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參數資料
| 型號： | LA4725 |
| 廠商： | SANYO SEMICONDUCTOR CO LTD |
| 元件分類： | 音頻／視頻放大 |
| 英文描述： | 30 W, 2 CHANNEL, AUDIO AMPLIFIER, ZFM14 |
| 封裝： | SIP-14 |
| 文件頁數： | 1/8頁 |
| 文件大小： | 124K |
| 代理商： | LA4725 |
Specifications of any and all SANYO Semiconductor Co.,Ltd. products described or contained herein stipulate
the performance, characteristics, and functions of the described products in the independent state, and are not
guarantees of the performance, characteristics, and functions of the described products as mounted in the
customer
's products or equipment. To verify symptoms and states that cannot be evaluated in an independent
device, the customer should always evaluate and test devices mounted in the customer
'sproductsor
equipment.
Any and all SANYO Semiconductor Co.,Ltd. products described or contained herein are, with regard to
"standard application", intended for the use as general electronics equipment (home appliances, AV equipment,
communication device, office equipment, industrial equipment etc.). The products mentioned herein shall not be
intended for use for any "special application" (medical equipment whose purpose is to sustain life, aerospace
instrument, nuclear control device, burning appliances, transportation machine, traffic signal system, safety
equipment etc.) that shall require extremely high level of reliability and can directly threaten human lives in case
of failure or malfunction of the product or may cause harm to human bodies, nor shall they grant any guarantee
thereof. If you should intend to use our products for applications outside the standard applications of our
customer who is considering such use and/or outside the scope of our intended standard applications, please
consult with us prior to the intended use. If there is no consultation or inquiry before the intended use, our
customer shall be solely responsible for the use.
40109 MS JK 20090313-S00003 No.5715-1/8
LA4725
Overview
The LA4725 is a 2-channel BTL audio power amplifier IC for Car audio. It was designed for the best possible audio quality
and features an extended low band roll-off frequency provided by a newly-developed NF circuit that does not require an
external capacitor. Furthermore, crosstalk, which can cause muddiness in the audio output, has been significantly reduced
by both circuit and wiring pattern improvements. Thus this amplifier can provide powerful lows and clear highs.
Features
Total output (EIAJ power): 30W+30W (at VCC = 14.4V, RL = 4, THD = 30%)
High-fidelity design (fL < 10Hz, fH = 130kHz)
Extremely low impulse noise levels
An arbitrary amplifier startup time can be set up with external components
built-in standby switch circuit
Full complement of built-in protection circuits (includes circuits that protect against shorting to VCC, shorting to ground,
load shorting, over-voltages and excessive temperatures)
Specifications
Maximum Ratings at Ta = 25
°C
Parameter
Symbol
Conditions
Ratings
Unit
Maximum supply voltage
VCC max
No signal
18
V
Surge supply voltage
VCC surge
t
≤ 0.2s, Giant pulse one-shot
50
V
Maximum output current
IO peak
Per channel
3.0
A
Allowable power dissipation
Pd max
With a infinite heat sink
32
W
Operating temperature
Topr
-35 to +85
°C
Storage temperature
Tstg
-40 to +150
°C
Ordering number : EN5715A
Monolithic Linear IC
2-channel 30W BTL Audio Power
Amplifier
相關PDF資料 |
PDF描述 |
|---|---|
| LA4741 | 28 W, 4 CHANNEL, AUDIO AMPLIFIER, PZFM23 |
| LA4742 | 28 W, 4 CHANNEL, AUDIO AMPLIFIER, PZFM25 |
| LA4743A | 28 W, 4 CHANNEL, AUDIO AMPLIFIER, PZFM25 |
| LA4743B | 28 W, 4 CHANNEL, AUDIO AMPLIFIER, PZFM25 |
| LA47501 | 29 W, 4 CHANNEL, AUDIO AMPLIFIER, PZFM25 |
相關代理商/技術參數 |
參數描述 |
|---|---|
| LA4725_09 | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:2-channel 30W BTL Audio Power Amplifier |
| LA4725-E | 功能描述:音頻放大器 RoHS:否 制造商:STMicroelectronics 產品: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: 安裝風格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel |
| LA4728 | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:2-Channel BTL Power Amplifier 35 W+35 W with Standby Switch for Car Stereos |
| LA4735 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述: |
| LA473M | 制造商:Cornell Dubilier Electronics 功能描述: 制造商:Mallory Sonalert Products Inc 功能描述: |
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