The **AD8624ACPZ-R2** is a high-precision, low-noise, quad-channel operational amplifier (op-amp) manufactured by **Analog Devices**. It is part of the "DigiTrim" family, known for its rail-to-rail input and output capabilities and very low offset voltage. --- ### ## Technical Specifications Below are the primary electrical characteristics of the AD8624ACPZ-R2: | Parameter | Specification | | :--- | :--- | | **Number of Channels** | 4 (Quad) | | **Supply Voltage (Single)** | 5V to 16V | | **Supply Voltage (Dual)** | ±2.5V to ±8V | | **Input Offset Voltage** | 10 µV (Typical), 40 µV (Max) | | **Gain Bandwidth Product** | 5 MHz | | **Slew Rate** | 2.3 V/µs | | **Input Bias Current** | 1 pA (Typical) | | **Output Type** | Rail-to-Rail | | **Package / Case** | 16-LFCSP (3x3 mm) | --- ### ### Key Features and Benefits 1. **High Precision:** The extremely low offset voltage (offset drift of only 0.5 µV/°C) makes it ideal for precision sensor interfaces where accuracy over temperature is critical. 2. **Low Noise:** With a voltage noise density of approximately **11 nV/√Hz**, it is suitable for low-frequency medical and industrial instrumentation. 3. **Rail-to-Rail I/O:** This allows the amplifier to handle input and output signals that swing all the way to the supply rails, maximizing the dynamic range in low-voltage systems. 4. **Low Power Consumption:** Each amplifier consumes roughly 715 µA of supply current, striking a balance between speed and power efficiency. --- ### ### Common Applications * **Photodiode Transimpedance Amplifiers:** Due to its ultra-low input bias current. * **Battery Powered Instrumentation:** High efficiency and precision for portable devices. * **Multipole Filters:** Stable performance across a wide range of frequencies. * **Medical Equipment:** ECG/EKG monitors and pulse oximetry. * **Sensors:** Interfacing with strain gauges and thermocouples. --- ### ### Package Nomenclature (AD8624ACPZ-R2) Understanding the suffix helps in sourcing the part: * **AD8624:** The base model number. * **A:** Performance grade. * **CP:** Indicates the Lead Frame Chip Scale Package (LFCSP). * **Z:** RoHS compliant (Lead-free). * **R2:** Indicates the tape and reel size (7-inch reel, 250 units). ---