The **AD8051ART-R2** is a high-speed, voltage feedback amplifier manufactured by Analog Devices. It is part of the AD8051 family, known for its "rail-to-rail" output capability and high performance-to-power ratio. --- ## 1. Core Technical Specifications The AD8051 is designed for high-speed signal processing where low power consumption and high bandwidth are critical. | Parameter | Typical Value | | :--- | :--- | | **Bandwidth (-3 dB)** | 110 MHz | | **Slew Rate** | 145 V/µs | | **Settling Time (0.1%)** | 50 ns | | **Supply Voltage Range** | 3 V to 12 V (Single or Dual) | | **Supply Current** | 4.4 mA (per amplifier) | | **Output Current** | 45 mA | | **Package Type** | SOT-23-5 (indicated by "ART") | --- ## 2. Key Features and Functions ### Rail-to-Rail Output Unlike standard operational amplifiers, the AD8051 can drive its output voltage very close to the supply rails (within roughly 30-100 mV depending on the load). This is essential for low-voltage systems (like 3V or 5V) to maintain a high dynamic range. ### High-Speed Performance With a 110 MHz bandwidth, it is suitable for processing video signals (NTSC, PAL, SECAM) and high-speed data conversion buffering. ### Low Power Consumption Despite its high speed, it draws only 4.4 mA, making it suitable for battery-powered portable electronics. --- ## 3. Package and Ordering Information (Decoding "ART-R2") The suffix in the part number provides specific manufacturing details: * **AD8051**: The base model number (Single High-Speed Op-Amp). * **ART**: Refers to the **SOT-23-5** (Small Outline Transistor) package, which is a surface-mount package with 5 pins. * **R2**: Refers to the packaging format—specifically a **7-inch reel** containing 250 units (standard for automated assembly). --- ## 4. Typical Applications * **Video Line Drivers**: Used to drive coaxial cables in video systems. * **ADC Buffers**: Acting as an interface between a sensor and an Analog-to-Digital Converter to prevent signal degradation. * **Photodiode Preamps**: Converting current from high-speed light sensors into voltage. * **Active Filters**: Designing high-frequency filters for communication equipment. ---