Class D Audio Solutions

Class D Audio ICs
PowIRaudio Integrated Amplifiers

Class D amplifiers are fast becoming the preferred solution for professional and home audio and video systems and we offer a comprehensive range of discrete and integrated ICs that simplify high-efficiency Class D amplifier design. These include digital audio drivers, Class D audio MOSFETs, and PowIRaudio™ integrated power modules that combine digital audio controller ICs and MOSFETs in a compact PQFN package.

Product Brief
TitleSizeDateVersion
IRS2052M 2-Channel Class D Audio Driver ICEN116 KB20 十月 2011
IRS2093 Four Channel Integrated Class D Audio IC with PWM ModulatorEN172 KB29 一月 2008
IRS2092 Integrated Class D Audio Driver IC with PWM ModulatorEN1.3 MB05 二月 2013
Compact PowIRaudio Modules for Class D Amplifier DesignEN250 KB20 十月 2011
IRS2053 3 Channel Integrated Class D Audio Driver IC with PWM ModulatorEN199 KB29 一月 2008
Application Notes
TitleSizeDateVersion
Bridging Class D AmplifiersEN471 KB28 一月 2014
IRS20957S Functional DescriptionEN336 KB09 十一月 2008
IR Class D Audio IC Operation with Single Output Power SupplyEN1.2 MB01 四月 2005
Class D Audio Amplifier BasicsEN305 KB19 五月 2004
IRS2093M Functional DescriptionEN595 KB13 三月 2009
IRS20954S and IRS20957S ComparisonEN41 KB01 四月 2005
PCB Layout with IR Class D Audio Gate DriversEN1.3 MB28 九月 2007
IRS2053M Functional DescriptionEN667 KB11 十二月 2010
Audio Power Quad Flat Pack No-Leads (PQFN) Board Mounting Application NoteEN881 KB01 七月 2013
IRS20955S and IRS20957S ComparisonEN46 KB21 五月 2008
IRS2052M Functional DescriptionEN803 KB02 四月 2011
IRS2092 and IRS2092S Functional DescriptionEN1.2 MB28 九月 2007
Class D Amplifier Peformance Relationship to MOSFET ParametersEN236 KB19 五月 2004
Article
TitleSizeDateVersion
How Do You Design a 100W + 100W Class-D AmplifierEN1.9 MB16 三月 2006
A Scalable Approach to Class D Design ChallengesEN529 KB15 八月 2003
Design Features Energy Efficiency with Class D Audio ModulesEN660 KB18 六月 2001
Differentiating Cost-Competitive Class D Amplifier DesignsEN771 KB01 二月 2008
A Scalable Approach to Class-D Design ChallengesEN925 KB15 八月 2003
Go Green With 100-W And Higher Audio Power AmplifiersEN29 KB03 八月 2006
How to design 100W + 100W Class D AmplifierEN1 MB16 三月 2014
Advances in Power Devices Driving Class-D Amplifier ProgressEN1.1 MB01 三月 2013
Scalable Class-D Design MethodEN484 KB03 八月 2006
Leistungsstarker ChipsatzEN196 KB03 八月 2006
Go Green with Class D Audio Medium Power AmplifiersEN1.1 MB15 八月 2003
Product Selection Guide
TitleSizeDateVersion
NEW! Power Management Selection Guide 2016EN4.7 MB22 二月 201600_00
Evaluation Boards
BoardFamilyDescriptionStatus
IRAUDAMP12130 W x 2 channels, (THD=10%, 1kHz, 4 Ohms). 0.02% THD+N distortion @ 50W, 4 Ohms. Residual noise 250 µV, IHF-A weighted, AES-17 filter. 96% Efficiency @ 130W, 4 Ohms, Class-D Stage. OCP, OVP, UVP,DC protection and OTP. Self-oscillating half-bridge topology with optional clock synchronization. Featuring IR4301 PowIRaudio™ integrated Class D IC.IR4301Mactive and preferred
