TPA6030A4

SLOS395A – DECEMBER 2002 – REVISED JANUARY 2003

www.ti.com

5

PIN ASSIGNMENTS

1

2

3

4

5

6

7

8

9

10

11

12

13

14

28

27

26

25

24

23

22

21

20

19

18

17

16

15

ROUT–

PVCC

SEMAX

RIN1–

RIN1+

RIN2–

RIN2+

VCC

LIN1–

LIN1+

LIN2–

LIN2+

NC

LOUT–

GND

ROUT+

SE/BTL

IN2/IN1

SHUTDOWN

VOLUME

SEDIFF

5VREF

CLK

GND

BYPASS

PVCC

LOUT+

GND

PWD PACKAGE

(TOP VIEW)

NC – No internal connection

Terminal Functions

TERMINAL

I/O

DESCRIPTION

NAME

NO.

I/O

DESCRIPTION

5VREF

21

O

Internal 5-V reference for VOLUME, SEDIFF, and SEMAX pins ONLY

BYPASS

18

I

Connect capacitor to ground for BYPASS midrail voltage supply filtering

CLK

20

I

Connect capacitor to ground to set clock frequency of volume control counter

GND

15, 19, 28

I

Ground

IN2/IN1

25

I

Controls input MUX, high selects IN2 inputs, low selects IN1 inputs

LIN1–

9

I

Left negative differential input, selected when IN2/IN1 is held low

LIN1+

10

I

Left positive differential input, selected when IN2/IN1 is held low

LIN2–

11

I

Left negative differential input, selected when IN2/IN1 is held high

LIN2+

12

I

Left positive differential input, selected when IN2/IN1 is held high

LOUT–

14

O

Left negative output in speaker mode and high impedance in headphone mode

LOUT+

16

I

Left positive output in speaker mode, and positive output in headphone mode

NC

13

No internal connection

PVCC

2,17

I

Power supply for the output stage

RIN1–

4

I

Right negative differential input, selected when IN2/IN1 is held low

RIN1+

5

I

Right positive differential input, selected when IN2/IN1 is held low

RIN2–

6

I

Right negative differential input, selected when IN2/IN1 is held high

RIN2+

7

I

Right positive differential input, selected when IN2/IN1 is held high

ROUT+

27

O

Right positive output in speaker mode, and positive output in headphone mode

ROUT–

1

O

Right negative output in speaker mode (BTL) and high impedance in headphone mode (SE)

SE/BTL

26

I

Determines output mode, high selects headphone mode (SE), low selects speaker mode (BTL)

SEDIFF

22

I

Sets the difference between speaker and headphone volume (from –6 dB down to mute)

SEMAX

3

I

Sets maximum headphone volume. DC range is 0 to 5VREF

SHUTDOWN

24

I

Shutdown terminal (active low, TTL compatible, VCC compliant)

VCC

8

I

Supply voltage terminal

VOLUME

23

I

Master volume control. DC voltage range is 0 to 5VREF