Texas Instruments INA230 Evaluation Module INA230EVM INA230EVM Datenbogen
Produktcode
INA230EVM
0-
Resistors
W
Unpopulated C1
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-
VIN–. This filter is typically unpopulated. The default values for R1 and R2 are 0-
Ω
resistors.
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
.
Terminal block T3 represents V
BUS
and ground, while terminal block T4 represents VIN+ and VIN–.
Depending on the user’s needs, either of these configurations may be used without making any changes
to the INA230EVM board or software.
to the INA230EVM board or software.
Figure 10. INA230 Shunt Configurations
11
SBOU124 – March 2012
INA230EVM Evaluation Board and Software Tutorial
Copyright © 2012, Texas Instruments Incorporated