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PARAMETER MEASUREMENT INFORMATION

Audio

Input

Bias

Control

6

5

7

1

2

4

BYPASS

IN -

1

µF

0.1

µF

SHUTDOWN

8

GND

3

IN+

-

+

-

+

TPA321

SLOS312C – JUNE 2000 – REVISED JUNE 2004

Terminal Functions

TERMINAL

I/O

DESCRIPTION

NAME

NO.

BYPASS is the tap to the voltage divider for internal mid-supply bias. This terminal should be connected

BYPASS

2

I

to a 0.1-µF to 1-µF capacitor when used as an audio amplifier.

GND

7

GND is the ground connection.

IN-

4

I

IN- is the inverting input. IN- is typically used as the audio input terminal.

IN+

3

I

IN+ is the noninverting input. IN+ is typically tied to the BYPASS terminal for SE operations.

SHUTDOWN

1

I

6

5

O

8

O

Figure 1. Test Circuit

4