BD5423AEFS ROHM Co. Ltd., BD5423AEFS Datasheet - Page 4

• Manufacturer Part Number: BD5423AEFS
• Description: 17w+17w Class-d Speaker Amplifier For Analog Input
• Manufacturer: ROHM Co. Ltd.

© 2009 ROHM Co., Ltd. All rights reserved.
BD5423AEFS
●Electrical characteristic curves (Reference data) – Continued
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100
90
80
70
60
50
40
30
20
10
100
100
0
Fig. 11 Current consumption - Power supply voltage
90
80
70
60
50
40
30
20
10
90
80
70
60
50
40
30
20
10
0
0
8
Without signal
R
無信号時
0
0
R
L
L
=8Ω
=8Ω
10
Fig. 9 Efficiency - Output power
Fig. 7 Efficiency - Output power
OUTPUT POWER (W/ch)
OUTPUT POWER (W/ch)
5
5
12
VCC (V)
14
10
10
16
15
15
Vcc=16.5V
R
fin=1kHz
L
Sampling
Mute
Vcc=10V
R
fin=1kHz
=8Ω
L
=8Ω
18
20
20
4/17
-100
-120
-140
-20
-40
-60
-80
Fig. 10 Current consumption - Output power
3
2
1
0
100
0
90
80
70
60
50
40
30
20
10
0
0
10
Fig. 12 FFT of Output Noise Voltage
0
5
Fig. 8 Efficiency - Output power
TOTAL OUTPUT POWER (W)
Vcc=10V
100
10
OUTPUT POWER (W/ch)
FREQUENCY (Hz)
5
15
1000
Vcc=12V
20
10
Vcc=12V
Vcc =12V
R
R
無信号時
Without signal
BW=20～20kHz
BW=20 ～ 20kHz
Without
L
L
=8Ω
=8Ω
25
10000
2009.06 - Rev.A
Technical Note
Vcc=16.5V
30
15
R
fin=1kHz
Vcc=12V
R
fin=1kHz
L
L
=8Ω
100000
=8Ω
35
40
20