TPA3131D2, TPA3132D2

SLOS841B – SEPTEMBER 2013 – REVISED JANUARY 2015

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Pin Functions (continued)

PIN

DESCRIPTION

NO.

NAME

23

OUTNR

PO

Negative right channel output

24

GND

G

Ground

25

OUTPR

PO

Positive right channel output

26

BSPR

BST

Boot strap for positive right channel output, connect to 220nF X7R ceramic cap to OUTPR

27

PVCC

PI

Power supply

28

PVCC

PI

Power supply

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

29

SDZ

I

compliance to AVCC.

General fault reporting including Over-current_PVCC, OVP_DVDD

30

FAULTZ

DO

FAULT1Z = High, normal operation

FAULT1Z = Low, fault condition

31

INPR

I

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

32

INNR

I

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

33

Thermal pad

G

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

4

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