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LME49723MA PDF预览

LME49723MA

更新时间: 2024-11-09 03:51:43
品牌 Logo 应用领域
美国国家半导体 - NSC 运算放大器
页数 文件大小 规格书
24页 637K
描述
Dual High Fidelity Audio Operational Amplifier

LME49723MA 技术参数

是否Rohs认证: 不符合生命周期:Transferred
包装说明:SOIC-8Reach Compliance Code:not_compliant
ECCN代码:EAR99HTS代码:8542.33.00.01
风险等级:5.51标称带宽:20 kHz
商用集成电路类型:AUDIO AMPLIFIERJESD-30 代码:R-PDSO-G8
JESD-609代码:e0长度:4.9 mm
湿度敏感等级:1信道数量:2
功能数量:1端子数量:8
最高工作温度:85 °C最低工作温度:-40 °C
封装主体材料:PLASTIC/EPOXY封装代码:SOP
封装形状:RECTANGULAR封装形式:SMALL OUTLINE
认证状态:Not Qualified座面最大高度:1.75 mm
最大供电电压 (Vsup):17 V最小供电电压 (Vsup):2.5 V
表面贴装:YES温度等级:INDUSTRIAL
端子面层:Tin/Lead (Sn85Pb15)端子形式:GULL WING
端子节距:1.27 mm端子位置:DUAL
宽度:3.9 mmBase Number Matches:1

LME49723MA 数据手册

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January 7, 2008  
LME49723  
Dual High Fidelity Audio Operational Amplifier  
RL = 600Ω  
0.0002% (typ)  
3.6nV/Hz (typ)  
±8V/μs (typ)  
17MHz (typ)  
105dB (typ)  
General Description  
The LME49723 is part of the ultra-low distortion, low noise,  
■ꢀInput Noise Density  
■ꢀSlew Rate  
high slew rate operational amplifier series optimized and fully  
specified for high performance, high fidelity applications.  
Combining advanced leading-edge process technology with  
state-of-the-art circuit design, the LME49723 audio opera-  
tional amplifiers deliver superior audio signal amplification for  
■ꢀGain Bandwidth Product  
■ꢀOpen Loop Gain (RL = 600Ω)  
outstanding audio performance. The LME49723 combines  
200nA (typ)  
■ꢀInput Bias Current  
■ꢀInput Offset Voltage  
extremely low voltage noise density (3.6nV/Hz) with van-  
0.3mV (typ)  
ishingly low THD+N (0.0002%) to easily satisfy the most  
demanding audio applications. To ensure that the most chal-  
lenging loads are driven without compromise, the LME49723  
has a high slew rate of ±20V/μs and an output current capa-  
bility of ±26mA. Further, dynamic range is maximized by an  
output stage that drives 2kloads to within 1V of either power  
supply voltage and to within 1.4V when driving 600loads.  
The LME49723's outstanding CMRR (100dB), PSRR  
(100dB), and VOS (0.3mV) give the amplifier excellent oper-  
ational amplifier DC performance.  
Features  
Easily drives 600loads  
Optimized for superior audio signal fidelity  
Output short circuit protection  
PSRR and CMRR exceed 100dB (typ)  
SOIC package  
The LME49723 has a wide supply range of ±2.5V to ±17V.  
Over this supply range the LME49723’s input circuitry main-  
tains excellent common-mode and power supply rejection, as  
well as maintaining its low input bias current. The LME49723  
is unity gain stable.  
Applications  
High quality audio amplification  
High fidelity preamplifiers  
High fidelity multimedia  
The LME49723 is available in an 8–lead narrow body SOIC.  
Demonstration boards are available for each package.  
Phono pre amps  
High performance professional audio  
High fidelity equalization and crossover networks  
Key Specifications  
High performance line drivers  
■ꢀPower Supply Voltage Range  
±2.5V to ±17V  
0.0002% (typ)  
High performance line receivers  
High fidelity active filters  
■ꢀ  
THD+N (AV = 1, VOUT = 3VRMS, fIN = 1kHz)  
RL = 2kΩ  
Typical Application  
300362k5  
Passively Equalized RIAA Phono Preamplifier  
© 2008 National Semiconductor Corporation  
300362  
www.national.com  

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