5 Device Comparison Table

DEVICE

NO. OF

CHANNELS

PACKAGE LEADS

WSON

DSG

INA351A

1

8

6 Pin Configuration and Functions

1

A_OUT

8

A_IN–

2

IN–

7

V+

3

IN+

6

OUT

4

V–

5

A_IN+

Not to scale

Thermal

Pad

Note: Connect Thermal Pad to (V−)

Figure 6-1. DSG Package,

8-Pin WSON With Exposed Thermal Pad

(Top View)

Table 6-1. Pin Functions

PIN

TYPE(1)

DESCRIPTION

NAME

NO.

IN–

2

I

Instrumentation amplifier negative (inverting) input

IN+

3

I

Instrumentation amplifier positive (non-inverting) input

OUT

6

O

Instrumentation amplifier output

A_IN+

5

I

Reference amplifier positive (non-inverting) input. This pin usually connects to a reference

voltage externally.

A_OUT

1

O

Reference amplifier output. This is connected internally to the 60 kΩ resistor of the INA

which is also called as REF node.

A_IN–

8

I

Reference amplifier negative (inverting) input.

V–

4

—

Negative supply

V+

7

—

Positive supply

(1)

I = input, O = output

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INA351A

SBOSAG2 – JUNE 2023

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