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參數(shù)資料
| 型號(hào)： | TA8210AH |
| 元件分類： | 音頻／視頻放大 |
| 英文描述： | 22 W, 2 CHANNEL, AUDIO AMPLIFIER, PZFM17 |
| 封裝： | HZIP-17 |
| 文件頁數(shù)： | 8/12頁 |
| 文件大?。?/td> | 995K |
| 代理商： | TA8210AH |
TA8210AH / AL
2002-10-30
5
5. Muting function
Through setting pin(1) (mute terminal) at about 1V or less, muting becomes possible.
The interval circuit of IC is shown in Fig.4.
When pin(1) is set to low, Q1 and Q2 are turned to on, the charge of the ripple condenser is discharged and the
bias is cut. The mute amount of 60dB or over can be obtained.
Since this muting function rapidly discharge the charge of the ripple filter capacitor of pin(8), the pop noise is
generated by the DC fluctuation of the bias section.
Therefore, this muting function is not appropriate to the audio muting but it is effective in muting at VCC→on.
6. External part list and description
Influence
Sym
-
bol
Recom
-
mended
Value
Feature
Smaller Than
Recommended Value
Larger Than
Recommended Value
Remarks
C1
4.7F
DC blocking
Related to pop noise at VCC→on.
Related to gain.
Refer to item 4.
Related to pop noise at VCC→on.
C2
47F
Feedback
condenser
Determination of low cut
-off frequency.
C2 =
f
R
L
f
2
1
·
F
C3
220F
Ripple
reduction
Time constant is small
at VCC→on or off.
Time constant is large
at VCC→on or off.
C4
0.12F
Oscillation
prevention
Made liable to
oscillate.
Oscillation allowance.
Refer to item 3.
C5
1000F
Ripple filter
For filtering power supply hum and ripple.
Large at using AC rectified power supply.
Small at using DC power supply.
C6
1000PF
Oscillation
prevention
Oscillation allowance improved.
Noise reduction
Refer to item 3.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| TA8210AL | 22 W, 2 CHANNEL, AUDIO AMPLIFIER, PSFM17 |
| TA8210AH | 22 W, 2 CHANNEL, AUDIO AMPLIFIER, PSFM17 |
| TA8215HQ | 18 W, 2 CHANNEL, AUDIO AMPLIFIER, PZFM17 |
| TA8215LQ | 18 W, 2 CHANNEL, AUDIO AMPLIFIER, PSFM17 |
| TA8215L | 18 W, 2 CHANNEL, AUDIO AMPLIFIER, PSFM17 |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TA8210AHQ | 制造商:Toshiba America Electronic Components 功能描述: |
| TA8210AL | 制造商:TOSHIBA 制造商全稱:Toshiba Semiconductor 功能描述:20W BTL x 2CH AUDIO POWER AMPLIFIER |
| TA8210ALQ | 制造商:TOSHIBA 制造商全稱:Toshiba Semiconductor 功能描述:20W BTL 】 2ch Audio Power Amplifier |
| TA8211AH | 制造商:Toshiba 功能描述:Class-AB Bulk 制造商:Panasonic Industrial Company 功能描述:IC |
| TA8212F | 制造商:TOSHIBA 制造商全稱:Toshiba Semiconductor 功能描述:4CH POWER DRIVER IC FOR CD PLAYER |
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