MP7731 Просмотр технического описания (PDF) - Monolithic Power Systems
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MP7731 Datasheet PDF : 9 Pages
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MP7731 – 5W – 30W CLASS D MONO BRIDGED AUDIO AMPLIFIER
TYPICAL PERFORMANCE CHARACTERISTICS
Circuit of Figure 1, VDD=16.5V, TA=25°C, unless otherwise noted.
THD+N vs Output Power
50
20
10
5
2
1
0.5
0.2
0.1
0.05
0.02
0.01
100M
1
10
50
OUTPUT POWER (W)
THD+N vs Output Power
50
20
10
5
2
1
0.5
0.2
0.1
0.05
0.02
0.01
100M
1
10
50
OUTPUT POWER (W)
THD+N vs Output Power
50
20
10
5
2
1
0.5
0.2
0.1
0.05
0.02
0.01
100M
1
10
50
OUTPUT POWER (W)
THD+N vs Output Power
50
20
10
5
2
1
0.5
0.2
0.1
0.05
0.02
0.01
100M
1
10
50
OUTPUT POWER (W)
THD+N vs Output Power
50
20
10
5
2
1
0.5
0.2
0.1
0.05
0.02
0.01
100M
1
10
50
OUTPUT POWER (W)
THD+N vs Output Power
50
20
10
5
2
1
0.5
0.2
0.1
0.05
0.02
0.01
100M
1
10
50
OUTPUT POWER (W)
FFT Noise Floor
0
-10 16K FFT
-20 A-wtd
-30
-40
-50
-60
-70
-80
-90
-100
-110
-120
-130
-140
20
100
1K
FREQUENCY (Hz)
10K20K
Efficiency vs Output Power
100
90 VDD=12V
80
70
60
50
40
30
20
10
0
0
5 10 15 20 25
OUTPUT POWER (W)
Output Power vs Supply Voltage
40
THD=10%
35
30
25
20
15
10
5
0
5
10
15
20
SUPPLY VOLTAGE (VDD)
MP7731 Rev. 1.8
www.MonolithicPower.com
4
9/25/2006
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