bd5468gul-e2 ROHM Co. Ltd., bd5468gul-e2 Datasheet - Page 14

• Manufacturer Part Number: bd5468gul-e2
• Description: Analog Input Monaural Class-d Speaker Amplifier
• Manufacturer: ROHM Co. Ltd.

●Evaluation data – Typical characteristics (1/4)
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BD5468GUL
www.rohm.com
Evaluation data - Typical Characteristics (1/4)
90
80
70
60
50
40
30
20
10
300
250
200
150
100
0.25
0.15
0.05
0
50
0.3
0.2
0.1
5.0
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0.0
0
0
0
0
0
0
VDD = 2.5V
VDD = 2.5V
0.1
0.1
0.1
VDD = 2.5V
0.2
0.2
0.2
VDD = 3.6V
1
Supply Current vs Power Supply
Supply Current vs Output power
Power dissipation vs Output power
0.3
0.3
0.3
VDD = 3.6V
RL=No load, No signal
f=1kHz, RL=8Ω+33uH
Efficiency - Output power
0.4
f=1kHz, RL=8Ω+33uH
0.4
f=1kHz, RL=8Ω+33uH
0.4
2
Output Power [W]
Output Power [W]
Output Power [W]
VDD = 3.6V
0.5
Figure.1
Figure.3
Figure.5
Figure.7
0.5
0.5
Fig.11
VDD [V]
Fig.7
0.6
Fig.9
0.6
3
0.6
Fig.5
0.7
VDD = 5.0V
0.7
0.7
0.8
4
0.8
0.8
VDD = 5.0V
VDD = 5.0V
0.9
0.9
0.9
VDD=2.5V
VDD=3.6V
VDD=5.0V
VDD=2.5V
VDD=3.6V
VDD=5.0V
VDD=2.5V
VDD=3.6V
VDD=5.0V
5
1
1
1
1.1
1.1
1.1
6
1.2
1.2
1.2
14/19
0.45
0.40
0.35
0.30
0.25
0.20
0.15
0.10
0.05
0.00
450
400
350
300
250
200
150
100
80
70
60
50
40
30
20
10
5.0
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0.0
50
0
0
0
0
0
0
VDD = 2.5V
VDD = 2.5V
VDD = 2.5V
0.2
0.2
0.2
Shutdown Current vs Power Supply
1
0.4
0.4
VDD = 3.6V
Power dissipation vs Output power
0.4
Supply Current vs Output power
VDD = 3.6V
VDD = 3.6V
Efficiency vs Output power
0.6
RL=No load, No signal
0.6
0.6
f=1kHz, RL=4Ω+33uH
f=1kHz, RL=4Ω+33uH
f=1kHz, RL=4Ω+33uH
2
Output Power [W]
Output Power [W]
Output Power [W]
0.8
Figure.2
Figure.4
Figure.6
Figure.8
0.8
0.8
VDD = 5.0V
Fig.8
Fig.12
VDD [V]
Fig.10
VDD = 5.0V
Fig.6
1
3
1
1
VDD = 5.0V
1.2
1.2
1.2
4
1.4
1.4
1.4
Technical Note
2010.09 - Rev.A
1.6
1.6
1.6
VDD=2.5V
VDD=3.6V
VDD=5.0V
VDD=2.5V
VDD=3.6V
VDD=5.0V
VDD=2.5V
VDD=3.6V
VDD=5.0V
5
1.8
1.8
1.8
6
2
2
2