LX1722 データシートの表示（PDF） - Microsemi Corporation
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LX1722 Datasheet PDF : 14 Pages
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INTEGRATED PRODUCTS
AudioMAX™
LX1721 / 1722
Class-D Stereo Power Amplifier Controller
PRODUCTION
CHARACTERISTIC CURVES (CONTINUED)
dx=108.8 W
100
50
dy=0.48800 %
20
10
5
2
1
0.539204.5
0.2
0.1
0.05102.035
0.02
0.01
0.005
0.002
0.001
100m
200m
500m
11.136
2
5
10
20
Output Power (W)
50
1090.9
200 300
FIGURE 5 – THD+N VS. OUTPUT POWER
VIN = 25V
fIN = 1kHz
RL = 2Ω
dx=-4.8988 kHz
100
50
dy=-0.17080 %
20
10
5
2
1
0.5
0.194002.2
0.1
0.05
0.02302.022
0.01
0.005
0.002
0.001
20
50
100126.2
200
500
1k
2k
Frequency (Hz)
5.052k5k
10k
20k
dx=-4.8988 kHz
100
50
dy=-0.11937 %
20
10
5
2
1
0.5
0.2
0.1798
0.1
0.0604.045
0.02
0.01
0.005
0.002
0.001
20
50
100126.2
200
500
1k
2k
Frequency (Hz)
5.052k5k
10k
20k
FIGURE 6 – THD+N VS. FREQUENCY
VIN = 15V
RL = 4Ω
PO = 1WRMS
FIGURE 7 – THD+N VS. FREQUENCY
VIN = 25V
RL = 4Ω
PO = 1WRMS
Copyright © 2001
Rev. 1.2a,2004-06-10
Microsemi
Linfinity Microelectronics Division
11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: 714-893-2570
Page 9
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