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LA4708

更新时间： 2024-11-30 22:47:19
品牌 Logo 应用领域
三洋 - SANYO 放大器功率放大器汽车音响
页数 文件大小 规格书
9页 205K
描述
20 W 2-channel BTL AF Power Amplifier for Car Stereos

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中文翻译

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LA4708 技术参数

生命周期：Obsolete零件包装代码：SFM
包装说明：, SIP18,.09,78针数：18
Reach Compliance Code：unknownECCN代码：EAR99
HTS代码：8542.33.00.01风险等级：5.76
标称带宽：20 kHz商用集成电路类型：AUDIO AMPLIFIER
增益：40 dB谐波失真：10%
JESD-30 代码：R-XSFM-T18信道数量：2
功能数量：1端子数量：18
最高工作温度：85 °C最低工作温度：-35 °C
标称输出功率：30 W封装主体材料：UNSPECIFIED
封装等效代码：SIP18,.09,78封装形状：RECTANGULAR
封装形式：FLANGE MOUNT电源：13.2 V
认证状态：Not Qualified子类别：Audio/Video Amplifiers
最大压摆率：250 mA最大供电电压 (Vsup)：16 V
最小供电电压 (Vsup)：9 V表面贴装：NO
技术：BIPOLAR温度等级：OTHER
端子形式：THROUGH-HOLE端子节距：1.98 mm
端子位置：SINGLEBase Number Matches：1

LA4708 数据手册

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Ordering number: EN5245A  
Monolithic Linear IC  
LA4708  
20 W 2-channel BTL AF Power Amplifier  
for Car Stereos  
Overview  
Package Dimensions  
unit: mm  
The LA4708 is a BTL two-channel power IC for car audio  
developed in pursuit of excellent sound quality. Low-region  
3109-SIP18H  
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 LA4708 provides powerful  
bass and clear treble. In addition, the LA4708 features on-chip  
protectors and standby switch. The LA4708 is also  
[LA4708]  
pin-compatible with the LA4705NA (car stereo-use 17 W  
two-channel power IC), and can be substituted for the  
LA4705NA for higher power. (When the board is shared, pins  
1 and 9 must be left open.)  
Features  
.
.
.
High power: supports total output of 30 W + 30 W  
(VCC = 13.2 V, THD = 30%, RL = 4 Ω)  
Supports RL = 2 Ω (PO = 30 W when VCC = 13.2 V,  
THD = 10%)  
Designed for excellent sound quality  
(fL < 10 Hz, fH = 130 kHz)  
NF capacitorless  
Any on time settable by external capacitor  
Less pop noise  
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)  
SANYO : SIP18H  
.
.
.
.
.
Specifications  
Maximum Ratings at Ta = 25°C  
Parameter  
Symbol  
Conditions  
Ratings  
Unit  
Maximum supply voltage  
V
V
max 1  
No signal, t = 60 s  
24  
16  
V
V
CC  
max 2  
surge  
peak  
CC  
Surge supply voltage  
V
t % 0.2 s, single giant pulse  
Per channel  
50  
V
CC  
Maximum output current  
Allowable power dissipation  
Operating temperature  
Storage temperature  
I
4.5  
A
O
Pd max  
Topr  
Arbitrarily large heat sink  
37.5  
W
°C  
°C  
–35 to +85  
Tstg  
–40 to +150  
* Set VCC, RL in a range that does not exceed Pd max = 37.5 W  
SANYO Electric Co.,Ltd. Semiconductor Bussiness Headquarters  
TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110 JAPAN  
93096HA(II)/13096HA(II) No.5245-1/9  
1234567...9

中文翻译

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LA4708 替代型号

型号 品牌 替代类型 描述 数据表
LA4725 SANYO

功能相似

 2-Channel BTL Power Amplifier 30 W+30 W with Standby Switch for Car Stereos
LA4705 SANYO

功能相似

 15 W 2-channel BTL AF Power Amplifier for Car Stereos
LA4700N SANYO

功能相似

 2-Channel 12W AF Power Amplifier for Car Stereos

与LA4708相关器件

型号 品牌 获取价格 描述 数据表
LA4708N SANYO

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 		Monolithic Linear IC For Car Stereos 20W 2-channel BTL AF Power Amplifier
LA47202P SANYO

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 		Monolithic Linear IC Four-Channel BTL Power Amplifier for Car Audio Systems
LA4725 SANYO

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 		2-Channel BTL Power Amplifier 30 W+30 W with Standby Switch for Car Stereos
LA4725_09 SANYO

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 		2-channel 30W BTL Audio Power Amplifier
LA4728 SANYO

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 		2-Channel BTL Power Amplifier 35 W+35 W with Standby Switch for Car Stereos
LA4735 ETC

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LA4741 SANYO

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 		42W 4-Channel BTL Power Amplifier for Car Stereos
LA4742 SANYO

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 		45 W Four-Channel Bridge Circuit Power Amplifier
LA4743 SANYO

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 		45 W Four-Channel (Bridge Circuit) Power Amplifier
LA4743A SANYO

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 		45 W Four-Channel (Bridge Circuit) Power Amplifier

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