MAX6018BEUR21

Overview

The MAX6018BEUR21 is a precision, low-dropout, micropower voltage reference from Analog Devices Inc./Maxim Integrated. It operates within an input voltage range of VOUT + 200mV to 5.5V and provides a fixed output of 2.048V. The device features an initial accuracy of ±0.4% (B grade) and a temperature coefficient of 50ppm/°C maximum. It draws a supply current of 5μA maximum and supports a load current of 1mA. Packaged in a compact SOT-23-3 surface-mount format, it functions reliably across a temperature range of -40°C to +85°C.

Feature Summary

• Series architecture eliminates the need for external resistors
• Ultra-low power consumption with minimal voltage dependency
• Compact three-terminal SOT-23 surface-mount package

Applications

• Battery-powered portable equipment
• Handheld instruments
• Two-cell alkaline battery voltage detection systems
• Industrial process control monitoring

Procurement Notes

Verify the specific suffix '21' against official manufacturer documentation to confirm the 2.048V output variant. Ensure compatibility with the SOT-23-3 footprint and check for RoHS compliance status. Confirm availability through authorized distributors as supply may be restricted.

Selection Notes

Select this component when a stable 2.048V reference is required in space-constrained designs. The B-grade ±0.4% accuracy suits applications where moderate precision is acceptable. Consider the 50ppm/°C drift rate for thermal environments and ensure the input voltage remains above VOUT + 200mV for proper regulation.

Part Context

Part of the MAX6018 family of micropower voltage references designed for low-voltage, battery-operated systems. The series utilizes proprietary curvature-correction circuits and laser-trimmed thin-film resistors to achieve specified performance levels without external trimming components.

Replacement Considerations

MAX6018BEUR18+T: Provides 1.8V output instead of 2.048V; verify voltage requirement compatibility.