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LM1875音频功率放大器PDF文档

更新时间：2019-08-11 20:26:02 大小：149K 上传用户：wltldq查看TA发布的资源 标签：lm1875音频功率放大器 下载积分：2分 评价赚积分 （如何评价?） 打赏 收藏 评论(0) 举报

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LM1875音频功率放大器PDF文档，IC技术文档。

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C98771_LM1875L-TA5-T管装_2017-03-25_(1).PDF 149K

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UNISONIC TECHNOLOGIES CO., LTD  
LM1875  
LINEAR INTEGRATED CIRCUIT  
20W AUDIO POWER AMPLIFIER  
ꢀ
DESCRIPTION  
1
The UTC LM1875 is a monolithic power amplifier offering very  
low distortion and high quality performance for consumer audio  
TO-220-5  
applications. It delivers 20W into a 4Ω or 8Ω load on ±25V supplies.  
Using an 8Ω load and +30V supplies, over 30W of power may be  
delivered. The amplifier is designed to operate with a minimum of  
external components. Device overload protection consists of both  
internal current limit and thermal shutdown.  
1
The UTC LM1875 design utilizes advanced circuit techniques  
and processing to achieve extremely low distortion levels even at  
high output power levels. Other outstanding features include high  
gain, fast slew rate and a wide power bandwidth, large output  
voltage swing, high current capability, and a very wide supply range.  
The amplifier is internally compensated and stable for gains of 10 or  
greater.  
TO-220B  
*Pb-free plating product number: LM1875L  
ꢀ
FEATURES  
*Up to 30W output power  
*Avo typically 90 dB  
*Low distortion: 0.015%,1kHz,20W  
*Wide power bandwidth: 70kHz  
*Protection for AC and DC short circuits to ground  
*Thermal protection with parole circuit  
*High current capability: 4A  
*Wide supply range 16V-60V  
*Internal output protection diodes  
*94 dB ripple rejection  
ꢀ
APPLICATIONS  
*High performance audio systems  
*Bridge amplifiers  
*Stereo phonographs  
*Servo amplifiers  
*Instrument systems  
ꢀ
ORDERING INFORMATION  
Order Number  
Pin Assignment  
Packing  
Package  
Normal  
Lead Free Plating  
1
2
3
4
5
LM1875-TA5-T  
LM1875-TB5-T  
LM1875L-TA5-T  
LM1875L-TB5-T  
TO-220-5  
TO-220B  
+IN -IN -VEE OUT VCC  
+IN -IN -VEE OUT VCC  
Tube  
Tube  
LM 1875L-TA5-T  
(1)Packing Type  
(1) T: Tube  
(2)Package Type  
(3)Lead Plating  
(2) TA5: TO-220-5, TB5: TO-220B  
(3) L: Lead Free Plating, Blank: Pb/Sn  
www.unisonic.com.tw  
Copyright © 2005 Unisonic Technologies Co., Ltd  
1 of 7  
QW-R107-019,D  

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