TDA7490L(2001) 查看數據表（PDF） - STMicroelectronics
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TDA7490L Datasheet PDF : 9 Pages
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TDA7490L
Figure 2. Test and application circuit. (Bridge Configuration)
470pF
470pF R5 52.3K
C40 R4
C41
68K
7
9
INPUT 10
PRE
-
Int.
+
PWM-stage
3
R63
4.7K
PRE
18
+
Int.
-
19
17
470pF
470pF
23
PWM-stage
C60 R61
68K
C59
R62 52.3K
ABSOLUTE MAXIMUM RATINGS
Symbol
VCC
Ptot
Tstg, Tj
Top
V6,8,10,18
Parameter
DC Supply Voltage (no signal)
Power Dissipation Tcase = 70°C
Storage and Junction Temperature
Operating Temperature Range
Maximum Voltage on pins # 6,8,10,18 referred to GND
The LC filter is optimized for 8Ω
(<->LC filter for 4Ω in single-ended)
It hos to be changed for other loads
L9 30µ
C23
235nF
C26
470nF
R27
10
C24
235nF
L10 30µ
R28
10
C29
470nF
dumping
(common
mode)
R25
Rload
D99AU1081
Value
±30
35
–40 to 150
0 to 70
±5
Unit
V
W
°C
°C
V
THERMAL DATA
Symbol
Rth j-case
Parameter
Thermal Resistance Junction-case
Typ.
1
Max.
Unit
°C/W
2/9
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