www.irf.com © 2007 International Rectifier
September 2007
IRS2092
PROTECTED DIGITAL AUDIO AMPLIFIER
Features
x Integrated analog input Class D audio amplifier
driver in a small 16 pin package
x Floating inputs enable easy half bridge
implementation
x Programmable bidirectional over-current
protection with self-reset function
x Programmable preset deadtime for improved
THD performances
x Start and stop click noise reduction
x High noise immunity
x r100 V ratings deliver up to 500 W in output
power
x Operates up to 800 kHz
x RoHS compliant
Typical Applications
x Home theater systems
x Mini component stereo systems
x Powered speaker systems
x General purpose audio power amplifiers
Product Summary
V
OFFSET
(max)
r 100 V
Io+ 1.0 A
Gate driver
Io - 1.2 A
Selectable Deadtime 25/40/65/105 ns
OC protection delay (max) 500 ns
DC offset <20 mV
PWM frequency ~800 kHz
Error amplifier open loop gain >60 dB
THD+N* (1kHz, 50W, 4ȍ) 0.01 %
Residual Noise*
(AES-17 Filter)
200 µVrms
* measured with recommended circuit
Package Options
SOIC16N PDIP16
Typical Connection Diagram
IRS2092
12V
VAA
GND
IN-
OCSET
COM
COMP
VSS
LO
VCC
VREF
HO
VS
CSD
CSH
VB
INPUT
-B
Vcc
+B
Speaker
DT
2
161
4
3
5
6
7
8
15
14
13
12
11
10
9