The LM4128DMF-2.5 is a precision, low-dropout voltage reference IC from Texas Instruments, designed to provide a stable 2.5V output voltage. This device is part of the LM4128 series, which is known for its excellent accuracy and low temperature coefficient, making it an ideal choice for high-performance analog and digital applications that require a precise reference voltage.

Key Features

• Precision Output: The LM4128DMF-2.5 offers a fixed output voltage of 2.5V with an impressive initial accuracy of ±0.1%.
• Low Temperature Drift: With a temperature coefficient of 20ppm/°C (max), users can rely on consistent performance over a wide temperature range.
• Low Dropout Voltage: The device operates with a very low dropout voltage, making it suitable for battery-operated equipment.
• High Output Current: Capable of sourcing up to 20mA of output current, the LM4128DMF-2.5 can drive a variety of loads.
• Stable with Capacitive Loads: This voltage reference can remain stable with capacitive loads up to 10µF, providing flexibility in design.
• Excellent Line Regulation: Exhibits minimal deviation in output voltage with changes in input voltage, ensuring a reliable reference under varying conditions.
• Wide Operating Temperature Range: The device is specified for operation from -40°C to +125°C, accommodating diverse environmental conditions.

Applications

The LM4128DMF-2.5 is versatile and can be used in numerous applications that demand a high-precision voltage reference. Common applications include:

• Data acquisition systems
• Portable instrumentation
• Analog-to-digital converters (ADCs)
• Digital-to-analog converters (DACs)
• Battery-powered devices
• Industrial control systems

Package and Quality

The LM4128DMF-2.5 comes in a small 5-pin SOT-23 package, which is suitable for space-constrained applications. Texas Instruments is committed to high-quality manufacturing standards, ensuring that this product meets rigorous reliability and performance criteria for industrial and commercial use.