EV0030 Datasheet, PDF (5/6 Pages) Monolithic Power Systems – 20W Stereo Class D Single Ended Audio Amplifier

TM
EV0030 – 20W STEREO CLASS D SINGLE ENDED AUDIO AMPLIFIER
EVALUATION BOARD
TYPICAL PERFORMANCE CHARACTERISTICS
20
10
1
f=1KHz
0.1
f=10KHz
0.01
f=100Hz
0.1
1
P_OUT (W)
10 30
MP7720-TPC02
20
10
1
f=1KHz
f=10KHz
0.1
f=100Hz
0.01
0.1
1
P_OUT (W)
10 30
MP7720-TPC03
100
10
1
0.1
0.01
20
100
1K
10K
FREQUENCY (Hz)
MP7720-TPC04
100
10
1
0.1
0.01
20
100
1K
10K
FREQUENCY (Hz)
MP7720-TPC05
0
-20
-40
-60
-80
-100
-120
-140
20
100
1K
10K
FREQUENCY (Hz)
MP7720-TPC06
0
-10
-20
-30
-40
-50
-60
-70
-80
-90
-100
100
1K
10K
FREQUENCY (Hz)
MP7720-TPC07
Frequency Response
(Ref=2Vrms, A_V=8.2)
+4
+2
0
-2
-4
-6
-8
-10
20
100
1K
10K 40K
FREQUENCY (Hz)
MP7720-TPC08
Efficiency vs
P_OUT
100
90
80
70
60
50
40
30
20
10
0
0 5 10 15 20 25 30
OUTPUT POWER (W)
MP7720-TPC09
P_OUT vs
V_DD
25
20
15
10
5
0
5 10 15 20 25 30 35
V_DD (_V)
MP7720-TPC10
EV0030 Rev. 1.6
www.MonolithicPower.com
5
6/13/2005
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