LM399H#PBF

The LM399H#PBF is a high-precision voltage reference device designed by Analog Devices. It is known for its exceptional stability and low drift over time and temperature, making it ideal for use in precision applications. The device operates as a buried zener diode reference, which provides a stable output voltage, typically around 7 volts. The "H" designation refers to its hermetic package type, which ensures reliability and protection against environmental factors.
The "#PBF" suffix indicates that the device is lead-free, complying with RoHS standards for environmental safety. Key features include low noise performance, low temperature coefficient, and excellent long-term stability. It is commonly used in applications requiring precise voltage references, such as test and measurement equipment, high-resolution data converters, and precision power supplies.
The LM399H#PBF offers a robust solution for engineers and designers seeking consistent performance in demanding conditions, characterized by its ability to maintain accuracy over a wide range of operating environments.

The LM399H#PBF is a precision voltage reference device known for its high stability and low temperature coefficient. Key features include:
1. High Precision: Offers a stable voltage reference, typically around 7.0V, which is crucial for applications requiring high accuracy.
2. Low Temperature Coefficient: It has an exceptionally low temperature drift, approximately 1ppm/°C, ensuring stable performance across a wide temperature range.
3. Low Noise: Provides low noise output, making it suitable for high-precision analog applications.
4. Long-Term Stability: Offers excellent long-term stability, enhancing reliability in critical systems.
5. Hermetically Sealed Package: Comes in a TO-46 metal can package, providing protection against environmental factors and ensuring longevity.
6. Wide Operating Temperature Range: Typically operates effectively from -55°C to +125°C, allowing use in harsh environments.
7. Ease of Use: Requires minimal external components, simplifying circuit design.
These features make the LM399H#PBF ideal for precision instrumentation, calibration equipment, and other applications where voltage stability is crucial.

The LM399H#PBF is a precision voltage reference packaged in a TO-46 metal can. This package type is designed for enhanced thermal stability and reliability, making it suitable for applications requiring accurate voltage references.

The LM399H#PBF is a precision voltage reference manufactured by Analog Devices. It is packaged in a TO-46 metal can, which typically features 8 pins. However, in many applications, only 4 of these pins are commonly used:
1. Output (Vout): This pin provides the stable reference voltage.
2. Ground (GND): This pin is connected to the circuit ground.
3. Supply Voltage (Vin): This pin receives the input supply voltage necessary for the device to function.
4. Adjust (or Trim): This pin is used to fine-tune the output voltage to compensate for deviations or to set the output to a precise value.
The LM399H provides a highly stable voltage reference of approximately 6.95V with low drift over temperature and time, making it suitable for high-precision applications. Its internal heater maintains a constant temperature for the zener diode, minimizing thermal drift and enhancing stability.

The LM399H#PBF is manufactured by Analog Devices, Inc. Analog Devices is a multinational semiconductor company that designs and manufactures a wide range of analog, mixed-signal, and digital signal processing integrated circuits. It serves various industries including automotive, communications, industrial, healthcare, and consumer electronics. The company is known for its high-performance products and solutions that address complex electronics challenges.

The LM399H#PBF is a precision voltage reference known for its high stability and low drift, making it ideal for applications requiring precise voltage regulation and measurement. Key application areas include high-precision data acquisition systems, digital voltmeters, calibration equipment, and laboratory instrumentation. Its excellent temperature stability and low noise make it suitable for use in aerospace, defense, and industrial measurement systems where reliable voltage reference standards are crucial.

Equivalent products to the LM399H#PBF, a precision voltage reference, include the ADR1399, LTZ1000, REF102, and MAX6126. These alternatives offer similar precision and stability for voltage reference applications. However, it is important to verify specific specifications and pin compatibility when considering replacements.