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參數(shù)資料
| 型號： | LA4663 |
| 元件分類： | 音頻／視頻放大 |
| 英文描述： | 20 W, 2 CHANNEL, AUDIO AMPLIFIER, PZFM14 |
| 封裝： | SIP-14 |
| 文件頁數(shù)： | 8/10頁 |
| 文件大小： | 113K |
| 代理商： | LA4663 |
Other Notes
Standby function
Pin 5 in this IC is the standby pin, and applying a voltage of 2.0 V or
higher will activate this function. The pin 5 influx current for an
applied voltage of 5 V will be about 240 A.
ISTB =
5 V – 1.4 V
= 240 A
15 k
Insert an external current limiting resistor (RSTB) if it is necessary to
limit this influx current when using a microcontroller.
If this input voltage is applied by a circuit or device other than a
microcontroller, calculate the value for RSTB from the following
formula such that the pin 5 influx current due to the applied VSTB is
under 500 A.
RSTB =
Applied voltage (VSTB) – 1.4 V
– 15 k
500 A
No. 5905-7/10
LA4663
5
VSTB
(RSTB)
ISTB
About 1.4 V
15 k
A10632
C1
GND
STBY
MUTE
C4
R1
IN1
PRE-GND
IN2
C2
C3
14
1
C5
C7
R3
C6
R2
C9
R5
C8
R4
—OUT1
OUT1
—OUT2
OUT2
GND
VCC
Sample Printed Circuit Board Pattern (Copper surface)
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| LA4708 | 30 W, 2 CHANNEL, AUDIO AMPLIFIER, SFM18 |
| LA47202P | 29 W, 4 CHANNEL, AUDIO AMPLIFIER, ZFM25 |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LA4663-B-E | 制造商:ON Semiconductor 功能描述:AUDIO AMPLIFIER BTL 2CH - Ammo Pack |
| LA4663-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 |
| LA46B-DBKUG-7-PF | 制造商:LIGITEK 制造商全稱:LIGITEK electronics co., ltd. 功能描述:LED ARRAY |
| LA46B-EG-4-PF | 制造商:LIGITEK 制造商全稱:LIGITEK electronics co., ltd. 功能描述:LED ARRAY |
| LA46B-EG-9-PF | 制造商:LIGITEK 制造商全稱:LIGITEK electronics co., ltd. 功能描述:LED ARRAY |
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