Maxim Integrated Voltage Current Sensing Amplifier Single 6-Pin SOT-23

36V PRECISION CURRENT-SENSE AMP

Maxim Integrated’s 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. Maxim offers a huge range of operational amplifiers or as some people know them op amps, current-sense amplifiers, and comparators for signal conditioning, monitoring, and control applications.
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.

Features and Benefits

• Supports Use of Small Current-Sense Resistors to Improve Power-Supply Conversion Efficiency and Measurement Accuracy,
• Extends Battery Life,
• Four Fixed Gain Options Simplify Design,
• Extremely Low 50nV/°C Input Offset Tempco Coefficient,
• -0.1V to +36V Wide Input Common-Mode Range,
• Low 0.05% Gain Error.

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

• 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
• 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