AD8139

Rev. A | Page 8 of 24

PIN CONFIGURATION AND FUNCTION DESCRIPTIONS

–IN

1

V+

3

+OUT

4

+IN

8

NC

7

V–

6

–OUT

5

NC = NO CONNECT

AD8139

Figure 4. Pin Configuration

Table 5. Pin Function Descriptions

Pin No.

Mnemonic

Description

1

−IN

Inverting Input.

2

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

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

NC

No Internal Connection.

8

+IN

Noninverting Input.

60.4

Ω

60.4

Ω

50

Ω

TEST

SIGNAL

SOURCE

50

Ω

–

+

AD8139

Figure 5. Basic Test Circuit

60.4

Ω

60.4

Ω

50

Ω

TEST

SIGNAL

SOURCE

50

Ω

–

+

AD8139

Figure 6. Capacitive Load Test Circuit, G = +1