參數(shù)資料
型號: IRAUDAMP3
廠商: International Rectifier
英文描述: 120W x 6 Channel Class D Audio Power Amplifier using IRS20124S and IRF6645
中文描述: 120瓦× 6通道D類音頻功率放大器使用IRS20124S和IRF6645
文件頁數(shù): 3/40頁
文件大小: 3335K
代理商: IRAUDAMP3
www.irf.com
2
Specifications
General Test Conditions (unless otherwise noted)
Supply Voltage
Load Impedance
Self-Oscillating Frequency (Adjustable)
Gain Setting
Electrical Data
IR Devices Used
Notes / Conditions
±35V
4
400kHz
26dB
No input signal
1Vrms input sensitivity
(Typical)
IRS20124S gate driver,
IRF6645 DirectFET MOSFET
Self-oscillating, 2nd order Sigma-Delta
modulation, analog input
1kHz
1kHz
1kHz, relative to 4
load
No input signal
No input signal
Single channel driven, 120W, Class D
stage
Notes / Conditions
Modulator
Power Supply Range
Output Power CH1-6: (1% THD+N)
Output Power CH1-6: (10% THD+N)
Rated Load Impedance
Damping Factor
Supply Current
Total Idle Power Consumption
Board Efficiency
± 25-35V
120W
170W
4
40
<250mA
14W
94%
Audio Performance
THD+N, 1W
THD+N, 10W
THD+N, 60W
Dynamic Range
(Typical)
0.006%
0.005%
0.010%
112dB
1kHz, single channel driven
A-weighted,
channel operation
Self-oscillating – 400kHz
internal clock – 395kHz
100Hz
10kHz
1W, 4
- 8
Load
Notes / Conditions
AES-17
filter,
single
Residual Noise
20Hz - 20kHz BW, A-Weighted
Channel Separation
97
μ
V
56
μ
V
87dB
72dB
±1dB
±3dB
Frequency Response : 20Hz-20kHz
: 20Hz-40kHz
Thermal Performance
Idling
(Typical)
T
C
=33
°
C
T
PCB
=42
°
C
T
C
=58
°
C
T
PCB
=77
°
C
T
C
=79
°
C
T
PCB
=101
°
C
Notes / Conditions
No signal input, TA=25
°
C
2ch x 15W (1/8 Rated Power)
Continuous
2ch x 120W (Rated Power)
90 seconds
Physical Specifications
Dimensions
Note: Specifications are typical and not guaranteed.
(Typical)
13.7”(L) x 5.0”(W)
Notes / Conditions
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