Overview
The ADR02BRZ is a high-accuracy, ultra-compact precision voltage reference produced by Analog Devices Inc. This device features a band gap voltage reference with high accuracy, high stability, and low power consumption. It includes an external buffer and a simple resistor network, allowing for fine adjustment of the output voltage via the TRIM pin and temperature sensing through the TEMP pin. The ADR02BRZ is designed for applications requiring precise voltage references and is widely used in precision data acquisition systems, high-resolution converters, industrial process control systems, precision instruments, and auto battery monitoring, among others.
Key Specifications
| Parameter | Min | Max | Unit | |
|---|---|---|---|---|
| Operating Voltage Range | 7.0 | 36.0 | V | |
| Output Voltage | 4.997 | 5.000 | 5.003 | V |
| Initial Accuracy | ±0.06% | |||
| Temperature Coefficient | 3 ppm/°C | |||
| Line Regulation | 30 ppm/V | |||
| Load Regulation | 70 ppm/mA | |||
| Voltage Noise (0.1 Hz to 10 Hz) | 10 µV p-p | |||
| Output Current | 10 mA | |||
| Operating Temperature Range | -40 | 125 | °C | |
| Package Style | 8-lead NSOIC |
Key Features
- High accuracy and stability with an initial accuracy of ±0.06% and a temperature coefficient of 3 ppm/°C.
- Low power consumption with a quiescent current of 0.65 mA to 1 mA.
- External buffer and simple resistor network for flexible application.[
- TRIM pin for fine adjustment of the output voltage.
- TEMP pin for temperature sensing with a temperature sensitivity of 1.96 mV/°C.[
- No external capacitor required for operation.[
- High output current capability of up to 10 mA.[
- Low voltage noise of 10 µV p-p (0.1 Hz to 10 Hz).[
Applications
- Precision data acquisition systems.
- High-resolution converters.[
- Industrial process control systems.[
- Precision instruments.[
- Auto battery monitoring.[
- PCMCIA cards.[
Q & A
- What is the operating voltage range of the ADR02BRZ?
The operating voltage range is from 7.0 V to 36.0 V.
- What is the initial accuracy of the ADR02BRZ?
The initial accuracy is ±0.06%.
- What is the temperature coefficient of the ADR02BRZ?
The temperature coefficient is 3 ppm/°C.
- What is the maximum output current of the ADR02BRZ?
The maximum output current is 10 mA.
- Does the ADR02BRZ require an external capacitor for operation?
No, it does not require an external capacitor.[
- What is the operating temperature range of the ADR02BRZ?
The operating temperature range is from -40°C to +125°C.
- What package style is the ADR02BRZ available in?
The ADR02BRZ is available in an 8-lead NSOIC package.
- What is the voltage noise specification of the ADR02BRZ?
The voltage noise is 10 µV p-p from 0.1 Hz to 10 Hz.
- Can the output voltage of the ADR02BRZ be adjusted?
Yes, the output voltage can be fine-adjusted using the TRIM pin.[
- Does the ADR02BRZ have a temperature sensing feature?
Yes, it has a TEMP pin for temperature sensing.[
