2

FN6513.2

October 30, 2007

Pinout

ISL54004

(20 LD 4X4 TQFN)

TOP VIEW

Ordering Information

PART

NUMBER

PART

MARKING

TEMP.

RANGE

(°C)

PACKAGE

PKG.

DWG. #

ISL54004IRTZ*

(Note)

540 04IRTZ -40 to +85 20 Ld 4x4 TQFN

Tape and Reel

(Pb-free)

L20.4x4A

*Add “-T” suffix for tape and reel. Please refer to TB347 for details on

reel specifications.

NOTE: These Intersil Pb-free plastic packaged products employ

special Pb-free material sets; molding compounds/die attach materials

and 100% matte tin plate PLUS ANNEAL - e3 termination finish, which

is RoHS compliant and compatible with both SnPb and Pb-free

soldering operations. Intersil Pb-free products are MSL classified at

Pb-free peak reflow temperatures that meet or exceed the Pb-free

requirements of IPC/JEDEC J STD-020.

SPK-

VDD

GND

SPK+

HpR

HO

NC

VDD

SD

INL

1

2

3

4

5

678

9

10

15

14

13

12

11

20

19

18

17

16

Pin Descriptions

PIN

NAME

FUNCTION

3, 6, 12

VDD

System Power Supply

4, 9, 20

GND

Ground Connection

11

INL

Left Channel Audio Input 1

17

INR

Right Channel Audio Input 1

5

HpR

Headphone Right Ouput

7

HpL

Headphone Left Ouput

2

SPK+

Positive Speaker Output

1

SPK-

Negative Speaker Output

14

SD

Shutdown, High to disable amplifiers, Low

for normal operation.

8

HD

Headphone Detection, Internally pulled up to

Headphone Mode if HO = Low

15

HO

Headphone Override, High in Mono Mode,

Low in Headphone Mode if HD = High

16, 18

GS_

Gain Select

10

REF

Common-mode Bias Voltage, By-pass with a

1µF capacitor to GND.

13, 19

NC

No Connect

ISL54004 Truth Table

SD

GS1 GS0 HD

HO

SPK+/SPK-

HpR

HpL

1

X

X

X

X

Disabled

Disabled Disabled

00

00

X

--

00

01

0

-

00

01

1

--

00

10

X

-

00

11

0

-

00

11

1

-

01

00

X

-

01

01

0

-

01

01

1

-

01

10

X

-

01

11

0

-

01

11

1

-

ISL54004