LM385BDE4-2-5 Description
The LM385BDE4-2-5 is a precision shunt voltage reference IC designed to provide a stable and accurate reference voltage of 2.5V. Manufactured by Texas Instruments, this device is part of the LM385 family, known for its high performance and reliability in a wide range of applications. The LM385BDE4-2-5 features a fixed output voltage with a tolerance of ±1.5%, ensuring precise voltage regulation. It operates within a temperature range of 0°C to 70°C, making it suitable for various environmental conditions.
LM385BDE4-2-5 Features
- Fixed Output Voltage: The LM385BDE4-2-5 provides a stable 2.5V output voltage, ideal for applications requiring a precise reference voltage.
- Low Temperature Coefficient: With a typical temperature coefficient of 20ppm/°C, the LM385BDE4-2-5 ensures minimal voltage drift over temperature variations, enhancing its stability and accuracy.
- Low Noise: The device exhibits low noise levels of 120µVrms over the frequency range of 10Hz to 10kHz, which is crucial for high-precision applications.
- High Output Current Capability: The LM385BDE4-2-5 can source up to 20 mA, making it suitable for applications requiring higher current outputs.
- Surface Mount Package: Available in an 8SOIC package, the LM385BDE4-2-5 is designed for surface mount technology, facilitating easy integration into modern PCB designs.
- Compliance: The device is REACH unaffected and RoHS3 compliant, adhering to stringent environmental regulations.
- Moisture Sensitivity Level: With an MSL of 1 (Unlimited), the LM385BDE4-2-5 is suitable for storage and handling in various environments without the need for special precautions.
LM385BDE4-2-5 Applications
The LM385BDE4-2-5 is ideal for a variety of applications that require a stable and accurate voltage reference. Some specific use cases include:
- Analog-to-Digital Converters (ADCs): The low noise and high stability of the LM385BDE4-2-5 make it an excellent reference for ADCs, ensuring accurate and reliable conversions.
- Digital-to-Analog Converters (DACs): The device provides a precise reference voltage for DACs, enhancing the accuracy of analog output signals.
- Power Supplies: The LM385BDE4-2-5 can be used as a reference in voltage regulators and power supplies to maintain a stable output voltage.
- Instrumentation and Measurement Equipment: The high precision and low temperature coefficient make it suitable for precision measurement devices and instrumentation.
- Medical Equipment: The stability and reliability of the LM385BDE4-2-5 are crucial for medical devices that require precise voltage references for accurate readings and diagnostics.
Conclusion of LM385BDE4-2-5
The LM385BDE4-2-5 is a versatile and high-performance shunt voltage reference IC designed to meet the stringent requirements of modern electronic systems. Its fixed 2.5V output voltage, low temperature coefficient, and low noise levels make it an ideal choice for applications requiring precise voltage references. Despite being marked as obsolete, the LM385BDE4-2-5 remains a reliable option for designers looking for a proven and stable voltage reference solution. Its compliance with environmental regulations and surface mount package further enhance its suitability for a wide range of applications.