BD5461GUL-E2 データシートの表示（PDF） - ROHM Semiconductor
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BD5461GUL-E2 Datasheet PDF : 17 Pages
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BD5461GUL
Output power vs VDD
f=1kHz LC-filter(22uH+1uF) 400Hz-30kHz
3.0
RL= 8 Ω ： THD+ N= 1 %
2.5
RL= 8 Ω ： THD+ N= 1 0 %
RL= 4 Ω ： THD+ N= 1 %
2.0
RL= 4 Ω ： THD+ N= 1 0 %
1.5
1.0
0.5
0.0
2 .5
3
3 .5
4
4 .5
5
VDD [V]
Fig.12
THD+N vs Output power RL=8Ω
f=1kHz LC-filter(22uH+1uF) 400Hz-30kHz
10
VDD= 2 .5 V
VDD= 3 .6 V
VDD= 5 .0 V
1
Technical Note
THD+N vs Output power RL=4Ω
f=1kHz LC-filter(22uH+1uF) 400Hz-30kHz
10
VDD= 2 .5 V
VDD= 3 .6 V
VDD= 5 .0 V
1
0.1
0 .0 1
0.1
1
10
Po [W]
Fig.13
THD+N vs Frequency VDD=5.0V RL=8Ω
LC-filter(22uH+1uF) 30kHz-LPF
10
Po=50mW
Po=250mW
Po=1W
1
0 .1
0.01
0.1
1
10
Po [W]
Fig.14
THD+N vs Frequency VDD=3.6V RL=8Ω
LC-filter(22uH+1uF) 30kHz-LPF
10
Po=25mW
Po=125mW
1
Po=400mW
0.1
0.1
10
10
1
100
1k
10k
freq [Hz]
Fig.15
THD+N vs Frequency VDD=2.5V RL=8Ω
LC-filter(22uH+1uF) 30kHz-LPF
Po=15mW
Po=75mW
Po=200mW
100k
0.1
0 .0 1
10
100
1k
10k
freq [Hz]
Fig.16
THD+N vs Frequency RL=4Ω Po=250mW
LC-filter(22uH+1uF) 30kHz-LPF
10
VDD= 2 .5 V
VDD= 3 .6 V
VDD= 5 .0 V
1
0.1
10
100
1k
10k
freq [Hz]
Fig.18
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100k
100k
0 .0 1
10
100
1k
10k
freq [Hz]
Fig.17
THD+N_vs_Common Mode Input Voltage f=1kHz
RL=8Ω Po=200mW LC-filter(22uH+1uF) 400Hz-30kHz
2
1 .8
1 .6
1 .4
1 .2
1
0 .8
0 .6
0 .4
0 .2
0
0
VDD= 2 .5 V
VDD- 3 .6 V
VDD= 5 .0 V
1
2
3
4
5
Vic - Common Mode Input Voltage [V]
Fig.19
100k
6
12/16
2010.06 - Rev.A
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