36V, Precision, Low-Power, 90µA, Single/Quad/Dual Op Amps

Precision, Low-Power Performance in High-Voltage Applications

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The MAX44244/MAX44245/MAX44248 family of parts provide ultra-precision, low-noise, zero-drift single/quad/ dual operational amplifiers featuring very low-power operation with a wide supply range. The devices incorporate a patented auto-zero circuit that constantly measures and compensates the input offset to eliminate drift over time and temperature as well as the effect of 1/f noise. These devices also feature integrated EMI filters to reduce high-frequency signal demodulation on the output. The op amps operate from either a single 2.7V to 36V supply or dual ±1.35V to ±18V supply. The devices are unity-gain stable with a 1MHz gain-bandwidth product and a low 90µA supply current per amplifier.

The low offset and noise specifications and high supply range make the devices ideal for sensor interfaces and transmitters.

The devices are available in µMAX®, SO, SOT23, and TSSOP packages and are specified over the -40°C to +125°C automotive operating temperature range.

MAX44244: Typical Operating Circuit MAX44244: Typical Operating Circuit Enlarge+

Key Features

  • Reduces Power for Sensitive Precision Applications
    • Low 90µA Quiescent Current per Amplifier
  • Eliminates the Cost of Calibration with Increased Accuracy with Maxim’s Patented Autozero Circuitry
    • Very Low Input Voltage Offset 7.5µV (max)
    • Low 30nV/NC Offset Drift (max)
  • Low Noise Ideal for Sensor Interfaces and Transmitters
    • 50nV/√Hz at 1kHz
    • 0.5µVP-P from 0.1Hz to 10Hz
  • 1MHz Gain-Bandwidth Product
    • EMI Suppression Circuitry
  • Rail-to-Rail Output
  • Wide Supply for High-Voltage Front Ends
    • 2.7V to 36V Supply Range
  • µMAX, SO, SOT23, TSSOP Packages


  • 4-20mA and 0 to 10V Transmitters
  • PLC Analog I/O Modules
  • Portable Medical Devices
  • Sensors Interfaces
  • Weight Scales

See parametric specs for Operational Amplifiers (177)

Part NumberAmps.Rail to RailICC per Amp.
Low Input Bias CMOS InputsInput IBIAS
Unity Gain BW
Slew Rate
typminmaxmaxtyptypmaxtyptyp<See Notes
MAX44244 1Output Only1002.7367.5130148Yes0.310.750
$1.39 @1k
MAX44245 490
$3.79 @1k
MAX44248 290
SOIC (N)/8
$1.55 @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.

MAX44248EVKIT: Evaluation Kit for the MAX44248
Request Reliability Report for: MAX44244 
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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