## Overview of the AD8062ARZ-R7 The **AD8062ARZ-R7** is a high-speed, rail-to-rail input and output, dual operational amplifier manufactured by Analog Devices. It is part of the FastFET™ family, known for combining high speed with low power consumption and high input impedance. --- ### 1. Key Technical Specifications | Parameter | Value | | :--- | :--- | | **Number of Channels** | 2 (Dual Op-Amp) | | **Bandwidth (-3 dB)** | 300 MHz | | **Slew Rate** | 650 V/µs | | **Supply Voltage Range** | 2.7V to 8V (Single) / ±1.35V to ±4V (Dual) | | **Supply Current** | 6.8 mA per amplifier | | **Input Bias Current** | 1 pA (Typical) | | **Package / Case** | SOIC-8 (N) | | **Output Type** | Rail-to-Rail | --- ### 2. Core Features * **FastFET™ Technology:** Uses a proprietary FET input stage that provides extremely low input bias current (1 pA), making it ideal for photodiode preamps or high-impedance sensors. * **High Speed:** With a 300 MHz bandwidth and a 650 V/µs slew rate, it handles fast pulses and high-frequency signals with minimal distortion. * **Rail-to-Rail I/O:** The output can swing within millivolts of the supply rails, maximizing the dynamic range, especially in low-voltage battery-powered applications. * **Low Noise:** It offers a low voltage noise of $7 \text{ nV}/\sqrt{\text{Hz}}$ at 100 kHz. --- ### 3. Pin Configuration (SOIC-8) | Pin No. | Symbol | Function | | :--- | :--- | :--- | | 1 | OUT A | Output of Channel A | | 2 | -IN A | Inverting Input of Channel A | | 3 | +IN A | Non-inverting Input of Channel A | | 4 | V- | Negative Supply (or Ground) | | 5 | +IN B | Non-inverting Input of Channel B | | 6 | -IN B | Inverting Input of Channel B | | 7 | OUT B | Output of Channel B | | 8 | V+ | Positive Supply | --- ### 4. Typical Applications 1. **Photodiode Preamps:** Due to the ultra-low input bias current. 2. **ADC Drivers:** High speed and rail-to-rail capabilities make it perfect for buffering signals into Analog-to-Digital Converters. 3. **Active Filters:** High-order filters requiring wide bandwidth. 4. **Video Electronics:** Sufficient bandwidth to handle SD and HD video signals. --- ### 5. Part Number Breakdown: AD8062ARZ-R7 * **AD8062:** The base model number (Dual version of AD8061). * **A:** Performance grade/Temperature range (-40°C to +85°C). * **R:** Package identifier (SOIC). * **Z:** RoHS compliant (Lead-free). * **R7:** Packaging format (7-inch Reel, usually containing 1,000 units).