INA351 datasheet(4/48 Pages) TI2

Part #	INA351

Description	INA351 Cost and Size Optimized, Low Power, 1.8V to 5.5V Selectable Gain Instrumentation Amplifier with Integrated Reference Buffer

PDF	48 Pages

Scroll/Zoom	100%

Manufacturer	TI2 [Texas Instruments]

Direct Link	https://www.ti.com

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4 / 48 page

IN–

IN+

V–

REF

OUT

V+

SHDN

Not to scale

Figure 5-3. RUG Package,

10-Pin X2QFN

(Top View)

Table 5-2. Pin Functions

TYPE(1)

DESCRIPTION

NAME

NO.

IN–

Negative (inverting) input

IN+

Positive (noninverting) 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

5, 10

—

No connect

(1)

I = input, O = output

INA351

SBOSAD5D – DECEMBER 2022 – REVISED NOVEMBER 2024

www.ti.com

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