MAX40018ATA+T

High-Accuracy, Low-Offset Current Sense Amplifier for Automotive and Industrial Systems

Product Description

Product Overview

The MAX40018ATA+T is a precision current sense amplifier designed for accurate measurement of current across a shunt resistor in high-reliability systems. It features low input offset voltage, excellent common-mode rejection, and stable performance over temperature, enabling precise current monitoring in automotive and industrial power applications. With a compact package and low power consumption, the MAX40018 is ideal for power management, system protection, and efficiency monitoring.

Key Features

Precision current sense amplifier
Low input offset voltage for high accuracy
High common-mode rejection ratio (CMRR)
Wide common-mode voltage range
Stable performance over temperature
Low power consumption
Fast response for dynamic current monitoring
Suitable for high-side and low-side sensing (variant-dependent)
Compact TDFN / TQFN (ATA) package
Automotive and industrial temperature range
Tape & Reel packaging (+T)
RoHS compliant

Applications

Automotive power management and monitoring
Battery current sensing in BMS
DC/DC converter current monitoring
Overcurrent protection circuits
Motor control and load monitoring
Industrial power supplies
Energy management systems

Electrical Summary

Parameter	Typical
Device Type	Current Sense Amplifier
Offset Voltage	Low
Common-Mode Range	Wide
CMRR	High
Supply Voltage	Single Supply
Power Consumption	Low
Response Time	Fast
Package	TDFN / TQFN (ATA)
Packing	Tape & Reel (+T)
Temperature	Automotive / Industrial
Compliance	RoHS