Overview
The REF02HSA+ is a precision voltage reference IC produced by Analog Devices Inc./Maxim Integrated. This device is part of the REF02 series, which provides a stable 5.0 V output voltage. It is designed to maintain its output voltage with minimal change in response to variations in supply voltage, ambient temperature, or load conditions. The REF02HSA+ is suitable for applications requiring high accuracy and stability, such as precision data systems, high-resolution converters, and industrial process control systems.
Key Specifications
| Parameter | Symbol | Conditions | Min | Typ | Max | Unit |
|---|---|---|---|---|---|---|
| Output Voltage | VO | IL = 0 mA, TA = 25°C | 4.975 | 5.000 | 5.025 | V |
| Input Voltage Range | VIN | 7.0 | 36 | V | ||
| Quiescent Supply Current | IQ | No Load | 0.65 | 1.4 | mA | |
| Load Current | IOUT | -0.3 | 10 | mA | ||
| Short-Circuit Current | ISC | VO = 0 V | 25 | mA | ||
| Temperature Coefficient | TCVO | -55°C ≤ TA ≤ +125°C | 8.5 | ppm/°C | ||
| Output Voltage Noise (0.1 Hz to 10 Hz) | eN p-p | 15 | μV p-p |
Key Features
- High accuracy and stability: The REF02HSA+ provides a stable 5.0 V output voltage with minimal drift over temperature and supply voltage changes.
- Low noise: The device features low output voltage noise, typically 15 µV p-p from 0.1 Hz to 10 Hz.
- High supply voltage range: The REF02HSA+ can operate with input voltages ranging from 7.0 V to 36 V.
- High load-driving capability: It can drive loads up to 10 mA.
- Temperature output function: The device includes a temperature sensing capability through the TEMP terminal.
Applications
- Precision data systems
- High-resolution converters
- Industrial process control systems
- Precision instruments
- Military and aerospace applications
Q & A
- What is the output voltage of the REF02HSA+? The output voltage of the REF02HSA+ is 5.0 V.
- What is the input voltage range for the REF02HSA+? The input voltage range is from 7.0 V to 36 V.
- What is the maximum load current the REF02HSA+ can drive? The REF02HSA+ can drive loads up to 10 mA.
- What is the typical output voltage noise of the REF02HSA+? The typical output voltage noise is 15 µV p-p from 0.1 Hz to 10 Hz.
- Can the REF02HSA+ be used for temperature sensing? Yes, the device includes a temperature sensing capability through the TEMP terminal.
- What are the operating temperature ranges for the REF02HSA+? The operating temperature ranges are -55°C to +125°C for some grades and 0°C to +70°C for others.
- What is the quiescent supply current of the REF02HSA+? The quiescent supply current is typically 1.4 mA.
- Is the REF02HSA+ suitable for military and aerospace applications? Yes, it is suitable for these applications due to its high accuracy and stability.
- What packages are available for the REF02HSA+? The device is available in various packages including 8-lead SOIC, PDIP, CERDIP, and TO-99.
- How does the REF02HSA+ handle short-circuit conditions? The device can handle short-circuit conditions to ground indefinitely at VIN ≤ 16 V.
