Overview
The ADR02AR-REEL7, produced by Analog Devices Inc., is an ultracompact, precision 5.0 V voltage reference. This device 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 various packages, including the 8-lead SOIC, 5-lead SC70, and 5-lead TSOT, making it suitable for both 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 mV | −0.1% | +5 mV | +0.1% |
| Temperature Coefficient | TCVO | 3 ppm/°C | 10 ppm/°C | 25 ppm/°C | ppm/°C |
| Max Input Voltage | VIN | 36 V | V | ||
| Max Output Current | IOUT | 10 mA | mA | ||
| Max Operating Temperature | TA | 125 °C | °C | ||
| Number of Pins | 8 |
Key Features
- Ultracompact Packages: Available in 5-lead SC70, 5-lead TSOT, and 8-lead SOIC packages, making them ideal for space-constrained applications.
- Low Temperature Coefficient: Typical 3 ppm/°C for the 8-lead SOIC package and maximum 9 ppm/°C for the 5-lead SC70 and TSOT packages.
- High Accuracy: Initial accuracy of ±0.1% and low noise of 10 µV p-p from 0.1 Hz to 10.0 Hz.
- Wide Operating Range: Operates from a supply voltage range 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 with an external buffer and resistor network.
- TRIM Pin: Provided for fine adjustment of the output voltage.
Applications
The ADR02 is well-suited for a variety of applications, including:
- General-Purpose Voltage References: Ideal for applications requiring stable and accurate voltage references.
- Space-Constrained Applications: The compact packages make it suitable for designs where space is limited.
- Automotive Applications: The A grade in 8-lead SOIC is qualified for automotive use.
- Temperature Sensing: Can be used for temperature sensing and approximation with additional circuitry.
Q & A
- What is the output voltage of the ADR02AR-REEL7?
The output voltage of the ADR02AR-REEL7 is 5.0 V.
- 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 temperature coefficient of the ADR02 in the 8-lead SOIC package?
The temperature coefficient for the 8-lead SOIC package is typically 3 ppm/°C.
- What is the maximum output current of the ADR02?
The maximum output current is 10 mA.
- What is the operating temperature range of the ADR02?
The operating temperature range is from −40°C to +125°C.
- Is the ADR02 compatible with other industry-standard voltage references?
Yes, the SOIC versions of the ADR02 are pin-to-pin compatible with the industry-standard REF02.
- Can the ADR02 be used for temperature sensing?
Yes, the ADR02 includes a TEMP pin that can be used for temperature sensing with an external buffer and resistor network.
- What is the initial accuracy of the ADR02?
The initial accuracy is ±0.1%.
- What is the ripple rejection ratio of the ADR02?
The ripple rejection ratio is −75 dB at an input frequency of 10 kHz.
- Is the ADR02 qualified for automotive applications?
Yes, the A grade in 8-lead SOIC is qualified for automotive applications.
