參數(shù)資料
型號(hào): TDA7490L
廠商: STMICROELECTRONICS
元件分類: 音頻/視頻放大
英文描述: 20 W, 2 CHANNEL, AUDIO AMPLIFIER, PZFM25
封裝: FLEXIWATT-25
文件頁數(shù): 5/11頁
文件大?。?/td> 242K
代理商: TDA7490L
3/11
TDA7490L
Figure 4. Application in Supply Voltage
*
New component
EXT_CK
+VS
IN 1
IN 2
+Vs
C20
33nF
1
2
C18
330pF
1
2
C14
33nF
1
2
C19
560pF
1
2
C16
330pF
1
2
C17
24pF
1
2
C29
220nF
1
2
C26
470pF
1
2
C25
470pF
1
2
C7
100nF
1
2
C15
560pF
1
2
L1 30uF
1
2
R15
100
1
2
R14
22K
1
2
R12
22K
1
2
OUT 2
1
2
1
2
L2
30uH
1
2
R11
100
1
2
R4
130K
1
2
R20
68K
1
2
R17
52.3K
1
2
R21
4.7K
1
2
R2
30k
1
2
R1
10K
1
2
R3
10k
1
2
Stby
1
2
Mute
1
2
C1
330nF
1
2
C2
1nF
1
2
C3
100nF
1
2
C5
330nF
1
2
C4 100nF
1
2
C6
1nF
1
2
C9
470pF
1
2
C8
470pF
1
2
R6
68K
1
2
R9
52.3K
1
2
R5
4.7K
1
2
C27
1 uF
1
2
R13
10K
1
2
C10
220nF
1
2
OUT 1
1
2
C21
2200uF
1
2
C12
2200uF
1
2
R22
1K
1
2
R23
1K
1
2
C22
100nF
1
2
U1
TDA7490L
MUTE
6
IN 1
10
-VS
1
IN 2
18
10V REG
25
OUT1
3
BOOT1
5
-5V REG
16
+5V REG
12
SGND
13
BOOT2
21
FEED1
7
FEED2
9
T1
11
T2
15
OSC
8
+VSP2
22
FEED4
19
-VSP2
24
FEED3
17
OUT2
23
N.C.
20
CURREF
14
+VSP1
4
-VSP1
2
C11
100uF
1
2
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TDA7490SA 10 W, 2 CHANNEL, AUDIO AMPLIFIER, PZIP19
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