Texas Instruments

OPA343UA/2K5  

OP Amps, Buffer Amps ICs

OPA343UA/2K5 Description

The OPA343UA/2K5 is a high-performance operational amplifier (op-amp) from Texas Instruments, designed for general-purpose applications. This op-amp is part of the MicroAmplifier™ series, known for its excellent performance and reliability. The OPA343UA/2K5 features a wide supply voltage range from 2.5 V to 5.5 V, making it suitable for both low-voltage and higher-voltage applications. It offers a gain bandwidth product of 5.5 MHz, ensuring high-frequency performance without compromising stability. The op-amp has a low input bias current of 0.2 pA, which is crucial for high-impedance signal sources, and a low input offset voltage of 2 mV, ensuring accurate signal amplification. The OPA343UA/2K5 also boasts a high slew rate of 6 V/µs, enabling it to handle fast-changing signals efficiently. With a supply current of 850 µA, it is designed for low-power consumption, making it ideal for battery-operated devices. The op-amp is available in a surface-mount 8-SOIC package, which is suitable for compact designs and high-density PCB layouts.

OPA343UA/2K5 Features

• Wide Supply Voltage Range: Operates from 2.5 V to 5.5 V, providing flexibility for various power supply configurations.
• High Gain Bandwidth Product: 5.5 MHz ensures high-frequency performance, making it suitable for applications requiring wide bandwidth.
• Low Input Bias Current: 0.2 pA, ideal for high-impedance signal sources, reducing the impact of input current on the signal.
• Low Input Offset Voltage: 2 mV, ensuring accurate amplification and minimizing errors in signal processing.
• High Slew Rate: 6 V/µs, enabling the op-amp to handle fast signal transitions without distortion.
• Low Power Consumption: 850 µA supply current, suitable for low-power applications and battery-operated devices.
• Surface-Mount Package: 8-SOIC package, ideal for compact designs and high-density PCB layouts.
• Compliance and Reliability: REACH unaffected and ROHS3 compliant, ensuring environmental and safety standards are met.
• Moisture Sensitivity Level: MSL 2 (1 Year), providing protection against moisture during storage and handling.

OPA343UA/2K5 Applications

The OPA343UA/2K5 is well-suited for a variety of applications due to its versatile performance characteristics. Some specific use cases include:

• Signal Conditioning: Ideal for amplifying and conditioning low-level signals in sensor interfaces and data acquisition systems.
• Audio Applications: Suitable for audio amplifiers and preamplifiers, where low noise and high bandwidth are critical.
• Instrumentation: Used in precision measurement equipment, where low input bias current and low offset voltage are essential.
• Battery-Powered Devices: Its low power consumption makes it suitable for portable and battery-operated devices, such as handheld instruments and wearable technology.
• Consumer Electronics: Can be used in a wide range of consumer electronics, including smartphones, tablets, and IoT devices, where compact size and low power consumption are important.

Conclusion of OPA343UA/2K5

The OPA343UA/2K5 from Texas Instruments is a versatile and high-performance op-amp that offers a combination of wide supply voltage range, high gain bandwidth, low input bias current, and low power consumption. Its low input offset voltage and high slew rate make it suitable for a wide range of applications, from signal conditioning to audio amplification. The surface-mount 8-SOIC package ensures it can be easily integrated into compact and high-density designs. With its compliance to environmental and safety standards, the OPA343UA/2K5 is a reliable choice for engineers and designers looking for a robust and efficient op-amp solution.

OPA343UA/2K5 Documents

Download datasheets and manufacturer documentation for OPA343UA/2K5

Datasheets :

OPA4343EA/250G4      

PCN Design/Specification :

Design 25/Feb/2022       Mult Dev 27/Jul/2023