STMicroelectronics

OA4ZHA33Q

OA4ZHA33Q Description

The OA4ZHA33Q is a high-performance, zero-drift operational amplifier from STMicroelectronics, designed for precision applications requiring low offset voltage and high gain stability. This quad-channel op-amp is housed in a 16QFN package, making it suitable for surface-mount applications. It offers a wide supply voltage range from 1.8 V to 5.5 V, ensuring flexibility in power supply requirements. The OA4ZHA33Q is characterized by its low input bias current of 70 pA and an impressive gain bandwidth product of 400 kHz, which ensures high performance in signal processing tasks.

OA4ZHA33Q Features

• Zero-Drift Technology: The OA4ZHA33Q employs zero-drift technology, which significantly reduces offset voltage drift over time and temperature, ensuring consistent performance across varying conditions.
• Wide Supply Voltage Range: With a supply voltage range of 1.8 V to 5.5 V, the OA4ZHA33Q is versatile and can operate efficiently in a variety of power supply environments.
• Low Input Bias Current: The input bias current of 70 pA ensures minimal loading on the input signal source, making it ideal for high-impedance applications.
• High Gain Bandwidth Product: The 400 kHz gain bandwidth product allows for high-frequency signal processing, making it suitable for applications requiring wide bandwidth.
• Low Offset Voltage: The voltage input offset of 1 µV ensures high precision in signal amplification, making it ideal for applications where accuracy is critical.
• High Slew Rate: The slew rate of 0.19 V/µs ensures that the amplifier can handle fast-changing signals without distortion.
• Compliance and Reliability: The OA4ZHA33Q is REACH unaffected and ROHS3 compliant, ensuring environmental and regulatory compliance. It also has a moisture sensitivity level (MSL) of 1, making it suitable for unlimited storage without the need for special handling.
• Packaging: The 16QFN package in tape and reel format (TR) is ideal for automated assembly processes, enhancing manufacturing efficiency.

OA4ZHA33Q Applications

The OA4ZHA33Q is well-suited for a variety of applications where precision and reliability are paramount. Key applications include:

• Precision Signal Conditioning: Ideal for applications requiring highprecision- signal amplification and conditioning, such as in medical equipment, instrumentation, and industrial control systems.
• Analog-to-Digital Conversion: The low offset voltage and high gain stability make it suitable for driving analog-to-digital converters (ADCs) in data acquisition systems.
• Sensor Interfaces: The low input bias current and wide supply voltage range make it ideal for interfacing with various sensors, ensuring accurate signal processing.
• Audio Processing: The high gain bandwidth product and low distortion characteristics make it suitable for high-fidelity audio applications.

Conclusion of OA4ZHA33Q

The OA4ZHA33Q from STMicroelectronics is a versatile and high-performance operational amplifier that stands out due to its zero-drift technology, low input bias current, and wide supply voltage range. Its precision and reliability make it an excellent choice for a wide range of applications, from precision signal conditioning to sensor interfacing. The OA4ZHA33Q's compliance with environmental and regulatory standards further enhances its appeal for modern electronics design. Whether in medical, industrial, or consumer applications, the OA4ZHA33Q delivers exceptional performance and reliability, making it a standout choice in the market.