Overview
The LT1021DCS8-5#TRPBF, produced by Analog Devices Inc., is a precision voltage reference known for its ultralow drift and noise, along with excellent long-term stability. This component is designed to provide a precise 5V reference voltage with minimal variation over temperature and input voltage changes. The LT1021 series is based on a buried zener diode structure, which enhances temperature drift and time stability compared to surface breakdown devices or bandgap references.
Key Specifications
| Parameter | Value |
|---|---|
| Manufacturer | Analog Devices Inc. |
| Part Number | LT1021DCS8-5#TRPBF |
| Output Type | Fixed |
| Voltage - Output (Min/Fixed) | 5 V |
| Current - Output | 10 mA |
| Package / Case | 8-SOIC (0.154, 3.90mm Width) |
| Tolerance | ±1% |
| Operating Temperature Range | 0 to 70 °C |
| Temperature Coefficient | 5 ppm/°C |
| Noise (0.1Hz to 10Hz) | 3 µV p-p |
| Noise (10Hz to 10kHz) | 2.2 µVrms |
| Voltage - Input | 7.2 to 40 V |
| Current - Supply | 1.5 mA |
| Line Regulation | 3 ppm/V |
| Load Regulation | 10 ppm/mA |
| RoHS | Compliant |
Key Features
- Ultralow Drift and Noise: The LT1021DCS8-5#TRPBF offers extremely low temperature drift and noise, making it suitable for high-precision applications.
- Long-Term Stability: This component exhibits excellent long-term stability, ensuring consistent performance over time.
- Immunity to Input Voltage Variations: The reference output is almost totally immune to input voltage variations, enhancing its reliability in diverse operating conditions.
- Adjustable Output Voltage: The LT1021-5 and LT1021-10 versions have a trim pin for adjusting the output voltage, although the LT1021DCS8-5#TRPBF does not have this feature.
- High Current Capability: The component can source and sink up to 10mA, making it versatile for various load requirements.
- Low Thermal Regulation Effects: Special design considerations have minimized thermal regulation effects and temperature-induced hysteresis.
- RoHS Compliance: The component is RoHS compliant, ensuring environmental sustainability.
Applications
- Precision Measurement Systems: Ideal for applications requiring high precision, such as in instrumentation, data acquisition systems, and precision measurement equipment.
- Industrial Control Systems: Suitable for use in industrial control systems where stable and precise voltage references are crucial.
- Communication Systems: Used in communication systems to provide a stable reference voltage for various signal processing tasks.
- Aerospace and Military: Given its high precision and stability, it is also used in aerospace and military applications where reliability is paramount.
- Audio and Video Equipment: Employed in high-quality audio and video equipment to ensure stable and precise voltage references.
Q & A
- What is the output voltage of the LT1021DCS8-5#TRPBF?
The output voltage of the LT1021DCS8-5#TRPBF is 5V.
- What is the maximum current that the LT1021DCS8-5#TRPBF can source or sink?
The component can source and sink up to 10mA.
- What is the operating temperature range of the LT1021DCS8-5#TRPBF?
The operating temperature range is from 0 to 70 °C.
- What is the temperature coefficient of the LT1021DCS8-5#TRPBF?
The temperature coefficient is 5 ppm/°C.
- Is the LT1021DCS8-5#TRPBF RoHS compliant?
Yes, the component is RoHS compliant.
- What is the input voltage range for the LT1021DCS8-5#TRPBF?
The input voltage range is from 7.2 to 40 V.
- How much noise does the LT1021DCS8-5#TRPBF generate in the 0.1Hz to 10Hz frequency range?
The noise in the 0.1Hz to 10Hz frequency range is 3 µV p-p.
- What is the line regulation of the LT1021DCS8-5#TRPBF?
The line regulation is 3 ppm/V.
- What is the load regulation of the LT1021DCS8-5#TRPBF?
The load regulation is 10 ppm/mA.
- Can the LT1021DCS8-5#TRPBF be used as a shunt regulator?
No, the 5V version is not typically used as a shunt regulator, unlike the 7V and 10V versions.
