1

2

3

4

5

6

7

8

9

10

15

14

13

12

11

20

19

18

17

16

Top View

LEFTINM

LEFTINP

GND

RIGHTINP

RIGHTINM

HPRIGHT

VDD

GND

HPLEFT

CPVSS

Top View QFN Package (RTJ)

TPA6133A2

www.ti.com

SLOS821 – JUNE 2013

RJT PACKAGE

(Top VIEW)

PIN FUNCTIONS

PIN

INPUT,

OUTPUT,

DESCRIPTION

NAME

PIN QFN

POWER

20

P

supply. Decouple to GND (pin 19 ) with its own 1

μF capacitor.

Charge pump ground. GND must be connected to common supply GND. It is

GND

19

P

the QFN).

Charge pump flying capacitor positive terminal. Connect one side of the flying capacitor

CPP

18

P

to CPP.

Charge pump flying capacitor negative terminal. Connect one side of the flying

CPN

17

P

capacitor to CPN.

Left channel negative differential input. Impedance must be matched to LEFTINP.

LEFTINM

1

I

Connect the left input to LEFTINM when using single-ended inputs.

Left channel positive differential input. Impedance must be matched to LEFTINM. AC

LEFTINP

2

I

ground LEFTINP near signal source while maintaining matched impedance to

LEFTINM when using single-ended inputs.

Negative supply generated by the charge pump. Decouple to pin 19 or a GND plane.

CPVSS

15, 16

P

Use a 1

μF capacitor.

HPLEFT

14

O

Headphone left channel output. Connect to left terminal of headphone jack.

Right channel negative differential input. Impedance must be matched to RIGHTINP.

RIGHTINM

5

I

Connect the right input to RIGHTINM when using single-ended inputs.

Right channel positive differential input. Impedance must be matched to RIGHTINM.

RIGHTINP

4

I

AC ground RIGHTINP near signal source while maintaining matched impedance to

RIGHTINM when using single-ended inputs.

Analog ground. Must be connected to common supply GND. It is recommended that

GND

3, 9, 10, 13

P

package.

12

P

μF capacitor to analog ground (pin 13).

SD

6

I

Shutdown. Active low logic. 5V tolerant input.

Copyright © 2013, Texas Instruments Incorporated

3

Product Folder Links: TPA6133A2