LM4130CIM5X-4.1

Voltage Reference Overview

The LM4130CIM5X-4.1 is a precision micropower low dropout voltage reference from Texas Instruments, featuring a fixed output of 4.096V in a SOT23-5 package. It delivers an initial accuracy of ±0.1% and a temperature coefficient of 20 ppm/°C. The device operates with a supply current of ≤75 μA and supports an output current up to 20 mA. It functions within a temperature range of -40°C to +85°C and maintains stability with capacitive loads up to 100 µF without requiring an output capacitor.

Voltage Reference Feature Summary

• CMOS bandgap architecture utilizing EEPROM registers for curvature, tempco, and accuracy correction at the package level.
• Capable of sourcing up to 20 mA while maintaining stability with capacitive loads up to 100 µF.
• Low dropout voltage design suitable for battery-powered applications.

Voltage Reference Applications

• Portable, battery powered equipment
• Instrumentation and process control
• Data acquisition systems
• Precision regulators

Voltage Reference Procurement Notes

Verify component status as obsolete before procurement. Confirm exact ordering suffixes match required grades. Check for updated documentation or replacement part numbers. Ensure compliance with standard warranty terms. Validate availability through authorized distributors.

Voltage Reference Selection Notes

Select based on required initial accuracy and temperature coefficient grades. Consider the low quiescent current for power-sensitive designs. Evaluate the need for input bypassing under noisy conditions. Assess thermal management requirements for high load currents.

Voltage Reference Part Context

Part of the LM4130 family of precision voltage references. Designed to compete with laser-trimmed bipolar references using cost-effective CMOS technology. Offers flexibility through multiple accuracy grades (A-E).

Voltage Reference Replacement Considerations

No public confirmed substitute part numbers are documented in the provided datasheet.

Voltage Reference FAQ

Does the LM4130 require an output capacitor?

No, the LM4130 is designed to operate with or without an output capacitor and is stable with capacitive loads up to 100 µF.

What is the maximum output current?

The LM4130 can source up to 20 mA of output current.