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RAUDAMP7S Datasheet(PDF) 3 Page - International Rectifier

Part # RAUDAMP7S
Description  25W-500W Scalable Output Power Class D Audio Power Amplifier Reference Design Using the IRS2092S Protected Digital Audio Driver
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Manufacturer  IRF [International Rectifier]
Direct Link  http://www.irf.com
Logo IRF - International Rectifier

RAUDAMP7S Datasheet(HTML) 3 Page - International Rectifier

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IRAUDAMP7S REV 1.3
Introduction
The IRAUDAMP7S reference design is a two-channel Class D audio power amplifier that features output
power scalability. The IRAUDAMP7S offers selectable half-bridge (stereo) and full-bridge (bridged) modes.
This reference design demonstrates how to use the IRS2092 Class D audio driver IC, along with IR’s digital
audio dual MOSFETs, such as IRFI4024H-117P, IRFI4019H-117P, IRFI4212H-117P and IRFI4020H-117P,
on a single layer PCB. The design shows how to implement peripheral circuits on an optimum PCB layout
using a single sided board.
The resulting design requires a small heatsink for normal operation (one-eighth of continuous rated power).
The reference design provides all the required housekeeping power supplies and protections.
Unless otherwise noted, this user’s manual is based on 150V model, IRAUDAMP7S-150.
Other output power versions can be configured by replacing components given in the component selection
of Table 5 on page 36
Applications
AV receivers
Home theater systems
Mini component stereos
Powered speakers
Sub-woofers
Musical Instrument amplifiers
Automotive after market amplifiers
Features
Output Power:
Scalable output power from 25W- 500W (see Table 1)
Residual Noise:
200
μV, IHF-A weighted, AES-17 filter
Distortion:
0.007 % THD+N @ 60W, 4 Ω
Efficiency:
90 % @ 500W, 8 Ω, Class D stage
Multiple Protection Features:
Over-current protection (OCP), high side and low side MOSFET
Over-voltage protection (OVP),
Under-voltage protection (UVP), high side and low side MOSFET
DC-protection (DCP),
Over-temperature protection (OTP)
PWM topology:
Self-oscillating PWM, half-bridge or full-bridge topologies selectable


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