MAX44284
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MAX44284

36V, Input Common-Mode, High-Precision, Low-Power Current-Sense Amplifier

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Measure Four Decades of Dynamic Range without Increasing Measurement Errors

Info: : PRODUCTION tooltip
Info: : PRODUCTION tooltip
Part Details
Part Models 16
1ku List Price Starting From $1.22
Features
  • Supports Use of Small Current-Sense Resistors to Improve Power-Supply Conversion Efficiency and Measurement Accuracy
    • Input Bias Current of 80nA (max)
    • Very Low 2µV Input Offset Voltage (MAX44284F/H)
    • Extremely Low 50nV/°C Input Offset Tempco Coefficient
    • -0.1V to +36V Wide Input Common-Mode Range
    • Low 0.05% Gain Error
  • Extends Battery Life
    • Low Supply Current of 21µA
    • 1.7V to 5.5V Single Supply
    • Shutdown Input (Independent of VDD)
  • Four Fixed Gain Options Simplify Design
    • 50V/V – MAX44284F
    • 100V/V – MAX44284H
    • 200V/V – MAX44284W
    • 500V/V – MAX44284E
Additional Details
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The MAX44284 is a high-side, current-sense amplifier that operates with a 1.7V to 5.5V single supply and is optimized for very low power operation with only 21µA of quiescent current.

The MAX44284 offers precision accuracy specifications of 2µV VOS and gain error of 0.05%. The device features an input common-mode voltage range from -0.1V to +36V. This current-sense amplifier has a voltage output and is offered in four different gain versions.

The MAX44284 is offered in small 6-bump, 0.4mm-pitch WLP (1.3mm x 0.9mm) and 6-pin SOT23 packages and is specified for operation over the -40°C to +125°C automotive temperature range.

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Applications

  • Base-Stations
  • DC-DC Current Sensing in Power Management
  • Medical Pulse Oximeters and Infusion Pumps
  • Notebook Computers
  • Portable-/Battery-Powered Systems
  • Smartphones and Tablets
Part Models 16
1ku List Price Starting From $1.22

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Documentation

Documentation

Part Model Pin/Package Drawing Documentation CAD Symbols, Footprints, and 3D Models
MAX44284EAUT+
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MAX44284EAUT+T
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MAX44284EAWT+
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MAX44284EAWT+T
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MAX44284FAUT+
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MAX44284FAUT+T
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MAX44284FAWT+
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MAX44284FAWT+T
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MAX44284HAUT+
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MAX44284HAUT+T
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MAX44284HAWT+
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MAX44284HAWT+T
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MAX44284WAUT+
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MAX44284WAUT+T
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MAX44284WAWT+
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MAX44284WAWT+T
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Part Models

Product Lifecycle

PCN

Jan 8, 2019

- 1719D

WAFER FAB

MAX44284EAUT+

PRODUCTION

MAX44284EAUT+T

PRODUCTION

MAX44284EAWT+

PRODUCTION

MAX44284EAWT+T

PRODUCTION

MAX44284FAUT+

PRODUCTION

MAX44284FAUT+T

PRODUCTION

MAX44284FAWT+

PRODUCTION

MAX44284FAWT+T

PRODUCTION

MAX44284HAUT+T

PRODUCTION

MAX44284WAUT+

PRODUCTION

MAX44284WAUT+T

PRODUCTION

MAX44284WAWT+

PRODUCTION

MAX44284WAWT+T

PRODUCTION

Dec 21, 2016

- 1671A

ASSEMBLY

MAX44284EAWT+T

PRODUCTION

MAX44284FAWT+T

PRODUCTION

MAX44284HAWT+T

PRODUCTION

MAX44284WAWT+T

PRODUCTION

Jul 19, 2016

- 1594_AMENDED

ASSEMBLY

MAX44284EAWT+T

PRODUCTION

MAX44284FAWT+T

PRODUCTION

MAX44284HAWT+T

PRODUCTION

MAX44284WAWT+T

PRODUCTION

Dec 8, 2015

- 1594_PRE-PCN

WAFER FAB

MAX44284FAWT+T

PRODUCTION

MAX44284WAWT+T

PRODUCTION

Jan 11, 2021

- 1703RN

ASSEMBLY

MAX44284WAUT+

PRODUCTION

MAX44284WAUT+T

PRODUCTION

Filter by Model

reset

Reset Filters

Part Models

Product Lifecycle

PCN

Jan 8, 2019

- 1719D

arrow down

WAFER FAB

MAX44284EAUT+

PRODUCTION

MAX44284EAUT+T

PRODUCTION

MAX44284EAWT+

PRODUCTION

MAX44284EAWT+T

PRODUCTION

MAX44284FAUT+

PRODUCTION

MAX44284FAUT+T

PRODUCTION

MAX44284FAWT+

PRODUCTION

MAX44284FAWT+T

PRODUCTION

MAX44284HAUT+T

PRODUCTION

MAX44284WAUT+

PRODUCTION

MAX44284WAUT+T

PRODUCTION

MAX44284WAWT+

PRODUCTION

MAX44284WAWT+T

PRODUCTION

Dec 21, 2016

- 1671A

arrow down

ASSEMBLY

MAX44284EAWT+T

PRODUCTION

MAX44284FAWT+T

PRODUCTION

MAX44284HAWT+T

PRODUCTION

MAX44284WAWT+T

PRODUCTION

Jul 19, 2016

- 1594_AMENDED

arrow down

ASSEMBLY

MAX44284EAWT+T

PRODUCTION

MAX44284FAWT+T

PRODUCTION

MAX44284HAWT+T

PRODUCTION

MAX44284WAWT+T

PRODUCTION

Dec 8, 2015

- 1594_PRE-PCN

arrow down

WAFER FAB

MAX44284FAWT+T

PRODUCTION

MAX44284WAWT+T

PRODUCTION

Jan 11, 2021

- 1703RN

arrow down

ASSEMBLY

MAX44284WAUT+

PRODUCTION

MAX44284WAUT+T

PRODUCTION

Software & Part Ecosystem

Software & Part Ecosystem

Evaluation Kit

Evaluation Kits 1

MAX44284EVKIT

Evaluation Kit for the MAX44284

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MAX44284EVKIT

Evaluation Kit for the MAX44284

Evaluation Kit for the MAX44284

Features and Benefits

  • Precision Real-Time Current Monitoring
  • -0.1V to +36V Input Common-Mode Range
  • Proven PCB Layout
  • Fully Assembled and Tested

Product Detail

The MAX44284 evaluation kit (EV kit) provides a proven design to evaluate the MAX44284 high-precision, low-power, current-sense amplifier. This EV kit demonstrates the MAX44284 in an ultra-small, 1.3mm x 0.9mm, 6-bump WLP package.

The EV kit PCB comes with a MAX44284HAWT+ installed, which is the 100V/V gain version. Other gain options are available. Contact the factory for the pin-compatible MAX44284FAWT+ (G = 50V/V), MAX44284WAWT+ (200V/V), and MAX44284EAWT+ (G = 500V/V).

Applications

  • Base-Stations
  • DC-DC Current Sensing in Power Management
  • Medical Pulse Oximeters and Infusion Pumps
  • Notebook Computers
  • Portable-/Battery-Powered Systems
  • Smartphones and Tablets

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