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Rail-to-Rail, 200kHz Op Amp with Shutdown in a Tiny, 6-Bump WLP

Save Power and Board Space—Op Amp Consumes Only 4µA and Offers 200kHz BW in 0.4mm Pitch WLP Package

Product Details

The MAX44265 op amp features a maximized ratio of gain bandwidth (GBW) to supply current and is ideal for battery-powered applications such as handsets, tablets, notebooks, and portable medical equipment. This CMOS op amp features an ultra-low input-bias current of 1pA, rail-to-rail input and output, low supply current of 4µA, and operates from a single 1.8V to 5.5V supply. For additional power conservation, the IC also features a low-power shutdown mode that reduces supply current to 1nA and puts the amplifier's outputs in a high-impedance state. This device is unity-gain stable with a 200kHz GBW product.

It is available in a space-saving, 0.9mm x 1.3mm, 6-bump WLP package and is specified over the -40°C to +85°C extended operating temperature range.

Key Features

  • 200kHz GBW
  • Ultra-Low 4µA Supply Current
  • Single 1.8V to 5.5V Supply Voltage Range
  • Ultra-Low 1pA Input Bias Current
  • Rail-to-Rail Input and Output Voltage Ranges
  • Low ±200µV Input Offset Voltage
  • Low 0.001µA Shutdown Current
  • High-Impedance Output During Shutdown
  • Unity-Gain Stable
  • Available in a Tiny, 0.9mm x 1.3mm, 6-Bump WLP Package

Applications/Uses

  • Battery-Powered Devices
  • Cell Phones
  • Mobile Accessories
  • Tablet/Notebook Computers
Parametric specs for Operational Amplifiers
Unity Gain BW (MHz) (typ) 0.2
Input IBIAS (nA) (max) 0.01
VOS (µV) (max) 1000
VSUPPLY (Total) (V) (min) 1.8
VSUPPLY (Total) (V) (max) 5.5
# Amplifiers 1
Rail to Rail Input/Output
Package/Pins WLP/6
Budgetary
Price (See Notes)
$0.52 @1k
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Technical Docs

Design & Development

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Description

The MAX44265 evaluation kit (EV kit) provides a proven design to evaluate the MAX44265 low-power, MOS-input operational amplifier (op amp) in a 6-bump wafer-level package (WLP). The EV kit circuit is preconfigured as a noninverting amplifier, but can easily be adapted to other topologies by changing a few components. Low power, low-input VOS, and rail-to-rail input/output stages make this device ideal for a variety of measurement applications. The component pads accommodate 0805 packages, making them easy to solder and replace. The EV kit comes with a MAX44265EWT+ installed.

View Details

Features

  • +1.8V to +5.5V Supply Voltage Range
  • Accommodates Multiple Op-Amp Configurations
  • Component Pads Allow for Sallen-Key Filter
  • Rail-to-Rail Inputs/Outputs
  • Accommodates Easy-to-Use 0805 Components
  • Proven PCB Layout
  • Fully Assembled and Tested

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SIMULATION MODELS

MAX44265 Macromodel

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SIMULATION MODELS

MAX44265 Orcad Library

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Support & Training

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Parameters

Parametric specs for Operational Amplifiers
Unity Gain BW (MHz) (typ) 0.2
Input IBIAS (nA) (max) 0.01
VOS (µV) (max) 1000
VSUPPLY (Total) (V) (min) 1.8
VSUPPLY (Total) (V) (max) 5.5
# Amplifiers 1
Rail to Rail Input/Output
Package/Pins WLP/6
Budgetary
Price (See Notes)
$0.52 @1k

Key Features

  • 200kHz GBW
  • Ultra-Low 4µA Supply Current
  • Single 1.8V to 5.5V Supply Voltage Range
  • Ultra-Low 1pA Input Bias Current
  • Rail-to-Rail Input and Output Voltage Ranges
  • Low ±200µV Input Offset Voltage
  • Low 0.001µA Shutdown Current
  • High-Impedance Output During Shutdown
  • Unity-Gain Stable
  • Available in a Tiny, 0.9mm x 1.3mm, 6-Bump WLP Package

Applications/Uses

  • Battery-Powered Devices
  • Cell Phones
  • Mobile Accessories
  • Tablet/Notebook Computers

Description

The MAX44265 op amp features a maximized ratio of gain bandwidth (GBW) to supply current and is ideal for battery-powered applications such as handsets, tablets, notebooks, and portable medical equipment. This CMOS op amp features an ultra-low input-bias current of 1pA, rail-to-rail input and output, low supply current of 4µA, and operates from a single 1.8V to 5.5V supply. For additional power conservation, the IC also features a low-power shutdown mode that reduces supply current to 1nA and puts the amplifier's outputs in a high-impedance state. This device is unity-gain stable with a 200kHz GBW product.

It is available in a space-saving, 0.9mm x 1.3mm, 6-bump WLP package and is specified over the -40°C to +85°C extended operating temperature range.

Technical Docs

Support & Training

Search our knowledge base for answers to your technical questions.

Filtered Search

Our dedicated team of Applications Engineers are also available to answer your technical questions. Visit our support portal