參數(shù)資料
型號(hào): LX1725ILQ-TR
廠商: MICROSEMI CORP-ANALOG MIXED SIGNAL GROUP
元件分類: 音頻/視頻放大
英文描述: 16 W, 2 CHANNEL, AUDIO AMPLIFIER, PQCC32
封裝: 7 X 7 MM, ROHS COMPLIANT, PLASTIC, MLPQ-32
文件頁數(shù): 11/23頁
文件大?。?/td> 377K
代理商: LX1725ILQ-TR
LX1725
PRODUCTION DATA SHEET
Microsemi
Integrated Products Division
11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: 714-893-2570
19
Page
WWW
.Microse
m
i
.CO
M
15W+15W Stereo Class-D Amplifier
Filterless 30W Mono in BTL
Copyright
2004
Rev. 1.2, 2005-12-06
TM
APPLICATION SCHEMATICS (CON TINUED )
LX1725
1
2
3
4
5
6
7
8
910
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
VPOSA
VCOMA
SYNC
FLAG
RILIM
VREF
COSC
VNEGA
MASTER
VPOS2
OUT2
VNEG2
VNEG1
OUT1
VPOS1
STBY
IN
2P
IN
2
M
N.
C
.
N.
C
.
OU
T
R
E
F
2
VN
E
G
A
VG
N
D
MU
T
E
VC
O
M
V5
V
HI
G
A
IN
OU
T
R
E
F
1
N.C.
IN1
M
IN
1P
1F
IN1P
IN1N
VPOS
VCOM
Sychronize
FLAG
50K
1F 35V
150 - 220pF
VNEG
1F
IN2P
1F
IN2N
MUTE / GAIN
Master / Slave
22H
STBY
4.7F
35V
+5V
VCOM
VPOS
VNEG
0.1F
50V
1000F
35V
VPOS
VNEG
1.
2
K
VCOM
HIGAIN
VNEGA
820nF
1
Note: This design for Typical 4
Ω load, other than 4Ω. Please refer to application
notes AN-35 to change L.C. value
Figure 18 –
Application Schematic (Stereo, Single Supply)
LX1725
1
2
3
4
5
6
7
8
910
11
12
1314
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
VPOSA
VCOMA
SYNC
FLAG
RILIM
VREF
COSC
VNEGA
MASTER
VPOS2
OUT2
VNEG2
VNEG1
OUT1
VPOS1
STBY
IN
2P
IN
2
M
N.
C
.
N.
C
.
OU
T
R
E
F
2
VNE
G
A
VG
N
D
MU
T
E
V
C
O
M
V5
V
HI
G
A
IN
OU
T
R
E
F
1
N.
C.
N.
C.
IN
1
M
IN
1
P
IN1P
IN1N
VPOS
VCOM
Sychronize
FLAG
50K
1F 35V
150 - 220pF
VNEG
IN2P
IN2N
MUTE / GAIN
Master / Slave
VPOS
VNEG
VPOS
STBY
4.7F
35V
+5V
VCOM
0.1F
50V
470F
35V
0.1F
50V
470F
35V
VPOS
VNEG
VNEGA
Figure 19 –
Application Schematic (BTL, Split Supply)
LX1725
1
2
3
4
5
6
7
8
910
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
VPOSA
VCOMA
SYNC
FLAG
RILIM
VREF
COSC
VNEGA
MASTER
VPOS2
OUT2
VNEG2
VNEG1
OUT1
VPOS1
STBY
IN
2
P
IN
2
M
N.
C
.
N.
C
.
RE
F
O
U
T
2
VN
E
G
A
VG
N
D
MUTE
V
C
O
M
V5
V
HI
GA
IN
REF
O
U
T
1
N.
C.
N.
C.
IN
1
M
IN
1
P
IN1P
IN1N
VPOS
VCOM
Sychronize
FLAG
50K
1F 35V
150 - 220pF
VNEG
IN2P
IN2N
MUTE / GAIN
Master / Slave
VPOS
VNEG
VPOS
STBY
4.7F
35V
+5V
VCOM
0.1F
50V
1000F
35V
VPOS
VNEG
1.
2
K
1K
VCOM
HIGAIN
VNEGA
Figure 20 –
Application Schematic (BTL, Single Supply)
AA
PP
LL
IICC
AA
TT
IIOO
NN
SS
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