Philips Semiconductors

TFA9841J

1-channel audio amplifier (1 x SE)

Preliminary data

Rev. 01 — 06 February 2004

2 of 17

9397 750 12014

© Koninklijke Philips Electronics N.V. 2004. All rights reserved.

4.

Quick reference data

5.

Ordering information

6.

Block diagram

Table 1:

Quick reference data

Symbol Parameter

Conditions

Min

Typ

Max

Unit

supply voltage

operating

9

17

26

V

no signal

-

-

28

V

-

60

100

mA

standby supply current

-

-

10

µA

output power

THD = 10 %

7

7.5

-

W

THD

total harmonic distortion

-

0.1

0.5

%

voltage gain

25

26

27

dB

SVRR

supply voltage ripple

rejection

f = 1 kHz

-

60

-

dB

Table 2:

Ordering information

Type

number

Package

Name

Description

Version

TFA9841J

DBS9P

plastic DIL-bent-SIL power package; 9 leads

(lead length 12/11 mm); exposed die pad

SOT523 -1

Fig 1.

Block diagram.

MDB795

STANDBY

MUTE

ON

SHORT-CIRCUIT

AND

TEMPERATURE

PROTECTION

VREF

0.5VCC

VCC

VCC

9

IN1

−

OUT1

−

SVR

CIV

MODE

3

1

7

2

6

5

GND

4, 8

n.c.

TFA9841J