AD8139

Data Sheet

Rev. C | Page 8 of 26

PIN CONFIGURATIONS AND FUNCTION DESCRIPTIONS

–IN

VOCM

V+

+OUT

+IN

NIC

V–

–OUT

NOTES

1. NIC = NO INTERNAL CONNECTION.

2. SOLDER THE EXPOSED PADDLE

ON THE BACK OF THE PACKAGE

TO THE GROUND PLANE OR TO

A POWER PLANE.

1

2

3

4

8

7

6

5

AD8139

(Not to Scale)

TOP VIEW

Figure 5. 8-Lead SOIC Pin Configuration

NOTES

1. NIC = NO INTERNAL CONNECTION.

2. SOLDER THE EXPOSED PADDLE

ON THE BACK OF THE PACKAGE

TO THE GROUND PLANE OR TO

A POWER PLANE.

–IN

VOCM

V+

+OUT

NIC

+IN

V–

–OUT

3

4

1

2

6

5

8

7

AD8139

TOP VIEW

(Not to Scale)

Figure 6. 8-Lead LFCSP Pin Configuration

Table 5. Pin Function Descriptions

Pin No.

Mnemonic

Description

1

−IN

Inverting Input.

2

VOCM

An internal feedback loop drives the output common-mode voltage to be equal to the voltage applied to

the VOCM pin, provided the operation of the amplifier remains linear.

3

V+

Positive Power Supply Voltage.

4

+OUT

Positive Side of the Differential Output.

5

−OUT

Negative Side of the Differential Output.

6

V−

Negative Power Supply Voltage.

7

NIC

No Internal Connection.

8

+IN

Noninverting Input.

0

EP

Exposed Paddle. Solder the exposed paddle on the back of the package to the ground plane or to a power plane.