## Overview of AD8055ARTZ-R2 The **AD8055ARTZ-R2** is a high-speed, low-cost voltage feedback amplifier manufactured by Analog Devices. It is designed to offer a balance between high performance (bandwidth and slew rate) and low power consumption, making it ideal for video and communication applications. --- ### Technical Specifications | Parameter | Value / Range | | :--- | :--- | | **Bandwidth (-3 dB)** | 300 MHz | | **Slew Rate** | 1400 V/µs | | **Supply Voltage Range** | 8V to 12V (Single) / ±4V to ±6V (Dual) | | **Output Current** | 60 mA | | **Quiescent Current** | 5.4 mA per amplifier | | **Package Type** | SOT-23-5 (Surface Mount) | | **Settling Time** | 20 ns to 0.1% | --- ### Key Features * **High Speed:** With a 300 MHz bandwidth and a massive 1400 V/µs slew rate, it can handle rapid signal transitions without distortion. * **Video Performance:** It features 0.1 dB gain flatness up to 40 MHz, making it excellent for NTSC and PAL video signals. * **Low Distortion:** It maintains high signal integrity even at high frequencies. * **Small Footprint:** The "ARTZ" suffix indicates the SOT-23-5 package, which is extremely compact for space-constrained PCB designs. --- ### Internal Structure and Pinout The AD8055ARTZ-R2 is a single-channel operational amplifier. In its 5-lead SOT-23 package, the pin configuration is typically: 1. **Output:** Signal output. 2. **V-:** Negative power supply (or Ground for single-supply). 3. **+Input:** Non-inverting input. 4. **-Input:** Inverting input. 5. **V+:** Positive power supply. --- ### Common Applications * **Video Line Drivers:** Driving coaxial cables for video transmission. * **ADC Buffers:** Providing high-speed buffering for Analog-to-Digital Converters. * **Photodiode Pre-amps:** Used in optical communication receivers. * **Active Filters:** Implementing high-frequency low-pass or band-pass filters. --- ### Naming Convention Breakdown * **AD8055:** The base model number. * **ARTZ:** Indicates the package (SOT-23) and Lead-Free/RoHS compliance. * **R2:** Specifies the tape and reel size (usually a 7-inch reel with a specific quantity, in this case, 250 units).