Product Overview: LM4128CQ1MFX2.5/NOPB

The LM4128CQ1MFX2.5/NOPB is a precision micropower series voltage reference from Texas Instruments (TI), renowned for its high accuracy and stability. This device is part of TI's LM4128 series and is designed to provide a fixed 2.5V output voltage, making it an ideal choice for various applications that require a stable reference voltage.

Key Features

• High Accuracy: The LM4128CQ1MFX2.5/NOPB offers an impressive initial accuracy of ±0.1% (max) and a temperature coefficient of 20ppm/°C (max) for the A grade version, ensuring reliable performance over a wide temperature range.
• Low Dropout Voltage: This voltage reference operates with a very low dropout voltage, typically 60mV at a 1mA load, which allows it to function effectively even when the input voltage is close to the output voltage.
• Low Power Consumption: With a quiescent current of 60µA (typical), this device is optimized for battery-powered and energy-efficient applications.
• Wide Operating Range: The LM4128CQ1MFX2.5/NOPB is designed to operate over a wide range of input voltages, from (V_REF + V_DO) to 12V, where V_REF is the reference voltage and V_DO is the dropout voltage.
• Stable with Capacitive Loads: This voltage reference is stable with capacitive loads up to 10µF, providing flexibility in design without compromising stability.
• Automotive Grade: As indicated by the "Q1" in the part number, this device meets the stringent quality and reliability standards required for automotive applications.
• Temperature Range: The device is operational over an extended industrial/automotive temperature range of −40°C to +125°C.

Applications

The LM4128CQ1MFX2.5/NOPB is suitable for a variety of applications, including but not limited to:

• Automotive systems
• Battery-powered equipment
• Data acquisition systems
• Portable handheld instruments
• Medical devices
• Industrial process control systems

Package and Quality

The device is offered in a small SOT-23 package, making it ideal for space-constrained applications. The "NOPB" suffix indicates that this product is part of TI's green initiative, with no lead (Pb) used in the manufacturing process, reflecting the company's commitment to environmental sustainability. Additionally, the product is RoHS compliant and designed to meet the requirements of the automotive industry regarding reliability and robustness.