The **AD8617ARMZ-R2** is a high-precision, dual-channel operational amplifier (op-amp) manufactured by Analog Devices. It is part of the DigiTrim® family, known for its low offset voltage and rail-to-rail input/output capabilities. --- ### ## Technical Specifications Below are the key technical parameters for the AD8617ARMZ-R2: | Parameter | Specification | | :--- | :--- | | **Number of Channels** | 2 (Dual) | | **Supply Voltage (Single)** | 2.7 V to 5.0 V | | **Supply Voltage (Dual)** | ±1.35 V to ±2.5 V | | **Gain Bandwidth Product** | 400 kHz | | **Offset Voltage (Max)** | 800 µV | | **Input Bias Current** | 1 pA (Typical) | | **Output Type** | Rail-to-Rail | | **Package / Case** | MSOP-8 (ARMZ) | | **Operating Temperature** | -40°C to +125°C | --- ### ## Key Features 1. **Low Power Consumption:** It draws very little current (approx. 38 µA per amplifier), making it ideal for battery-powered devices. 2. **Rail-to-Rail I/O:** Both the input and output can swing to the full range of the supply voltage, maximizing dynamic range in low-voltage systems. 3. **High Input Impedance:** Utilizing CMOS technology, it has extremely low input bias currents (pico-ampere range), which prevents loading errors in high-impedance sensors. 4. **No Phase Reversal:** The device is designed to prevent phase reversal when the input voltage exceeds the supply rails. --- ### ## Pin Configuration (MSOP-8) The AD8617ARMZ-R2 follows a standard dual op-amp pinout: | Pin Number | Symbol | Function | | :--- | :--- | :--- | | 1 | OUT A | Output of Amplifier A | | 2 | -IN A | Inverting Input of Amplifier A | | 3 | +IN A | Non-inverting Input of Amplifier A | | 4 | V- | Negative Supply (or Ground) | | 5 | +IN B | Non-inverting Input of Amplifier B | | 6 | -IN B | Inverting Input of Amplifier B | | 7 | OUT B | Output of Amplifier B | | 8 | V+ | Positive Supply | --- ### ## Common Applications * **Portable Instrumentation:** Due to low power draw. * **Sensor Interfaces:** Photodiode amplification and thermocouple sensors. * **Battery Management:** Monitoring voltage and current in mobile electronics. * **Active Filters:** Low-frequency signal conditioning and filtering. --- ### ## Decoding the Part Number `AD8617` (Model) + `ARMZ` (MSOP Package, RoHS compliant) + `R2` (7-inch reel size, 250 units).