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Maxim产品 - MAX4257介绍

MAX4257 - UCSP封装、单电源、低噪声、低失真、满摆幅运算放大器

MAX4257是Maxim美信半导体公司的一款放大器产品，MAX4257是UCSP封装、单电源、低噪声、低失真、满摆幅运算放大器，本站介绍了MAX4257的封装应用图解、特点和优点、功能等，并给出了与MAX4257相关的Maxim元器件型号供参考。

MAX4257 - UCSP封装、单电源、低噪声、低失真、满摆幅运算放大器 - 放大器 - Maxim美信半导体高性能芯片品质 - 美信半导体

产品概述

The MAX4249–MAX4257 low-noise, low-distortion operational amplifiers offer rail-to-rail outputs and single-supply operation down to 2.4V. They draw 400µA of quiescent supply current per amplifier while featuring ultra-low distortion (0.0002% THD), as well as low input voltage-noise density (7.9nV/) and low input current-noise density (0.5fA/). These features make the devices an ideal choice for portable/battery-powered applications that require low distortion and/or low noise.

For additional power conservation, the MAX4249/MAX4251/MAX4253/MAX4256 offer a low-power shutdown mode that reduces supply current to 0.5µA and puts the amplifiers' outputs into a high-impedance state. The MAX4249–MAX4257's outputs swing rail-to-rail and their input common-mode voltage range includes ground. The MAX4250–MAX4254 are unity-gain stable with a gain-bandwidth product of 3MHz. The MAX4249/MAX4255/MAX4256/MAX4257 are internally compensated for gains of 10V/V or greater with a gain-bandwidth product of 22MHz. The single MAX4250/MAX4255 are available in space-saving 5-pin SOT23 packages. The MAX4252 is available in an 8-bump chip-scale package (UCSP™) and the MAX4253 is available in a 10-bump UCSP. The MAX4250AAUK comes in a 5-pin SOT23 package and is specified for operation over the automotive (-40°C to +125°C) temperature range.

关键特性
  • 以下关键特性由Maxim美信半导体提供：
  • Available in Space-Saving UCSP, SOT23, and µMAX® Packages
  • Low Distortion: 0.0002% THD (1kΩ load)
  • 400µA Quiescent Supply Current per Amplifier
  • Single-Supply Operation from 2.4V to 5.5V
  • Input Common-Mode Voltage Range Includes Ground
  • Outputs Swing Within 8mV of Rails with a 10kΩ Load
  • 3MHz GBW Product, Unity-Gain Stable (MAX4250-MAX4254)
  • 22MHz GBW Product, Stable with AV ≥ 10V/V (MAX4249/MAX4255/MAX4256/MAX4257)
  • Excellent DC Characteristics
  • VOS = 70µV
  • IBIAS = 1pA
  • Large-Signal Voltage Gain = 116dB
  • Low-Power Shutdown Mode
  • Reduces Supply Current to 0.5µA
  • Places Outputs in a High-Impedance State
  • 400pF Capacitive-Load Handling Capability
    • 热门应用
  • ADC缓冲器
  • 自动测试设备(ATE)
  • 心电监护仪
  • 数字测量/张力计量
  • 显示器：工业、前面板和仪表
  • 工业：过程测量与控制
  • 医疗仪表
  • PA控制
  • 面板表
  • 便携式电池供电设备
  • 电表
  • 可编程逻辑控制器(PLC)
  • 无线通信设备
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