1

OUT1

10

VS

2

IN±1

9

OUT2

3

IN+1

8

IN±2

4

GND

7

IN+2

5

REF1

6

REF2

Not to scale

4

INA181, INA2181

SBOS793A – APRIL 2017 – REVISED AUGUST 2017

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Product Folder Links: INA181 INA2181

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DGS Package

10-Pin VSSOP

Top View

(1)

INA2181 is preview device. See the Package Option Addendum at the end of this data sheet for more information.

Pin Functions: INA2181

PIN

TYPE

DESCRIPTION

NAME

NO.

GND

4

Analog

Ground

IN–1

2

Analog input

Current-sense amplifier negative input for channel 1. For high-side applications, connect to

load side of channel-1 sense resistor. For low-side applications, connect to ground side of

channel-1 sense resistor.

IN+1

3

Analog input

Current-sense amplifier positive input for channel 1. For high-side applications, connect to

bus-voltage side of channel-1 sense resistor. For low-side applications, connect to load side

of channel-1 sense resistor.

IN–2

8

Analog input

Current-sense amplifier negative input for channel 2. For high-side applications, connect to

load side of channel-2 sense resistor. For low-side applications, connect to ground side of

channel-2 sense resistor.

IN+2

7

Analog input

Current-sense amplifier positive input for channel 2. For high-side applications, connect to

bus-voltage side of channel-2 sense resistor. For low-side applications, connect to load side

of channel-2 sense resistor.

OUT1

1

Analog output

Channel 1 output voltage

OUT2

9

Analog output

Channel 2 output voltage

REF1

5

Analog input

REF2

6

Analog input

VS

10

Analog

Power supply pin, 2.7 V to 5.5 V