bd5445efv ROHM Co. Ltd., bd5445efv Datasheet - Page 6

• Manufacturer Part Number: bd5445efv
• Description: Analog Input / Single End Output Class-d Speaker Amplifier
• Manufacturer: ROHM Co. Ltd.

●Typical Characteristics Data (SE×2ch）Measured on ROHM’s evaluation board.
© 2010 ROHM Co., Ltd. All rights reserved.
BD5445EFV
www.rohm.com
Fig.15 Total output power－Current consumption (R
Fig.13 Power supply voltage－Output power (R
26
24
22
20
18
16
14
12
10
1.8
1.6
1.4
1.2
0.8
0.6
0.4
0.2
100
8
6
4
2
0
90
80
70
60
50
40
30
20
10
1
0
0
8
0
Fig.17 Output power－Efficiency (R
0
Vcc=24V
RL=6Ω
fin=1kHz
10
RL=8Ω
fin=1kHz
2
5
12
4
10
14
6
TOTAL OUTPUT POWER(W)
Vcc=24V
RL=8Ω
fin=1kHz
16
OUTPUT POWER(W/ch)
15
THD+n=10%
8
18
VCC(V)
20
10
20
12
25
22
THD+n=1%
14
24
30
16
L
26
=6Ω)
35
18
28
L
=8Ω)
L
30
40
=8Ω)
20
6/31
Fig.18 Total output power－Current consumption (R
100
26
24
22
20
18
16
14
12
10
1.8
1.6
1.4
1.2
0.8
0.6
0.4
0.2
Fig.16 Power supply voltage－Output power (R
90
80
70
60
50
40
30
20
10
8
6
4
2
0
2
1
0
0
8
0
0
Fig.14 Output power－Efficiency (R
Vcc=24V
RL=8Ω
fin=1kHz
10
RL=6Ω
fin=1kHz
2
5
12
4
10
14
6
TOTAL OUTPUT POWER(W)
Vcc=24V
RL=6Ω
fin=1kHz
16
OUTPUT POWER(W/ch)
15
THD+n=10%
8
18
VCC(V)
20
10
20
12
25
22
THD+n=1%
14
24
Technical Note
2010.05 - Rev.B
30
16
26
L
=8Ω)
35
18
28
L
20
30
40
L
=6Ω)
=6Ω)