MAX44284

MAX44284 36V, Input Common-Mode, High-Precision, Low-Power Current-Sense Amplifier General Description 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. Benefits and Features ● Very Low 2μV Input Offset Voltage (MAX44284F/H)) ● Extremely Low 50nV/°C Input Offset Temperature Coefficient ● Low Supply Current of 21μA ● Low 0.05% Gain Error ● -0.1V to +36V Wide Input Common-Mode Range ● Shutdown Input (Independent of VDD) ● Four Gain Options: 50V/V – MAX44284F 100V/V – MAX44284H 200V/V – MAX44284W 500V/V – MAX44284E ● Tiny 1.3mm x 0.9mm 6-Bump WLP Package and 6-Pin SOT23 Package Ordering Information appears at end of data sheet. 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 For related parts and recommended products to u...