Pin No.

Name

Function

1,8,17,24

NC

No Connected

2

RINN

Negative differential audio input for right channel

3

RINP

Positive differential audio input for right channel

4

MUTE

A logic high on this pin disables the outputs and a logic low enables the

outputs.

5

AVDD

5V Analog Supply

6

LINP

Positive differential audio input for left channel

7

LINN

Negative differential audio input for left channel

9,16

PGNDL

Power ground for left channel H-bridge

10,15

PVCCL

Power supply for left channel H-bridge, not connected to PVCCR or AVCC.

11

LOUTN

Class-D 1/2-H-bridge negative output for left channel

12

BSLN

Bootstrap I/O for left channel, negative high-side FET

13

BSLP

Bootstrap I/O for left channel, positive high-side FET

14

LOUTP

Class-D 1/2-H-bridge positive output for left channel

18

PL

Reference voltage for power lim it function

19

V2P5

2.5V Reference for analog cells

20

AGND

Analog Ground

21

VCLAMP

Internally generated voltage supply for bootstrap capacitors.

22

AVCC

High-voltage analog power supply (8V to 26V)

23

SD

Shutdown signal for IC (low= shutdown, high =operational). TTL logic levels

with compliance to VCC.

25,32

PGNDR

Power ground for right channel H-bridge

26,31

PVCCR

Power supply for right channel H-bridge, not connected to PVCCL or

AVCC.

27

ROUTP

Class-D 1/2-H-bridge positive output for right channel

28

BSRP

Bootstrap I/O for right channel, positive high-side FET

29

BSRN

Bootstrap I/O for right channel, negative high-side FET

30

ROUTN

Class-D 1/2-H-bridge negative output for right channel

33

Thermal Pad

Connect to ground. Thermal pad should be soldered down on all

applications to secure the device properly to the printed wiring board.

Pin Descriptions

4

Power Analog Microelectronics, Inc

www.poweranalog.com

PAM8620

15W Stereo Class-D Audio Power Amplifier with Power Limit

10/2012 Rev1.0