Overview
The REF5050IDGKR is a precision voltage reference from Texas Instruments, part of the REF50xx family. This component is designed to provide high accuracy, low noise, and excellent long-term stability, making it suitable for high-precision applications. Available in both high-grade and standard-grade versions, the REF5050IDGKR offers a reference voltage of 5V with tight tolerance and low temperature drift.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Reference Voltage | 5 | V |
| Tolerance (High Grade) | ±0.05% | |
| Tolerance (Standard Grade) | ±0.1% | |
| Temperature Drift (High Grade) | 3 ppm/°C | |
| Temperature Drift (Standard Grade) | 8 ppm/°C | |
| Low Frequency Noise (0.1 Hz to 10 Hz) | 3 μVPP/V | |
| Output Voltage Noise (10 Hz to 1 kHz) | 0.9 μVRMS/V | |
| Output Current | ±10 mA | |
| Operating Temperature Range | –40°C to 125°C | |
| Package Type | VSSOP-8 | |
| Mounting Type | SMD |
Key Features
- Low temperature drift: High-grade versions offer a maximum drift of 3 ppm/°C, while standard-grade versions offer 8 ppm/°C.
- High accuracy: High-grade versions have a maximum accuracy of ±0.05%, and standard-grade versions have ±0.1%.
- Low noise: The component features low noise with 3 μVPP/V in the low frequency range and 0.9 μVRMS/V in the range of 10 Hz to 1 kHz.
- Excellent long-term stability: Long-term stability is ensured with 22 ppm after the first 1000 hours for SOIC-8 packages and 50 ppm for VSSOP-8 packages.
- High-output current: Capable of sourcing and sinking up to ±10 mA.
- Temperature monitoring: The TEMP pin provides a temperature-dependent output voltage, useful for indicating temperature changes or for temperature compensation.
Applications
- Precision data acquisition systems
- Semiconductor test equipment
- Industrial process controls
- Medical instrumentation
- Pressure and temperature transmitters
- Lab and field instrumentation
Q & A
- What is the reference voltage of the REF5050IDGKR?
The reference voltage of the REF5050IDGKR is 5V.
- What are the tolerance levels for high-grade and standard-grade versions?
High-grade versions have a tolerance of ±0.05%, while standard-grade versions have a tolerance of ±0.1%.
- What is the temperature drift for high-grade and standard-grade versions?
High-grade versions have a maximum temperature drift of 3 ppm/°C, and standard-grade versions have 8 ppm/°C).
- What is the noise level of the REF5050IDGKR?
The component features low noise with 3 μVPP/V in the low frequency range and 0.9 μVRMS/V in the range of 10 Hz to 1 kHz).
- What is the operating temperature range of the REF5050IDGKR?
The operating temperature range is –40°C to 125°C).
- What is the maximum output current of the REF5050IDGKR?
The REF5050IDGKR can source and sink up to ±10 mA).
- Does the REF5050IDGKR have a temperature monitoring feature?
- In what package types is the REF5050IDGKR available?
The REF5050IDGKR is available in VSSOP-8 packages).
- What are some typical applications of the REF5050IDGKR?
Typical applications include precision data acquisition systems, semiconductor test equipment, industrial process controls, medical instrumentation, and lab and field instrumentation).
- How stable is the REF5050IDGKR over long-term use?
The REF5050IDGKR exhibits excellent long-term stability with 22 ppm after the first 1000 hours for SOIC-8 packages and 50 ppm for VSSOP-8 packages).
