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1

\SD/FAULT

I

SD/FAULT, multi function pin. When pulled down, place the speaker amplifier in shutdown mode.
General fault reporting including Over-Temp, Over-Current, DC Detect.

2

INA+

I

Positive input terminal for A channel

3

INA-

I

Negative input terminal for A channel

4

PLIMT

I

Set the maximum output voltage before clipping (Limiter Level)

5

GVDD

O

Voltage regulator derived from PVDD supply, connect 1uF to GND (NOTE: This pin is provided as a connection point for filtering capacitors
for this supply and must not be used to power any external circuitry)

6

GAIN

I

Adjust the gain of the speaker amplifier

7

LIM

I

Select the mode of Digital Output Clipper or AGC

8

GGND

G

Ground for gate drive circuitry (this terminal should be connected to the system ground)

9

INB-

I

Negative input terminal for B channel

10

INB+

I

Positive input terminal for B channel

11

AM0

I

AM Avoidance Frequency Selection

12

AM1

I

AM Avoidance Frequency Selection

13

MUTE

I

Mute control terminal, the amplifier is muted when it is pulled high

14

AVDD

P

Analog power supply

15,16,17

PVDD

P

Power Supply for amplifier drivers of B channel

18

BSB+

BST

Connection point for the OUTB+ bootstrap capacitor, which is used to create a power supply for the high-side gate drive for OUTB+

19

OUTB+

O

Positive pin for differential speaker amplifier output B

20

OUTB-

O

Negative pin for differential speaker amplifier output B

21

BSB-

BST

Connection point for the OUTB- bootstrap capacitor, which is used to create a power supply for the high-side gate drive for OUTB-

22

BSA-

BST

Connection point for the OUTA- bootstrap capacitor, which is used to create a power supply for the high-side gate drive for OUTA-

23

OUTA-

O

Negative pin for differential speaker amplifier output A

24

OUTA+

O

Positive pin for differential speaker amplifier output A

25

BSA+

BST

Connection point for the OUTA+ bootstrap capacitor, which is used to create a power supply for the high-side gate drive for OUTA

26,27,28

PVDD

P

Power Supply for amplifier drivers of A channel

PAD

PGND

G

Power ground, make sure connect it to the system ground