

0.2

0.24

0.28

0.32

0.36

0.4

Figure 6-2. Gain Error vs Shunt Current

The change in gain error is consistent enough from device to device that returned values can be scaled up or

down depending on the shunt current to give a more accurate result. For example, to achieve higher accuracy

when measuring currents around 5A, the returned value can be scaled down by approximately 2% as shown in

Figure 6-3.

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INA701

SBOSAM2 – AUGUST 2025

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