TDA8939TH datasheet(1/21 Pages) PHILIPS

tên linh kiện	TDA8939TH

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1.

General description

Zero dead time Class-D 7.5 A power comparator

The TDA8939 is a power comparator designed for use in a high efﬁciency class-D audio

power ampliﬁer system.

It contains power switches, drive logic, protection circuitry, bias circuitry and a fully

differential input stage (comparator).

This device is optimized for applications in fully digital open-loop class-D audio systems

(in combination with a digital PWM controller).

The TDA8939 power comparator operates with high efﬁciency and low dissipation. The

system operates over a wide supply voltage range from

±10 V up to ±30 V.

2.

Features

s Zero dead time switching

s Maximum output current 7.5 A

s Standby mode

s High efﬁciency

s Operating voltage from

±10 V to ±30 V (symmetrical) or 20 V to 60 V (asymmetrical)

s Low quiescent current

s High output power

s Diagnostic output

s Thermal protection, current protection and voltage protection.

3.

Applications

s Television sets

s Home-sound sets

s Multimedia systems

s All mains fed audio systems

s Car audio (boosters).

TDA8939

Zero dead time Class-D 7.5 A power comparator

Rev. 01 — 22 April 2004

Objective data sheet

Số phần tương tự - TDA8939TH

nhà sản xuất	tên linh kiện	bảng dữ liệu	Giải thích chi tiết về linh kiện
NXP Semiconductors	TDA8931	165Kb / 31P	Power comparator 1 X 20 W Rev. 01-14 January 2004
	TDA8931T	165Kb / 31P	Power comparator 1 X 20 W Rev. 01-14 January 2004
	TDA8932	246Kb / 45P	Class-D audio amplifier Rev.02-12 December 2006
	TDA8932B	319Kb / 48P	Class-D audio amplifier Rev. 04-18 December 2008
	TDA8932BT	319Kb / 48P	Class-D audio amplifier Rev. 04-18 December 2008

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Mô tả tương tự - TDA8939TH

nhà sản xuất	tên linh kiện	bảng dữ liệu	Giải thích chi tiết về linh kiện
Cirrus Logic	CS4461	254Kb / 11P	Multi-Bit A/D for Class-D Real-Time PSR Feedback
Intersil Corporation	ISL6745	226Kb / 8P	Bridge Controller with Precision Dead Time Control September 1, 2005
Silicon Laboratories	SI824X	423Kb / 30P	CLASS D AUDIO DRIVER WITH PRECISION DEAD-TIME GENERATOR
Microchip Technology	MCP6V11	3Mb / 40P	7.5 關A, 80 kHz Zero-Drift Op Amps 11/29/11
STMicroelectronics	STGIPS40W60L1	612Kb / 21P	Dead time and interlocking function August 2012 Rev 3
IXYS Corporation	IX21844	307Kb / 14P	Programmable Dead-Time
Silicon Laboratories	SI824X	1Mb / 30P	CLASS D AUDIO DRIVER WITH PRECISION DEAD-TIME GENERATOR
Renesas Technology Corp	ISL6745	418Kb / 8P	Bridge Controller with Precision Dead Time Control
Microchip Technology	MCP6V16	3Mb / 52P	7.5 關A, 80 kHz Zero-Drift Op Amps 05/14/19
Skyworks Solutions Inc.	SI824X	2Mb / 30P	CLASS D AUDIO DRIVER WITH PRECISION DEAD-TIME GENERATOR Revision 0.1 to Revision 0.2

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