5 Device Comparison Table

PRODUCT

REF3425

REF3425T

(1)

2.5 V

REF3430

REF3430T

(1)

3 V

REF3433

REF3433T

(1)

3.3 V

REF3440

REF3440T

(1)

4.096 V

REF3450

REF3450T

(1)

5 V

(1)

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6 Pin Configuration and Functions

Not to scale

OUT_F

OUT_S

IN

GND_F

GND_S

EN

1

2

3

4

5

6

Figure 6-1. REF34xx, DBV Package, 6-Pin SOT-23, Top View

Not to scale

VOUT

NC

IN

NC

GND

NC

1

2

3

4

5

6

Figure 6-2. REF34xxT , DBV Package, 6-Pin SOT-23, Top View

Table 6-1. Pin Functions

PIN

TYPE

DESCRIPTION

NAME

REF34xx

(DBV)

REF34xxT

(DBV) 1

GND_F

1

Ground

Ground force connection.

GND_S

2

Ground

Ground sense connection.

GND

2

Ground

Device ground. All GND pins must be connected to ground for proper operation.

EN

3

Input

Enable connection. Enables or disables the device.

IN

4

4

Power

Input supply voltage connection.

OUT_S

5

Input

Reference voltage output sense connection.

OUT_F

6

Output

Reference voltage output force connection.

VOUT

6

Output

Reference voltage output connection.

NC

1,3,5

-

Not connected. Pin can be left floating or connected to voltage within device

operating range.

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REF3425, REF3430, REF3433, REF3440, REF3450

SBAS804C – SEPTEMBER 2017 – REVISED FEBRUARY 2021

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Product Folder Links: REF3425 REF3430 REF3433 REF3440 REF3450