IRAUDAMP19100 W x 2 channels, (THD=10%, 1kHz, 4 Ohms). 0.02% THD+N distortion @ 10W, 4 Ohms. Residual noise 230 µV, IHF-A weighted, AES-17 filter. 96% Efficiency @ 75W, 4 Ohms, Class-D Stage. OCP, OVP, UVP and OTP. Self-oscillating half-bridge topology. Featuring IR4301 PowIRaudio™ integrated Class D IC.IR4301Mactive and preferred
IRAUDAMP1670 W x 2 channels, (THD=10%, 1kHz, 4 Ohms). 0.015% THD+N distortion @ 30W, 4 Ohms. Residual noise 250 µV, IHF-A weighted, AES-17 filter. 96% Efficiency @ 70W, 4 Ohms, Class-D Stage. OCP, OVP, UVP,DC protection and OTP. Self-oscillating half-bridge topology with optional clock synchronization. Featuring IR4302 PowIRaudio™ integrated Class D IC.IR4302Mactive and preferred
IRAUDAMP17100 W x 2 channels, (THD=10%, 1kHz, 4 Ohms). 0.008% THD+N distortion @ 30W, 4 Ohms. Residual noise 220 µV, IHF-A weighted, AES-17 filter. 96% Efficiency @ 100W, 4 Ohms, Class-D Stage. OCP, OVP, UVP and OTP. Self-oscillating half-bridge topology. Featuring IR4302 PowIRaudio™ integrated Class D IC.IR4302Mactive and preferred
IRAUDAMP1535 W x 2 channels, (THD=10%, 1kHz, 4 Ohms). 0.02% THD+N distortion @ 5W, 4 Ohms. Residual noise 250 µV, IHF-A weighted, AES-17 filter. 96% Efficiency @ 35W, 4 Ohms, Class-D Stage. OCP, OVP, UVP and OTP. Self-oscillating half-bridge topology. Featuring IR4311 PowIRaudio™ integrated Class D IC.IR4311Mactive and preferred
IRAUDAMP1835 W x 2 channels, (THD=10%, 1kHz, 4 Ohms). 0.018% THD+N distortion @ 3W, 4 Ohms. Residual noise 180 µV, IHF-A weighted, AES-17 filter. 96% Efficiency @ 35W, 4 Ohms, Class-D Stage. OCP, OVP, UVP and OTP. Self-oscillating half-bridge topology. Featuring IR4312 PowIRaudio™ integrated Class D IC.IR4312Mactive and preferred
IRAUDAMP21Output Power: 90W x 2 channels (10%THD+N 2Ohms load no heatsink). 135W x 2 channels (10%THD+N 2Ohms load *with heatsink),. Multiple Protection Features: Over-current protection (OCP), high and low side. Over-voltage protection (OVP),. Under-voltage protection (UVP), high and low side. DC-protection (DCP),. Over-temperature protection (OTP). PWM Modulator: Self-oscillating half-bridge topology with optional clock synchronization.IR4321Mactive and preferred
IRAUDAMP22Output Power 50W x 2 channels (10%THD+N 2Ohms load no heatsink). 100W x 2 channels (10%THD+N 2Ohms load *with heatsink),. Multiple Protection Features: Over-current protection (OCP), high and low side. Over-voltage protection (OVP),. Under-voltage protection (UVP), high and low side. DC-protection (DCP),. Over-temperature protection (OTP). PWM Modulator: Self-oscillating half-bridge topology with optional clock synchronization.IR4322Mactive and preferred
IRAUDAMP10300 W x 2 channels, (THD=1%, 1kHz, 4 Ohms). 0.008% THD+N distortion @ 100W, 4 Ohms. Residual noise 220 µV, IHF-A weighted, AES-17 filter. 90% Efficiency @ 300W, 4 Ohms, Class-D Stage. OCP, OVP, UVP and OTP. Self-oscillating half-bridge topology with optional clock synchronization. Featuring IRS2052M Controller and Gate Driver IC and IRF6775 DirectFET MOSFETs.IRS2052Mactive and preferred
