IR4321M

Integrated Digital Audio Amplifier

ParametricIR4321M
Channels1.0
Output Power90W (2 Ohms) no Heatsink
Output Power135W (2 Ohms) Heatsink
PackagePQFN 22 5x6mm
Supply Voltage60.0V
TechnologyCMCM
TypeProtected Digital Audio Driver
Sales Product NameIR4321M
OPNIR4321MTRPBF
Product Statusactive and preferred
Package NamePQFN-22L (5 X 6)
Completely lead freeyes
Halogen freeyes
RoHS compliantyes
Packing Size4000
Packing TypeTAPE & REEL
Moisture Level2
Benefits:
  • Integrated analog input Class D audio amplifier in a small 5 x 6 mm PQFN package
  • High peak music power output
  • No mechanical heatsink required
  • Split or single power supply
  • Differential or single-ended input
  • Over-current, over-temperature and under voltage protections with self-reset function
  • Start and stop click noise reduction
  • High noise immunity
  • RoHS compliant
Target Applications:
  • Audio
Data Sheet
TitleSizeDateVersion
Data Sheet - IR4301M,EN1.5 MB24 Apr 2013
Product Selection Guide
TitleSizeDateVersion
NEW! Power Management Selection Guide 2016EN4.7 MB22 Feb 201600_00
Evaluation Boards
BoardFamilyDescriptionStatus
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
EN IR4321M
EN IDV20E65D1