TDA7490L_05 Datasheet, PDF (2/11 Pages) STMicroelectronics – 20W + 20W STEREO CLASS-D AMPLIFIER 40W MONO IN BTL

TDA7490L
Figure 3. 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
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
Table 2. Absolute Maximum Ratings
Symbol
Parameter
V_CC
DC Supply Voltage (no signal)
P_tot
Power Dissipation T_case = 70°C
T_stg, T_j Storage and Junction Temperature
T_op
Operating Temperature Range
V_6,8,10,18 Maximum Voltage on pins # 6,8,10,18 referred to GND
Table 3. Thermal Data
Symbol
Parameter
R_{th j-case} Thermal Resistance Junction-case
Typ.
Value
±30
35
–40 to 150
0 to 70
±5
Value
1
Unit
V
W
°C
°C
V
Unit
°C/W
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