MAX4282

SOT23封装、满摆幅、固定增益、放大/开环运算放大器


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说明

The MAX4174/MAX4175/MAX4274/MAX4275 GainAmp family combines a low-cost rail-to-rail op amp with precision internal gain-setting resistors and VCC/2 biasing. Factory-trimmed on-chip resistors decrease design size, cost, and layout, and provide 0.1% gain accuracy. Fixed inverting gains from -0.25V/V to -100V/V or noninverting gains from +1.25V/V to +101V/V are available. These devices operate from a single +2.5V to +5.5V supply and consume only 300µA. GainAmp amplifiers are optimally compensated for each gain version, achieving exceptional GBW products up to 23MHz (AV = +25V/V to +101V/V). High-voltage fault protection withstands µ17V at either input without excessive current draw.

Three versions are available in this amplifier family: single/dual/quad open-loop, unity-gain stable (MAX4281/MAX4282/MAX4284); single/dual fixed gain (MAX4174/MAX4274); and single/dual fixed gain plus internal VCC/2 bias at the noninverting input (MAX4175/MAX4275), which simplifies input biasing in single-supply designs. The input common-mode voltage range of the open-loop amplifiers extends from 150mV below the negative supply to within 1.2V of the positive supply. The outputs can swing rail-to-rail and drive a 1kΩ load while maintaining excellent DC accuracy. The amplifier is stable for capacitive loads up to 470pF.
MAX4174、MAX4175、MAX4274、MAX4275、MAX4281、MAX4282、MAX4284:典型工作电路 MAX4174、MAX4175、MAX4274、MAX4275、MAX4281、MAX4282、MAX4284:典型工作电路 放大+

关键特性

  • GainAmp Family Provides Internal Precision Gain-Setting Resistors in SOT23 (MAX4174/5)
  • 0.1% Gain Accuracy (RF/RG) (MAX4174/5, MAX4274/5)
  • 54 Standard Gains Available (MAX4174/5, MAX4274/5)
  • Open-Loop Unity-Gain-Stable Op Amps (MAX4281/2/4)
  • Rail-to-Rail Outputs Drive 1kΩ Load
  • Internal VCC/2 Biasing (MAX4175/MAX4275)
  • +2.5V to +5.5V Single Supply
  • 300µA Supply Current
  • Up to 23MHz GBW Product
  • Fault-Protected Inputs Withstand ±17V
  • Stable with Capacitive Loads Up to 470pF with No Isolation Resistor

应用

  • 蜂窝手机
  • 数码相机(DIGICAM)
  • 血糖表
  • GPS方案
  • 红外接收器,用于远端控制
  • 仪表、终端与条码读卡器
  • IP摄像机
  • 遥控钥匙
  • 低端电流检测放大器
  • MP3和便携式媒体播放器
  • 光电二极管前置放大器
  • 便携式仪表
  • 智能读卡器
Part NumberAmps.Rail to RailVSUPPLY (Total)
(V)
VSUPPLY (Total)
(V)
ICC per Amp.
(µA)
VOS
(µV)
CMRR @DC
(dB)
PSRR @DC
(dB)
Input IBIAS
(nA)
Unity Gain BW
(MHz)
Slew Rate
(V/µs)
en
(nV/√Hz)
Package/PinsBudgetary
Price
minmaxtypmaxtyptypmaxtyptyp<See Notes
MAX4281 1Output Only2.55.5300200090901020.790
SOIC (N)/8
SOT23/5
$1.19 @1k
MAX4282 2
SOIC (N)/8
UMAX/8
$1.69 @500
查看所有Operational Amplifiers (174)
Pricing Notes:
价格仅供参考,用于同类产品的比较。所提供报价为美元,需要依汇率折合成人民币。该价格将因当地关税、税率和汇率而异。有关特定订购量和指定版本的报价和供货问题,请参考:价格与供货网站或与指定代理商联系。

技术资料

应用笔记 700 Fixed-Gain Op Amps Simplify Filter Design

质量和环境数据

申请可靠性报告: MAX4282 
无铅封装的锡(Sn)晶须报告

CAD Symbols and Footprints

  • MAX4282ESA+
  • MAX4282EUA+
  • 型号   生产流程   工艺   样本量   不合格   FIT @ 25°C   FIT @ 55°C  

    备注: 通过技术手段对故障率进行汇总,并映射到相关的材料部件号。 故障率与被测件的数量密切相关。

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    类型 编号 PDF 标题
    应用笔记 700 Fixed-Gain Op Amps Simplify Filter Design