Maxim Integrated

MAX44284FAUT+T

Instrumentation, Op Amps, Buffer Amps

Manufacturer
MPN
MAX44284FAUT+T
Package / Case
SOT-23-6
Key Attributes
36V, Input Common-Mode, High-Precision, Low-Power Current-Sense Amplifier

Technical Specifications

TypeDescription
Iq A2.1e-05
Vcm - Common Mode Voltage-100mV~36V
Ib - Input Bias Current2nA
-3dB Bandwidth3kHz
Differential Voltage+/-40V
Output Current-
Channels1.0
Voffset V2 V
Slew Rate Vus-
TypeDescription
Operating Temp-40°C ~ +125°C
Common Mode Rejection Ratio140.0
Voffset Drift Uv50.0
Gain Db50.0
FeaturesHigh-side detection;Low-side detection;Bidirectional detection;Input filter;Enable/shutdown function;Zero drift / auto-zero
Noise Nv150.0
Dual Supply-
Single Supply1.7V~5.5V
Package / CaseSOT-23-6

Product Introduction

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×0.9mm) and 6-pin SOT23 packages and is specified for operation over the -40°C to +125°C automotive temperature range.

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

Applications

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

Datasheet

📄 Open Download

Compliance & Export Codes

TypeDetails
RoHSROHS3
ECCNEAR99
CNHTS8542339000
USHTS8542330001
TARIC8542339000
TypeDetails
CAHTS8542330000
BRHTS85423390
INHTS85423300
MXHTS8542.33.99

Sourcing Information

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