參數(shù)資料
型號: LA7458W
元件分類: 消費家電
英文描述: SPECIALTY CONSUMER CIRCUIT, PQFP64
封裝: 10 X 10 MM, SQFP-64
文件頁數(shù): 14/22頁
文件大?。?/td> 244K
代理商: LA7458W
LA7458W
No.A0642-21/22
Figure 1
Figure 2
Figure 3
Test Circuit
400
μ
sec
200
μsec
T1
T2
15mVp-p
+
+ -
+
-
+
-
+
49
48
47
46
45
44
43
42
41
40
39
38
37
36
35
A35
34
33
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
50
51
52
53
54
55
56
57
A57
58
59
60
61
62
63
64
32
31
30
29
28
27
26
25
24
23
22
21
20
A20
19
18
17
47
μ
F
F
V
EE
49
0.1
μ
F
0.33
μ
F
1k
Ω
16
Ω
1k
Ω
150k
Ω
820
Ω
0.22
μ
F
10k
Ω
1k
Ω
TA
6
3
-33dBs
TA
5
0
TA
4
5
V
CC
-L
V
CC
-L
V
EE
21
10k
Ω
10k
Ω
4.7k
Ω
820
Ω
1k
Ω
10k
Ω
TA
5
TA
4
SW5
0.33
μF
10k
Ω
1k
Ω
TA
2
0.047
μF
+
4.7
μF
+
F
+
10
μF
+
4.7
μF
+
4.7
μF
+ 47
μ
F
A52
V
CC
-H
V
CC
-L
V
CC
-L
V
CC
-L
+ 47
μ
F
0.01
μ
F
0.47
μF
0.01
μF
0.1
μF
0.1
μF
47
μF
+
10
μF
+
1
μF
F
F
3.3M
Ω
270k
Ω
16
Ω
0.01
μ
F
2200pF
200pF
DO&
MUTE
6800pF
0.01
μF
MIC V
CC
VREF
POWER
MUTE
LP
EMPH
C
OCA
H.P/SP
SW
1.5M
BPF
COMP
AF
LIM
COMP
VCO
S/H
LPF
F
ADE
ALC
PNR
MUTE
SP
LP
SW31
A
B
SW23
A
B
PB
REC
LINE
MIC
A
SW61
B
-43DBS
-20DBS
EXT
MIC
INT
MIC
REC
PB
EVR
VREF
LPF
+
-
H.P
V
CC
-H
A
B
SW16
V
CC
-L
A
B
SW6
1k
Ω
TA
3
SW3
0.22
μF
0.22
μF
TA
6
1
TA
6
0
1k
Ω
A
SW59
B
TA
6
1
A
SW55
B
A
SW54
A
SW53
SW48
C
B
V
CC
-L
A
C
B
SW47
V
CC
-H
A
B
A
B
SW46
V
CC
-H
A
B
TA
5
8
TA
1
SW1
0.22
μF
TA
4
2
TA
4
5
TA
3
9
T
A32
T
A30
T
A28
T
A25
T
A23
T
A21
T
A19
T
A18
T
A17
+
SW42
10k
Ω
1M
Ω
+
47
μF
V
CC
-H
0.01
μF
+ 47
μ
F
0.01
μ
F
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