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參數(shù)資料
| 型號： | TDA7263M |
| 廠商： | STMICROELECTRONICS |
| 元件分類： | 音頻／視頻放大 |
| 英文描述： | 12 W, 2 CHANNEL, AUDIO AMPLIFIER, PZFM11 |
| 封裝： | MULTIWATT-11 |
| 文件頁數(shù)： | 5/7頁 |
| 文件大小： | 1087K |
| 代理商： | TDA7263M |
Obsolete
Product(s)
- Obsolete
Product(s)
BUILT-IN PROTECTION SYSTEMS
THERMAL SHUT-DOWN
The presence of a thermal limiting circuit offers
the following advantages:
1-an overload on the output (even if it is perma-
nent), or an excessive ambient temperature
can be easily withstood.
2-the heatsink can have a smaller factor of
safety compared with that of a conventional
circuit. There is no device damage in the case
of excessive junction temperature; all that
happens is that PO (and therefore Ptot) and IO
are reduced.
SHORT CIRCUIT (AC CONDITIONS)
The TDA7263M can withstand accidental short
circuits across the speaker made by a wrong con-
nection during normal play operation.
APPLICATION SUGGESTION
The recommended values of the components are those shown on application circuit of figure 1. Different
values can be used; the following table can help the designer.
Component
Recomm.
Value
Purpose
Larger Than
Smaller Than
R1 and R3
1.5K
Close loop gain setting (*)
Increase of gain
Decrease of gain
R2 and R4
47
Close loop gain setting (*)
Decrease of gain
Increase of gain
R5 and R6
4.7
Frequency stability
Danger of oscillations
C1 and C2
100nF
Input DC decoupling
Higher SVR
Higher low frequency cutoff
C3
47
F
- Ripple Rejection
- Mute time constant
Increase of the Switch-on
time
- Degradation of SVR
- Worse turn-off pop by muting
C4
100nF
Supply Voltage Bypass
Danger of oscillations
C5
1000
F
Supply Voltage Bypass
C6 and C7
47
F
Feedback input DC
decoupling
Increase of the Switch-on
time
Decrease of the Switch-on
time
C8 and C9
0.1
F
Frequency stability
Danger of oscillations
C10 and C11
1000
F
Output DC decoupling
Higher low-frequency cut-off
(*) Closed loop gain must be higher than 26dB
Figure 8: P. C. Board and Component Layout of the Application Circuit (1:1 scale).
TDA7263M
5/7
相關(guān)PDF資料 |
PDF描述 |
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| TDA7263SA | 12 W, 2 CHANNEL, AUDIO AMPLIFIER, PZFM15 |
| TDA7266B | 10 W, 2 CHANNEL, AUDIO AMPLIFIER, PZFM15 |
| TDA7266D13TR | 7 W, 2 CHANNEL, AUDIO AMPLIFIER, PZFM15 |
| TDA7266L | 7 W, 1 CHANNEL, AUDIO AMPLIFIER, PSFM10 |
| TDA7266M | 7 W, 1 CHANNEL, AUDIO AMPLIFIER, PZFM15 |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
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| TDA7265B | 功能描述:開關(guān)變換器、穩(wěn)壓器與控制器 30W 30W Stereo AMP Class AB Dual 35V RoHS:否 制造商:Texas Instruments 輸出電壓:1.2 V to 10 V 輸出電流:300 mA 輸出功率: 輸入電壓:3 V to 17 V 開關(guān)頻率:1 MHz 工作溫度范圍: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:WSON-8 封裝:Reel |
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