參數(shù)資料
型號: TDA7268
廠商: 意法半導(dǎo)體
英文描述: 2 x 2W Stereo Audio Amplifier(立體聲音頻處理器)
中文描述: 2 × 2W立體聲音頻放大器(立體聲音頻處理器)
文件頁數(shù): 4/6頁
文件大小: 113K
代理商: TDA7268
APPLICATION HINTS:
For 12V supply and 8
speaker application, its
maximum power dissipation is about 2W.
Assumming that max ambient temperature is
70
°
C. Required thermal resistance of the device
and heat dissipating means must be equal to (150
- 70)/2 = 40
°
C/W.
Junction to pin thermal resistance of the package
is about 15
°
C/W.
That means external heat sink of about 25
°
C/W is
required. Stand-By switches must be able to dis-
charge C
svr
current.
IN1
V
S1
OUT1
D94AU168D
IN2
SVR
S-GND
OUT2
P-GND
+
-
+
-
V
S2
C4
100
μ
F
V
S
=12V
C5
470
μ
F
8
IN1
C6 470
μ
F
8
C2 0.1
μ
F
C3
47
μ
F
IN2
C1 0.1
μ
F
S1
STAND-BY
1
4
2
8
7
5
3
6
9
÷
16
R1
10K
R2
10K
Note: Add R1 & R2 on demoboard only for DC tests.
Fig. 1:
Standard Test and Application Circuit
Fig. 2:
PCB And Components Layout Of The Application Circuit of Figure 1
TDA7268
4/5
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