Texas Instruments

OPA2345EA/2K5G4

OPA2345EA/2K5G4 Description

The OPA2345EA/2K5G4 is a dual-channel CMOS operational amplifier from Texas Instruments, designed for high-performance applications requiring low power consumption and excellent signal integrity. This amplifier is part of the MicroAmplifier™ series, known for its compact size and robust performance. The device is available in an 8-VSSOP package, suitable for surface-mount applications, and is REACH unaffected and ROHS3 compliant, ensuring environmental and regulatory compliance.

OPA2345EA/2K5G4 Features

• Wide Supply Voltage Range: Operates from a supply voltage span of 2.5 V to 5.5 V, making it versatile for various power supply configurations.
• High Gain Bandwidth Product: Achieves a gain bandwidth product of 3 MHz, enabling high-frequency signal processing and amplification.
• Low Input Bias Current: Features an extremely low input bias current of 0.2 pA, which minimizes the loading effect on high-impedance sources.
• Low Input Offset Voltage: Maintains a low input offset voltage of 200 µV, ensuring accurate signal amplification and minimal distortion.
• High Slew Rate: Offers a high slew rate of 2 V/µs, allowing for fast response to input signal changes and maintaining signal fidelity.
• Low Power Consumption: Consumes only 150 µA per channel, making it ideal for battery-powered and low-power applications.
• High Output Current: Delivers up to 15 mA per channel, capable of driving moderate loads without significant voltage drop.
• Moisture Sensitivity Level: MSL 2 (1 Year) ensures reliability in various environmental conditions, reducing the risk of moisture-related failures.
• Packaging: Supplied in a Tape & Reel (TR) format, facilitating efficient handling and assembly in automated manufacturing processes.

OPA2345EA/2K5G4 Applications

The OPA2345EA/2K5G4 is well-suited for a variety of applications where low power consumption and high performance are critical. Some specific use cases include:

• Signal Conditioning: Ideal for amplifying and conditioning low-level signals in sensor interfaces, ensuring accurate and reliable data acquisition.
• Audio Applications: Suitable for high-fidelity audio signal processing, providing low distortion and high slew rate for clear audio output.
• Medical Devices: Applicable in medical equipment where low input bias current and low offset voltage are essential for precise measurements.
• Portable Electronics: Perfect for battery-operated devices due to its low power consumption and compact size, extending battery life and reducing power requirements.
• Industrial Control Systems: Useful in industrial applications requiring robust performance and environmental compliance.

Conclusion of OPA2345EA/2K5G4

The OPA2345EA/2K5G4 from Texas Instruments is a versatile and high-performance CMOS operational amplifier, offering a combination of low power consumption, high slew rate, and excellent signal integrity. Its wide supply voltage range and low input bias current make it suitable for a variety of applications, from signal conditioning to audio processing. Despite being marked as obsolete, the OPA2345EA/2K5G4 remains a reliable choice for engineers seeking a compact, high-performance solution in their designs.