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MP1740 Datasheet(PDF) 6 Page - Monolithic Power Systems

Part # MP1740
Description  3W HIGH EFFICIENCY MONO CLASS-D AUDIO AMPLIFIER
PDF  11 Pages
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Manufacturer  MPS [Monolithic Power Systems]
Direct Link  http://www.monolithicpower.com
Logo MPS - Monolithic Power Systems

MP1740 Datasheet(HTML) 6 Page - Monolithic Power Systems

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MP1740 –3W HIGH EFFCIENCY MONO CLASS-D AUDIO AMPLIFIER
MP1740 Rev. 1.0
www.MonolithicPower.com
6
1/5/2012
MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.
© 2012 MPS. All Rights Reserved
TYPICAL PERFORMANCE CHARACTERISTICS
VCC=AVCC=PVCC=EN, AGND = PGND = 0V, signal frequency fs=1kHz, RI=150kohm, Gain=2 V/V,
CI=2.2uF, TA = +25°C, unless otherwise noted.
POUT (W)
Frequency (Hz)
Frequency (Hz)
0.01
20
0.02
0.05
0.1
0.2
0.5
1
2
5
10
-10
+4
-8
-6
-4
-2
+0
+2
10
40k
20
50 100 200 500 1k 2k
5k 10k 20k
20
20k
50 100 200
500 1k
2k
5k 10k
d
B
r
A
-100
+0
-90
-80
-70
-60
-50
-40
-30
-20
-10
20
20k
50
100 200
500 1k
2 k
5 k 10k
PSRR vs.Frequency
0
10
20
30
40
50
60
70
80
90
100
0
0.5
1
1.5
2
2.5
3
3.5
0
0.1
0.2
0.3
0.4
0.5
0.6
0
0.5
1
1.5
2
2.5
3
Power Dissipation vs. POUT
VCC=5V
Efficiency vs. POUT
VCC=5V
Frequency (Hz)
60m
4
100m 200m 300m 500m
1
2
3
2.5V
3.6V
5V
5.5V
POUT (W)
Frequency (Hz)
Frequency (Hz)
0.01
20
0.02
0.05
0.1
0.2
0.5
1
2
5
10
0.01
20
0.02
0.05
0.1
0.2
0.5
1
2
5
10
60m
2
3
100m
200m 300m 500m
1
-10
+4
-8
-6
-4
-2
+0
+2
10
40k
20
50 100 200 500 1k 2k
5k 10k 20k
0.001
20
0.01
0.1
1
5
20
20k
50 100 200
500 1k
2k
5k 10k
50mW
250mW
1W
d
B
r
A
POUT (W)
POUT (W)
2.5V
5.5V
3.6V
5V
100mW
2W
500mW
RL
RL
RL
RL



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