PAM8124

Document number: DS36627 Rev. 1 - 2

2 of 15

www.diodes.com

October 2013

© Diodes Incorporated

PAM8124

A Product Line of

Diodes Incorporated

Pin Descriptions

Pin

Name

I/O/P

Function

1, 3

PVCCL

P

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

2

SDN

I

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

4

MUTE

I

A logic high on this pin disables the outputs. A low on this pin enables the outputs. TTL logic levels with

compliance to AVCC

5

LIN

I

Audio input for left channel

6

RIN

I

Audio input for right channel

7

VCM

O

Reference for analog cells

8, 9

AGND

P

Analog ground for digital/analog cells in core

10, 12

PVCCR

P

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

11

VCLAMP

P

Internally generated voltage supply for bootstrap. Not to be used as a supply or connected to any

component other than the decoupling capacitor.

13, 14

PGNDR

P

Power ground for right channel H-bridge

15

ROUT

O

Class-D H-bridge output for right channel

16

BSR

I/O

Bootstrap I /O for right channel H-bridge

17

GAIN1

I

Gain select most-significant bit. TTL logic levels with compliance to AVCC

18

GAIN0

I

Gain select least-significant bit. TTL logic levels with compliance to AVCC

19

SE_BTL

I

A logic low on this pin enables one single-ended input in BTL configuration. A logic high on this pin

enables two inputs in SE/BTL configuration. TTL logic levels with compliance to AVCC

20

AVCC

P

High-voltage analog power supply

21

BSL

I/O

Bootstrap I /O for left channel H-bridge

22

LOUT

O

Class-D H-bridge output for left channel

23, 24

PGNDL

P

Power ground for left channel H-bridge

Functional Block Diagram