Overview
The REF6025IDGKR is a high-precision voltage reference produced by Texas Instruments. This component is designed to provide a stable and accurate voltage output, making it suitable for a variety of applications requiring precise voltage referencing. The REF6025IDGKR features an integrated high-bandwidth buffer and an enable pin, allowing for flexible control and high performance in different operating conditions.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Output Voltage (VOUT) | 2.5 | 2.5 | 2.5 | V |
| Output Voltage Accuracy | -0.05% | 0.05% | % | |
| Temperature Coefficient | 5 ppm/°C | ppm/°C | ||
| Line Regulation (ΔVO/ΔVI) | 4 | 20 | ppm/V | |
| Load Regulation (ΔVO/ΔIL) | 2 | 20 | ppm/mA | |
| Supply Current (ICC) | 0.82 | 0.90 | 1.1 | mA |
| Shutdown Current | 1 | 3 | µA | |
| Output Current Drive | -4 | 4 | mA | |
| Total Integrated Noise (CL = 47 µF) | 5 µVRMS | µVRMS | ||
| Output Impedance (f = DC to 200 kHz) | 50 mΩ | mΩ | ||
| Operating Temperature (TA) | -40 | 25 | 125 | °C |
| Package | 8-Pin VSSOP (DGK) |
Key Features
- High Precision: The REF6025IDGKR offers high initial accuracy of ±0.05% and a temperature coefficient of 5 ppm/°C from -40°C to 125°C.
- Low Noise: Extremely low noise with a total integrated noise of 5 µVRMS and low frequency noise of 3 µVPP/V from 0.1 Hz to 10 Hz.
- Integrated Buffer: Features an integrated high-bandwidth buffer with low output impedance (< 50 mΩ from DC to 200 kHz).
- Enable Pin: Includes an enable pin for easy control of the voltage reference.
- Low Supply Current: Operates with a low supply current of 820 µA in active mode and 1 µA in shutdown mode.
- Programmable Short-Circuit Current: Allows for setting the output short-circuit current limit via the SS pin.
Applications
- High-Precision Data Acquisition Systems: Ideal for use in data acquisition systems that require precise voltage referencing, such as those using the ADS88xx family of ADCs.
- Industrial Automation: Suitable for applications in industrial automation where stable and accurate voltage references are crucial.
- Medical Devices: Used in medical devices that require high precision and low noise voltage references.
- Aerospace and Defense: Applicable in aerospace and defense systems where high reliability and precision are essential.
Q & A
- What is the output voltage of the REF6025IDGKR?
The output voltage of the REF6025IDGKR is 2.5 V.
- What is the temperature coefficient of the REF6025IDGKR?
The temperature coefficient is 5 ppm/°C from -40°C to 125°C.
- What is the total integrated noise of the REF6025IDGKR?
The total integrated noise is 5 µVRMS with a 47 µF capacitor.
- Does the REF6025IDGKR have an integrated buffer?
Yes, it features an integrated high-bandwidth buffer.
- How do I control the output of the REF6025IDGKR?
The output can be controlled using the enable pin.
- What is the supply current of the REF6025IDGKR in active mode?
The supply current is approximately 820 µA in active mode.
- Can I set the short-circuit current limit on the REF6025IDGKR?
Yes, the short-circuit current limit can be set via the SS pin.
- What is the operating temperature range of the REF6025IDGKR?
The operating temperature range is from -40°C to 125°C.
- What package type does the REF6025IDGKR come in?
The REF6025IDGKR comes in an 8-Pin VSSOP (DGK) package.
- What are some typical applications of the REF6025IDGKR?
Typical applications include high-precision data acquisition systems, industrial automation, medical devices, and aerospace and defense systems.
