High-Output-Drive, Precision, Low-Power, Single-Supply, Rail-to-Rail I/O Op Amps with Shutdown

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The MAX4165-MAX4169 family of operational amplifiers combines excellent DC accuracy with high output current drive, single-supply operation, and rail-to-rail inputs and outputs. These devices operate from a single +2.7V to +6.5V supply, or from dual ±1.35V to ±3.25V supplies. They typically draw 1.2mA supply current, and are guaranteed to deliver 80mA output current.

The MAX4166/MAX4168 have a shutdown mode that reduces supply current to 38µA per amplifier and places the outputs into a high-impedance state. The MAX4165-MAX4169's precision performance combined with high output current, wide input/output dynamic range, single-supply operation, and low power consumption makes them ideal for portable audio applications and other low-voltage, battery-powered systems. The MAX4165 is available in the space-saving 5-pin SOT23 package and the MAX4166 is available in a tiny 2mm x 2mm x 0.8mm µDFN package.

MAX4165, MAX4166, MAX4167, MAX4168, MAX4169: Typical Operating Circuit MAX4165, MAX4166, MAX4167, MAX4168, MAX4169: Typical Operating Circuit Enlarge+

Key Features

  • 80mA (min) Output Drive Capability
  • Rail-to-Rail Input Common-Mode Voltage Range
  • Rail-to-Rail Output Voltage Swing
  • 1.2mA Supply Current per Amplifier
  • +2.7V to +6.5V Single-Supply Operation
  • 5MHz Gain-Bandwidth Product
  • 250µV Offset Voltage
  • 120dB Voltage Gain (RL = 100kΩ)
  • 88dB Power-Supply Rejection Ratio
  • No Phase Reversal for Overdriven Inputs
  • Unity-Gain Stable for Capacitive Loads to 250pF
  • Low-Power Shutdown Mode:
    • Reduces Supply Current to 38µA Places
    • Outputs in High-Impedance State
  • Available in 5-Pin SOT23 Package (MAX4165) or 2mm x 2mm x 0.8mm µDFN (MAX4166)


  • Automotive Sensors
  • Base Station/Wireless Infrastructure
  • Cell Phones
  • Computers: Desktops, Workstations, and Servers
  • Computers: Motherboards
  • Computers: Notebook
  • Digital-to-Analog Converter Buffers
  • Hands-Free Car Phones (Kits)
  • Industrial: Process Measurement and Control
  • Motor Drivers
  • Notebook Computers
  • Panel Meters
  • Portable Battery-Powered Audio Applications
  • Portable Headphone Speaker Drivers
  • Programmable Logic Controllers (PLCs)
  • Set-Top Boxes
  • Signal Conditioning
  • Sound Ports/Cards
  • Transformer/Line Drivers

See parametric specs for Operational Amplifiers (176)

Part NumberAmps.Rail to RailICC per Amp.
Unity Gain BW
Slew Rate
typminmaxmaxtyptypmaxtyptyp<See Notes
MAX4165 1Input/Output13002.76.585093881505226
$1.79 @1k
MAX4166 1
SOIC (N)/8
$1.57 @1k
MAX4167 2
SOIC (N)/8
$1.84 @1k
MAX4168 2
SOIC (N)/14
$2.03 @1k

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: MAX4165.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.

Quality Management System >
Environmental Management System >


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