Overview
The ADR03WARZ-R7 is a precision voltage reference produced by Analog Devices Inc. This component is part of the ADR03 series, which includes ultracompact, high-accuracy voltage references. The ADR03WARZ-R7 provides a stable output voltage of 2.5V, making it suitable for a wide range of applications requiring precise voltage regulation.
The device is available in an 8-lead SOIC package and is specified over the extended industrial temperature range of −40°C to +125°C. It is also qualified for automotive applications in its A grade configuration.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Output Voltage (VO) | 2.5 | V |
| Initial Accuracy (VOERR) | ±0.1% | % |
| Temperature Coefficient (TCVO) | 3 ppm/°C (A grade, 8-lead SOIC) | ppm/°C |
| Supply Voltage Range (VIN) | 4.5 V to 36.0 V | V |
| Output Current (IOUT) | Up to 10 mA | mA |
| Line Regulation (∆VO/∆VIN) | 7 ppm/V | ppm/V |
| Load Regulation (∆VO/∆ILOAD) | 40 ppm/mA | ppm/mA |
| Quiescent Current (IIN) | 0.65 mA to 1 mA | mA |
| Voltage Noise (eN p-p) | 20 µV p-p (0.1 Hz to 10.0 Hz) | µV p-p |
Key Features
- Ultracompact Packages: Available in 5-lead SC70, 5-lead TSOT, and 8-lead SOIC packages.
- Low Temperature Coefficient: Typical temperature coefficient of 3 ppm/°C for A grade in 8-lead SOIC.
- High Accuracy: Initial accuracy of ±0.1%.
- No External Capacitor Required: Stable operation without the need for external capacitors.
- Low Noise: Voltage noise of 20 µV p-p from 0.1 Hz to 10.0 Hz.
- Wide Operating Range: Supply voltage range from 4.5 V to 36.0 V.
- High Output Current: Up to 10 mA output current.
- Temperature Monitoring: TEMP pin for temperature sensing and approximation.
- TRIM Pin: For fine adjustment of the output voltage.
Applications
The ADR03WARZ-R7 is suitable for various applications requiring precise voltage regulation, including:
- General-Purpose Voltage References: Ideal for applications needing stable voltage references.
- Space-Constrained Applications: Compact packages make it suitable for designs with limited space.
- Automotive Applications: Qualified for automotive use in its A grade configuration.
- Industrial and Commercial Systems: Applicable in systems requiring high accuracy and stability over a wide temperature range.
Q & A
- What is the output voltage of the ADR03WARZ-R7?
The output voltage of the ADR03WARZ-R7 is 2.5V.
- What are the available package options for the ADR03WARZ-R7?
The ADR03WARZ-R7 is available in 8-lead SOIC packages.
- What is the temperature coefficient of the ADR03WARZ-R7?
The temperature coefficient is typically 3 ppm/°C for the A grade in 8-lead SOIC.
- Does the ADR03WARZ-R7 require an external capacitor for operation?
No, the ADR03WARZ-R7 does not require an external capacitor for stable operation.
- What is the supply voltage range for the ADR03WARZ-R7?
The supply voltage range is from 4.5 V to 36.0 V.
- What is the maximum output current of the ADR03WARZ-R7?
The maximum output current is up to 10 mA.
- Is the ADR03WARZ-R7 suitable for automotive applications?
- What is the temperature range for the ADR03WARZ-R7?
The device is specified over the extended industrial temperature range of −40°C to +125°C.
- Does the ADR03WARZ-R7 have a TRIM pin for voltage adjustment?
- Can the ADR03WARZ-R7 be used for temperature sensing?
