MAX4091

Single/Dual/Quad, Micropower, Single-Supply, Rail-to-Rail Op Amps

Low Power RRI/O Op Amp Family Drives 2000pF Capacitive Loads


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Description

The single MAX4091, dual MAX4092, and quad MAX4094 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 130µA of 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 12nV/√Hz. In addition, these op amps can drive loads in excess of 2000pF.

The precision performance of the MAX4091/MAX4092/MAX4094 combined with their wide input and output dynamic range, low-voltage, single-supply operation, and very low supply current, make them an ideal choice for battery-operated equipment, industrial, and data acquisition and control applications. In addition, the MAX4091 is available in space-saving 5-pin SOT23, 8-pin µMAX®, and 8-pin SO packages. The MAX4092 is available in 8-pin µMAX and SO packages, and the MAX4094 is available in 14-pin TSSOP and 14-pin SO packages.
MAX4091, MAX4092, MAX4094: Pin Configurations/Functional Diagrams MAX4091, MAX4092, MAX4094: Pin Configurations/Functional Diagrams Enlarge+

Key Features

  • Low-Voltage, Single-Supply Operation (2.7V to 6V)
  • Beyond-the-Rails™ Inputs
  • No Phase Reversal for Overdriven Inputs
  • 30µV Offset Voltage
  • Rail-to-Rail Output Swing with 1kΩ Load
  • Unity-Gain Stable with 2000pF Load
  • 165µA (max) Quiescent Current Per Op Amp
  • 500kHz Gain-Bandwidth Product
  • High Voltage Gain (115dB)
  • High Common-Mode Rejection Ratio (90dB) and Power-Supply Rejection Ratio (100dB)
  • Temperature Range (-40°C to +125°C)

Applications/Uses

  • Battery-Powered Instruments
  • Cellular Handsets
  • Data Acquisition and Control
  • Digital Cameras (DIGICAMs)
  • Glucose Meters
  • GPS Solutions
  • IP Camera
  • Low-Voltage Signal Conditioning
  • MP3 and Portable Media Players
  • Portable Equipment

Pricing 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 and version-specific prices and delivery, please see the price and availability page or contact an authorized distributor.
Product Reliability Reports: MAX4091.pdf 
Device   Fab Process   Technology   Sample size   Rejects   FIT at 25°C   FIT at 55°C   Material Composition  

Note : The failure rates are summarized by technology and mapped to the associated material part numbers. The failure rates are highly dependent on the number of units tested.

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