TDA8928ST datasheet(3/23 Pages) PHILIPS

3 / 23 page

2004 May 05

Philips Semiconductors

Preliminary speciﬁcation

Power stage 2 x 10 or 1 x 20 W class-D

audio ampliﬁer

TDA8928J

FEATURES

• High efficiency (> 90 %)

• Supply voltage from ±7.5 V to ±30 V

• Very low quiescent current

• High output power

• Diagnostic output

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

• Electrostatic discharge protection (pin to pin)

• No heatsink required.

APPLICATIONS

• Television sets

• Home-sound sets

• Multimedia systems

• All mains fed audio systems.

GENERAL DESCRIPTION

The TDA8928J is a switching power stage for a high

efficiency class-D audio power amplifier system.

With this power stage a compact 2

× 10 W self oscillating

digital amplifier system can be built, operating with high

efficiency and very low dissipation. No heatsink is

required. The system operates over a wide supply voltage

range from

±7.5 V up to ±30 V and consumes a very low

quiescent current.

QUICK REFERENCE DATA

ORDERING INFORMATION

SYMBOL

PARAMETER

CONDITIONS

MIN.

TYP.

MAX.

UNIT

General

supply voltage

±7.5

±12.5

±30

Iq(tot)

total quiescent current

no load connected; VP = ±12.5 V

−

efﬁciency

Po = 10 W; RL =8 Ω; VP = ±12.5 V

−

Stereo single-ended conﬁguration

output power

RL =8 Ω; THD = 10 %; VP = ±12.5 V

−

RL =16 Ω; THD = 10 %; VP = ±12.5 V −

−

TYPE

NUMBER

PACKAGE

NAME

DESCRIPTION

VERSION

TDA8928J

DBS17P

plastic DIL-bent-SIL power package; 17 leads (lead length 7.7 mm)

SOT243-3

TDA8928ST

RDBS17P

plastic rectangular DIL-bent-SIL power package; 17 leads (row

spacing 2.54 mm)

SOT577-2

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