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单/双/四路、微功耗、单电源、满摆幅运算放大器

产品详情

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.

主要特征

  • 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/用途

  • 电池供电应用
  • 数据采集
  • 低电压应用
  • 便携式设备
  • 信号调理
Parametric specs for Operational Amplifiers
Unity Gain BW (MHz) (typ) 0.5
Input IBIAS (nA) (max) 60
VOS (µV) (max) 500
VSUPPLY (Total) (V) (min) 2.7
VSUPPLY (Total) (V) (max) 6
# Amplifiers 2
Rail to Rail Input/Output
Package/Pins PDIP/8
SOIC (N)/8
Budgetary
Price (See Notes)
$4.38 @1k
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简化框图

MAX492、MAX495:引脚配置 MAX492、MAX495:引脚配置 Zoom icon

技术文档

设计与质量

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仿真模型

MAX492 Macromodel

下载

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参量

Parametric specs for Operational Amplifiers
Unity Gain BW (MHz) (typ) 0.5
Input IBIAS (nA) (max) 60
VOS (µV) (max) 500
VSUPPLY (Total) (V) (min) 2.7
VSUPPLY (Total) (V) (max) 6
# Amplifiers 2
Rail to Rail Input/Output
Package/Pins PDIP/8
SOIC (N)/8
Budgetary
Price (See Notes)
$4.38 @1k

主要特征

  • 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/用途

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

描述

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.

简化框图

MAX492、MAX495:引脚配置 MAX492、MAX495:引脚配置 Zoom icon

技术文档

支持和培训

在Maxim的知识库中搜索您所需的答案。

过滤搜索

Maxim专业的应用工程师团队也可以为您解答技术问题,请 访问Maxim的 支持中心