Maxim Integrated 電流検出アンプ, 1.7 → 5.5 V, 電圧出力, 6-Pin SOT-23

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.

• 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.

• 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

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