The **AD8039ART-R2** is a high-speed, dual, voltage feedback amplifier designed by Analog Devices. It is known for its low power consumption and high performance, making it ideal for battery-operated equipment and video applications. --- ### 1. Key Technical Specifications Below is a summary of the critical electrical characteristics of the AD8039ART-R2: | Parameter | Value / Specification | | :--- | :--- | | **Type** | Voltage Feedback Operational Amplifier | | **Channels** | Dual (2 Amplifiers per chip) | | **Bandwidth (-3 dB)** | 350 MHz | | **Slew Rate** | 425 V/µs | | **Supply Voltage Range** | 3V to 12V (or ±1.5V to ±6V) | | **Supply Current** | 1.0 mA per amplifier (Low Power) | | **Output Current** | 40 mA | | **Package Type** | SOT-23-8 (Surface Mount) | --- ### 2. Functional Features * **Low Power Consumption:** One of its standout features is that it consumes only 1.0 mA per amplifier while maintaining a 350 MHz bandwidth. * **High Speed:** The high slew rate (425 V/µs) allows it to handle fast pulses and high-frequency signals with minimal distortion. * **Rail-to-Rail Output:** The output swing can reach very close to the supply rails, maximizing the dynamic range, especially in low-voltage systems. * **Voltage Feedback Architecture:** Provides stability and ease of use in standard op-amp configurations like buffers, inverters, and summers. --- ### 3. Pin Configuration (SOT-23-8) The AD8039ART-R2 utilizes an 8-pin small outline transistor package. | Pin Number | Function | Description | | :--- | :--- | :--- | | 1 | OUTPUT 1 | Output of the first amplifier | | 2 | -INPUT 1 | Inverting input of the first amplifier | | 3 | +INPUT 1 | Non-inverting input of the first amplifier | | 4 | V- | Negative supply voltage | | 5 | +INPUT 2 | Non-inverting input of the second amplifier | | 6 | -INPUT 2 | Inverting input of the second amplifier | | 7 | OUTPUT 2 | Output of the second amplifier | | 8 | V+ | Positive supply voltage | --- ### 4. Common Applications * **Video Electronics:** Used in video switchers, buffers, and line drivers due to its high bandwidth and low distortion. * **Battery Powered Instruments:** Ideal for portable devices where power conservation is critical. * **ADC Drivers:** Acts as a buffer or gain stage to drive high-speed Analog-to-Digital Converters. * **Active Filters:** High-speed filtering in communication systems. --- ### 5. Part Number Breakdown Understanding the suffix `ART-R2`: * **ART**: Refers to the package code (SOT-23-8). * **R2**: Refers to the tape and reel size (usually 7-inch reel with 250 units).