Overview
The LT1021DCS8-10#TRPBF from Analog Devices Inc. is a precision voltage reference known for its ultralow drift and noise, excellent long-term stability, and high immunity to input voltage variations. This component is part of the LT1021 family, which offers reference voltages of 5V, 7V, and 10V. The LT1021DCS8-10#TRPBF specifically provides a 10V reference voltage and is packaged in an 8-lead SOIC (Small Outline Integrated Circuit) package.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Output Voltage | 10 | V |
| Output Current (Source/Sink) | Up to 10 | mA |
| Initial Tolerance | ±0.05% | |
| Temperature Coefficient | 3 ppm/°C | |
| Package Type | 8-Lead SOIC (Narrow 0.15 Inch) | |
| Trim Pin Impedance | About 12kΩ | |
| Trim Range | ±70mV |
Key Features
- Ultralow Drift and Noise: The LT1021DCS8-10#TRPBF features extremely low temperature drift and noise, making it ideal for high-precision applications.
- Long-Term Stability: It offers excellent long-term stability and is almost immune to input voltage variations.
- High Precision Output: Available in 10V with an initial tolerance as low as ±0.05%.
- Trim Pin for Output Adjustment: The component includes a trim pin for adjusting the output voltage, allowing for precise calibration.
- Shunt Regulator Capability: The 10V unit can be used as a shunt regulator (two-terminal zener) with the same precision characteristics as the three-terminal connection.
- Thermal Regulation and Hysteresis Minimization: Special care has been taken to minimize thermal regulation effects and temperature-induced hysteresis.
Applications
- High-Precision Measurement Systems: Ideal for systems requiring precise voltage references, such as in data acquisition, medical devices, and industrial control systems.
- Instrumentation and Calibration Equipment: Used in calibration equipment and precision instrumentation where stable reference voltages are crucial.
- Aerospace and Military Applications: Suitable for applications requiring high reliability and precision, such as in aerospace and military systems.
- Automotive and Industrial Automation: Used in automotive and industrial automation systems where stable and precise voltage references are necessary.
Q & A
- What is the output voltage of the LT1021DCS8-10#TRPBF?
The output voltage of the LT1021DCS8-10#TRPBF is 10V.
- What is the maximum output current of the LT1021DCS8-10#TRPBF?
The LT1021DCS8-10#TRPBF can source and sink up to 10mA.
- What is the initial tolerance of the LT1021DCS8-10#TRPBF?
The initial tolerance is as low as ±0.05%.
- What is the temperature coefficient of the LT1021DCS8-10#TRPBF?
The temperature coefficient is 3 ppm/°C.
- Can the LT1021DCS8-10#TRPBF be used as a shunt regulator?
Yes, the 10V unit can be used as a shunt regulator with the same precision characteristics as the three-terminal connection.
- How does the trim pin work on the LT1021DCS8-10#TRPBF?
The trim pin allows for adjusting the output voltage with a nominal open-circuit voltage of 5V and an impedance of about 12kΩ.
- What is the recommended potentiometer for trimming the output voltage?
A 10kΩ potentiometer, preferably a 20-turn cermet type, is recommended.
- How can ground loop and line loss problems be minimized?
Proper hook-up using Kelvin connections and adding a PNP boost transistor for high load currents can minimize these issues.
- What are some common applications of the LT1021DCS8-10#TRPBF?
High-precision measurement systems, instrumentation and calibration equipment, aerospace and military applications, and automotive and industrial automation.
- What package type is the LT1021DCS8-10#TRPBF available in?
The component is packaged in an 8-lead SOIC (Narrow 0.15 Inch).
