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參數(shù)資料
| 型號(hào)： | LA4440 |
| 元件分類(lèi)： | 音頻／視頻放大 |
| 英文描述： | 6 W, 2 CHANNEL, AUDIO AMPLIFIER, PSIP14 |
| 封裝： | HEAT SINK, SIP-14 |
| 文件頁(yè)數(shù)： | 10/13頁(yè) |
| 文件大小： | 467K |
| 代理商： | LA4440 |
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LA4440
No.750–6/13
(g) In case of applying audio muting in each application circuit, the following circuit is used.
6V
≤V
M≤VCC
Recommended VM=9V
ATT=40dB (Rg=600)
Flow-in current IO is calculated by the following formula.
IO=
In case of increasing the muting attenuation, resistor 5.6k
is connected in series with the input, and then the
attenuation is made to be 55dB. Be careful that connecting an input capacitor causes pop noise to be increased at
the time of application of AC muting. Increased RO, CO make it possible to reduce the noise. In case of com-
pletely cutting off power IC, pin (5) is grounded, and then DC control is available and the attenuation is made to
be
∞.
VM – VBE
RO
Stereo
: 20
≤R≤100
Bridge No.1 : 20
≤R≤100
Bridge No. 2 : 0
≤R≤50
Pin Voltage (unit : V)
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Proper Cares in Using IC
Maximum ratings
If the IC is used in the vicinity of the maximum ratings, even a slight variation in conditions may cause the maximum
ratings to be exceeded, thereby leading to breakdown. Allow an ample margin of variation for supply voltage, etc. and
use the IC in the range where the maximum ratings are not exceeded.
Printed circuit board
When making the board, refer to the sample printed circuit pattern and be careful that no feedback loop is formed
between input and output.
Oscillation preventing capacitor
Normally, a polyester film capacitor is used for 0.1
F + 4.7. The capacitance value can be reduced to 0.047F depend-
ing on the stability of the board.
Others
Connect the radiator fin of the package to GND.
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| LA4445 | 5.5 W, 2 CHANNEL, AUDIO AMPLIFIER, PSFM12 |
| LA4446 | 5.5 W, 2 CHANNEL, AUDIO AMPLIFIER, SFM13 |
| LA4460N | 12 W, 1 CHANNEL, AUDIO AMPLIFIER, PSFM10 |
| LA4461N | 12 W, 1 CHANNEL, AUDIO AMPLIFIER, PSFM10 |
| LA4465 | 12 W, 1 CHANNEL, AUDIO AMPLIFIER, SFM10 |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LA4440-E | 功能描述:音頻放大器 RoHS:否 制造商:STMicroelectronics 產(chǎn)品:General Purpose Audio Amplifiers 輸出類(lèi)型:Digital 輸出功率: THD + 噪聲: 工作電源電壓:3.3 V 電源電流: 最大功率耗散: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel |
| LA4440J-K-E | 功能描述:音頻放大器 RoHS:否 制造商:STMicroelectronics 產(chǎn)品:General Purpose Audio Amplifiers 輸出類(lèi)型:Digital 輸出功率: THD + 噪聲: 工作電源電壓:3.3 V 電源電流: 最大功率耗散: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel |
| LA4445 | 制造商:SANYO 制造商全稱(chēng):Sanyo Semicon Device 功能描述:5.5W 2-Channel AF Power Amplifier |
| LA4445-E | 制造商:Sony Semiconductor Solutions Division 功能描述: |
| LA4446 | 制造商:SANYO 制造商全稱(chēng):Sanyo Semicon Device 功能描述:5.5W 2-Channel AF Power Amp |
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