Texas Instruments

LF347DRG4  

OP Amps, Buffer Amps ICs

LF347DRG4 Description

The LF347DRG4 is a high-performance, quad operational amplifier (op-amp) from Texas Instruments, designed for a wide range of linear applications. This IC features a JFET input stage, offering low input bias current and high input impedance, which makes it ideal for precision signal processing. The LF347DRG4 is housed in a 14-pin SOIC package, suitable for surface-mount applications, and is available in a tape and reel format for automated assembly processes.

LF347DRG4 Features

• Supply Voltage Range: The LF347DRG4 operates over a wide supply voltage range, from 7 V to 36 V, making it versatile for various power supply configurations.
• Gain Bandwidth Product: With a gain bandwidth product of 3 MHz, this op-amp can handle high-frequency signals with minimal distortion, ensuring accurate signal amplification.
• Slew Rate: The 13 V/µs slew rate allows for fast response times, which is crucial for applications requiring rapid signal transitions.
• Low Input Bias Current: The input bias current is as low as 50 pA, which minimizes the loading effect on the input signal source, preserving signal integrity.
• Supply Current: Each of the four channels consumes only 8 mA, resulting in a total supply current of 32 mA, which is efficient for power-sensitive designs.
• Output Current: Each channel can deliver up to 04 mA of output current, providing robust drive capabilities for various loads.
• Operating Temperature: The LF347DRG4 is rated for operation between 0°C and 70°C, making it suitable for broad a range of ambient conditions.
• Compliance and Safety: The device is REACH unaffected and ROHS3 compliant, ensuring it meets environmental and safety standards.
• Moisture Sensitivity Level: With an MSL of 1 (unlimited), the LF347DRG4 is highly resistant to moisture, reducing the risk of damage during assembly and storage.

LF347DRG4 Applications

The LF347DRG4 is well-suited for a variety of applications due to its high performance and versatility. Some specific use cases include:

• Signal Processing: Ideal for amplifying and conditioning low-level signals in precision instrumentation and measurement systems.
• Audio Applications: Suitable for high-fidelity audio amplifiers and preamplifiers due to its low distortion and wide bandwidth.
• Industrial Control: Can be used in control systems where high input impedance and low bias current are critical for maintaining signal accuracy.
• Medical Equipment: Applicable in medical devices that require precise signal processing and low-noise performance.
• Automotive Electronics: Useful in automotive applications where robustness and reliability are paramount.

Conclusion of LF347DRG4

The LF347DRG4 from Texas Instruments is a versatile and high-performance quad op-amp that offers significant advantages over similar models. Its wide supply voltage range, low input bias current, and high slew rate make it suitable for a variety of demanding applications. The device's compliance with environmental and safety standards, along with its robust moisture resistance, ensures reliability and longevity in various operating conditions. While the LF347DRG4 is now considered obsolete, its legacy as a reliable and high-performance op-amp continues to make it a valuable component in many existing designs.

LF347DRG4 Documents

Download datasheets and manufacturer documentation for LF347DRG4

Datasheets :

LF347(B)      

PCN Obsolescence/ EOL :

EOL 22/Jun/2023      

HTML Datasheet :

LF347(B)      

PCN Design/Specification :

Mult Dev 21/Dec/2022