LM4050CIX3-2.1-T

Voltage Reference Overview

The LM4050CIX3-2.1-T is a precision two-terminal shunt voltage reference manufactured by Analog Devices Inc./Maxim Integrated. It provides a fixed reverse breakdown voltage of 2.048V with an initial accuracy of 0.1%. The device utilizes BICMOS technology and is housed in a compact SC-70 (SOT-323) surface-mount package with three pins, measuring 1.80 x 1.80 mm. It operates within a temperature range of -40°C to +125°C and supports a shunt current range from 60µA to 15mA.

Voltage Reference Feature Summary

• Ultra-small 3-pin SC-70 surface-mount package for space-critical designs
• High initial accuracy of 0.1% ensured by laser-trimmed resistors
• Wide operating current range from 60µA to 15mA with low dynamic impedance
• Capable of driving capacitive loads without requiring external stabilizing capacitors

Voltage Reference Applications

• Portable and battery-powered equipment
• Notebook computers
• Cell phones
• Industrial process controls
• Automotive systems

Voltage Reference Procurement Notes

Verify the specific suffix 'T' indicates tape-and-reel packaging configuration. Confirm the manufacturer designation as Analog Devices Inc./Maxim Integrated for this specific part number variant. Ensure the component meets RoHS compliance standards if required by your manufacturing process. Cross-reference the exact pinout and thermal characteristics against the official datasheet before final integration.

Voltage Reference Selection Notes

Select this component when a precise 2.048V reference is needed in a minimal footprint. The 0.1% accuracy grade suits applications demanding high precision. The wide current range allows flexibility in biasing resistor selection. Consider the SC-70 package size constraints relative to available board space compared to larger SOT-23 alternatives.

Voltage Reference Part Context

This part belongs to the LM4050/LM4051 family of micropower shunt voltage references. The series offers multiple fixed reverse breakdown voltages including 1.225V, 2.500V, 3.000V, 3.3V, 4.096V, and 5.000V. The family is characterized by a maximum temperature coefficient of 50ppm/°C over the industrial temperature range, ensuring stable performance across varying environmental conditions.

Voltage Reference Replacement Considerations

LM4050CEX3-2.1+ is a compatible alternative within the same product line offering identical electrical specifications and package type.