參數(shù)資料
型號: TDA7265SA
廠商: STMICROELECTRONICS
元件分類: 音頻/視頻放大
英文描述: 18 W, 2 CHANNEL, AUDIO AMPLIFIER, PZFM11
封裝: CLIPWATT-11
文件頁數(shù): 8/12頁
文件大小: 389K
代理商: TDA7265SA
Obsolete
Product(s)
- Obsolete
Product(s)
5/12
TDA7265SA
Figure 6. Test and Application Circuit (Stereo Configuration)
4
APPLICATION SUGGESTIONS (DEMO BOARD SCHEMATIC)
The recommended values of the external components are those shown the demoboard schematic different val-
ues can be used, the following table can help the designer
Table 5. .
(*) Closed loop gain has to be
≥25dB
COMPONENT
SUGGESTION
VALUE
PURPOSE
LARGER THAN
RECOMMENDED VALUE
SMALLER THAN
RECOMMENDED VALUE
R1
10K
Mute Circuit
Increase of Dz Biasing
Current
R2
15K
Mute Circuit
Vpin #5 Shifted Downward
Vpin #5 Shifted Upward
R3
18K
Mute Circuit
Vpin #5 Shifted Upward
Vpin #5 Shifted Downward
R4
15K
Mute Circuit
Vpin #5 Shifted Upward
Vpin #5 Shifted Downward
R5, R8
18K
Closed Loop Gain
Setting (*)
Increase of Gain
R6, R9
560
Decrease of Gain
R7, R10
4.7
Frequency Stability
Danger of Oscillations
C1, C2
1
F
Input DC Decoupling
Higher Low Frequency Cutoff
C3
1
F
St-By/Mute Time
Constant
Larger On/Off Time
Smaller On/Off Time
C4, C6
1000
F
Supply Voltage Bypass
Danger of Oscillations
C5, C7
0.1
F
Supply Voltage Bypass
Danger of Oscillations
C8, C9
0.1
F
Frequency Stability
Dz
5.1V
Mute Circuit
R3
IN (L)
C1
R2
C3
MUTE/
ST-BY
GND
IN (R)
C2
R7
R10
C8
C9
OUT (L)
OUT (R)
C6
C4
+VS
3
5
7
9
6
11
2
4
+
-
D94AU087B
RL (L)
RL (R)
+VS
-VS
R9
R5
IN- (L)
8
10
IN- (R)
1
SW1
R1
DZ
R4
SW2
C7
R8
R6
C5
Q1
ST-BY
MUTE
相關PDF資料
PDF描述
TDA7265 25 W, 2 CHANNEL, AUDIO AMPLIFIER, PZFM11
TDA7266D 5 W, 2 CHANNEL, AUDIO AMPLIFIER, PDSO20
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TDA7266SA 7 W, 2 CHANNEL, AUDIO AMPLIFIER, PZFM15
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