MAX44260

PRODUCTION

1.8V, 15MHz Low-Offset, Low-Power, Rail-to-Rail I/O Op Amps

On-Demand Calibration Provides Accuracy Over Time and Temperature

Data Sheet (Rev. 10) Product Selection Table
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Overview

  • Low Noise for Higher System Accuracy
    • 12.7nV/√Hz Input Voltage-Noise Density
    • 1.2fA/√Hz Input Current-Noise Density
    • 50µV (max) VOS at +25°C
    • 110dB Total Harmonic Distortion
  • 15MHz Unity-Gain Bandwidth Enables for High-Bandwidth Applications
  • Low Power Extends the Battery Life of Portable Equipment
    • 500fA Low Input Bias Current
    • 750µA Quiescent Current per Amplifier
    • < 1µA Supply Current in Shutdown
  • On-Demand VOS Self-Calibration (MAX44261)
  • Saves Board Space
    • Small, 2mm x 2mm SC70 and 1mm x 1.5mm Thin µDFN (MAX44260) and SOT23 (MAX44259) Packages
  • Wide Supply Range from 1.8V to 5.5V Simplifies Power-Supply Requirements

The MAX44259/MAX44260/MAX44261/MAX44263 offer a unique combination of high speed, precision, low noise, and low-voltage operation making them ideally suited for a large number of signal processing functions such as filtering and amplification of signals in portable and industrial equipment.

The devices’ rail-to-rail input/outputs and low noise guarantee maximum dynamic range in demanding applications such as 12- to 14-bit SAR ADC drivers. Unlike traditional rail-to-rail input structures, input crossover distortion is absent due to an optimized input stage with an ultra-quiet charge pump.

The MAX44260 includes a fast-power-on shutdown mode for further power savings. The MAX44261 offers a unique on-demand calibration pin where the user can invoke self-trimming of the input offset voltage. The MAX44263 is a dual amplifier.

The family of parts operates from a supply range of 1.8V to 5.5V over the -40°C to +125°C temperature range and can operate down to 1.7V over the 0°C to +70°C temperature range. The MAX44259 is offered in a 5-pin SOT23 package. The MAX44260/MAX44261 are available in small, 6-pin SC70 packages. The MAX44260 is also available in a 1mm x 1.5mm thin µDFN (ultra-thin LGA)package. The MAX44263 is available in a small 8-pin SC70 package.

Design Solution: Amplifier Extends the Battery Life of Your Heart Rate Monitor ›

Applications

  • 3G/4G Handsets
  • Analog-to-Digital Converter Buffers
  • Battery-Operated Devices
  • General-Purpose Signal Processing
  • Notebooks
  • Portable Media Players
  • Portable Medical Instruments
  • Transimpedance Amplifiers
MAX44260
1.8V, 15MHz Low-Offset, Low-Power, Rail-to-Rail I/O Op Amps
MAX44260, MAX44261: Typical Application Circuit
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Documentation

Data Sheet 1

Reliability Data 1

Design Note 1

Technical Articles 2

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Software Resources

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Tools & Simulations

LTspice

Models for the following parts are available in LTspice:

  • MAX44260

SPICE Model 1

LTspice

LTspice® is a powerful, fast and free simulation software, schematic capture and waveform viewer with enhancements and models for improving the simulation of analog circuits.

Evaluation Kits

MAX44260EVKIT

Evaluation Kit for the MAX44260

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Features and Benefits

  • Accommodates Multiple Op-Amp Configurations
  • Component Pads Allow for Sallen-Key Filter
  • Rail-to-Rail Inputs/Output
  • Proven PCB Layout
  • Fully Assembled and Tested

Product Details

The MAX44260 evaluation kit (EV kit) provides a proven design to evaluate the MAX44260 low-power, low-input-offset voltage, high-bandwidth operational amplifier (op amp) in a 6-pin SC70 package. The EV kit circuit is preconfigured as a noninverting amplifier, but can easily be adapted to other topologies by changing few components. Low power, low-input-offset voltage, and rail-to-rail input/output stages make the device ideal for a variety of precision measurement applications. The EV kit comes with a MAX44260AXT+ installed.

Applications

  • Notebooks
  • Portable Media Players
  • Portable Medical Instruments
MAX44260EVKIT
Evaluation Kit for the MAX44260

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