參數(shù)資料
型號: 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): 4/11頁
文件大?。?/td> 242K
代理商: TDA7490L
TDA7490L
2/11
Figure 3. Test and Application Circuit. (Bridge Configuration)
Table 2. Absolute Maximum Ratings
Table 3. Thermal Data
Symbol
Parameter
Value
Unit
VCC
DC Supply Voltage (no signal)
±30
V
Ptot
Power Dissipation Tcase = 70°C
35
W
Tstg, Tj
Storage and Junction Temperature
–40 to 150
°C
Top
Operating Temperature Range
0 to 70
°C
V6,8,10,18
Maximum Voltage on pins # 6,8,10,18 referred to GND
±5V
Symbol
Parameter
Value
Unit
Rth j-case
Thermal Resistance Junction-case
Typ.
1
°C/W
PWM-stage
PRE
+
-
+
470pF
R4
68K
R5 52.3K
L9 30
INPUT
C23
235nF
PWM-stage
L10 30
C26
470nF
dumping
(common
mode)
The LC filter is optimized for 8
(<->LC filter for 4
in single-ended)
It hos to be changed for other loads
C24
235nF
C29
470nF
R28
10
R27
10
R25
Rload
PRE
470pF
R61
68K
R62 52.3K
D99AU1081
7
9
10
18
19
17
23
3
R63
4.7K
Int.
C40
C60
C59
C41
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