MP1740 –3W HIGH EFFCIENCY MONO CLASS-D AUDIO AMPLIFIER
TYPICAL PERFORMANCE CHARACTERISTICS
(continued)
VCC=AVCC=PVCC=EN, AGND = PGND = 0V, signal frequency fs=1kHz, R
I
=150kohm, Gain=2 V/V,
C
I
=2.2uF, T
A
= +25°C, unless otherwise noted
.
Output Power vs.
Supply Voltage
4
3.5
+0
-10
Output Power(W)
CMRR (dB)
3
2.5
2
1.5
1
0.5
0
2
2.5
3
3.5
4
4.5
5
5.5
6
-20
-30
-40
-50
-60
-70
-80
20
50
100 200
500
1k
2k
5 k 10k 20k
Supply Voltage(V)
Frequency (Hz)
MP1740 Rev. 1.0
1/5/2012
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