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LM4889MMX PDF预览

LM4889MMX

更新时间: 2024-02-22 05:17:05
品牌 Logo 应用领域
德州仪器 - TI 放大器功率放大器
页数 文件大小 规格书
27页 1598K
描述
1W, 1 CHANNEL, AUDIO AMPLIFIER, PDSO8, MSOP-8

LM4889MMX 技术参数

是否无铅: 不含铅是否Rohs认证: 符合
生命周期:Active包装说明:TSSOP, TSSOP8,.19
Reach Compliance Code:compliantECCN代码:EAR99
HTS代码:8542.33.00.01风险等级:0.85
商用集成电路类型:AUDIO AMPLIFIER增益:36 dB
JESD-30 代码:R-PDSO-G8JESD-609代码:e3
长度:3 mm湿度敏感等级:1
信道数量:1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标称输出功率:1.2 W
封装主体材料:PLASTIC/EPOXY封装代码:TSSOP
封装等效代码:TSSOP8,.19封装形状:RECTANGULAR
封装形式:SMALL OUTLINE, THIN PROFILE, SHRINK PITCH峰值回流温度(摄氏度):260
电源:2.6/5 V认证状态:Not Qualified
座面最大高度:1.07 mm子类别:Audio/Video Amplifiers
最大压摆率:8 mA最大供电电压 (Vsup):5.5 V
最小供电电压 (Vsup):2.2 V表面贴装:YES
温度等级:INDUSTRIAL端子面层:Matte Tin (Sn)
端子形式:GULL WING端子节距:0.65 mm
端子位置:DUAL处于峰值回流温度下的最长时间:NOT SPECIFIED
宽度:3 mmBase Number Matches:1

LM4889MMX 数据手册

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LM4889  
www.ti.com  
SNAS157H APRIL 2002REVISED MAY 2013  
Electrical Characteristics VDD = 2.6V(1)(2) (continued)  
The following specifications apply for VDD = 2.6V, AV = 2, and 8load unless otherwise specified. Limits apply for TA = 25°C.  
LM4889  
Limit(4)(5)  
Units  
(Limits)  
Symbol  
Parameter  
Conditions  
Typical(3)  
Vripple = 200mV sine p-p  
fripple = 217Hz  
fripple = 1kHz  
PSRR  
Power Supply Rejection Ratio  
44  
44  
dB  
dB  
External Components Description  
(Figure 1)  
Components  
Functional Description  
1.  
Ri  
Inverting input resistance which sets the closed-loop gain in conjunction with Rf. This resistor also forms a high pass  
filter with Ci at fC= 1/(2π RiCi).  
2.  
Ci  
Input coupling capacitor which blocks the DC voltage at the amplifiers input terminals. Also creates a highpass filter with  
Ri at fc = 1/(2π RiCi). Refer to the section, PROPER SELECTION OF EXTERNAL COMPONENTS, for an explanation  
of how to determine the value of Ci.  
3.  
4.  
Rf  
Feedback resistance which sets the closed-loop gain in conjunction with Ri. AVD = 2*(Rf/Ri).  
CS  
Supply bypass capacitor which provides power supply filtering. Refer to the POWER SUPPLY BYPASSING section for  
information concerning proper placement and selection of the supply bypass capacitor.  
5.  
CB  
Bypass pin capacitor which provides half-supply filtering. Refer to the section, PROPER SELECTION OF EXTERNAL  
COMPONENTS, for information concerning proper placement and selection of CB.  
Copyright © 2002–2013, Texas Instruments Incorporated  
Submit Documentation Feedback  
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Product Folder Links: LM4889  
 
 

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