Texas Instruments

OPA2345EA/250

OPA2345EA/250 Description

The OPA2345EA/250 from Texas Instruments is a high-performance, CMOS-based operational amplifier belonging to the MicroAmplifier™ series. Designed for precision analog applications, this dual-channel op-amp operates over a 2.5V to 5.5V supply range, making it ideal for low-voltage systems. With an ultra-low input bias current of 0.2 pA and a minimal input offset voltage of 200 µV, it ensures high accuracy in signal conditioning. The device features a 3 MHz gain bandwidth product (GBW) and a 2V/µs slew rate, enabling fast signal processing while consuming only 150µA per channel. Packaged in an 8-VSSOP and available in Tape & Reel (TR), it is optimized for surface-mount applications in space-constrained designs.

OPA2345EA/250 Features

• Ultra-Low Power: 150µA/channel supply current extends battery life in portable devices.
• Precision Performance: 0.2 pA input bias current and 200 µV offset voltage enhance signal integrity.
• Wide Supply Range: 2.5V to 5.5V operation supports both single and dual-supply configurations.
• High Speed: 3 MHz GBW and 2V/µs slew rate for dynamic signal processing.
• Robust Packaging: 8-VSSOP with MSL 2 (1 Year) rating ensures reliability in humid environments.
• Compliance: ROHS3 Compliant and REACH Unaffected, meeting environmental standards.

OPA2345EA/250 Applications

• Portable Electronics: Ideal for sensor interfaces and battery-powered systems due to low power consumption.
• Medical Devices: Suitable for biopotential amplifiers and portable monitors requiring high precision.
• Industrial Controls: Used in PLC analog I/O modules and data acquisition systems for accurate signal conditioning.
• Consumer Audio: Enhances headphone amplifiers and active filters with low distortion.
• IoT Sensors: Optimized for low-voltage sensor nodes in wireless networks.

Conclusion of OPA2345EA/250

The OPA2345EA/250 combines low power, precision, and versatility, making it a standout choice for modern analog designs. Its CMOS architecture and wide supply range cater to demanding applications in medical, industrial, and portable electronics. With TI’s reliability and compliance with global standards, this op-amp is a robust solution for engineers seeking performance in constrained environments.