The **AD8663ARZ-R7** is a high-precision, low-noise, CMOS operational amplifier manufactured by Analog Devices. It is part of the DigiTrim® family, which ensures high accuracy and low offset voltage. --- ### ## Technical Specifications Below are the primary electrical characteristics and physical parameters of the device: | Parameter | Specification | | :--- | :--- | | **Component Type** | CMOS Operational Amplifier | | **Number of Channels** | 1 (Single) | | **Supply Voltage (Single)** | 5.0 V to 16 V | | **Supply Voltage (Dual)** | ±2.5 V to ±8.0 V | | **Input Offset Voltage** | 100 µV (Maximum) | | **Bandwidth (Gain-Bandwidth Product)** | 4 MHz | | **Slew Rate** | 3.5 V/µs | | **Input Bias Current** | 1 pA (Typical) | | **Rail-to-Rail Output** | Yes | | **Package / Case** | SOIC-8 (8-lead Small Outline Integrated Circuit) | | **Packaging Format** | Tape & Reel (indicated by the "-R7" suffix) | --- ### ### Key Features 1. **Low Input Bias Current:** Because it uses a CMOS process, the input bias current is extremely low (typically 1 pA). This makes it ideal for high-impedance sensors and photodiode applications. 2. **Wide Supply Range:** Unlike many CMOS op-amps limited to 5V, the AD8663 can handle up to 16V, allowing for higher dynamic range. 3. **Rail-to-Rail Output:** The output can swing very close to the supply rails, maximizing the usable signal range in low-voltage systems. 4. **DigiTrim® Technology:** This is a proprietary technique used during manufacturing to trim the offset voltage, resulting in superior DC precision. --- ### ### Common Applications * **Sensor Interfaces:** Amplifying signals from high-impedance sensors. * **Medical Instrumentation:** Low-power, low-noise monitoring equipment. * **Photodiode Amplifiers:** Due to the ultra-low input bias current. * **Battery-Powered Devices:** Efficient power consumption for portable electronics. * **Active Filters:** High-order filtering in signal processing chains. --- ### ### Pinout Configuration (SOIC-8) ```text AD8663ARZ +---U---+ NC |1 8| NC -IN |2 7| V+ +IN |3 6| OUT V- |4 5| NC +-------+ ``` *(NC = No Connect; V+ = Positive Supply; V- = Negative Supply/Ground)*