參數(shù)資料
型號(hào)： IRAUDAMP5
廠商： International Rectifier
英文描述： 120W x 2 Channel Class D Audio Power Amplifier Using the IRS2092S and IRF6645
中文描述： 120瓦× 2通道D類音頻功率放大器使用IRS2092S和IRF6645
文件頁(yè)數(shù)： 25/49頁(yè)
文件大?。?/td> 1416K
代理商： IRAUDAMP5
Bridged Output
The IRAUDAMP5 is not intended for a bridge-tied-load, or BTL configuration. However, BTL
operation can be achieved by feeding out-of-phase audio input signals to the two input channels
as shown in the figure 27 below. In BTL operation, minimum load impedance is 8 Ohms and
rated power is 240W non-clipping. The installed clamping diodes D5 – D8 are required for BTL
operation, since reactive energy flowing from one output to the other during clipping can force
the output voltage beyond the voltage supply rails if not clamped.
.
+
-
.
.
+
-
INPUT
R14
1
IN-
COMP
C24
.
R34
COMP
C23
C
R
R33
C
+VAA
IRS2092S
IRS2092S
LO
VS
VCC
VB
HO
LO
VS
VCC
VB
HO
-B
+B
-B
+B
L2
0V
L1
0V
-B
.
-B
+B
R13
C
C
IN-
+VAA
LP Filter
LP Filter
+B
CH2
C22
1
R32
CH1
C21
R31
COM
Integrator
Modulator
and
Shift level
GND
COM
Integrator
Modulator
and
Shift level
GND
D
D
D
1
D
IRF6645
Q6
IRF6645
Q3
IRF6645
Q5
IRF6645
Q4
Bridged configuration
Fig 27
Output Filter Design, Preamplifier and Performance
The audio performance of IRAUDAMP5 depends on a number of different factors. The section
entitled, “Typical Performance” presents performance measurements based on the overall system,
including the preamp and output filter. While the preamp and output filter are not part of the
Class D power stage, they have a significant effect on the overall performance.
Output filter
Since the output filter is not included in the control loop of the IRAUDAMP5, the reference
design cannot compensate for performance deterioration due to the output filter. Therefore, it is
important to understand what characteristics are preferable when designing the output filter:
www.irf.com
Page 24 of 49
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
IRAUDAMP6 制造商:International Rectifier 功能描述:AUDIO REFERENCE DESIGN KIT FEATURING IRS20957 - Boxed Product (Development Kits) 制造商:International Rectifier 功能描述:BOARD EVAL FOR IRS20957S
IRAUDAMP7D 功能描述:放大器 IC 開發(fā)工具 25W - 500W Scalable IRS2092 2-Ch BRD RoHS:否 制造商:International Rectifier 產(chǎn)品:Demonstration Boards 類型:Power Amplifiers 工具用于評(píng)估:IR4302 工作電源電壓:13 V to 23 V
IRAUDAMP7S 功能描述:放大器 IC 開發(fā)工具 25W - 500W Scalable IRS2092 Half BRG BRD RoHS:否 制造商:International Rectifier 產(chǎn)品:Demonstration Boards 類型:Power Amplifiers 工具用于評(píng)估:IR4302 工作電源電壓:13 V to 23 V
IRAUDAMP8 功能描述:放大器 IC 開發(fā)工具 120W x 4 Ch Class D IRS2053M IRF665 BRD RoHS:否 制造商:International Rectifier 產(chǎn)品:Demonstration Boards 類型:Power Amplifiers 工具用于評(píng)估:IR4302 工作電源電壓:13 V to 23 V
IRAUDAMP9 功能描述:音頻 IC 開發(fā)工具 1.7kW 2ohm Class-D IRS2092 IRFB4227 BRD RoHS:否 制造商:Texas Instruments 產(chǎn)品:Evaluation Kits 類型:Audio Amplifiers 工具用于評(píng)估:TAS5614L 工作電源電壓:12 V to 38 V
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