MAX4074

微功耗、SOT23封装、满摆幅、固定增益、放大和开环运算放大器

固定增益放大器,提高精度、节省空间


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说明

The MAX4074–MAX4078 GainAmp™ op amp family combines low-cost rail-to-rail op amps with precision internal gain-setting resistors. 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 just 34µA. GainAmp amplifiers are optimally compensated for each gain version, achieving gain bandwidth (GBW) products up to 4MHz (AV = +25V/V to +101V/V). High-voltage fault protection withstands ±17V at either input without damage or excessive current draw (MAX4074/MAX4075 only).

Two versions are available in this amplifier family. The MAX4076/MAX4077/MAX4078 are single/dual/quad open-loop, unity-gain-stable op amps, and the MAX4074/MAX4075 are single/dual fixed-gain op amps. 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 (MAX4074/MAX4075 only). The amplifiers are stable for capacitive loads up to 100pF.

For space-critical operations, the MAX4074/MAX4076 are available in space-saving SOT23-5 packages.
MAX4074、MAX4075、MAX4076、MAX4077、MAX4078:典型工作电路 MAX4074、MAX4075、MAX4076、MAX4077、MAX4078:典型工作电路 放大+

关键特性

  • Internal Gain-Setting Resistors in SOT23 Packages (MAX4074/MAX4076)
  • 0.1% Gain Accuracy (RF/RG) (MAX4074/MAX4075)
  • 54 Standard Gains Available (MAX4074/MAX4075)
  • Open-Loop, Unity-Gain-Stable Op Amps (MAX4076/MAX4077/MAX4078)
  • Rail-to-Rail Outputs Drive 1kΩ Load
  • +2.5V to +5.5V Single Supply
  • 34µA Supply Current
  • Up to 4MHz GBW Product
  • Fault-Protected Inputs Withstand ±17V
  • 200pA (max) Input Bias Current
  • Stable with Capacitive Loads up to 100pF with No Isolation Resistor

应用

  • 蜂窝手机
  • 无绳电话
  • 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
  • 便携式电池供电设备
  • 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)
Low Input Bias CMOS InputsInput IBIAS
(nA)
Unity Gain BW
(MHz)
Slew Rate
(V/µs)
en
(nV/√Hz)
Package/PinsBudgetary
Price
minmaxtypmaxtyptypmaxtyptyp<See Notes
MAX4076 1Output Only2.55.54535009595Yes0.20.230.09110
SOT23/5
$1.45 @1k
MAX4077 2
SOIC (N)/8
UMAX/8
$1.67 @1k
MAX4078 4
SOIC (N)/14
TSSOP/14
$2.29 @1k
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。

质量和环境数据

申请可靠性报告: MAX4074 
无铅封装的锡(Sn)晶须报告
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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