Overview
The ADR02BR is a precision voltage reference IC produced by Analog Devices Inc. It is part of the ADR02 series, which includes ultracompact, high-accuracy voltage references. The ADR02BR is specifically designed to provide a stable 5.0V output voltage, making it suitable for a wide range of applications requiring precise voltage referencing.
This device is housed in an 8-lead SOIC package and is known for its low temperature coefficient, high stability, and low power consumption. The ADR02BR is compatible with industry-standard REF02 and is a drop-in replacement, offering convenience in design and implementation.
Key Specifications
| Parameter | Symbol | Conditions | Min | Typ | Max | Unit |
|---|---|---|---|---|---|---|
| Input Voltage | VIN | 7 V | 36 V | V | ||
| Output Voltage | VO | A and C grades | 4.995 V | 5.000 V | 5.005 V | V |
| Output Voltage Tolerance | VOERR | A and C grades | 0.1 % | % | ||
| Output Voltage | VO | B grade | 4.997 V | 5.000 V | 5.003 V | V |
| Output Voltage Tolerance | VOERR | B grade | 0.06 % | % | ||
| Temperature Coefficient | TCVO | A grade, SOIC-8 | 3 ppm/°C | 10 ppm/°C | ppm/°C | |
| Operating Temperature Range | TA | –40°C | +125°C | °C | ||
| Package Type | SOIC-8 | |||||
| No. of Pins | 8 | |||||
| RoHS Compliance | Yes |
Key Features
- Ultracompact Packages: Available in SC70-5, TSOT-5, and SOIC-8 packages, making them ideal for space-constrained applications.
- Low Temperature Coefficient: Typical temperature coefficient of 3 ppm/°C for SOIC-8 packages and 9 ppm/°C for SC70-5 and TSOT-5 packages.
- High Accuracy: Initial accuracy of ±0.06% for B grade and ±0.1% for A and C grades.
- No External Capacitor Required: Simplifies the design and reduces component count.
- Low Noise: Low noise output of 10 µV p-p (0.1 Hz to 10 Hz).
- Wide Operating Range: Input voltage range from 7 V to 40 V.
- High Output Current: Capable of delivering up to 10 mA of output current.
- Wide Temperature Range: Specified over the extended industrial temperature range of –40°C to +125°C.
- TRIM Pin for Fine Adjustment: Allows for fine adjustment of the output voltage).
Applications
- Precision Data Acquisition Systems: Ideal for systems requiring high accuracy and stability).
- High Resolution Converters: Suitable for applications needing precise voltage references).
- Industrial Process Control Systems: Used in systems that require stable and accurate voltage references).
- Precision Instruments: Applicable in various precision instruments that demand high accuracy and stability).
- PCMCIA Cards: Can be used in PCMCIA cards due to their compact size and high performance).
Q & A
- What is the output voltage of the ADR02BR?
The ADR02BR provides an output voltage of 5.0 V with an initial accuracy of ±0.06% for B grade and ±0.1% for A and C grades).
- What is the input voltage range for the ADR02BR?
The input voltage range for the ADR02BR is from 7 V to 40 V).
- What are the available package types for the ADR02BR?
The ADR02BR is available in SOIC-8, SC70-5, and TSOT-5 packages).
- What is the temperature coefficient of the ADR02BR in SOIC-8 package?
The temperature coefficient for the SOIC-8 package is typically 3 ppm/°C).
- Does the ADR02BR require an external capacitor?
No, the ADR02BR does not require an external capacitor).
- What is the maximum output current of the ADR02BR?
The ADR02BR can deliver up to 10 mA of output current).
- What is the operating temperature range for the ADR02BR?
The operating temperature range is from –40°C to +125°C).
- Is the ADR02BR RoHS compliant?
Yes, the ADR02BR is RoHS compliant).
- Can the ADR02BR be used in automotive applications?
Yes, the A grade in the SOIC-8 package is qualified for automotive applications).
- What are some common applications of the ADR02BR?
The ADR02BR is commonly used in precision data acquisition systems, high resolution converters, industrial process control systems, precision instruments, and PCMCIA cards).
