TDA8929T datasheet(3/36 Pages) PHILIPS

No de pièce	TDA8929T

Description	Controller class-D audio amplifier

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Fabricant	PHILIPS [NXP Semiconductors]

Site Internet	http://www.nxp.com

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2001 Dec 11

3

Philips Semiconductors

Preliminary speciﬁcation

Controller class-D audio ampliﬁer

TDA8929T

1

FEATURES

• Operating voltage from ±15 to ±30 V

• Very low quiescent current

• Low distortion

• Fixed gain of 30 dB Single-Ended (SE) or 36 dB

Bridge-Tied Load (BTL)

• Good ripple rejection

• Internal switching frequency can be overruled by an

external clock

• No switch-on or switch-off plop noise

• Diagnostic input for short-circuit and temperature

protection

• Usable as a stereo Single-Ended (SE) amplifier or as a

mono amplifier in Bridge-Tied Load (BTL)

• Start-up safety test, to protect for short-circuits at the

output of the power stage to supply lines

• Electrostatic discharge protection (pin to pin).

2

APPLICATIONS

• Television sets

• Home-sound sets

• Multimedia systems

• All mains fed audio systems

• Car audio (boosters).

3

GENERAL DESCRIPTION

The TDA8929T is the controller of a two-chip set for a high

efficiency class-D audio power amplifier system. The

system is divided into two chips:

• TDA8929T; the analog controller chip in a SO24

package

• TDA8926J/ST/TH or TDA8927J/ST/TH; a digital power

stage in a DBS17P, RDBS17P or HSOP24 power

package.

With this chip set a compact 2

× 50 W or 2 × 100 W audio

amplifier system can be built, operating with high efficiency

and very low dissipation. No heatsink is required, or

depending on supply voltage and load, a very small one.

The system operates over a wide supply voltage range

from

±15 up to ±30 V and consumes a very low quiescent

current.

4

ORDERING INFORMATION

TYPE NUMBER

PACKAGE

NAME

DESCRIPTION

VERSION

TDA8929T

SO24

plastic small outline package; 24 leads; body width 7.5 mm

SOT137-1

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