TDA8542TS datasheet(2/20 Pages) PHILIPS

No. de pieza	TDA8542TS

Descripción Electrónicos	2 x 0.7 W BTL audio amplifier

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Fabricante Electrónico	PHILIPS [NXP Semiconductors]

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1998 Mar 25

2

Philips Semiconductors

Product speciﬁcation

2

× 0.7 W BTL audio ampliﬁer

TDA8542TS

FEATURES

• Flexibility in use

• Few external components

• Low saturation voltage of output stage

• Gain can be fixed with external resistors

• Standby mode controlled by CMOS compatible levels

• Low standby current

• No switch-on/switch-off plops

• High supply voltage ripple rejection

• Protected against electrostatic discharge

• Outputs short-circuit safe to ground, VCC and across the

load

• Thermally protected.

GENERAL DESCRIPTION

The TDA8542TS is a two channel audio power amplifier

for an output power of 2

× 0.7 W with a 16 Ω load at a 5 V

supply. At a low supply voltage of 3.3 V an output power of

0.6 W with an 8

Ω load can be obtained. The circuit

contains two Bridge-Tied Load (BTL) amplifiers with a

complementary PNP-NPN output stage and standby/mute

logic. The TDA8542TS is available in a SSOP20 package.

APPLICATIONS

• Portable consumer products

• Personal computers

• Motor-driver (servo).

QUICK REFERENCE DATA

ORDERING INFORMATION

SYMBOL

PARAMETER

CONDITIONS

MIN.

TYP.

MAX.

UNIT

VCC

supply voltage

2.2

5

18

V

Iq

quiescent current

VCC =5V

−

15

22

mA

Istb

standby current

−−

10

µA

Po

output power

THD = 10%; RL =8 Ω; VCC = 3.3 V 0.45

0.55

−

W

THD = 10%; RL =16 Ω; VCC = 5 V

0.6

0.7

−

W

THD

total harmonic distortion

Po = 0.4 W

−

0.15

−

%

SVRR

supply voltage ripple rejection

50

−−

dB

TYPE

NUMBER

PACKAGE

NAME

DESCRIPTION

VERSION

TDA8542TS

SSOP20

plastic shrink small outline package; 20 leads; body width 4.4 mm

SOT266-1

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