TDA8939 Datasheet PDF - NXP Zero dead time Class-D 7.5 A power comparator Specs

TDA8939 - Zero dead time Class-D 7.5 A power comparator

Datasheet Summary

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).

Features

s s s s s s s s s Zero dead time switching Maximum output current 7.5 A Standby mode High efﬁciency Operating voltage from ±10 V to ±30 V (symmetrical) or 20 V to 60 V (asymmetrical) Low quiescent current High output power Diagnostic output Thermal protection, current protection and voltage protection. 3.

Datasheet Details

Part number	TDA8939
Manufacturer	NXP
File Size	99.40 KB
Description	Zero dead time Class-D 7.5 A power comparator
Datasheet	TDA8939 Datasheet
Additional preview pages of the TDA8939 datasheet.

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Full PDF Text Transcription

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TDA8939 Zero dead time Class-D 7.5 A power comparator Rev. 01 — 22 April 2004 Objective data sheet 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 s s s s s s s s Zero dead time switching Maximum output current 7.

Published: Sep 25, 2005 |