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| 型号： | TA8210ALQ |
| 元件分类： | 音频／视频放大 |
| 英文描述： | 22 W, 2 CHANNEL, AUDIO AMPLIFIER, PSFM17 |
| 封装： | 2 MM PITCH, PLASTIC, HSIP-17 |
| 文件页数： | 9/14页 |
| 文件大小： | 939K |
| 代理商： | TA8210ALQ |
TA8210AHQ/ALQ
2006-04-28
4
3. Preventive measure against oscillation
For preventing the oscillation, it is advisable to use C4, the condenser of polyester film having small
characteristic fluctuation of the temperature and the frequency.
The resistance R to be series applied to C4 is effective for phase correction of high frequency, and improves the
oscillation allowance.
Since the oscillation allowance is varied according to the causes described below, perform the temperature test to
check the oscillation allowance.
(1) Voltage gain to be used (GV setting)
(2) Capacity value of condenser
(3) Kind of condenser
(4) Layout of printed board
In case of its use with the voltage gain GV reduced or with the feedback amount increased, care must be taken
because the phase
inversion is caused by the high frequency resulting in making the oscillation viably
generated.
4. Input offset prevention circuit at VCC→on
Having Pre
Amp (Amp 1) mounted on the primary stage, this IC contains the circuit for making the Amp 1 input
voltage and the NF terminal voltage equipotential.
Therefore, the offset voltage produced at the input stage is suppressed to prevent the pop noise at VCC→on. The
capacity values of the input and NF condenser (C1 and C2) shall be set according to the gain to be used.
(Reference) (A) At GV = 50dB (Rf = 0)
C1 = 4.7F, C2 = 47F
(B) At GV = 40dB (Rf = 470)
C1 = 3.3F, C2 = 33F
相关PDF资料 |
PDF描述 |
|---|---|
| TA8210AHQ | 22 W, 2 CHANNEL, AUDIO AMPLIFIER, PZFM17 |
| TA8210ALQ | 22 W, 2 CHANNEL, AUDIO AMPLIFIER, PSFM17 |
| TA8210AL | 22 W, 2 CHANNEL, AUDIO AMPLIFIER, PSFM17 |
| TA8210AH | 22 W, 2 CHANNEL, AUDIO AMPLIFIER, PZFM17 |
| TA8210AL | 22 W, 2 CHANNEL, AUDIO AMPLIFIER, PSFM17 |
相关代理商/技术参数 |
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| TA8211AH | 制造商:Toshiba 功能描述:Class-AB Bulk 制造商:Panasonic Industrial Company 功能描述:IC |
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| TA8214K | 制造商:TOSHIBA 制造商全称:Toshiba Semiconductor 功能描述:MULTI OUTPUT VOLTAGE REGULATOR (8.3V OUTPUT) |
| TA8215 | 制造商:TOSHIBA 制造商全称:Toshiba Semiconductor 功能描述:18W BTL x 3CH AUDIO POWER AMPLIFIER |
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