MAX41400ATB+T

Instrumentation, Op Amps, Buffer Amps Overview

The MAX41400ATB+T is a bidirectional current sense amplifier featuring integrated PWM rejection. It operates with a gain of 20 V/V and supports supply voltages from 2.7V to 5.5V. Key electrical parameters include a maximum offset voltage of 30µV, input bias current of 1nA, and common-mode rejection ratio of 80dB. The device provides rail-to-rail output and functions within an operating temperature range of -40°C to +125°C.

Instrumentation, Op Amps, Buffer Amps Feature Summary

• Integrated high-frequency PWM rejection filter for noisy environments
• Bidirectional sensing capability for positive and negative current flow
• Rail-to-rail output stage for wide dynamic range
• High accuracy with low offset voltage and drift

Instrumentation, Op Amps, Buffer Amps Applications

• Battery management systems in portable electronics
• DC-DC converter current monitoring
• Motor control applications requiring bidirectional sensing
• Industrial process control instrumentation

Instrumentation, Op Amps, Buffer Amps Procurement Notes

Verify the complete part number including suffixes against official Analog Devices documentation to ensure correct package and temperature grade. Confirm RoHS compliance status through manufacturer declarations. Cross-reference datasheet revisions to validate pinout and electrical specifications before integration into design files.

Instrumentation, Op Amps, Buffer Amps Selection Notes

Select this component when bidirectional current measurement is required alongside noise immunity from switching converters. The integrated PWM rejection simplifies filter design compared to standard amplifiers. Ensure the 20V/V gain meets system resolution requirements without saturating the rail-to-rail output under maximum expected load conditions.

Instrumentation, Op Amps, Buffer Amps Part Context

This device belongs to the Maxim Integrated current sense amplifier family, designed for precision monitoring in power management circuits. It addresses the challenge of measuring current in high-noise environments typical of modern switched-mode power supplies and motor drives.

Instrumentation, Op Amps, Buffer Amps Replacement Considerations

Consult official Analog Devices substitution guides for verified alternatives. Generic current sense amplifiers may lack the specific PWM rejection bandwidth or bidirectional accuracy required for direct replacement.