1

MODSEL

Mode selection logic input (LOW = BD   mode, HIGH = 1 SPW mode). TTL logic levels with compliance to AVCC.

2

SDZ

Shutdown logic input for audio amp (LOW =   outputs Hi-Z, HIGH = outputs enabled). TTL logic levels with compliance to   AVCC.

3

FAULTZ

General fault reporting including   Over-temp, DC Detect. Open drain.
  FAULTZ = High, normal operation
  FAULTZ = Low, fault condition

4

RINP

Positive audio input for right channel.   Biased at 3 V.

5

RINN

Negative audio input for right   channel.Biased at 3 V.

6

PLIMIT

Power limit level adjust. Connect a   resistor divider from GVDD to GND to set power limit. Connect directyto GVDD   for no power limit.

7

GVDD

Internally generated gate voltage supply.   Not to be used as a supply or connected to any component otherthan a 1 uF X7R   ceramic decoupling capacitor and the PLIMlT and GAINSLV resistor dividers.

8

GAIN/SLV

Selects Gain and selects between Master   and Slave mode depending on pin voltage divider.

9

GND

Ground

10

LINP

Positive audio input for left   channel.Biased at 3 V.Connect to GND for PBTL mode.

11

LINN

Negative audio input for left   channel.Biased at 3 V.Connect to GND for PBTL mode.

12

MUTE

Mute signal for fast disablelenable of   outputs (HIGH = outputs Hi-Z,LOW = outputs enabled).TTL logiclevels with   compliance to AVCc.

13

AM2

AM Avoidance Frequency Selection

14

AM1

AM Avoidance Frequency Selection

15

AMO

AM Avoidance Frequency Selection

16

SYNC

Clock input/output for synchronizing   multiple class-D devices. Direction determined by GAIN/SLV terminal.

17

AVCC

Analog Supply

18

PVCC

Power supply

19

PVCC

Power supply

20

BSNL

Boot strap for negative left channel   output, connect to 220 nF X5R, or better ceramic cap to OUTNL

21

OUTNL

Negative left channel output

22

GND

Ground

23

OUTPL

Positive left channel output

24

BSPL

Boot strap for positive left channel   output, connect to 220 nF X5R, or better ceramic cap to OUTPL

25

GND

Ground

26

BSNR

Boot strap for negative right channel   output, connect to 220 nF X5R, or better ceramic cap to OUTNR

27

OUTNR

Negative right channel output

28

GND

Ground

29

OUTPR

Positive right channel output

30

BSPR

Boot strap for positive right channel   output, connect to 220 nF X5R or better ceramic cap to OUTPR

31

PVCC

Power supply

32

PVCC

Power supply

33

POWERPAD

Connect to GND for best system   performance. If not connected to GND, leave floating.