Texas Instruments LM4128DMFX-1.8 Voltage Reference
The LM4128DMFX-1.8 is a precision, low-dropout voltage reference from Texas Instruments, designed to provide a stable and accurate reference voltage for high-performance analog circuits. With a fixed output voltage of 1.8 volts, this voltage reference is ideal for various applications, including data converters, portable instrumentation, and industrial equipment.
Key Features:
- High Accuracy: The LM4128DMFX-1.8 offers an impressive initial accuracy of ±0.1% (max) and temperature drift of ±30 ppm/°C (max), ensuring reliable performance over a wide temperature range.
- Low Dropout Voltage: With a low dropout voltage, this device can maintain accurate output even with minimal input-to-output differential, making it suitable for battery-powered applications.
- Stable with Capacitive Loads: Designed to be stable without an output capacitor, the LM4128DMFX-1.8 can also drive capacitive loads up to 10 µF, providing design flexibility.
- Series Reference: As a series voltage reference, it acts like a shunt reference but offers lower power consumption and better load regulation.
- Wide Operating Temperature Range: It operates over the industrial temperature range of -40°C to 125°C, accommodating a variety of environmental conditions.
- Small Package Size: The LM4128DMFX-1.8 is available in a small SOT-23 package, making it an excellent choice for space-constrained applications.
Applications:
- High-resolution Analog-to-Digital Converters (ADCs)
- Digital-to-Analog Converters (DACs)
- Battery-powered Devices
- Portable Instrumentation
- Industrial Process Control Systems
The LM4128DMFX-1.8 voltage reference is part of Texas Instruments' commitment to providing robust and reliable components for precision analog circuitry. Its combination of accuracy, stability, and versatility makes it a top choice for designers who require a consistent reference voltage in their applications.