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參數(shù)資料
| 型號： | LA4705 |
| 元件分類： | 音頻／視頻放大 |
| 英文描述： | 18 W, 2 CHANNEL, AUDIO AMPLIFIER, PSFM18 |
| 封裝： | SIP-18 |
| 文件頁數(shù)： | 1/8頁 |
| 文件大?。?/td> | 261K |
| 代理商： | LA4705 |
15 W 2-channel BTL AF Power Amplifier
for Car Stereos
Overview
The LA4705 is a BTL two-channel power IC for car audio and
radio-cassette players developed in pursuit of excellent sound
quality. Low-region frequency characteristics have been
improved through the use of a new NF capacitorless circuit,
and crosstalk which causes ‘‘muddy’’ sound has been reduced
by improving both circuit and pattern layout. As a result, the
LA4705 provides powerful bass and clear treble. In addition,
the LA4705 features on-chip protectors and standby switch.
Features
.
High power: supports total output of 25 W + 25 W
(VCC = 14.4 V, THD = 30%, RL =4 )
.
Less pop noise
.
Designed for excellent sound quality
(fL < 10 Hz, fH = 130 kHz)
.
Any on time settable by external capacitor
.
Standby switch circuit on chip (microprocessor supported)
.
Various protectors on chip
(output-to-ground short/output-to-VCC short/
load short/overvoltage/thermal shutdown circuit)
.
NF capacitorless
.
Supports RL =2
Package Dimensions
unit: mm
3109-SIP18H
[LA4705]
SANYO : SIP18H
Specifications
Maximum Ratings at Ta = 25°C
Parameter
Symbol
Conditions
Ratings
Unit
Maximum supply voltage
VCC max 1
No signal,t=60s
24
V
VCC max 2
With signal
18
V
Surge supply voltage
VCC surge
t
% 0.2 s, single giant pulse
50
V
Allowable power dissipation
Pd max
Arbitrarily large heat sink
37.5
W
Operating temperature
Topr
–35 to +85
°C
Storage temperature
Tstg
–40 to +150
°C
* Set VCC,RL in a range that does not exceed Pd max = 37.5 W
Ordering number: EN3848D
Monolithic Linear IC
LA4705
Any and all SANYO products described or contained herein do not have specifications that can handle
applications that require extremely high levels of reliability, such as life-support systems, aircraft’s
control systems, or other applications whose failure can be reasonably expected to result in serious
physical and/or material damage. Consult with your SANYO representative nearest you before using
any SANYO products described or contained herein in such applications.
SANYO 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 products described or contained
herein.
SANYO Electric Co.,Ltd. Semiconductor Bussiness Headquarters
TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110-8534 JAPAN
D3096HA(II)/12693TS/4152TS No.3848-1/8
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| LA4708 | 30 W, 2 CHANNEL, AUDIO AMPLIFIER, SFM18 |
| LA47202P | 29 W, 4 CHANNEL, AUDIO AMPLIFIER, ZFM25 |
| LA47202P | 29 W, 4 CHANNEL, AUDIO AMPLIFIER, ZFM25 |
| LA4725 | 30 W, 2 CHANNEL, AUDIO AMPLIFIER, ZFM14 |
| LA4725 | 30 W, 2 CHANNEL, AUDIO AMPLIFIER, ZFM14 |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LA4705N | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:15W 2-CHANNEL BTL AF POWER AMPLIFIER FOR CAR STEREOS(258.00 k) |
| LA4705NA | 制造商:Panasonic Industrial Company 功能描述:DISCD IC |
| LA4705NA-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 |
| LA4705NAL-E | 制造商:ON Semiconductor 功能描述:CARAUDIO AMPLIFIER BTL2CH - Ammo Pack |
| LA4708 | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:20 W 2-channel BTL AF Power Amplifier for Car Stereos |
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