TPA6030A4

SLOS395B − DECEMBER 2002 − REVISED JANUARY 2005

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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

PWP 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

VCC

8

I

Supply voltage terminal

VOLUME

23

I

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

THERMAL PAD

−

−

Connect to ground. The thermal pad must be soldered down in all applications to properly secure the

device on the PC board. Properly soldering the thermal pad to the PC board is necessary for achieving

the required heat transfer for device cooling.