PA6021

CMOS IC

UNISONICTECHNOLOGIESCO.,LTD

2 of 6

www.unisonic.com.tw

QW-R502-257.A

PIN CONFIGURATION

9

8

7

6

5

4

3

2

1

18

17

16

14

15

13

12

11

10

19

20

PGND

PGND

SE/BTL

AGND

FADE

SHUTDOWN

NC

BYPASS

VOLUME

PIN DESCRIPTION

PIN #

PIN NAME

I/O

DESCRIPTION

16

BYPASS

I

Tap to voltage divider for internal midsupply bias generator used for

analog reference

15

FADE

I

Places the amplifier in fade mode if a logic low is placed on this terminal;

normal operation if logic high is placed on this terminal.

17

AGND

Analog power supply ground

7

I

Left channel negative input for fully differential input.

8

I

Left channel positive input for fully differential input.

10

O

Left channel negative audio output

12

O

Left channel positive audio output.

13

NC

No connection

1,11

PGND

Power ground

3,9

Supply voltage terminal for power stage

5

I

Right channel negative input for fully differential input.

4

I

Right channel positive input for fully differential input.

2

O

Right channel negative audio output

20

O

Right channel positive audio output

19

SE/BTL

I

Output control. When this terminal is high, SE outputs are selected. When

this terminal is low, BTL outputs are selected.

14

SHUTDOW

I

Places the amplifier in shutdown mode if a TTL logic low is placed on this

terminal

6

Supply voltage terminal

18

VOLUME

I