## Overview of the ADR01BUJZ-R2 The **ADR01BUJZ-R2** is a high-precision, low-drift **Voltage Reference IC** developed by Analog Devices. It is part of the ADR01 series, which is designed to provide a highly stable 10V output for various industrial and instrumentation applications. --- ### 1. Key Technical Specifications | Parameter | Value / Description | | :--- | :--- | | **Output Voltage** | 10.0 V | | **Input Voltage Range** | 12.0 V to 36.0 V | | **Initial Accuracy** | ±0.1% (or ±10 mV) | | **Temperature Coefficient** | 3 ppm/°C (Low Drift) | | **Output Current Capability** | Up to 10 mA | | **Quiescent Current** | 1 mA (Typical) | | **Package Type** | TSOT-23-5 (Thin SOT-23) | | **Operating Temperature** | -40°C to +125°C | --- ### 2. Core Features & Architecture * **Bandgap Reference Design:** It utilizes a proprietary temperature drift curvature correction technique and an ion-implanted buried Zener to achieve high stability. * **Low Noise:** The device minimizes electrical noise, making it suitable for high-resolution Data Acquisition Systems (DAS). * **No External Capacitors Required:** While output capacitors are optional for stability, the device remains stable even without them, saving PCB space. * **High Line/Load Regulation:** It maintains a consistent output voltage despite changes in the input voltage supply or variations in the load current. --- ### 3. Pin Configuration (TSOT-23-5) | Pin Number | Name | Function | | :---: | :--- | :--- | | 1 | **NC** | No Connection (leave floating) | | 2 | **GND** | Ground | | 3 | **NC** | No Connection | | 4 | **VIN** | Input Voltage Supply | | 5 | **VOUT** | Reference Voltage Output (10V) | --- ### 4. Common Applications 1. **Precision Data Converters:** Acts as a reference for 14-bit, 16-bit, and 18-bit ADCs and DACs. 2. **Industrial Instrumentation:** Used in process control systems and smart transmitters. 3. **Medical Equipment:** High-stability requirements for monitoring and diagnostic devices. 4. **Automotive Systems:** Precision sensing in battery management and engine control. --- ### 5. Part Number Breakdown: ADR01BUJZ-R2 * **ADR01:** Series Name (10V Output). * **B:** Grade (Indicates high accuracy/low drift). * **U:** Package Designator (TSOT). * **J:** Temperature range (-40°C to +125°C). * **Z:** RoHS Compliant (Lead-free). * **R2:** Packaging format (7-inch Reel, 250 units). ---