TDA8920BTH datasheet(1/34 Pages) PHILIPS

Part #	TDA8920BTH

Description	2 X 100 W class-D power amplifier

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Manufacturer	PHILIPS [NXP Semiconductors]

Direct Link	http://www.nxp.com

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1.

General description

The TDA8920B is a high efﬁciency class-D audio power ampliﬁer with very low

dissipation. The typical output power is 2

× 100 W.

The device is available in the HSOP24 power package and in the DBS23P through-hole

power package. The ampliﬁer operates over a wide supply voltage range from

±12.5 V to ±30 V and consumes a very low quiescent current.

2.

Features

s Zero dead time switching

s Advanced current protection: output current limiting

s Smooth start-up: no pop-noise due to DC offset

s High efﬁciency

s Operating supply voltage from

±12.5 V to ±30 V

s Low quiescent current

s Usable as a stereo Single-Ended (SE) ampliﬁer or as a mono ampliﬁer in Bridge-Tied

Load (BTL)

s Fixed gain of 30 dB in Single-Ended (SE) and 36 dB in Bridge-Tied Load (BTL)

s High output power

s High supply voltage ripple rejection

s Internal switching frequency can be overruled by an external clock

s Full short-circuit proof across load and to supply lines

s Thermally protected.

3.

Applications

s Television sets

s Home-sound sets

s Multimedia systems

s All mains fed audio systems

s Car audio (boosters).

TDA8920B

2

× 100 W class-D power ampliﬁer

Rev. 01 — 1 October 2004

Preliminary data sheet

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TDA8920BTH Datasheet(PDF) 1 Page - NXP Semiconductors

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