bd5465gul ROHM Co. Ltd., bd5465gul Datasheet - Page 15

• Manufacturer Part Number: bd5465gul
• Description: Analog Input Monaural Class-d Speaker Amplifier
• Manufacturer: ROHM Co. Ltd.

●Evaluation data – Typical characteristics (2/4)
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BD5465GUL
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Evaluation data - Typical Characteristics (2/4)
0.1
100
10
0.1
2.0
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0.0
10
1
1
0.01
10
4
Total Harmonic Distortion + Noise vs Frequency
Total Harmonic Distortion + Noise vs Output Power
VDD = 5.0V
Po = 25mW
VDD = 2.5V
VDD = 3.6V
VDD = 5.0V
VDD=5.0V RL=8Ω, 400Hz-30kHzBPF
8
VDD = 3.6V
THD+N=1%, f=1kHz, 400Hz-30kHz BPF
Po=25mW
Po=100mW
Po=250mW
RL=8Ω, f=1kHz, 400Hz-30kHz BPF
100
Output power vs Load Resistance
VDD = 3.6V
12
Po = 100mW
Output Power [W]
Frequency [Hz]
Figure.11
Figure.13
Figure.9
Fig.15
Fig.17
Fig.13
16
VDD = 5.0V
0.10
1k
RL[Ω]
VDD = 2.5V
Po = 250mW
20
VDD = 2.5V
24
10k
VDD=2.5V
VDD=3.6V
VDD=5.0V
28
1.00
100k
32
15/19
100
0.1
10
0.1
10
1
1
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0.0
0.01
10
2.5
Total Harmonic Distortion + Noise vs Frequency
Total Harmonic Distortion + Noise vs Output Power
VDD = 2.5V
VDD = 3.6V
VDD = 5.0V
VDD=3.6V RL=8Ω, 400Hz-30kHzBPF
RL=8Ω, f=1kHz, 400Hz-30kHz BPF
3.0
Po = 25mW
Po=25mW
Po=100mW
Po=250mW
RL=4Ω, f=1kHz, 400Hz-30kHz BPF
Output Power vs Power Supply
100
VDD = 3.6V
0.1
3.5
VDD = 2.5V
Output Power [W]
Frequency [Hz]
Figure.10
Figure.12
Figure.14
Po = 100mW
Fig.16
Fig.14
Fig.18
VDD[V]
1k
4.0
Po = 250mW
4.5
1
10k
Technical Note
2010.09 - Rev.A
THD+N≦1%
VDD = 5.0V
5.0
100k
5.5
10