TPA0211

2-W MONO AUDIO POWER AMPLIFIER

SLOS275D – JANUARY 2000 – REVISED NOVEMBER 2002

2

POST OFFICE BOX 655303

functional block diagram

4

+

–

1.25*R

R

+

–

50 k

Ω

1

RI

Ci

Audio

Input

VO+

5

+

–

1.25*R

R

+

–

50 k

Ω

8

50 k

Ω

SE/BTL

Control

Shutdown

and Depop Circuitry

SHUTDOWN

2

From

System Control

SE/BTL

6

VO–

CC

100 k

Ω

100 k

Ω

VDD

1 k

Ω

CB

BYPASS

7

BYPASS

BYPASS

BYPASS

BYPASS

BYPASS

VDD

3

VDD

GND

IN

Terminal Functions

TERMINAL

I/O

DESCRIPTION

NAME

NO.

I/O

DESCRIPTION

BYPASS

4

I

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

0.1-

µF to 1-µF capacitor.

GND

7

GND is the ground connection.

IN

1

I

IN is the audio input terminal.

SE/BTL

6

I

When SE/BTL is held low, the TPA0211 is in BTL mode. When SE/BTL is held high, the TPA0211 is in SE mode.

SHUTDOWN

2

I

SHUTDOWN places the entire device in shutdown mode when held low. TTL compatible input.

VDD

3

VDD is the supply voltage terminal.

VO+

5

O

VO+ is the positive output for BTL and SE modes.

VO–

8

O

VO– is the negative output in BTL mode and a high-impedance output in SE mode.