IRAUDAMP5120W x 2 Channels (THD=1%, 1kHZ). 0.005% THD+N @ 60W, 4 Ohms. 170 µV Distortion, IHF-A weighted, AES-17 filter. 96% Efficiency @ 120W, 4 Ohms, Single Channel Driven, Class-D Stage. OCP, OVP, UVP, DC protection and OTP. Self-oscillating half-bridge topology with optional clock synchronization. Featuring IRS2092S Controller and Gate Driver IC and IRF6645 DirectFET MOSFETs.IRS2092SPBFactive and preferred
IRAUDAMP7D250 W x 2 channels, (THD=1%, 1kHz, 4 Ohms). 0.05% THD+N distortion @ 120W, 4 Ohms. Residual noise 200 µV, IHF-A weighted, AES-17 filter. All through-hole components on single layer PCB. OCP, OVP, UVP, DC protection and OTP. Half bridge/ full bridge selector. Featuring IRS2092 Gate Driver IC and IRFI4019H-117P MOSFETs.IRS2092SPBFactive and preferred
IRAUDAMP7S250 W x 2 channels, (THD=1%, 1kHz, 4 Ohms). 0.01% THD+N distortion @ 120W, 4 Ohms. Residual noise 200 µV, IHF-A weighted, AES-17 filter. Single layer PCB. OCP, OVP, UVP, DC protection and OTP. Half bridge/ full bridge selector. Featuring IRS2092S Gate Driver IC and IRFI4019H-117P MOSFETs.IRS2092SPBFactive and preferred
IRAUDAMP91700 W Single channel (2Ohms load THDN=10%, 1kHz). 1% THD+N distortion @ 1200W, 2 Ohms +/-75V. Residual noise 290 µV, IHF-A weighted, AES-17 filter. 94% efficiency @ 1200W, 2 Ohms, Single Channel Driven, Class-D Stage. OCP, OVP, UVP, DC protection, HOPS ( High Output peak Shutdown Protection) and OTP. Self-oscillating half-bridge topology with optional clock synchronization. Featuring IRS2092S Gate Driver ( with external BJT buffering ) and IRFB4227PBF 200V MOSFETs.IRS2092SPBFactive and preferred
IRAUDAMP8120 W x 4 channels, (THD=1%, 1kHz, 4 Ohms). 0.015% THD+N distortion @ 60W, 4 Ohms. Residual noise 200 µV, IHF-A weighted, AES-17 filter. 90% Efficiency @ 120W, 4 Ohms, Class-D Stage. OCP, OVP, UVP and OTP. Self-oscillating half-bridge topology with optional clock synchronization. Featuring IRS2093M Controller and Gate Driver IC and IRF6665 DirectFET MOSFETs.IRS2093MPBFactive and preferred
IRAUDAMP4A120 W x 2 channels, (THD=1%, 1kHZ). 0.004% THD+N distortion @ 60W, 4 Ohms. Residual noise 52 µV, IHF-A weighted, AES-17 filter. 96% efficiency @ 120W, 4 Ohms, Single Channel Driven, Class-D Stage. OCP, OVP, UVP, DC protection and OTP. Self-oscillating half-bridge topology with optional clock synchronization. Featuring IRS20957S Gate Driver and IRF6645 DirectFET MOSFETs.IRS20957SPBFactive and preferred
IRAUDAMP6250 W x 2 channels (8 Ohms load THD=1%, 1kHZ). 0.005% THD+N distortion @ 125W, 8 Ohms. Residual noise 90 µV, IHF-A weighted, AES-17 filter. 96% efficiency @ 250W, 8 Ohms, Single Channel Driven, Class-D Stage. OCP, OVP, UVP, DC protection and OTP. Self-oscillating half-bridge topology with optional clock synchronization. Featuring IRS20957S Gate Driver and IRF6785 DirectFET MOSFETs.IRS20957SPBFactive and preferred
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