Overview
The REF02HSA+T is a precision voltage reference IC produced by Analog Devices Inc./Maxim Integrated. This component is part of the REF02 series, known for its high accuracy and stability. The REF02HSA+T is designed to provide a stable 5V output voltage, making it suitable for a wide range of applications that require precise voltage referencing.
Key Specifications
| Parameter | Symbol | Conditions | Min | Typ | Max | Unit |
|---|---|---|---|---|---|---|
| Output Voltage | VO | VIN = 15 V, TA = 25°C, ILOAD = 0 mA | 4.975 | 5.000 | 5.025 | V |
| Output Adjustment Range | ΔVTRIM | POT = 10 kΩ | ±2.7% | ±6.0% | % | |
| Initial Accuracy | VOERR | ±25 mV | ±0.5% | mV / % | ||
| Temperature Coefficient | TCVO | −55°C ≤ TA ≤ +125°C | 3 | 8.5 ppm/°C | ppm/°C | |
| Quiescent Current | IQ | No Load | 1.0 | 1.4 | mA | |
| Load Current (Source) | ILOAD (SOURCE) | 10 | 21 | mA | ||
| Load Current (Sink) | ILOAD (SINK) | −0.3 | −0.5 | mA | ||
| Short-Circuit Current | ISC | VOUT = 0 V | 30 | mA | ||
| Power Dissipation | PD | No Load | 15 | 21 | mW | |
| Temperature Range | TA | −40 | +85 | °C |
Key Features
- Output Voltage: +5V with an accuracy of ±0.2% max.
- Temperature Stability: Excellent temperature coefficient of 10 ppm/°C max over the range of −40°C to +85°C.
- Low Noise: Low voltage noise of 10 µVpp max from 0.1 Hz to 10 Hz.
- Short-Circuit Protection: Protected against short circuits with a short-circuit current limit of 30 mA.
- Line Regulation: High line regulation, ensuring stable output voltage over a wide range of input voltages).
- Temperature Sensing: Includes a temperature sensing pin for monitoring temperature changes).
Applications
- Precision Instrumentation: Ideal for use in precision measurement instruments where stable reference voltages are crucial.
- Industrial Control Systems: Used in industrial control systems for accurate voltage referencing.
- Aerospace and Defense: Suitable for military and aerospace applications due to its high reliability and stability.
- Automotive Systems: Employed in automotive systems that require precise voltage references for various control and measurement functions.
- Medical Devices: Used in medical devices where accurate voltage references are essential for reliable operation.
Q & A
- What is the output voltage of the REF02HSA+T?
The output voltage of the REF02HSA+T is +5V with an accuracy of ±0.2% max).
- What is the temperature coefficient of the REF02HSA+T?
The temperature coefficient of the REF02HSA+T is 10 ppm/°C max over the range of −40°C to +85°C).
- Does the REF02HSA+T have short-circuit protection?
Yes, the REF02HSA+T has short-circuit protection with a short-circuit current limit of 30 mA).
- What is the quiescent current of the REF02HSA+T?
The quiescent current of the REF02HSA+T is 1.0 to 1.4 mA under no-load conditions).
- What is the load current capability of the REF02HSA+T?
The REF02HSA+T can source up to 21 mA and sink up to −0.5 mA).
- Can the REF02HSA+T be used for temperature sensing?
Yes, the REF02HSA+T includes a temperature sensing pin for monitoring temperature changes).
- What is the operating temperature range of the REF02HSA+T?
The operating temperature range of the REF02HSA+T is −40°C to +85°C).
- Is the REF02HSA+T suitable for military and aerospace applications?
Yes, the REF02HSA+T is suitable for military and aerospace applications due to its high reliability and stability).
- Can multiple REF02HSA+T devices be stacked for higher output voltages?
Yes, multiple REF02HSA+T devices can be stacked to achieve higher output voltages, such as 10V or 15V).
- What is the typical line regulation of the REF02HSA+T?
The typical line regulation of the REF02HSA+T is high, ensuring stable output voltage over a wide range of input voltages).
