BU7150NUV Datasheet, PDF (4/17 Pages) Rohm – Headphone Amplifier Designed for 0.93V Low Voltage Operation

BU7150NUV
Technical Note
0
-10 VDD=1.5V, SE m ode
-20
-30
-40
-50
-60
-70
-80
-90
-100
-100
-80
-60
-40
-20
0
Input Level [dBV]
Fig. 10 Output Level vs . Input Level
0
VDD=1.2V, SE m ode
-20
-40
-60
-80
-100
-120
-120 -100 -80 -60 -40 -20
0
Input Level [dBV]
Fig. 12 Output Level vs . Input Level
10
0
-10
-20
-30
-40
VDD=1.5V, Po=5m W, SE m ode
-50
10
100
1k
10k
100k
1M
Frequency [Hz]
Fig. 14 Gain vs . Frequency
10
0
-10
-20
-30
-40
VDD=1.2V, Po=2.5m W, SE m ode
-50
10
100
1k
10k
100k
1M
Frequency [Hz]
Fig. 16 Gain vs . Frequency
0
-10 VDD=1.5V, BTL m ode
-20
-30
-40
-50
-60
-70
-80
-90
-100
-100
-80
-60
-40
-20
0
Input Level [dBV]
Fig. 11 Output Level vs . Input Level
0
VDD=1.2V, BTL m ode
-20
-40
-60
-80
-100
-120
-120 -100 -80 -60 -40 -20
0
Input Level [dBV]
Fig. 13 Output Level vs . Input Level
10
0
-10
-20
-30
-40
VDD=1.5V, Po=25m W, BTL m ode
-50
10
100
1k
10k
100k
1M
Frequency [Hz]
Fig. 15 Gain vs . Frequency
10
0
-10
-20
-30
-40
VDD=1.2V, Po=10m W, BTL m ode
-50
10
100
1k
10k
100k
1M
Frequency [Hz]
Fig. 17 Gain vs . Frequency
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4/16
2011.05 - Rev.C