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单/双/四路、+1.8V/10µA、SOT23封装、超摆幅运算放大器

产品详情

主要特征

Parametric specs for Operational Amplifiers
Unity Gain BW (MHz) (typ) 0.09
Input IBIAS (nA) (max) 6
VOS (µV) (max) 1400
VSUPPLY (Total) (V) (min) 1.8
VSUPPLY (Total) (V) (max) 5.5
# Amplifiers 1
Rail to Rail Input/Output
Package/Pins SOT23/5
Budgetary
Price (See Notes)
1.72
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参量

Parametric specs for Operational Amplifiers
Unity Gain BW (MHz) (typ) 0.09
Input IBIAS (nA) (max) 6
VOS (µV) (max) 1400
VSUPPLY (Total) (V) (min) 1.8
VSUPPLY (Total) (V) (max) 5.5
# Amplifiers 1
Rail to Rail Input/Output
Package/Pins SOT23/5
Budgetary
Price (See Notes)
1.72

主要特征

  • Ultra-Low-Voltage Operation:
    • Guaranteed Down to +1.8V
    • Typical Operation to +1.5V
  • Ultra-Low Power Consumption:
    • 10µA Supply Current per Amplifier
    • 1µA Shutdown Mode (MAX4241/MAX4243)
    • Up to 200,000 Hours Operation from Two AA Alkaline Cells
  • Beyond-the-Rails Input Common-Mode Range
  • Outputs Swing Rail-to-Rail
  • No Phase Reversal for Overdriven Inputs
  • 200µV Input Offset Voltage
  • Unity-Gain Stable for Capacitive Loads up to 200pF
  • 90kHz Gain-Bandwidth Product
  • Available in Space-Saving 5-Pin SOT23 and 8-Pin µMAX® Packages

应用/用途

  • 蜂窝手机
  • 蜂窝电话
  • 数码相机(DIGICAM)
  • 数字测量
  • GPS方案
  • MP3和便携式媒体播放器
  • 笔记本电脑
  • PDA
  • 便携/电池供电的电子设备
  • 传感器放大器
  • 应变仪
  • 两节电池供电系统

描述

The MAX4240–MAX4244 family of micropower op amps operate from a single +1.8V to +5.5V supply or dual ±0.9V to ±2.75V supplies and have Beyond-the-Rails™ inputs and rail-to-rail output capabilities. These amplifiers provide a 90kHz gain-bandwidth product while using only 10µA of supply current per amplifier. The MAX4241/MAX4243 have a low-power shutdown mode that reduces supply current to less than 1µA and forces the output into a high-impedance state. Although the minimum operating voltage is specified at +1.8V, these devices typically operate down to +1.5V. The combination of ultra-low-voltage operation, Beyond-the-Rails inputs, rail-to-rail outputs, and ultra-low power consumption makes these devices ideal for any portable/two-cell battery-powered system.

These amplifiers have an input common-mode range that extends 200mV beyond each rail, and their outputs typically swing to within 9mV of the rails with a 100kΩ load. Beyond-the-Rails input and rail-to-rail output characteristics allow the full power-supply voltage to be used for signal range. The combination of low input offset voltage, low input bias current, and high open-loop gain makes them suitable for low-power/low-voltage precision applications.

The MAX4240 is offered in a space-saving 5-pin SOT23 package. All specifications are guaranteed over the -40°C to +85°C extended temperature range.

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MAX4240、MAX4241、MAX4242、MAX4243、MAX4244:引脚配置 MAX4240、MAX4241、MAX4242、MAX4243、MAX4244:引脚配置 Zoom icon

Technical Docs

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Maxim的专业工程师团队也会为您解答相应的技术问题,请访问Maxim的 支持中心