MAX492

单/双/四路、微功耗、单电源、满摆幅运算放大器


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说明

The dual MAX492, quad MAX494, and single MAX495 operational amplifiers combine excellent DC accuracy with rail-to-rail operation at the input and output. Since the common-mode voltage extends from VCC to VEE, the devices can operate from either a single supply (+2.7V to +6V) or split supplies (±1.35V to ±3V). Each op amp requires less than 150µA supply current. Even with this low current, the op amps are capable of driving a 1kΩ load, and the input referred voltage noise is only 25nV/√Hz. In addition, these op amps can drive loads in excess of 1nF.

The precision performance of the MAX492/MAX494/MAX495, combined with their wide input and output dynamic range, low-voltage single-supply operation, and very low supply current, makes them an ideal choice for battery-operated equipment and other low-voltage applications. The MAX492/MAX494/MAX495 are available in DIP and SO packages in the industry-standard op-amp pin configurations. The MAX495 is also available in the smallest 8-pin SO: the µMAX® package.
MAX492、MAX495:引脚配置 MAX492、MAX495:引脚配置 放大+

关键特性

  • Low-Voltage Single-Supply Operation (+2.7V to +6V)
  • Rail-to-Rail Input Common-Mode Voltage Range
  • Rail-to-Rail Output Swing
  • 500kHz Gain-Bandwidth Product
  • Unity-Gain Stable
  • 150µA Max Quiescent Current per Op Amp
  • No Phase Reversal for Overdriven Inputs
  • 200µV Offset Voltage
  • High Voltage Gain (108dB)
  • High CMRR (90dB) and PSRR (110dB)
  • Drives 1kΩ Load
  • Drives Large Capacitive Loads
  • MAX495 Available in µMAX Package-8-Pin SO
  • Dual, precision, rail-to-rail input and output (MAX492)
  • Quad, precision, rail-to-rail input and output (MAX494)
  • Single, precision, rail-to-rail input and output (MAX495)

应用

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

请查看具体的参数规格 Operational Amplifiers (175)


Part NumberAmps.Rail to RailICC per Amp.
(µA)
VSUPPLY (Total)
(V)
VSUPPLY (Total)
(V)
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
typminmaxmaxtyptypmaxtyptyp<See Notes
MAX492 2Input/Output1502.7650090110600.50.225
DICE SALES/N
PDIP/8
SOIC (N)/8
$4.38 @1k
MAX494 4
PDIP/14
SOIC (N)/14
$4.75 @1k

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。

工具和模型

  • MAX492宏模型
  • 产品可靠性报告: MAX492.pdf 
    型号   生产流程   工艺   样本量   不合格   FIT @ 25°C   FIT @ 55°C   Material Composition  

    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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