INA351 datasheet(3/40 Pages) TI

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5 Device Comparison Table

DEVICE

NO. OF

CHANNELS

PACKAGE LEADS

SOT-23-8

DDF

WSON

DSG

X2QFN

RUG(1)

INA351ABS

INA351CDS (2)

(1)

Package is preview only.

(2)

Device is preview only.

6 Pin Configuration and Functions

SHDN

IN–

V+

IN+

OUT

V–

REF

Not to scale

Figure 6-1. DDF Package

8-Pin SOT-23

(Top View)

SHDN

IN–

V+

IN+

OUT

V–

REF

Not to scale

Thermal

Pad

Note: Connect Thermal Pad to (V−)

Figure 6-2. DSG Package

8-Pin WSON With Exposed Thermal Pad

(Top View)

Table 6-1. Pin Functions

I/O

DESCRIPTION

NAME

NO.

IN–

Negative (inverting) input

IN+

Positive (non-inverting) input

OUT

—

Output

REF

—

Reference input. This pin internally connects to a reference buffer amplifier in G = 1, unity

gain follower configuration.

Gain select – logic low (G = 10 for INA351ABS and G = 30 for INA351CDS)

Gain select – logic high (G = 20 for INA351ABS and G = 50 for INA351CDS)

Gain select – no connect (G = 20 for INA351ABS and G = 50 for INA351CDS)

SHDN

Shutdown – logic high (device enabled)

Shutdown – logic low (device disabled)

Shutdown – no connect (device enabled)

V–

—

Negative supply

V+

—

Positive supply

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INA351

SBOSAD5 – DECEMBER 2022

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