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參數(shù)資料
| 型號(hào)： | LA4705N |
| 英文描述： | 15W 2-CHANNEL BTL AF POWER AMPLIFIER FOR CAR STEREOS(258.00 k) |
| 中文描述： | 安永的2聲道橋接自動(dòng)對(duì)焦功率放大器，汽車音響（258.00十一） |
| 文件頁(yè)數(shù)： | 1/8頁(yè) |
| 文件大小： | 258K |
| 代理商： | LA4705N |
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
(V
CC
= 14.4 V, THD = 30%, R
L
= 4
)
.
Less pop noise
.
Designed for excellent sound quality
(f
L
< 10 Hz, f
H
= 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-V
CC
short/
load short/overvoltage/thermal shutdown circuit)
.
NF capacitorless
.
Supports R
L
= 2
Package Dimensions
unit: mm
3109-SIP18H
[LA4705]
SANYO : SIP18H
Specifications
Maximum Ratings
at Ta = 25°C
Parameter
Symbol
V
CC
max 1
V
CC
max 2
V
CC
surge
Pd max
Topr
Tstg
Conditions
Ratings
Unit
V
V
V
W
°C
°C
Maximum supply voltage
No signal, t = 60 s
With signal
t
%
0.2 s, single giant pulse
Arbitrarily large heat sink
24
18
50
Surge supply voltage
Allowable power dissipation
Operating temperature
Storage temperature
37.5
–35 to +85
–40 to +150
* Set V
CC
, R
L
in a range that does not exceed Pd max = 37.5 W
Ordering number: EN3848D
Monolithic Linear IC
LA4705
SANYO Electric Co.,Ltd. Semiconductor Bussiness Headquarters
TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110 JAPAN
D3096HA(II)/12693TS/4152TS No.3848-1/8
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| 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 |
| LA4708N | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:Monolithic Linear IC For Car Stereos 20W 2-channel BTL AF Power Amplifier |
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