What this current-sense amplifier is and where it fits
The Analog Devices MAX4073FAUT+T is a single-channel current-sense amplifier that measures current by sensing the voltage drop across an external shunt resistor. It delivers a 1.7 MHz bandwidth, operates from a 3 V to 28 V supply span, and is rated for -40°C to 125°C.
1.7 MHz bandwidth — what it means for the measurement
The 1.7 MHz -3 dB bandwidth determines how quickly the output voltage settles after a step change in load current. For a switching regulator output or a motor phase, this bandwidth captures transients in the sub-microsecond range.
Package and mounting — SOT-23-6 on the board
The MAX4073FAUT+T comes in a SOT-23-6 package (supplier device package SOT-6), a compact six-lead surface-mount footprint. The part is also available in Cut Tape for prototype or low-volume builds. Surface-mount assembly is straightforward with standard reflow profiles for SOT-23.
Lifecycle and sourcing posture
The MAX4073FAUT+T has an Active product status per the manufacturer, with ROHS3 compliance.