5 Pin Configuration and Functions

1

FB

8

PD

2

NC

7

VS+

3

IN±

6

OUT

4

IN+

5

VS±

Not to scale

Thermal pad

Figure 5-1. DSG Package

8-Pin WSON With Exposed Thermal Pad

Top View

Table 5-1. Pin Functions

PIN

I/O

DESCRIPTION

NAME

NO.

FB

1

I

Feedback connection to output of amplifier

IN–

3

I

Inverting input

IN+

4

I

Noninverting input

NC

2

—

Do not connect

OUT

6

O

Amplifier output

PD

8

I

Power down connection. PD = logic low = power off mode; PD = logic high = normal operation.

VS–

5

—

Negative voltage supply

VS+

7

—

Positive voltage supply

Thermal pad

—

Connect the thermal pad to VS–

OPA855-Q1

SBOSA57A – FEBRUARY 2021 – REVISED MARCH 2021

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