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MAX4122, MAX4123, MAX4124, MAX4125, MAX4126, MAX4127, MAX4128, MAX4129
单/双/四路、宽带、低功耗、单电源、满摆幅输入/输出运算放大器


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概述
完整的数据资料 (PDF, 296kB)
英文 Download this datasheet in PDF format下载

The MAX4122–MAX4129 family of operational amplifiers combines wide bandwidth and excellent DC accuracy with rail-to-rail operation at the inputs and outputs. These devices require only 650µA per amplifier, and operate from either a single supply (+2.7V to +6.5V) or dual supplies (±1.35V to ±3.25V) with a common-mode voltage range that extends 250mV beyond VEE and VCC. They are capable of driving 250 loads. The MAX4122/MAX4123/MAX4126/MAX4127/MAX4129 have a 5MHz gain bandwidth product, while the decompensated MAX4124/MAX4125/MAX4128 (stable at closed-looped gains of 10 or greater) have a 25MHz gain bandwidth product. In addition, the MAX4123/MAX4125/MAX4127 feature a shutdown mode in which the outputs are placed in a high-impedance state and the supply current is reduced to only 25µA per amplifier.

With their rail-to-rail input common-mode range and output swing, these amplifiers are ideal for low-voltage single-supply operation. Although the minimum operating voltage is specified at 2.7V, the devices typically operate down to 1.8V. In addition, low offset voltage and high speed make them the ideal signal-conditioning stages for precision, low-voltage, data-acquisition systems. The MAX4122 and MAX4124 come in the space-saving 5-pin SOT23-5 package.

关键特性   应用/使用
  • 5-Pin SOT23 Package (MAX4122/4)
  • +2.7V to +6.5V Single-Supply Operation
  • Rail-to-Rail Input Common-Mode Voltage Range
  • Rail-to-Rail Output Voltage Swing
  • 5MHz Gain-Bandwidth Product (MAX4122/3/6/7/9)
  • 25MHz Gain-Bandwidth Product (MAX4124/5/8)
  • 650µA Quiescent Current per Amplifier
  • 25µA Shutdown Function (MAX4123/5/7)
  • 200µV Offset Voltage
  • No Phase Reversal for Overdriven Inputs
  • Drive 250Ω Loads
  • Stable with 500pF Capacitive Loads
  • Unity-Gain Stable (MAX4122/3/6/7/9)
  • Stable at Gains > 10V/V (MAX4124/5/8)

 
  • 电池供电应用
  • 数据采集
  • 低功耗、低电压应用
  • 便携式设备
  • 信号调理

    Key Specifications:   Operational Amplifiers
    Part Number Amps Per Pkg. Rail to Rail Min. Stable Closed Loop Gain (V/V) Min. Total Supply (V) Max. Total Supply (V) Typ. Supply Current per Amp. (µA) Max. Supply Current per Amp. (µA) Max. VOS (µV) Typ. CMRR @ DC (dB) Typ PSRR @ DC (dB) Max. Input IBIAS (nA) Typ. Unity Gain BW (MHz) Typ. Slew Rate (V/µs) Input Voltage Noise Density (nV/√Hz) Input Current Noise Density (pA/√Hz) Low Power Shutdown Package Price**
    MAX4122  1 Input and Output 1 2.7 6.5 725 825 1,500 90 100 150 5 2 22 0.4 No SOT-23/5 $0.85 @ 1k
    MAX4123  1 1 600 98 5 2 SOIC/8
    uMAX/8
    $0.98 @ 1k
    MAX4124  1 10 1,500 90 25 10 SOT-23/5 $0.85 @ 1k
    MAX4125  1 10 600 98 25 10 SOIC/8
    uMAX/8
    $0.98 @ 1k
    MAX4126  2 1 750 94 5 2 SOIC/8
    uMAX/8
    $1.40 @ 1k
    MAX4127  2 1 750 94 5 2 SOIC/14 $1.67 @ 1k
    MAX4128  2 10 750 94 25 10 SOIC/8
    uMAX/8
    $1.40 @ 1k
    MAX4129  4 1 1,500 84 5 2 SOIC/14 $2.40 @ 1k
    See All Operational Amplifiers (137)
    Notes:
    **This pricing is BUDGETARY, for comparing similar parts. Prices are in U.S. dollars and subject to change. Quantity pricing may vary substantially and international prices may differ due to local duties, taxes, fees, and exchange rates. For volume-specific prices and delivery, please see the price and availability page or contact an authorized distributor.

    图表
    MAX4122,MAX4123,MAX4124,MAX4125,MAX4126,MAX4127,MAX4128,MAX4129:典型工作电路
    典型工作电路

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    参考文献: 19-1087; Rev. 1; 1997-08-01
    本页最后一次更新: 2007-07-18



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