Texas Instruments

LF347BD  

OP Amps, Buffer Amps ICs

LF347BD Description

The LF347BD from Texas Instruments is a high-performance JFET-input operational amplifier housed in a 14-SOIC package. Designed for precision analog applications, it integrates four independent op-amps in a single IC, offering a wide supply voltage range (7V to 36V) and low input bias current (50 pA). With a 3 MHz gain bandwidth product and 13V/µs slew rate, it delivers fast signal processing while maintaining stability. The device operates over a 0°C to 70°C temperature range, making it suitable for industrial and commercial environments. Its RoHS3 compliance and REACH-unaffected status ensure adherence to environmental regulations.

LF347BD Features

• Low Input Bias Current (50 pA): Minimizes errors in high-impedance circuits.
• High Slew Rate (13V/µs): Ensures rapid response to input signal changes.
• Wide Supply Voltage Range (7V–36V): Versatile for various power configurations.
• JFET Input Stage: Provides high input impedance and low noise.
• 4-Channel Integration: Saves board space and reduces component count.
• Low Power Consumption (8mA per channel): Ideal for battery-operated systems.
• Stable Performance: MSL 1 (Unlimited) rating ensures reliability in storage and handling.

LF347BD Applications

The LF347BD excels in applications requiring precision amplification, filtering, or signal conditioning, such as:

• Active Filters & Instrumentation Amplifiers: Due to its low noise and high input impedance.
• Data Acquisition Systems: Leveraging its wide bandwidth and fast slew rate.
• Audio Processing & Preamplifiers: Benefiting from JFET input’s low distortion.
• Industrial Control Systems: Where robust performance under varying voltages is critical.
• Medical Equipment: Due to low bias current and high accuracy.

Conclusion of LF347BD

The LF347BD stands out as a versatile, high-performance quad JFET op-amp, combining low power consumption, high speed, and precision. Its 4-channel integration and wide operating voltage make it ideal for space-constrained and power-sensitive designs. While classified as Last Time Buy, its reliability and compliance ensure it remains a preferred choice for legacy and new designs in industrial, audio, and measurement systems. Engineers seeking a balance of speed, accuracy, and efficiency will find the LF347BD a compelling solution.

LF347BD Documents

Download datasheets and manufacturer documentation for LF347BD

Datasheets :

LF347(B)      

PCN Obsolescence/ EOL :

EOL NOTICE 17/Feb/2023      

HTML Datasheet :

LF347(B)      

PCN Design/Specification :

Mult Devices Font 21/Apr/2018