BD5413EFV_10 Datasheet, PDF (4/15 Pages) Rohm – Analog Input / BTL Output Class-D Speaker Amplifier

BD5413EFV
●Electrical characteristic curves (Reference data) – Continued
Technical Note
100
90
80
70
60
50
40
30
20
10
0
0
Vcc=6V
RL=8Ω
fin=1kHz
2
4
6
OUTPUT POWER (W/ch)
Fig. 7 Efficiency - Output Power
100
90
80
70
60
50
40
30
20
10
0
0
2
4
OUTPUT POWER (W/ch)
Fig. 8 Efficiency - Output Power
Vcc=9V
RL=8Ω
fin=1kHz
6
100
90
80
70
60
50
40
30
20
10
0
0
Vcc=10.5V
RL=8Ω
fin=1kHz
2
4
6
OUTPUT POWER (W/ch)
Fig. 9 Efficiency - Output Power
50
RL =8Ω
40
No signal
30
20
Sampling
10
ShutDown
0
4
6
8
10
12
VCC(V)
Fig. 11 50 Current Consumption - Supply Voltage
2
1
Vcc=6V
Vcc=9V
Vcc=10.5V
RL=8Ω
fin=1kHz
0
0
5
10
15
TOTAL OUTPUT POWER (W)
Fig. 10 Current Consumption - Output Power
-10
Vcc=9V
RL=8Ω
-30
No signal
Gain=29.6dB
-50
-70
-90
-110
-130
-150
10
100
1000
10000
FREQUENCY (Hz)
Fig. 12 Output Noise Voltage FFT
100000
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4/14
2010.05 - Rev.B