MAX4470
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MAX4470

Single/Dual/Quad, +1.8V/750nA, SC70, Rail-to-Rail Op Amps

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Sub-µA (750nA) Op Amp Extends Battery Life

Info: : PRODUCTION tooltip
Info: : PRODUCTION tooltip
Part Details
Part Models 4
1ku List Price Starting From $1.12
Features
  • Ultra-Low 750nA Supply Current Per Amplifier
  • Ultra-Low +1.8V Supply Voltage Operation
  • Ground-Sensing Input Common-Mode Range
  • Outputs Swing Rail-to-Rail
  • Outputs Source and Sink 11mA of Load Current
  • No Phase Reversal for Overdriven Inputs
  • High 120dB Open-Loop Voltage Gain
  • Low 500µV Input Offset Voltage
  • 9kHz Gain-Bandwidth Product (MAX4470/MAX4471/MAX4472)
  • 40kHz Gain-Bandwidth Product (MAX4464/MAX4474)
  • 250pF (min) Capacitive Load Capability
  • Available in Tiny, 6-Bump WLP, 5-Pin SC70, and 8-Pin SOT23 Packages
Additional Details
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The MAX4464/MAX4470/MAX4471/MAX4472/MAX4474 family of micropower op amps operate from a single +1.8V to +5.5V supply and draw only 750nA of supply current. The MAX4470 family feature ground-sensing inputs and rail-to-rail output. The ultra-low supply current, low-operating voltage, and rail-to-rail output capabilities make these operational amplifiers ideal for use in single lithium ion (Li+), or two-cell NiCd or alkaline battery systems.

The rail-to-rail output stage of the MAX4464/MAX4470/MAX4471/MAX4472/MAX4474 amplifiers is capable of driving the output voltage to within 4mV of the rail with a 100kΩ load, and can sink and source 11mA with a +5V supply. These amplifiers are available in both fully compensated and decompensated versions. The single MAX4470, dual MAX4471, and the quad MAX4472 are unity-gain stable. The single MAX4464 and the dual MAX4474 are stable for closed-loop gain configurations of ≥ +5V/V. These amplifiers are available in space-saving WLP, SC70, SOT23, µMAX®, and TSSOP packages.

Applications

  • Badges
  • Battery-Powered Systems
  • Cellular Handsets
  • Digital Cameras (DIGICAMs)
  • Electrometer Amplifiers
  • Glucose Meters
  • GPS Solutions
  • IP Camera
  • Micropower
  • MP3 and Portable Media Players
  • Pagers and Cellphones
  • pH Meters
  • Portable Instrumentation
  • Remote Sensor Active
  • Solar-Powered Systems
  • Thermostats
Part Models 4
1ku List Price Starting From $1.12

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Documentation

Documentation

Part Model Pin/Package Drawing Documentation CAD Symbols, Footprints, and 3D Models
MAX4470EUK+
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MAX4470EUK+T
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MAX4470EXK+
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MAX4470EXK+T
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Software and Part Ecosystem

Software and Part Ecosystem

Evaluation Kit

Evaluation Kits 1

MAX4470EVKIT

Evaluation Kit for the MAX4470

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MAX4470EVKIT

Evaluation Kit for the MAX4470

Evaluation Kit for the MAX4470

Features and Benefits

  • 1.8V to 5.5V Single-Supply Operation
  • Jumper Selectable for Inverting, Noninverting, Differential, and Buffer Op-Amp Configuration
  • Demonstrates Super-Capacitor Charge Balancing Using Op-Amp Buffer Configuration
  • Evaluates the Device in a 6-Bump Wafer-Level Package (WLP)
  • Fully Assembled and Tested

Product Detail

The MAX4470 evaluation kit (EV kit) is a fully assembled and tested circuit board that contains all the components necessary to evaluate the MAX4470 IC, offered in a space-saving 1.27mm x 0.86mm WLP package. The device is a rail-to-rail micropower op amp, drawing only 750nA of supply current. The EV kit operates from a single 1.8V to 5.5V DC power supply.

Applications

  • Badges
  • Battery-Powered Systems
  • Cellular Handsets
  • Digital Cameras (DIGICAMs)
  • Electrometer Amplifiers
  • Glucose Meters
  • GPS Solutions
  • IP Camera
  • Micropower
  • MP3 and Portable Media Players
  • Pagers and Cellphones
  • pH Meters
  • Portable Instrumentation
  • Remote Sensor Active
  • Solar-Powered Systems
  • Thermostats

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