MAX4378

单/双/四高边电流检测放大器，内部增益 Single/Dual/Quad High-Side Current-Sense Amplifiers with Internal Gain

General Description

The MAX4376/MAX4377/ single, dual, and quad precision high-side current-sense amplifiers are available in space-saving packages. They feature buffered voltage outputs that eliminate the need for gain-setting resistors and are ideal for today’s notebook computers, cell phones, and other systems where current monitoring is critical.

Features

♦Low-Cost, Single/Dual/Quad, High-Side Current Sense Amplifiers

♦±0.5% Typical Full-Scale Accuracy

♦+3V to +28V Supply Operation

♦Adjustable Current-Sense Capability with External Sense Resistor

♦Buffered Output Voltage with 2mA Drive

♦1mA typ Supply Current

♦2.0MHz Bandwidth Gain = +20V/V

♦Automotive Temperature Range -40°C to +125°C

♦Full 0 to 28V Common-Mode Range, Independent of Supply Voltage

♦Three Gain Versions Available

+20V/V MAX437_T

+50V/V MAX437_F

+100V/V MAX437_H

♦Available in Space-Saving 5-Pin SOT23 Single, 8-Pin µMAX Dual, and 14-Pin TSSOP Quad