参数资料
型号: LX1721CDBT
厂商: MICROSEMI CORP-ANALOG MIXED SIGNAL GROUP
元件分类: 音频/视频放大
英文描述: 25 W, 2 CHANNEL, AUDIO AMPLIFIER, PDSO44
封装: PLASTIC, QSOP-44
文件页数: 14/14页
文件大小: 379K
代理商: LX1721CDBT
Microsemi
Linfinity Microelectronics Division
11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: 714-893-2570
Page 9
Copyright
2001
Rev. 1.2,2004-02-02
WWW
.Microse
m
i
.CO
M
AudioMAX
LX1721 / 1722
Class-D Stereo Power Amplifier Controller
PRODUCTION
I N T E GRA T ED
PR ODUC T S
CHARACT ER ISTIC CURVES ( C ONTINUED)
0.001
100
0.002
0.005
0.01
0.02
0.05
0.1
0.2
0.5
1
2
5
10
20
50
0.05123
0.53924
T
HD+
N(
%
)
100m
300
200m
500m
1
2
5
10
20
50
100
200
1.136
109.9
Output Power (W)
dx=108.8 W
dy=0.48800 %
FIGURE 5
– THD+N VS. OUTPUT POWER
VIN = 25V
fIN = 1kHz
RL = 2
0.001
100
0.002
0.005
0.01
0.02
0.05
0.1
0.2
0.5
1
2
5
10
20
50
0.19402
0.02322
T
H
D+
N
(
%
)
20
20k
50
100
200
500
1k
2k
5k
10k
5.025k
126.2
Frequency (Hz)
dx=-4.8988 kHz
dy=-0.17080 %
FIGURE 6
– THD+N VS. FREQUENCY
VIN = 15V
RL = 4
PO = 1WRMS
0.001
100
0.002
0.005
0.01
0.02
0.05
0.1
0.2
0.5
1
2
5
10
20
50
0.1798
0.06044
T
HD+
N
(
%
)
20
20k
50
100
200
500
1k
2k
5k
10k
5.025k
126.2
Frequency (Hz)
dx=-4.8988 kHz
dy=-0.11937 %
FIGURE 7
– THD+N VS. FREQUENCY
VIN = 25V
RL = 4
PO = 1WRMS
GG
RR
AA
PP
HH
SS
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相关代理商/技术参数
参数描述
LX1721CDBTR 制造商:MICROSEMI 制造商全称:Microsemi Corporation 功能描述:Class-D Stereo Power Amplifier Controller
LX1721EVALKIT 制造商:未知厂家 制造商全称:未知厂家 功能描述:AudioMAX Products
LX1722 制造商:MICROSEMI 制造商全称:Microsemi Corporation 功能描述:Class-D Stereo Power Amplifier Controller
LX1722-150EVALKIT 制造商:未知厂家 制造商全称:未知厂家 功能描述:AudioMAX Products
LX1722CDB 制造商:Microsemi Corporation 功能描述: