參數(shù)資料
型號: TDA7490SA
廠商: 意法半導體
英文描述: 10W +10W Stereo Class-D Amplifier
中文描述: 10W的10W的立體聲D類放大器
文件頁數(shù): 3/13頁
文件大?。?/td> 180K
代理商: TDA7490SA
TDA7490SA
1 Typical application and pin description
3/13
1
Typical application and pin description
1.1
typical application
Figure 1.
typical application and test circuit for single and split supply
1.2
pin description
Figure 2.
pin connection
DRIVER
DRIVER
REGULATOR
OSCILLATOR
PWM STAGE
PWM STAGE
C3 330nF
INPUT1
EXTERNAL
CLK
INPUT2
C5
1nF
IN1
REFERENCE
TRIANGLE1
TRIANGLE2
IN2
R1
27K
T2
C1
100nF
C9
100nF
C10
100nF
C18
560pF
R7
100
-V
CC
/GND
C16
33nF
C13
100nF
C12
100nF
C15 2200
μ
F
C14 2200
μ
F
C19
560pF
R8
100
-V
CC
/GND
C17
33nF
C11
100nF
-V
CC
/GND
-V
CC
/GND
+V
CC
C4 330nF
C6
1nF
GND
R4 30K
R6 10K
R5 10K
C8
2.2
μ
F
STBY
STBY/MUTE
+5V
-5V
VREG
OUT2
+VCC2
BOOTSTRAP2
-V
CC
OUT1
+V
CC1
BOOSTRAP1
LOUDSPEAKER1
LOUDSPEAKER2
MUTE
R2
22K
C2
330pF
R3
22K
C7
330pF
L1 30
μ
L2 30
μ
C20
220nF
C21
220nF
D99AU1066B
6
8
5
13
15
12
4
14
7
16
10
19
17
9
1
2
18
3
/GND
(**)
(**)
1000
μ
F
1000
μ
F
(*)
+V
CC
-V
CC
/GND
R9
1K
R10
1K
(*) Only for single Supply Solution
(**) To add externally the PCB for Single Supply
1
2
3
4
5
6
7
D04AU1542
9
10
11
8
13
14
15
16
17
18
19
12
O U T 1
+ V C C 2
O U T 2
B O O T 2
V R E G
I N 2
+ 5 V
T R I A N G L E 2
G N D
N . C .
- V C C
- V C C
T R I A N G L E 1
- 5 V
R E F E R E N C E
I N 1
S T - B Y / M U T E
B O O T 1
+ V C C 1
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