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TDA7490L Fiches technique(PDF) 2 Page - STMicroelectronics

No de pièce TDA7490L
Description  20W 20W STEREO CLASS-D AMPLIFIER 40W MONO IN BTL
Download  11 Pages
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Fabricant  STMICROELECTRONICS [STMicroelectronics]
Site Internet  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

TDA7490L Fiches technique(HTML) 2 Page - STMicroelectronics

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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
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
(<->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
7
9
10
18
19
17
23
3
R63
4.7K
Int.
Int.
C40
C60
C59
C41


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