1

IN+

2

GND

3

IN±

4

OUT

5

VS

Not to scale

1

OUT

2

GND

3

IN+

4

IN±

5

VS

Not to scale

4

INA180, INA2180, INA4180

SBOS741G – APRIL 2017 – REVISED APRIL 2020

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Product Folder Links: INA180 INA2180 INA4180

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Copyright © 2017–2020, Texas Instruments Incorporated

(1)

INA180A devices use pinout A. INA180B devices use pinout B. See the Pin Configuration and Functions section for more information.

5 Device Comparison Table

PRODUCT

NUMBER OF CHANNELS

GAIN (V/V)

1

20

1

50

1

100

1

200

1

20

1

50

1

100

1

200

INA2180A1

2

20

INA2180A2

2

50

INA2180A3

2

100

INA2180A4

2

200

INA4180A1

4

20

INA4180A2

4

50

INA4180A3

4

100

INA4180A4

4

200

6 Pin Configuration and Functions

INA180: DBV Package

5-Pin SOT-23 (Pinout A)

Top View

INA180: DBV Package

5-Pin SOT-23 (Pinout B)

Top View

Pin Functions: INA180 (Single Channel)

PIN

TYPE

DESCRIPTION

NAME

SOT-23

Pinout A

SOT-23

Pinout B

GND

2

2

Analog

Ground

IN–

4

3

Analog input

Current-sense amplifier negative input. For high-side applications,

connect to load side of sense resistor. For low-side applications, connect

to ground side of sense resistor.

IN+

3

1

Analog input

Current-sense amplifier positive input. For high-side applications, connect

to bus-voltage side of sense resistor. For low-side applications, connect

to load side of sense resistor.

OUT

1

4

Analog output

Output voltage

VS

5

5

Analog

Power supply, 2.7 V to 5.5 V