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: 2/14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 10
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)
-10
+10
-8
-6
-4
-2
+0
+2
+4
+6
+8
-0.965
-1.119
V
ol
tage
A
m
pl
ifi
cat
io
n(
dB
r)
10
80k
20
50
100
200
500
1k
2k
5k
10k
20k
50k
17.8875k
18.2
Frequency (Hz)
dx=-17.869 kHz
dy=-0.155 dB
FIGURE 8 –
FREQUENCY RESPONSE
VIN = 15V
RL = 4
PO = 1WRMS
-10
+10
-8
-6
-4
-2
+0
+2
+4
+6
+8
-1.606
-1.436
V
ol
tage
A
m
pl
ifi
cat
ion
(
dB
r)
10
80k
20
50
100
200
500
1k
2k
5k
10k
20k
50k
17.8875k
18.2
Frequency (Hz)
dx=-17.869 kHz
dy=+0.170 dB
FIGURE 9 –
FREQUENCY RESPONSE
VIN = 25V
RL = 4
PO = 1WRMS
-150
+10
-140
-130
-120
-110
-100
-90
-80
-70
-60
-50
-40
-30
-20
-10
+0
-98.12
-94.916
dB
V
20
20k
50
100
200
500
1k
2k
5k
10k
3.96192k
.973932k
Frequency (Hz)
dx=-2.9880 kHz
dy=+3.205 dB
FIGURE 10 –
NOISE FLOOR FFT
VIN = 15V
RL = 4
10Hz – 22kHz Bandwidth
A-weighted
GG
RR
AA
PP
HH
SS
相关PDF资料
PDF描述
LX1722CDBT 60 W, 2 CHANNEL, AUDIO AMPLIFIER, PDSO44
LX1722CDB 60 W, 2 CHANNEL, AUDIO AMPLIFIER, PDSO44
LX1721CDBTR 60 W, 2 CHANNEL, AUDIO AMPLIFIER, PDSO44
LX1722CDBTR 60 W, 2 CHANNEL, AUDIO AMPLIFIER, PDSO44
LX1725ILQ-TR 16 W, 2 CHANNEL, AUDIO AMPLIFIER, PQCC32
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: