Harman Kardon MAS 101, Руководство по обслуживанию

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www.irf.com © 2007 International Rectifier
September 2007
IRS2092
PROTECTED DIGITAL AUDIO AMPLIFIER
Features
•
Integrated analog input Class D audio amplifier
driver in a small 16 pin package
•
Floating inputs enable easy half bridge
implementation
•
Programmable bidirectional over-current
protection with self-reset function
•
Programmable preset deadtime for improved
THD performances
•
Start and stop click noise reduction
•
High noise immunity
• ±
100 V ratings deliver up to 500 W in output
power
•
Operates up to 800 kHz
•
RoHS compliant
Typical Applications
•
Home theater systems
•
Mini component stereo systems
•
Powered speaker systems
•
General purpose audio power amplifiers
Product Summary
V
OFFSET
(max) ±
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, 4 Ω ) 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
16 1
4
3
5
6
7
8
15
14
13
12
11
10
9
19