EUA5202

DS5202 Ver 1.6 May. 2005

3

Pin Configurations

Package

Pin Configurations

TSSOP-24 with Thermal

Pad, exposure on the bottom

of the package

Pin Description

PIN

PIN

I/O

DESCRIPTION

LINE

HP/

16

I

Input MUX control input, hold high to select LHP IN or RHP IN (5, 20), hold

low to select LLINE IN or RLINE IN (4, 21)

LBYPASS

6

Tap to voltage divider for left channel internal mid-supply bias

LHPIN

5

I

Left channel headphone input, selected when

LINE

HP/

terminal (16) is held

high

LLINE IN

4

I

Left channel line input, selected when

LINE

HP/

terminal (16) is held low

LOUT+

3

O

Left channel + output in BTL mode, + output in SE mode

LOUT-

10

O

Left channel - output in BTL mode, high-impedance state in SE mode

GND/HS

1,12,13,

24

Ground connection for circuitry, directly connected to thermal pad

7

I

Supply voltage input for left channel and for primary bias circuits

MUTE IN

11

I

Mute all amplifiers, hold low for normal operation, hold high to mute

MUTE OUT

9

O

Follows MUTE IN terminal (11), provides buffered output

NC

17,23

No internal connection

RBYPASS

19

Tap to voltage divider for right channel internal mid-supply bias

RHPIN

20

I

Right channel headphone input, selected when

LINE

HP/

terminal (16) is held

high

RLINEIN

21

I

Right channel line input, selected when

LINE

HP/

terminal (16) is held low

ROUT+

22

O

Right channel + output in BTL mode, + output in SE mode

ROUT-

15

O

Right channel - output in BTL mode, high-impedance state in SE mode

18

I

Supply voltage input for high channel

BTL

SE/

14

I

Hold low foe BTL mod, hold high for SE mode

SHUTDOWN

8

I

2

O

Sources a current proportional to the junction temperature. This terminal should

be left unconnected during normal operation.