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Application Note AN-1164 - Infineon Technologies
https://www.infineon.com/dgdl/an-1164.pdf?fileId=5546d462533600a40153559a9bd31120
1. IR Class D Audio HVIC Overview: The IR Class D Audio IC’s are built using a rugged and high voltage silicon platform. The various high voltage IC options in single and multichannel configurations offer key features such as a high speed power MOSFET drivers with internal selectable dead-time and protection functions specifically designed for Class D Audio …
IR Introduces Class D Audio Chipset Featuring the …
https://www.infineon.com/cms/en/about-infineon/press/market-news/2014/irf1449668696208.html
IR Introduces Class D Audio Chipset Featuring the IRS20965 Driver IC with Protected PWM Switching for High Performance Audio Amplifiers. EL SEGUNDO, Calif. — International Rectifier, IR ® (NYSE: IRF), a world leader in power management technology, today introduced a Class D audio chipset comprising the IRS20965 digital audio driver IC with …
Class D Audio Amplifier IC - Infineon Technologies
https://www.infineon.com/cms/en/product/power/class-d-audio-amplifier-ic/
The IRAUDAMP23 evaluation board is a two-channel, 500 W/ch (100 Vrms, 20 Ω at ±148.3 V) half-bridge Class D audio power amplifier for high impedance distribution system. This evaluation board demonstrates how to use the IRS2452AM controller IC, implement protection circuits, and design an optimum PCB layout. IRS2452AM.
Class D Audio Amplifier Design - irf.com
http://www.irf.com/product-info/audio/classdtutorial.pdf
How a Class D Amplifier Works +VCC-V C C Level Shift Dead Time Triangle COMP Error Amp Nch • • Nch • Feed back Class D amplifier uses MOSFETs that are either ON or OFF. PWM technique is used to express analog audio signals with ON or OFF states in output devices. System ÎGate Drive ÎMOSFET ÎDesign Example
Designing Practical High Performance Class D Audio …
http://www.irf.com/product-info/audio/classdtutorial606.pdf
Class-D audio amplifier applications • Key parameters such as R DS(on), Q g, and Q rr are optimised for maximizing efficiency, THD and EMI amplifier performance • Low internal R G distribution guaranteed for better dead time control • New and innovative packages offer greater flexibility and performance • These features make IR Digital Audio MOSFETs the
IR Reference Class D Amp Design - ePanorama.net | …
https://www.epanorama.net/sff/Audio/Circuits/Power_amplifiers-Class-D/IR%20Reference%20Class%20D%20amp%20design.pdf
IRAUDAMP1. High Power Class D Audio Power Amplifier using IR2011S. Features. - Complete Analog Input Class D Audio Power Amplifier - 500W + 500W Peak Stereo (2CH) Output - THD+N=0.008% @1kHz, 100W, 4Ω - High Efficiency 93% @350W, 1kHz, 4Ω - Simple Self Oscillating Half-Bridge Topology - Includes all Local House-keeping Power Supplies - …
Class D Amplifier Design Basics II - irf.com
http://www.irf.com/product-info/audio/classdtutorial2.pdf
Basic Concept of Class D Audio Amplifier COMP Class D Switching Stage LPF Analog signal ÎPWM PWM Amplify ÎAnalog signal V OUT = B (2D-1) In …
Application Note AN-1135 - Infineon Technologies
https://www.infineon.com/dgdl/an-1135.pdf?fileId=5546d462533600a401535599e83610bf
Through the use of IR’s Class D audio chipsets, class D audio amplifiers are achieving superior efficiency and audio quality in today’s audio market. To optimize the performance of class D audio amplifiers, designers should be diligent in designing the schematic, selecting appropriate components, and laying out the PCB (printed circuit board).
Application Note AN-1070 - Infineon Technologies
https://www.infineon.com/dgdl/an-1070.pdf?fileId=5546d462533600a40153559530600fe5
addition, benefits and advantages of IR Digital Audio MOSFETs in class D audio amplifier are presented. Introduction Class D audio amplifier is a switching amplifier that consists in a pulse width modulator (with switching frequency in order of several hundred kHz), a power bridge circuit and a low pass filter. This type of
Class D audio – Why now? - Analog IC Tips
https://www.analogictips.com/class-d-audio-why-now/
The inherently low RDS(on)(max) in a small package (in contrast with silicon, with GaN RDS(on) can be reduced while shrinking the die size ), ensures that Class D GaN-based amplifiers will eventually provide high audio fidelity in volumes smaller than their Si equivalents and without the need for bulky and heavy heat-dissipating solutions.
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