Overview
The ADR02BRZ-REEL7 is a precision 5.0 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 ADR02 is housed in an 8-lead SOIC package and is designed to be a drop-in replacement for industry-standard REF02 voltage references, with the additional feature of temperature monitoring.
The device operates over a wide supply voltage range of 7.0 V to 36.0 V and is specified over an extended industrial temperature range of −40°C to +125°C, making it suitable for general-purpose and space-constrained applications.
Key Specifications
| Parameter | Symbol | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Output Voltage | VO | 4.995 | 5.000 | 5.005 | V |
| Initial Accuracy | VOERR | −5 | 0 | +5 | mV |
| Line Regulation | ∆VO/∆VIN | 7 | 30 | ppm/V | |
| Load Regulation | ∆VO/∆ILOAD | 40 | 70 | ppm/mA | |
| Quiescent Current | IIN | 0.65 | 1 | mA | |
| Voltage Noise (0.1 Hz to 10.0 Hz) | eN p-p | 10 | µV p-p | ||
| Turn-on Settling Time | tR | 4 | µs | ||
| Long-term Stability (1000 hours) | ∆VO | 50 | ppm | ||
| Output Voltage Hysteresis | ∆VO_HYS | 70 | ppm | ||
| Ripple Rejection Ratio (fIN = 10 kHz) | RRR | −75 | dB | ||
| Short Circuit to GND | ISC | 30 | mA | ||
| Temperature Sensor Voltage Output at TEMP Pin | VTEMP | 550 | mV | ||
| Temperature Sensitivity | TCVTEMP | 1.96 | mV/°C |
Key Features
- Ultracompact Packages: Available in 5-lead SC70, 5-lead TSOT, and 8-lead SOIC packages, making them ideal for space-constrained applications.
- High Accuracy and Stability: Initial accuracy of ±0.1% and low temperature coefficient (e.g., 3 ppm/°C for A grade in 8-lead SOIC).
- Low Noise: Voltage noise of 10 µV p-p from 0.1 Hz to 10.0 Hz.
- Wide Operating Range: Operates from a supply voltage of 7.0 V to 36.0 V.
- High Output Current: Capable of delivering up to 10 mA of output current.
- Temperature Monitoring: Includes a TEMP pin for temperature sensing and approximation.
- TRIM Pin for Fine Adjustment: Allows for fine adjustment of the output voltage.
- Automotive Qualification: A grade in 8-lead SOIC is qualified for automotive applications.
Applications
- General-Purpose Voltage References: Suitable for a wide range of applications requiring stable voltage references.
- Space-Constrained Applications: Ideal for designs where compact size is crucial.
- Automotive Systems: Qualified for use in automotive applications due to its robust specifications and temperature range.
- Industrial and Commercial Equipment: Used in various industrial and commercial devices requiring precise voltage references.
- Component Level Compatibility: Pin-to-pin compatible with industry-standard REF01, REF02, and REF03 voltage references.
Q & A
- What is the output voltage of the ADR02BRZ-REEL7?
The output voltage of the ADR02BRZ-REEL7 is 5.0 V, with an initial accuracy of ±0.1% (±5 mV).
- What are the available package options for the ADR02?
The ADR02 is available in 5-lead SC70, 5-lead TSOT, and 8-lead SOIC packages.
- What is the operating temperature range of the ADR02BRZ-REEL7?
The device operates over an extended industrial temperature range of −40°C to +125°C.
- Is the ADR02BRZ-REEL7 compatible with other industry-standard voltage references?
Yes, the SOIC version of the ADR02 is pin-to-pin compatible with the 8-lead SOIC version of the REF02, with the additional feature of temperature monitoring.
- What is the quiescent current of the ADR02BRZ-REEL7?
The quiescent current of the ADR02BRZ-REEL7 is 0.65 mA to 1 mA under no load conditions).
- Does the ADR02BRZ-REEL7 require an external capacitor?
No, the ADR02BRZ-REEL7 does not require an external capacitor).
- What is the ripple rejection ratio of the ADR02BRZ-REEL7?
The ripple rejection ratio of the ADR02BRZ-REEL7 is −75 dB at an input frequency of 10 kHz).
- Can the ADR02BRZ-REEL7 be used for temperature sensing?
Yes, the ADR02BRZ-REEL7 includes a TEMP pin that can be used for temperature sensing and approximation).
- Is the ADR02BRZ-REEL7 qualified for automotive applications?
Yes, the A grade in 8-lead SOIC of the ADR02 is qualified for automotive applications).
- What is the long-term stability of the ADR02BRZ-REEL7?
The long-term stability of the ADR02BRZ-REEL7 is specified as 50 ppm over 1000 hours).
