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LM4870MX PDF预览

LM4870MX

更新时间: 2024-02-28 17:08:55
品牌 Logo 应用领域
美国国家半导体 - NSC 放大器功率放大器
页数 文件大小 规格书
8页 263K
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LM4870MX 数据手册

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External Components Description (Figure 1)  
Components  
Functional Description  
Inverting input resistance which sets the closed-loop gain in conjunction with Rf. This resistor also  
1.  
Ri  
=
forms a high pass filter with Ci at fC 1/(2π Ri Ci).  
2.  
Ci  
Input coupling capacitor which blocks DC voltage at the amplifier’s input terminals. Also creates a  
=
highpass filter with Ri at fC 1/(2π Ri Ci).  
3.  
4.  
Rf  
Feedback resistance which sets closed-loop gain in conjunction with Ri.  
CS  
Supply bypass capacitor which provides power supply filtering. Refer to the Application Information  
section for proper placement and selection of supply bypass capacitor.  
5.  
CB  
Bypass pin capacitor which provides half supply filtering. Refer to Application Information section for  
proper placement and selection of bypass capacitor.  
Typical Performance Characteristics  
THD+N vs Frequency  
THD+N vs Frequency  
THD+N vs Frequency  
DS100094-9  
DS100094-10  
DS100094-11  
THD+N vs Output Power  
THD+N vs Output Power  
THD+N vs Output Power  
DS100094-12  
DS100094-13  
DS100094-14  
Supply Current vs  
Supply Voltage  
LM4870 Noise Floor  
vs Frequency  
Power Derating Curve  
DS100094-18  
DS100094-17  
DS100094-16  
3
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