Pin Descriptions

3

,

Power Analog Microelectronics Inc

www.poweranalog.com

PAM8615

16W/32W Stereo Class-D Audio Power Amplifier

Pin

N ame

I/O/P

Description

1 .24

OUT_ A

O

H-b ridg e A out put

2

PVCC_ A

P

Power su pply for H-brid ge A, not co nnecte d to PV CC_ B or AVCC

3

S HDN

I

Shu tdown signal for IC (low=shutd own, high=operat io nal). TTL logic

levels with complian ce to AVCC

4

M UTE

I

A logic high on t his p in disables th e outp uts. A low on this pin e nables

the out puts. TTL log ic levels with co mpliance to AVCC

5

IN_A

I

Aud io input for chan ne l A

6

DGND

P

Dig ita l GND

7

IN_B

I

Aud io input for chan ne l B

8

VCM

O

Reference for a nalog ce lls

9

DCV

I

DC volt age setting t he g ain of the amplifier

10

M S_SV

I

Master/Slave sele ct for d eterm in in g dire ct io n of SYNC terminal.

Hig h=M aster mode , S YNC term in al is an out put; Low=Slave m ode,

SY NC terminal accept s a clo ck in put.

11

PVCC_ B

P

Power su pply for H-brid ge B, not co nnecte d to PV CC_ A or AVCC

1 2.13

OUT_ B

O

H-b ridg e B out put

14

PGND_B

P

Power ground for H-bridge B

15

BS T_B

I/ O

Boo tstrap I /O for H-b ridge B hig h-side FET

16

VCLMA P

P

Intern ally generated vo lta ge sup ply f or bootst rap. Not t o be used as a

su pply o r co nnected to an y com po nent other tha n th e deco uplin g

ca pacit or.

17

SYNC

I/ O

Clo ck i np ut/ou tput for synchroni zing multiple cla ss-D d evic es . Directio n

determ ined by MS _SV terminal.

18

A GND

P

Ana lo g GND

19

ROSC

I/ O

Curren t s etting resis tor for ram p g enerator

20

AVDD

P

Ana lo g 5V Re gulated output

21

AVCC

P

Hig h-voltag e an alog p ower supply

22

BS T_A

I/ O

Boo tstrap I /O for H-b ridge A hig h-side FET

23

PGND_A

P

Power ground for H-bridge A

02/2012 Rev1.1

Pin Configuration & Marking Information

TSSOP24

X: Internal Code

Y: Year

WW: Week

LL: Internal Code

OUT_A

PVCC_A

SHDN

MUTE

IN_A

IN_B

VCM

DCV

MS_SV

PVCC_B

OUT_B

OUT_B

PGND_B

BST_B

VCLAMP

SYNC

AGND

AVDD

AVCC

BST_A

PGND_A

OUT_A

17

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

18

19

20

21

22

23

24

DGND

ROSC