Overview
The REF03GP is a precision voltage reference produced by Analog Devices Inc. This component provides a stable 2.5 V output voltage, making it ideal for applications requiring a precise reference point. The REF03GP operates over a wide input voltage range of 4.5 V to 36 V and is designed to maintain its output voltage with minimal variation due to changes in supply voltage, ambient temperature, or load conditions.
Key Specifications
| Specification | Value |
|---|---|
| Output Voltage | 2.5 V ± 0.6% maximum |
| Input Voltage Range | 4.5 V to 36 V |
| Supply Current | 1.4 mA maximum |
| Output Voltage Tempco | 50 ppm/°C maximum |
| Line Regulation | 50 ppm/V maximum |
| Load Regulation | 100 ppm/mA maximum |
| Operating Temperature Range | −40°C to +85°C |
| Noise (0.1 Hz to 10 Hz) | 6 µV p-p typical |
| Package Types | 8-lead PDIP, 8-lead SOIC |
Key Features
- High output accuracy with a maximum deviation of ±0.6%.
- Wide input voltage range from 4.5 V to 36 V.
- Low supply current of 1.4 mA maximum.
- Excellent temperature stability with an output voltage tempco of 50 ppm/°C maximum.
- Low noise performance with 6 µV p-p typical in the 0.1 Hz to 10 Hz range.
- Extended industrial temperature range from −40°C to +85°C.
- Available in 8-lead PDIP and 8-lead SOIC packages.
- Temperature output function for temperature sensing.
Applications
The REF03GP is particularly useful in various applications that require a precise voltage reference, including:
- Precision data systems and high-resolution converters.
- Industrial process control systems.
- Precision instruments such as log amps and 4 to 20 mA transmitters.
- Power supplies requiring a stable reference voltage.
- Systems using a single 5 V supply rail.
- Analog circuits where a stable reference point is crucial.
Q & A
- What is the output voltage of the REF03GP?
The output voltage of the REF03GP is 2.5 V with a maximum deviation of ±0.6%.
- What is the input voltage range for the REF03GP?
The input voltage range for the REF03GP is from 4.5 V to 36 V.
- What is the maximum supply current of the REF03GP?
The maximum supply current of the REF03GP is 1.4 mA.
- How stable is the output voltage of the REF03GP over temperature changes?
The output voltage tempco of the REF03GP is 50 ppm/°C maximum.
- What is the typical noise performance of the REF03GP?
The typical noise performance of the REF03GP is 6 µV p-p in the 0.1 Hz to 10 Hz range.
- In what packages is the REF03GP available?
The REF03GP is available in 8-lead PDIP and 8-lead SOIC packages.
- Can the REF03GP be used for temperature sensing?
- What are some common applications of the REF03GP?
The REF03GP is commonly used in precision data systems, industrial process control systems, precision instruments, and power supplies.
- Why is proper supply decoupling important for the REF03GP?
Proper supply decoupling is critical to the transient performance of the REF03GP. It should be bypassed with a 10 µF tantalum capacitor in parallel with a 0.01 µF to 0.1 µF ceramic capacitor.
- What is the operating temperature range of the REF03GP?
The operating temperature range of the REF03GP is from −40°C to +85°C.
