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TDA7490L Datasheet(PDF) 2 Page - STMicroelectronics

Part # TDA7490L
Description  15W 15W STEREO CLASS-D AMPLIFIER28W MONO IN BTL
PDF  9 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

TDA7490L Datasheet(HTML) 2 Page - STMicroelectronics

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background image
PWM-stage
PRE
+
-
-
+
470pF
470pF
R4
68K
R5 52.3K
L9 30
µ
INPUT
C23
235nF
PWM-stage
L10 30
µ
C26
470nF
dumping
(common
mode)
The LC filter is optimized for 8
Ω
(<->LC filter for 4
Ω in single-ended)
It hos to be changed for other loads
C24
235nF
C29
470nF
R28
10
R27
10
R25
Rload
PRE
470pF
470pF
R61
68K
R62 52.3K
D99AU1081
79
10
18
19
17
23
3
R63
4.7K
Int.
Int.
C40
C60
C59
C41
Figure 2. Test and application circuit. (Bridge Configuration)
ABSOLUTE MAXIMUM RATINGS
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
THERMAL DATA
Symbol
Parameter
Typ.
Max.
Unit
Rth j-case
Thermal Resistance Junction-case
1
°C/W
TDA7490L
2/9



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