Texas Instruments

OPA349UA  

OP Amps, Buffer Amps ICs

OPA349UA Description

The OPA349UA is a high-performance, general-purpose operational amplifier designed by Texas Instruments. This device is optimized for low power consumption and high input impedance, making it ideal for a wide range of applications. The OPA349UA features a supply voltage range from 1.8 V to 5.5 V, allowing it to operate efficiently in various power supply environments. With a gain bandwidth product of 70 kHz, it provides stable performance across a broad frequency spectrum. The amplifier's input bias current is an ultra-low 0.5 pA, ensuring minimal signal distortion and high accuracy in precision applications.

OPA349UA Features

• Low Power Consumption: The OPA349UA operates with a supply current of just 1µA, making it highly energy-efficient and suitable for battery-powered devices.
• High Input Impedance: With an input bias current of 0.5 pA, this operational amplifier minimizes loading effects on sensitive input sources, ensuring high-fidelity signal processing.
• Wide Supply Voltage Range: The device supports a supply voltage range from 1.8 V to 5.5 V, providing flexibility in power supply design.
• Precision Performance: The OPA349UA offers a voltage input offset of 2 mV, ensuring accurate signal amplification and minimal error.
• Low Noise and Distortion: The amplifier's low noise and distortion characteristics make it suitable for applications requiring high signal integrity.
• Compliance and Reliability: The OPA349UA is REACH unaffected and RoHS3 compliant, ensuring environmental safety and regulatory compliance. It also has a moisture sensitivity level (MSL) of 2, suitable for long-term storage and assembly processes.

OPA349UA Applications

The OPA349UA is well-suited for a variety of applications due to its versatile performance and low power consumption. Key applications include:

• Battery-Powered Devices: The low supply current of 1µA makes the OPA349UA ideal for portable and battery-operated equipment, where power efficiency is critical.
• Precision Signal Conditioning: The high input impedance and low input bias current make it suitable for precision signal conditioning in medical and scientific instruments.
• Analog-to-Digital Converters (ADC) Interfaces: The OPA349UA can be used as a buffer or driver for ADCs, ensuring accurate signal transmission and minimal distortion.
• General-Purpose Amplification: Its general-purpose design allows it to be used in a wide range of analog circuits, including signal amplification, filtering, and voltage level shifting.

Conclusion of OPA349UA

The OPA349UA from Texas Instruments is a versatile and high-performance operational amplifier that excels in low power consumption and precision signal processing. Its wide supply voltage range, high input impedance, and low input bias current make it suitable for a variety of applications, from portable devices to precision instrumentation. With its compliance to REACH and RoHS3 standards, the OPA349UA ensures environmental safety and regulatory compliance. Whether used in battery-powered devices, precision signal conditioning, or ADC interfaces, the OPA349UA delivers reliable performance and is an excellent choice for engineers seeking a general-purpose operational amplifier.

OPA349UA Documents

Download datasheets and manufacturer documentation for OPA349UA

Datasheets :

OPA349, 2349      

HTML Datasheet :

OPA349, 2349