MAX9938 Overview
The MAX9938 high-side current-sense amplifier offers precision accuracy specifications of V OS less than 500μV (max) and gain error less than 0.5% (max). Quiescent supply current is an ultra-low 1μA. The MAX9938 fits in a tiny, 1mm x 1mm UCSP™ package size or a 5-pin SOT23 package, making the part ideal for applications in notebook puters, cell phones, PDAs,.