MAX40056U Overview
The MAX40056 is a bidirectional current-sense amplifier with an input mon-mode range that extends from -0.1V to +65V together with protection against negative inductive kickback voltages to -5V. This CSA is well-suited for phase current monitoring of inductive loads, such as motors and solenoids, where pulse width modulation is used to control the drive voltage and current. The MAX40056 uses an improved technique to...
MAX40056U Key Features
- Fast, 2μs PWM Edge recovery (1%) from
- 60dB AC CMRR Rejection at 50V, ±500V/μs PWM
- 140dB DC CMRR Rejection
- 0.1V to +65V Input Voltage Range
- 5V to +70V Protective Immunity
- 300kHz, -3dB Bandwidth
- Multiple Gain Options; 10V/V, 20V/V, 50V/V
- Internal, 1% Reference for Bidirectional Offset
- 5μV (Typ) Input Offset Voltage
- Rail-to-Rail Output
MAX40056U Applications
- PWM H-Bridge Motor In-line/In-phase/ Winding Current Sensing