The **ADR01AUJZ-R2** is a precision bandgap voltage reference IC manufactured by **Analog Devices**. It is designed to provide a highly stable and accurate 10V output for various analog applications. Below is a detailed breakdown of its electronic characteristics and specifications. --- ### 1. Key Technical Specifications The following table summarizes the primary electrical parameters for the ADR01AUJZ-R2: | Parameter | Specification | Note | |:---|:---|:---| | **Output Voltage ($V_{out}$)** | 10.0 V | Fixed output | | **Input Voltage Range** | 12.0 V to 36.0 V | Requires headroom | | **Initial Accuracy** | ±0.1% | High precision | | **Temperature Coefficient** | 9 ppm/°C | Stability over heat | | **Output Current Capability** | 10 mA | Source current | | **Quiescent Current** | 1 mA (Max) | Power consumption | | **Package Type** | TSOT-23-5 | Surface Mount (SMT) | --- ### 2. Functional Features * **Low Noise:** It features very low wideband noise ($0.1\text{ Hz}$ to $10\text{ Hz}$), which is critical for high-resolution Data Converters (ADCs/DACs). * **High Stability:** The "Bandgap" architecture ensures that the output voltage remains constant even if the supply voltage or ambient temperature fluctuates. * **Trim Terminal:** The device includes a "TRIM" pin (Pin 5) which allows users to fine-tune the output voltage by ±0.5% using an external potentiometer. * **No External Capacitor Required:** It is stable without the need for an output capacitor, though one can be added to improve transient response. --- ### 3. Pin Configuration (TSOT-23-5) The device is housed in a small 5-lead Thin Small Outline Transistor (TSOT) package. ```markdown Pin 1: NC (No Internal Connection) Pin 2: GND (Ground) Pin 3: NC (No Internal Connection) Pin 4: VIN (Input Voltage) Pin 5: VOUT (Output Voltage) / TRIM ``` --- ### 4. Common Applications 1. **Precision Data Acquisition:** Providing a reference for 12-bit to 16-bit ADCs. 2. **Industrial Instrumentation:** Used in process control systems and PLC modules. 3. **Medical Equipment:** High-stability requirements for diagnostic sensors. 4. **Voltage Regulators:** Acting as a reference for high-accuracy power supply circuits.