The **AD8091ARTZ-R7** is a high-speed, low-power, voltage feedback amplifier manufactured by Analog Devices. It is specifically designed to operate on a single supply while maintaining high performance, making it ideal for portable electronics and high-frequency signal processing. --- ### 1. Key Technical Specifications The following table highlights the core electrical characteristics of the AD8091ARTZ-R7: | Parameter | Specification | | :--- | :--- | | **Bandwidth (-3 dB)** | 110 MHz | | **Slew Rate** | 145 V/µs | | **Supply Voltage Range** | 3V to 12V (Single) / ±1.5V to ±6V (Dual) | | **Output Current** | 45 mA | | **Settling Time (0.1%)** | 50 ns | | **Package Type** | SOT-23-5 | | **Operating Temperature** | -40°C to +85°C | --- ### 2. Functional Features * **Rail-to-Rail Output:** The output swing can reach within millivolts of the supply rails, which maximizes the dynamic range in low-voltage systems. * **Low Power Consumption:** It draws only about 4.4 mA of supply current, which is efficient for a 110 MHz amplifier. * **Single Supply Operation:** It is optimized for systems powered by batteries (e.g., 3V or 5V rails) without needing a negative voltage rail. * **High Speed:** The 145 V/µs slew rate ensures minimal distortion when handling fast pulses or high-frequency sine waves. --- ### 3. Applications The AD8091 is commonly found in the following types of circuits: 1. **Video Electronics:** Used in video line drivers due to its ability to drive 75Ω loads. 2. **ADC Buffers:** Driving the inputs of high-speed Analog-to-Digital Converters. 3. **Active Filters:** High-order filters requiring high GBW (Gain Bandwidth Product). 4. **Optical Networking:** Photodiode pre-amplification. --- ### 4. Part Number Breakdown Understanding the suffix codes helps in procurement and PCB design: | Part Segment | Meaning | | :--- | :--- | | **AD8091** | Base Model (Single Op-Amp) | | **ARTZ** | **A**: Performance Grade; **RT**: SOT-23 Package; **Z**: RoHS Compliant (Lead-Free) | | **R7** | 7-inch Tape and Reel (Standard for automated assembly) | --- ### 5. Simple Connection Diagram (Typical) ```text V+ (Pin 5) | +-------+ In+ ---| + | (Pin 3)| |--- Out (Pin 1) In- ---| - | (Pin 4)+-------+ | V- / GND (Pin 2) ```