4 Device Comparison Table

PRODUCT

GAIN

R3 AND R4

R1 AND R2

INA199x1

50

20 kΩ

1 MΩ

INA199x2

100

10 kΩ

1 MΩ

INA199x3

200

5 kΩ

1 MΩ

5 Pin Configuration and Functions

1

2

3

6

5

4

OUT

IN

-

IN+

REF

GND

V+

Figure 5-1. DCK Package 6-Pin SC70 Top View

NC

(1)

V+

NC

(1)

IN+

IN+

IN-

IN-

REF

8

9

10

5

4

3

1

2

7

6

GND

OUT

Figure 5-2. RSW Package 10-Pin UQFN Top View

A.

NC(1) denotes no internal connection. These pins can be left floating or connected to any voltage between GND and V+.

Table 5-1. Pin Functions

PIN

I/O

DESCRIPTION

NAME

SC70

UQFN

GND

2

9

Analog

Ground

IN–

5

4, 5

Analog input

Connect to load side of shunt resistor.

IN+

4

2, 3

Analog input

Connect to supply side of shunt resistor.

NC

—

1, 7

—

Not internally connected. Leave floating or connect to ground.

OUT

6

10

Analog output Output voltage

REF

1

8

Analog input

Reference voltage, 0 V to V+

V+

3

6

Analog

Power supply, 2.7 V to 26 V

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INA199

SBOS469H – APRIL 2009 – REVISED OCTOBER 2023

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