BD5445EFV-E2 데이터 시트보기 (PDF) - ROHM Semiconductor
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BD5445EFV-E2 Datasheet PDF : 32 Pages
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BD5445EFV
Technical Note
●Typical Characteristic Data (SE×2ch）Measured on ROHM’s evaluation board.
Dotted lines of the graphs indicate continuous output power by installing additional heat sinks.
100
Vcc=24V
RL=8Ω
BW=20～20kHz
10
1
6kHz
1kHz
0.1
100Hz
0.01
0.001
0.01
0.1
1
10
100
OUTPUT POWER(W)
Fig.22 Output power－THD+n
100
Vcc=24V
RL=8Ω
Po=1W
10 BW=20～20kHz
1
0.1
0.01
10
100
1000
10000
FREQUENCY(Hz)
Fig.23 Frequency－THD+n
100000
40
35
Gain=38dB
30
Gain=32dB
25
Gain=26dB
20
15
Gain=20dB
10 Vcc=24V
5 RL=8Ω
Po=1W
0 L=47uH
-5 C=0.39uF
-10
10
100
1000
10000
FREQUENCY(Hz)
Fig.24 Frequency－Voltage gain
100000
50
45
40
35
30
25
20
15
10
5
0
8
10 12 14 16 18 20 22 24 26 28 30
Vcc (V)
Fig.26 Power supply voltage－Output power (RL=8Ω)
0
-20
Vcc=24V
-40 RL=8Ω
No Signal
-60 BW=20～20kHz
-80
-100
-120
-140
10
100
1000
10000
FREQUENCY(Hz)
100000
Fig.25 FFT of Output Noise Voltage
100
90
80
70
60
50
40
30
20
10
0
0
Vcc=24V
RL=8Ω
fin=1kHz
5 10 15 20 25 30 35 40
OUTPUT POWER(W/ch)
Fig.27 Output power－Efficiency (RL=8Ω)
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8/31
2010.05 - Rev.B
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