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參數(shù)資料
| 型號： | TA7628HP |
| 元件分類： | 音頻／視頻放大 |
| 英文描述： | 1.4 W, 1 CHANNEL, AUDIO AMPLIFIER, PDIP16 |
| 封裝： | 0.300 INCH, 2.54 MM PITCH, PLASTIC, DIP-16 |
| 文件頁數(shù)： | 5/12頁 |
| 文件大?。?/td> | 478K |
| 代理商： | TA7628HP |
TA7628P/HP
2002-03-05
2
Switch Over
Test Item
SW1
SW2
SW3
SW4
SW5
SW6
Gvo1
1
ON
OFF
Gv1
1
OFF
Vout1
1
OFF
Gv2
1
3
OFF
Vout2
1
3
OFF
Vno2
1
3
OFF
ON
OFF
ALC
1
2
OFF
Gvo3
2
1
OFF
ON
OFF
Gv3
2
1
OFF
Pout
2
1
OFF
Vno3
2
1
OFF
ON
Precaution for Use
1.
Precaution of GND line
The GND points of input side GND and N.F side GND in each amplifier must be arranged at the
preamplifier side. (Figure 1)
The input side GND point and the N.F side GND point must be arranged near each other to have no
impedance.
Figure 1
2.
About radiation
(1)
The capacitance between the output and GND in preamplifier, buffer amplifier and power amplifier
must be arranged near to this IC. The radiation loop must be as small as possible.
(2)
The voltage gain of high frequency in each amplifier must be reduced to reduce the noise with high
frequency component. (In the application circuit, the feed back capacitor is used)
A 1000 pF or same order capacitor must be connected from the input terminal of preamplifier and
power amplifier to GND to prevent the interference of radiation.
(3)
It is better for this IC to separate adequately from the antenna in the radio cassette tape recorder
applications.
(4)
The electrolytic capacitance 100 F~220 F between VCC and GND must be arranged near to this IC.
3.
To prevent the oscillation
(1)
The output terminal of preamplifier must be terminated to GND by the capacitance more than
5600 pF. (The recommended value: C = 0.01 F)
(2)
The output terminal of buffer amplifier must be terminated to GND by the capacitance more than
0.01 F. (The recommended value: C = 0.01 F)
(3)
The output terminal of power amplifier must be terminated to GND by the good temperature
characteristic capacitance of 1~2.2 F. The bootstrap terminal must be terminated to GND with the
capacitance more than 0.47 F.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TA7628P | 制造商:TOSHIBA 制造商全稱:Toshiba Semiconductor 功能描述:AMPLIFIER SYSTEM FOR CASSETTE TAPE RECORDER |
| TA7629P | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:CD/TA7629P 是單通道杜比降噪電路，其內(nèi)部設(shè)有杜比B 型降噪系統(tǒng)所需的放大器和方式開關(guān)。 |
| TA7630P | 制造商:Panasonic Industrial Company 功能描述:IC |
| TA7630PG | 制造商:Toshiba America Electronic Components 功能描述:Volume/Balance/Tone DC Control IC 16-Pin DIP |
| TA7639P(CN) | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:TA7639P 由兩個通道的前置放大器、錄音放大器和耳機(jī)放大器組成. |
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