LM4128AMF-2.5 - Texas Instruments

Manufacturer Part Number

LM4128AMF-2.5

Manufacturer

Texas Instruments

Introduction

Precision voltage reference IC for power management applications

Product Features and Performance

Fixed 2.5V output voltage

20mA output current capability

High accuracy with ±0.1% tolerance

Low temperature coefficient of 75ppm/°C

Low noise performance of 275µVp-p from 0.1Hz to 10Hz

Product Advantages

Stable and precise voltage reference

Suitable for wide range of applications due to high accuracy

Supports wide operating temperature range

Key Technical Parameters

Voltage - Output (Min/Fixed): 2.5V

Current - Output: 20 mA

Tolerance: ±0.1%

Temperature Coefficient: 75ppm/°C

Noise - 0.1Hz to 10Hz: 275µVp-p

Voltage - Input: 2.9V ~ 5.5V

Current - Supply: 100µA

Operating Temperature: -40°C ~ 125°C (TJ)

Quality and Safety Features

Robust operation in extreme temperatures

Low power consumption

Compatibility

Surface mount compatible

SC-74A, SOT-753 package suitable for compact PCB layouts

Application Areas

Power supplies

Data acquisition systems

Portable and battery-powered equipment

Precision instrumentation

Product Lifecycle

Obsolete status

Potential need to identify replacements or upgrades

Key Reasons to Choose This Product

High precision voltage reference for critical applications

Low noise, essential for sensitive electronics

Wide operating temperature range for harsh environments

Low power consumption suitable for portable devices

Surface mount package for space-constrained applications