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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： | 4/14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 12
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
APPLICATION
RFBK+
Vcc
R13
5.1/1W
Q5
C34
0.47uF/50V
C7
100pF
R10
5.1/1W
U1
LX1721-01CDB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
LFAOUT
CPWM
RPWM
_LMUTE
LEAOUT
LEAIN
VREF
CLOCK
GND
V25
LIN+
LIN-
LAMPOUT
RIN+
RIN-
RAMPOUT
SLEEP
STATUS
_RMUTE
REAIN
REAOUT
RFAOUT
RFBK-
RFBK+
RISN
NC
PVDD
CP
PGND
RN+
RP+
RP-
RN-
LN-
LP-
LP+
LN+
PGND
PVDD
CN
VDD
LISN
LFBK+
LFBK-
R14
5.1/1W
R1
10k
+
C15
10uF/25V
+
C21
47uF/25V
Vcc
R4 56.2k 1%
L1
15uH
RISN
C33
0.68uF/50V
RISN
RFBK-
+ C1
1000F
25V
C31
0.47uF/50V
Q3
LFBK-
C30
0.68uF/50V
OUTR+
PGND
C27
220pF
R8
5.1/1W
Vcc
RN-
L4
15uH
LN+
C14 0.1uF/25V
JP1
Teminal 2
1
2
C10 150pF
C28
220pF
LN-
LIN+
OUTL+
C2
0.1uF/25V
C19
0.1uF/25V
L2
15uH
C29
0.68uF/50V
OUTR-
PGND
C12150pF
PGND
R11
5.1/1W
Q6
+
C20 4.7uF/25V,TANT
C3
0.47uF
R6
0.020/1W
R17
24.3K 1%
RFBK-
Vcc
RFBK+
RP+
Vcc
C16
0.1uF/25V
R15
5.1/1W
LFBK+
R20
15/1W
R21
15/1W
R2 56.2k 1%
R16
24.3K 1%
C5
0.47uF
Vcc
R3 10k
Q7
C9
18pF
C6 0.47uF
PGND
RN+
RIN-
LIN-
+
C17 4.7uF/25V,TANT
Vcc
+
C18
47uF/25V
Q8
Vcc
GN
D
C32
0.68uF/50V
C25
220pF
RIN+
_MUTE
R12
5.1/1W
GND
LFBK-
R9
5.1/1W
Vcc
R7
0.020/1W
LISN
LIN+
RIN-
C11 18pF
LIN-
C26
220pF
PGND
C22
0.1uF/25V
RP-
+
C13 1uF/10V,TANT
R19
24.3K 1%
LFBK+
L3
15uH
PGND
R5 34.8k 1%
SLEEP
Q2
LISN
R18
24.3K 1%
RIN+
LP-
PGND
LP+
Q1
C4
0.47uF
PGND
Q4
OUTL-
FIGURE 14
– TYPICAL CLASS-D STEREO SWITCHING AMPLIFIER CIRCUIT APPLICATION
AA
PP
LL
IICC
AA
TT
IIOO
NN
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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: |
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