LM4130AIM5-2.5/NOPB

Voltage Reference Overview

The LM4130AIM5-2.5/NOPB is a precision micropower low dropout voltage reference from Texas Instruments, housed in a compact SOT-23-5 package. It delivers a fixed output voltage of 2.500V with an initial accuracy of ±0.05%. The device features a temperature coefficient of 10 ppm/°C across the 0°C to +85°C range and 20 ppm/°C over the extended -40°C to +85°C range. Supply current is typically 75 μA, with a maximum dropout voltage of 275 mV at 10 mA load. It supports up to 20 mA output current and remains stable with capacitive loads up to 100 µF.

Voltage Reference Feature Summary

• CMOS bandgap architecture utilizing EEPROM registers for curvature, tempco, and accuracy correction.
• Capacitive load stability up to 100 µF without requiring external buffer amplifiers.
• Micropower operation with low quiescent current suitable for battery-powered applications.

Voltage Reference Applications

• Portable and battery-powered equipment
• Instrumentation and process control systems
• Automotive and industrial test equipment
• Data acquisition systems

Voltage Reference Procurement Notes

Verify component authenticity through authorized distributors or direct manufacturer channels. Confirm that the received part matches the specific ordering suffix and marking codes defined in the datasheet. Ensure handling procedures account for limited built-in ESD protection during storage and assembly.

Voltage Reference Selection Notes

Select this component when high precision and low power consumption are required in space-constrained designs. The CMOS technology offers performance comparable to laser-trimmed bipolar references. Consider the specific grade requirements for initial accuracy and temperature coefficient based on application sensitivity.

Voltage Reference Part Context

This device belongs to the LM4130 family of precision voltage references. It is designed as a cost-effective alternative to traditional laser-trimmed bipolar references while maintaining high performance standards. The series includes multiple grades (A through E) offering varying levels of accuracy and temperature stability.

Voltage Reference Replacement Considerations

LM4130BIM5-2.5/NOPB

Voltage Reference FAQ

Is an output capacitor required for stability?

No, the LM4130 is stable with capacitive loads ranging from 0 to 100 µF and does not require an output capacitor for basic operation.

What is the maximum output current capability?

The device can source up to 20 mA of output current while maintaining regulation.