## ADR01AKS-R2: High Precision Voltage Reference The **ADR01AKS-R2** is a precision bandgap voltage reference manufactured by Analog Devices. It is designed to provide a highly stable 10.0V output, making it suitable for high-resolution data acquisition systems and instrumentation. ### 1. Key Technical Specifications | Parameter | Specification | |:---|:---| | **Output Voltage ($V_{out}$)** | 10.0 V | | **Input Voltage Range** | 12.0 V to 36.0 V | | **Initial Accuracy** | ±0.1% (Grade A) | | **Temperature Coefficient** | 25 ppm/°C (Max) | | **Output Current Capability** | 10 mA (Source) | | **Quiescent Current** | 1 mA (Max) | | **Package Type** | SC-70 (5-lead) | | **Operating Temperature** | -40°C to +125°C | --- ### 2. Functional Features * **Low Noise:** It features very low wideband noise, which is critical for maintaining the Signal-to-Noise Ratio (SNR) in 14-bit or 16-bit Analog-to-Digital Converters (ADCs). * **High Stability:** The device utilizes a patented temperature drift curvature correction technique and laser trimming to minimize voltage changes over time and temperature. * **Small Footprint:** The **AKS** suffix denotes the SC-70 package, which is significantly smaller than standard SOT-23 packages, saving valuable PCB space. * **No External Capacitors Required:** While output capacitors can be added to improve transient response, the device is stable without them. --- ### 3. Pin Configuration (SC-70) The ADR01AKS typically follows this standard layout: | Pin Number | Name | Description | |:---:|:---:|:---| | 1 | **TP** | Test Point (Leave unconnected or used for trimming) | | 2 | **GND** | Ground | | 3 | **TRIM** | Fine adjustment of the output voltage | | 4 | **VIN** | Input Supply Voltage | | 5 | **VOUT** | Precision Reference Output | --- ### 4. Common Applications 1. **Precision Data Converters:** Used as the external reference for high-accuracy ADCs and DACs. 2. **Industrial Process Control:** Reliable voltage source for 4-20mA loop transmitters. 3. **Instrumentation:** Used in handheld or battery-powered measurement devices where precision is paramount. 4. **Medical Equipment:** Monitoring systems requiring stable baselines. --- ### 5. Part Number Breakdown `ADR01` + `A` + `KS` + `-R2` * **ADR01:** Series name (10V output family). * **A:** Accuracy Grade (Initial accuracy/drift performance). * **KS:** Package designator (SC-70 / 5-lead). * **R2:** Packaging format (Typically refers to 7-inch reel size/quantity). ---