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International Rectifier Electronic Components Datasheet

IR4311 Datasheet

Integrated analog input Class D audio amplifier

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IR43x1
Features
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
Typical Applications
Home theatre systems
Docking station audio systems
PC audio systems
Musical instruments
Karaoke amplifiers
Game consoles
Powered speaker systems
General purpose audio power amplifiers
Product Summary
Topology
*IR4301 Output power
(Typical, THD+N=10%)
*IR4321 Output power
(Typical, THD+N=10%)
*IR4311 Output power
(Typical, THD+N=10%)
*Residual noise
(AES-17, IHF-A, typical)
*THD+N
(1kHz, 1W, 4 Ω, typical)
* In typical application example
Package
Half-Bridge,
Full-Bridge
160 W/ 4 Ω
120 W/ 3 Ω
90 W/ 4 Ω
135 W/ 2 Ω
35 W/ 4 Ω
45 W/ 3 Ω
250 μVrms
0.02 %
Typical Connection
INPUT
VAA
GND
IN+
IN-
COMP
CSD
VSS
CSH
VCC
VB
COM
5x6mm PQFN22
+B
VP
VS
Speaker
VN
VCC
-B
1 www.irf.com © 2013 International Rectifier
April 22, 2013


International Rectifier Electronic Components Datasheet

IR4311 Datasheet

Integrated analog input Class D audio amplifier

No Preview Available !

Table of Contents
Typical Connection Diagram
Qualification Information
Absolute Maximum Ratings
Recommended Operating Conditions
Electrical Characteristics
Functional Block Diagram
Input/Output Pin Equivalent Circuit Diagram
Lead Definitions
Lead Assignments
Package Details
Part Marking Information
Ordering Information
IR43x1
Page
1
4
5
7
8
11
12
13
13
14
15
15
2 www.irf.com © 2013 International Rectifier
April 22, 2013


Part Number IR4311
Description Integrated analog input Class D audio amplifier
Maker International Rectifier
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IR4311 Datasheet PDF





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