MAX4243 - 单/双/四路、+1.8V/10µA、SOT23封装、超摆幅运算放大器

MAX4243是Maxim美信半导体公司的一款放大器产品，MAX4243是单/双/四路、+1.8V/10µA、SOT23封装、超摆幅运算放大器，本站介绍了MAX4243的封装应用图解、特点和优点、功能等，并给出了与MAX4243相关的Maxim元器件型号供参考。

MAX4243 - 单/双/四路、+1.8V/10µA、SOT23封装、超摆幅运算放大器 - 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 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.

关键特性

以下关键特性由Maxim美信半导体提供：

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

热门应用

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

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