Datasheet4U Logo Datasheet4U.com

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

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).

Key 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.

📥 Download Datasheet

📁 Similar Datasheet

Part Number Description Manufacturer
TDA8933 Class-D audio amplifier NXP Semiconductors
TDA8920TH Class-D audio amplifier 2 x 80W Single chip Philips
TDA8921TH Class-D audio amplifier 2 x 50W single chip Philips
TDA8922B 2 X 50 W class-D power amplifier NXP Semiconductors
TDA8925 Power stage 2 x 15 to 25Wclass-D audio amplifier NXP Semiconductors

Other Datasheets by NXP Semiconductors

Part Number Description
TDA8931 Power comparator
TDA8932 Class-D audio amplifer
TDA8932B Class-D audio amplifer
TDA8920 2 x 50 W class-D power amplifier
TDA8920B 2 X 100 W class-D power amplifier

Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

View original datasheet text
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.