MAX4247

 

器件号	Replacement	Explanation

说明

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The MAX4245/MAX4246/MAX4247 family of low-cost op amps offer rail-to-rail inputs and outputs, draw only 320µA of quiescent current, and operate from a single +2.5V to +5.5V supply. For additional power conservation, the MAX4245/MAX4247 offer a low-power shutdown mode that reduces supply current to 50nA, and puts the amplifiers' outputs in a high-impedance state. These devices are unity-gain stable with a 1MHz gain-bandwidth product driving capacitive loads up to 470pF.

The MAX4245/MAX4246/MAX4247 family is specified from -40°C to +125°C, making them suitable for use in a variety of harsh environments. The MAX4245 single amplifier is available in ultra-small 6-pin SC70 and space-saving 6-pin SOT23 packages. The MAX4246 dual amplifier is available in 8-pin, SO, SOT23 and µMAX® packages. The MAX4247 dual amplifier comes in a tiny 10-pin µMAX package.

MAX4245、MAX4246、MAX4247：引脚配置 放大+

关键特性

• Rail-to-Rail Input and Output Voltage Swing
• 50nA (max) Shutdown Mode (MAX4245/MAX4247)
• 320µA (typ) Quiescent Current Per Amplifier
• Single +2.5V to +5.5V Supply Voltage Range
• 110dB Open-Loop Gain with 2kΩ Load
• 0.01% THD with 100kΩ Load
• Unity-Gain Stable up to C_LOAD = 470pF
• No Phase Inversion for Overdriven Inputs
• Available in Space-Saving Packages
  • 6-Pin SC70 or 6-Pin SOT23 (MAX4245)
  • 8-Pin SOT23/SO or 8-Pin µMAX (MAX4246)
  • 10-Pin µMAX (MAX4247)

应用

• 汽车传感器
• 基站/无线基础架构
• 计算机：台式机、工作站和服务器
• 计算机：主板
• 计算机：笔记本电脑
• 电子点火模块
• GPS方案
• 红外接收器
• 仪表与终端
• MP3坞站：中级
• 便携式通信
• 可编程逻辑控制器(PLC)
• 传感器-信号检测
• 机顶盒
• 单电源供电过零检测器