Overview
The ADR03BRZ-REEL7 is a precision 2.5 V voltage reference produced by Analog Devices Inc. This component is part of the ADR01, ADR02, ADR03, and ADR06 series, which are known for their high accuracy, high stability, and low power consumption. The ADR03 is housed in an 8-lead SOIC package and is designed to be a drop-in replacement for industry-standard REF03 voltage references, with the additional feature of temperature monitoring.
Key Specifications
| Specification | Value |
|---|---|
| Output Voltage | 2.5 V |
| Initial Accuracy | ±0.1% |
| Temperature Coefficient | 3 ppm/°C (typical for 8-lead SOIC) |
| Operating Temperature Range | −40°C to +125°C |
| Supply Voltage Range | 4.5 V to 36.0 V |
| Output Current | 10 mA |
| Noise (0.1 Hz to 10 Hz) | 10 µV p-p (for ADR02, similar performance expected for ADR03) |
| Line Regulation | 7 ppm/V (VIN = 4.5 V to 36.0 V) |
| Load Regulation | 7 ppm/mA (for ADR03WARZ, −40°C < TA < +125°C) |
| Package Type | 8-Lead SOIC |
Key Features
- Ultracompact SC70 and TSOT packages, as well as 8-lead SOIC package
- Low temperature coefficient: 3 ppm/°C typical for 8-lead SOIC
- No external capacitor required
- Low noise: 10 µV p-p, 0.1 Hz to 10.0 Hz
- Wide operating range: 4.5 V to 36.0 V
- High output current: 10 mA
- Wide temperature range: −40°C to +125°C
- Pin-to-pin compatible with industry-standard REF03 in 8-lead SOIC package
- Temperature monitoring function using the TEMP pin
- TRIM pin for fine adjustment of the output voltage
Applications
The ADR03BRZ-REEL7 is ideally suited for general-purpose and space-constrained applications. It is particularly useful in systems that require high accuracy and stability in voltage reference, such as:
- Automotive systems (A grade in 8-lead SOIC is qualified for automotive applications)
- Industrial control systems
- Medical devices
- Aerospace and defense systems
- Any application requiring precise voltage referencing and temperature monitoring
Q & A
- What is the output voltage of the ADR03BRZ-REEL7?
The output voltage of the ADR03BRZ-REEL7 is 2.5 V.
- What is the initial accuracy of the ADR03BRZ-REEL7?
The initial accuracy of the ADR03BRZ-REEL7 is ±0.1%.
- What is the temperature coefficient of the ADR03BRZ-REEL7?
The temperature coefficient of the ADR03BRZ-REEL7 is 3 ppm/°C typical for the 8-lead SOIC package.
- What is the operating temperature range of the ADR03BRZ-REEL7?
The operating temperature range of the ADR03BRZ-REEL7 is −40°C to +125°C.
- What is the supply voltage range for the ADR03BRZ-REEL7?
The supply voltage range for the ADR03BRZ-REEL7 is 4.5 V to 36.0 V.
- Does the ADR03BRZ-REEL7 require an external capacitor?
No, the ADR03BRZ-REEL7 does not require an external capacitor.
- What is the noise level of the ADR03BRZ-REEL7?
The noise level of the ADR03BRZ-REEL7 is similar to the ADR02, with 10 µV p-p from 0.1 Hz to 10.0 Hz.
- Is the ADR03BRZ-REEL7 compatible with industry-standard voltage references?
Yes, the ADR03BRZ-REEL7 is pin-to-pin compatible with the industry-standard REF03 in the 8-lead SOIC package.
- Can the ADR03BRZ-REEL7 be used for temperature sensing?
Yes, the ADR03BRZ-REEL7 has a TEMP pin that can be used for temperature sensing and approximation with an external buffer and a simple resistor network.
- Is the ADR03BRZ-REEL7 suitable for automotive applications?
Yes, the A grade of the ADR03 in the 8-lead SOIC package is qualified for automotive applications.
