TDA8547T datasheet(2/24 Pages) PHILIPS

Nome de Peças	TDA8547T

Descrição Electrónicos	2 x 1 W BTL audio amplifier with output channel switching

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Fabricante Electrônico	PHILIPS [NXP Semiconductors]

Página de início	http://www.nxp.com

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2 / 24 page

1997 Oct 07

2

Philips Semiconductors

Preliminary speciﬁcation

2

× 1 W BTL audio ampliﬁer with output

channel switching

TDA8547

FEATURES

• Selection between output channels

• 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.

APPLICATIONS

• Telecommunication equipment

• Portable consumer products

• Personal computers

• Motor-driver (servo).

GENERAL DESCRIPTION

The TDA8547(T) is a two channel audio power amplifier

for an output power of 2

× 1 W with an 8 Ω load at a 5 V

supply. The circuit contains two BTL amplifiers with a

complementary PNP-NPN output stage and standby/mute

logic. The operating condition of all channels of the device

(standby, mute or on) is externally controlled by the

MODE pin. With the SELECT pin one of the output

channels can be switched in the standby condition. This

feature can be used for loudspeaker selection and also

reduces the quiescent current consumption.

The TDA8547T comes in a SO16 package and the

TDA8547 in a DIP16 package.

QUICK REFERENCE DATA

ORDERING INFORMATION

SYMBOL

PARAMETER

CONDITIONS

MIN.

TYP.

MAX.

UNIT

VCC

supply voltage

2.2

5

18

V

Iq

quiescent current

VCC = 5 V; 2 channels

−

15

22

mA

VCC = 5 V; 1 channel

−

812

mA

Istb

standby current

−−

10

µA

Po

output power

THD = 10%; RL =8 Ω; VCC =5V 1

−−

W

THD

total harmonic distortion

Po = 0.5 W

−

0.15

−

%

SVRR

supply voltage ripple rejection

50

−−

dB

TYPE

NUMBER

PACKAGE

NAME

DESCRIPTION

VERSION

TDA8547T

SO16

plastic small outline package; 16 leads; body width 7.5 mm

SOT162-1

TDA8547

DIP16

plastic dual in-line package; 16 leads (300 mil); long body

SOT38-1

Nº de peça semelhante - TDA8547T

Fabricante Electrônico	Nome de Peças	Folha de dados	Descrição Electrónicos
NXP Semiconductors	TDA8547TS	162Kb / 20P	2 x 0.7 W BTL audio amplifier with output channel switching 1998 Apr 01
NXP Semiconductors	TDA8547TS	524Kb / 21P	2 횞 0.7 W BTL audio amplifier with output channel switching 1998 Apr 01

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Descrição semelhante - TDA8547T

Fabricante Electrônico	Nome de Peças	Folha de dados	Descrição Electrónicos
NXP Semiconductors	TDA8547TS	162Kb / 20P	2 x 0.7 W BTL audio amplifier with output channel switching 1998 Apr 01
	TDA8542	162Kb / 20P	2 x 1 W BTL audio amplifier 1998 Apr 01
	TDA8547TS	524Kb / 21P	2 횞 0.7 W BTL audio amplifier with output channel switching 1998 Apr 01
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	TDA8542TS	205Kb / 20P	2 x 0.7 W BTL audio amplifier 1998 Mar 25
	SA58632	185Kb / 26P	2 x 2.2 W BTL audio amplifier Rev. 01-27 June 2006
	SA58637	155Kb / 22P	2 X 2.2 W BTL audio amplifier Rev. 01-25 February 2008
	TDA8542AT	207Kb / 20P	2 x 1.5 W BTL audio amplifier 1998 Mar 25
	TDA8541	190Kb / 20P	1 W BTL audio amplifier 1998 Apr 01

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