The OPA2228PG4 is a high-precision operational amplifier (op-amp) from Texas Instruments, designed to offer a perfect blend of low noise and high speed for a wide range of applications. This precision op-amp is part of the OPAx228 series of amplifiers which are known for their excellent linearity and minimal distortion, making them ideal for high-fidelity audio, test and measurement equipment, and professional-grade instrumentation.
The OPA2228PG4 operates over a wide supply range of ±4V to ±18V and features a dual op-amp configuration. It is characterized by a low offset voltage of just 25 µV and a low drift of 0.1 µV/°C, ensuring stable performance over temperature variations. With a bandwidth of 33 MHz and a slew rate of 22 V/µs, it provides the speed necessary for demanding signal processing tasks while maintaining a low total harmonic distortion (THD) of 0.00008%, preserving signal fidelity.
The device comes in a 14-pin TSSOP (Thin Shrink Small Outline Package) which is suitable for space-constrained applications. The OPA2228PG4 also boasts a low noise density of 3.5 nV/√Hz at 1 kHz, making it an excellent choice for applications that require a clean signal path with minimal interference.
With a quiescent current of just 5.2 mA per channel, the OPA2228PG4 is an energy-efficient solution for battery-operated devices. Its wide common-mode and differential voltage ranges, along with its high input impedance, make it versatile for use in a variety of circuit configurations.
Texas Instruments has equipped the OPA2228PG4 with built-in ESD (Electrostatic Discharge) protection, ensuring the device's robustness in the face of electrical transients. The op-amp is also fully specified for operation from -40°C to +85°C, enabling its use in industrial environments with challenging temperature conditions.
In summary, the OPA2228PG4 from Texas Instruments stands out as a high-performance operational amplifier that combines precision, speed, and low-power consumption, making it a top choice for engineers looking to enhance the accuracy and efficiency of their electronic designs.