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| 型號(hào)： | LA4636 |
| 元件分類： | 音頻／視頻放大 |
| 英文描述： | 11 W, 2 CHANNEL, AUDIO AMPLIFIER, SFM12 |
| 封裝： | SIP-12 |
| 文件頁數(shù)： | 3/3頁 |
| 文件大?。?/td> | 78K |
| 代理商： | LA4636 |
LA4636
PS No.6985-3/3
SANYO Semiconductor Co.,Ltd. assumes no responsibility for equipment failures that result from using
products at values that exceed, even momentarily, rated values (such as maximum ratings, operating condition
ranges, or other parameters) listed in products specifications of any and all SANYO Semiconductor Co.,Ltd.
products described or contained herein.
SANYO Semiconductor Co.,Ltd. strives to supply high-quality high-reliability products, however, any and all
semiconductor products fail or malfunction with some probability. It is possible that these probabilistic failures or
malfunction could give rise to accidents or events that could endanger human lives, trouble that could give rise
to smoke or fire, or accidents that could cause damage to other property. When designing equipment, adopt
safety measures so that these kinds of accidents or events cannot occur. Such measures include but are not
limited to protective circuits and error prevention circuits for safe design, redundant design, and structural
design.
Upon using the technical information or products described herein, neither warranty nor license shall be granted
with regard to intellectual property rights or any other rights of SANYO Semiconductor Co.,Ltd. or any third
party. SANYO Semiconductor Co.,Ltd. shall not be liable for any claim or suits with regard to a third party's
intellctual property rights which has resulted from the use of the technical information and products mentioned
above.
Information (including circuit diagrams and circuit parameters) herein is for example only; it is not guaranteed
for volume production.
Any and all information described or contained herein are subject to change without notice due to
product/technology improvement, etc. When designing equipment, refer to the "Delivery Specification" for the
SANYO Semiconductor Co.,Ltd. product that you intend to use.
In the event that any or all SANYO Semiconductor Co.,Ltd. products described or contained herein are
controlled under any of applicable local export control laws and regulations, such products may require the
export license from the authorities concerned in accordance with the above law.
No part of this publication may be reproduced or transmitted in any form or by any means, electronic or
mechanical, including photocopying and recording, or any information storage or retrieval system, or otherwise,
without the prior written consent of SANYO Semiconductor Co.,Ltd.
Signal Mute Function
Connecting a CR of the recommended value (10μF, 22kΩ) to pin 6 of the IC and applying +5V turns signal mute on.
This function mutes low-frequency popping noises.
The CR is for smoothing during attack and recovery. The 10μF capacitor also performs smoothing after the starting
time, so it is necessary even if the signal mute function is not used.
Pin 6 Equivalent Circuit Inside IC
22k
Ω
5V
2k
Ω
20k
Ω
10
μ
F
2k
Ω
6
Imute
Approximately 1.56V
If a 22k
Ω external resistor is used, the pin 6 inflow current (Imute)
will be approximately 160
μA when +5V is applied.
It is possible to change the external resistance value if the voltage
applied is changed or to match the capacity of the microprocessor,
but the popping noise level could rise if the pin 6 inflow current
increases too much. It is therefore important to check the inflow
current whenever the resistance value is changed.
Standby Function
Standby
Pin Voltage
VSTB
Pin 5 Equivalent Circuit Inside IC
ISTB=500μA or less
RSTB
15k
Ω
Approximately
1.4V
1.5k
Ω
30k
Ω
5
The IC’s pin 5 is the standby pin, and the amplifier turns on when
approximately 2V or more is applied to it.
If +5V is applied directly to pin 5 the inflow current of pin 5 is
approximately 240
μA.
ISTB=
5V
1.4V
15k
Ω
=240
μA
If the microprocessor is used, an external current limiting resistor
(RSTB) should be inserted if necessary (to reduce the inflow
current).
If a voltage other than that supplied by the microprocessor is
applied, the pin 5 inflow current should be limited to 500
μA or
less using the applied VSTB value by calculating RSTB using the
following equation and inserting a resistor if necessary.
RSTB=
Applied Voltage (VSTB) 1.4V
500
μA
15kΩ
This catalog provides information as of Nobember, 2008. Specifications and information herein are subject to
change without notice.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LA4645 | 制造商:Panasonic Industrial Company 功能描述:IC |
| LA4663 | 制造商:Panasonic Industrial Company 功能描述:IC |
| 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 |
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