OPA2277UA
The OPA2277UA is a precision operational amplifier and buffer made by Texas Instruments. It has a gain bandwidth product of 1 MHz and a slew rate of 0.8V per microsecond. It guarantees accurate signal processing with a low input offset voltage of 20 µV and a low input bias current of 4 nA.
Description
Feature
The OPA2277UA operational amplifier (op-amp) is designed to stay stable at unity gain and ensures no unexpected output phase reversals, making it easy to use in various applications. It's recommended to include decoupling capacitors close to the device pins, typically 0.1-μF capacitors, especially in environments with noisy or high-impedance power supplies. This op-amp series has low offset voltage and drift, but for optimal performance, attention to circuit layout and mechanical conditions is crucial. Offset voltage and drift can be affected by small thermoelectric potentials at the op-amp inputs, which may result from connections of dissimilar metals. To address this, ensure similar thermal mass between the input terminals, keep heat sources away from critical input circuitry, and shield the op-amp and input circuitry from air currents. With a slew rate of 0.8V/µs, gain bandwidth product of 1 MHz, low input bias current of 4 nA, and minimal input offset voltage of 20 µV, this op-amp suits a wide range of applications, operating within temperatures from -40°C to 85°C and a supply voltage range of 4V to 36V.
Operating Voltage Range
The OPA277 series are remarkably versatile, operating within a wide range of supply voltages (±2V to ±18V). This broad voltage range guarantees important parameters from ±5V to ±15V supplies, ensuring consistent performance across a range of real-world applications. Customers using this voltage range, say ±10V, should therefore anticipate the same guaranteed level of performance as those using ±15V supplies. Furthermore, crucial parameters are kept within the designated -40°C to 85°C temperature range, guaranteeing operational stability and dependability under a variety of operating circumstances.
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