Texas Instruments

OPA4191ID  

OP Amps, Buffer Amps ICs

OPA4191ID Description

The OPA4191ID is a high-performance CMOS operational amplifier from Texas Instruments, designed for a wide range of applications requiring precision and reliability. This quad-channel op-amp features a wide supply voltage range, from 4.5 V to 36 V, making it suitable for both low-voltage and high-voltage systems. The OPA4191ID offers a gain bandwidth product of 2.5 MHz, ensuring high-frequency performance while maintaining low input bias current at 5 pA. With a supply current of only 140 µA across four channels, this op-amp is highly efficient, making it ideal for battery-powered and energy-sensitive applications.

OPA4191ID Features

• Wide Supply Voltage Range: The OPA4191ID operates from 4.5 V to 36 V, providing flexibility for various power supply configurations.
• High Gain Bandwidth Product: With a gain bandwidth product of 2.5 MHz, this op-amp delivers excellent performance in high-frequency applications.
• Low Input Bias Current: At only 5 pA, the low input bias current minimizes the impact on sensitive circuits, ensuring accurate signal processing.
• High Slew Rate: A slew rate of 5 V/µs allows for fast transient response, making it suitable for applications requiring rapid signal changes.
• Low Input Offset Voltage: The 5 µV input offset voltage ensures high precision in signal amplification and processing.
• Efficient Power Consumption: The supply current of 140 µA across four channels makes the OPA4191ID highly energy-efficient.
• High Output Current: Each channel can deliver up to 65 mA, providing robust performance in demanding applications.
• Surface Mount Packaging: The 14SOIC package is ideal for compact and reliable surface-mount applications.
• Compliance and Reliability: The OPA4191ID is REACH unaffected and RoHS3 compliant, ensuring environmental and regulatory compliance. It also has a moisture sensitivity level (MSL) of 3, making it suitable for various manufacturing environments.

OPA4191ID Applications

The OPA4191ID 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 sensors and transducers.
• Instrumentation: Suitable for precision measurement equipment where accuracy and low noise are critical.
• Audio Processing: The low input bias current and high slew rate make it suitable for high-fidelity audio amplifiers.
• Power Management: The wide supply voltage range and efficient power consumption make it ideal for power management circuits in portable devices.
• Industrial Control: The robust performance and high output current are beneficial for industrial control systems requiring reliable signal processing.

Conclusion of OPA4191ID

The OPA4191ID from Texas Instruments stands out as a versatile and high-performance CMOS operational amplifier. Its wide supply voltage range, low input bias current, and high gain bandwidth product make it suitable for a diverse range of applications. The low power consumption and high output current further enhance its appeal for both low-power and high-performance systems. With its compliance to environmental and regulatory standards, the OPA4191ID is a reliable choice for engineers and designers looking for a precision op-amp in a compact, surface-mount package.

OPA4191ID Documents

Download datasheets and manufacturer documentation for OPA4191ID

Datasheets :

Signal e-Book: OP Amp Design Topics       OPA191, 2191, 4191 Datasheet      

HTML Datasheet :

OPA191, 2191, 4191 Datasheet      

PCN Design/Specification :

Design 25/Feb/2022