0-

Resistors

W

Unpopulated C1

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INA230EVM Hardware

3.6.5

VIN+ and VIN– Input filter (R1, R2, and C1)

The INA230EVM has an optional input filter to remove high-frequency noise from the inputs VIN+ and

VIN–. This filter is typically unpopulated. The default values for R1 and R2 are 0-

Ω resistors. Figure 9

shows the typical setup, which is recommended for basic INA230 evaluation.

Figure 9. Typical Filter Setup

3.6.6

Shunt Monitor Configuration and Terminal Blocks T3 and T4

The INA230 is generally used in either a high-side or low-side shunt configuration, as shown in Figure 10.

Terminal block T3 represents V

Depending on the user’s needs, either of these configurations may be used without making any changes

to the INA230EVM board or software.

Figure 10. INA230 Shunt Configurations

11

SBOU124 – March 2012

INA230EVM Evaluation Board and Software Tutorial

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