Overview
The ADR1399KEZ, produced by Analog Devices Inc., is a precision shunt reference voltage regulator. It features an oven-compensated, buried Zener diode with an output voltage of 7.05 V. This component is designed to provide excellent temperature stability over a wide range of voltage, temperature, and quiescent current conditions, making it ideal for high-precision applications.
Key Specifications
| Parameter | Value |
|---|---|
| Output Voltage (V) | 7.05 |
| Initial Accuracy Range (mV) | –300 to +250 |
| Quiescent Current (IREF) | 3 mA |
| Noise (0.1 Hz to 10 Hz) | 1.44 μV p-p |
| Long-term Stability | 7 ppm/√kHr |
| Output Dynamic Impedance | 0.08 Ω |
| Package Options | 8-Lead LCC (5mm x 5mm), 4-Lead TO-46 |
Key Features
- Oven-compensated, buried Zener diode for excellent temperature stability.
- Low output dynamic impedance of 0.08 Ω, reducing the effects of shunt resistor and supply voltage variation.
- Minimal noise of 1.44 μV p-p in the 0.1 Hz to 10 Hz frequency range.
- Excellent long-term stability of 7 ppm/√kHr.
- Force and sense pins available in the 8-terminal LCC package for Kelvin sensing.
Applications
The ADR1399KEZ is suitable for various high-precision applications, including:
- Ultrastable digital voltmeters.
- Precision calibration equipment.
- Ultrarepeatable analog-to-digital converters (ADCs).
Q & A
- What is the output voltage of the ADR1399KEZ?
The output voltage of the ADR1399KEZ is 7.05 V. - What is the initial accuracy range of the ADR1399KEZ?
The initial accuracy range is –300 to +250 mV. - What is the quiescent current (IREF) of the ADR1399KEZ?
The quiescent current is 3 mA. - How much noise does the ADR1399KEZ produce in the 0.1 Hz to 10 Hz frequency range?
The noise is 1.44 μV p-p in the 0.1 Hz to 10 Hz frequency range. - What is the long-term stability of the ADR1399KEZ?
The long-term stability is 7 ppm/√kHr. - What is the output dynamic impedance of the ADR1399KEZ?
The output dynamic impedance is 0.08 Ω. - What package options are available for the ADR1399KEZ?
The package options include an 8-Lead LCC (5mm x 5mm) and a 4-Lead TO-46. - What are the key applications of the ADR1399KEZ?
The key applications include ultrastable digital voltmeters, precision calibration equipment, and ultrarepeatable analog-to-digital converters (ADCs). - Does the ADR1399KEZ support Kelvin sensing?
Yes, the 8-terminal LCC package supports Kelvin sensing with force and sense pins. - How does the ADR1399KEZ achieve temperature stability?
The ADR1399KEZ achieves temperature stability through an oven-compensated, buried Zener diode on a monolithic substrate.
