Texas Instruments

LF412CDE4  

OP Amps, Buffer Amps ICs

LF412CDE4 Description

The LF412CDE4 is a dual-channel operational amplifier (op-amp) from Texas Instruments, designed for a wide range of analog signal processing applications. This op-amp features a JFET input stage, offering high input impedance and low input bias current. It is housed in an 8-pin SOIC package, making it suitable for surface-mount applications. The LF412CDE4 operates over a supply voltage range of 7V to 36V and is specified for operation within a temperature range of 0°C to 70°C. Despite its obsolescence, the LF412CDE4 remains a reliable choice for applications requiring high performance and precision.

LF412CDE4 Features

• High Input Impedance: The JFET input stage of the LF412CDE4 provides an input impedance of at least 10^12 ohms, ensuring minimal loading on the source signal.
• Low Input Bias Current: With an input bias current of only 50 pA, the LF412CDE4 minimizes the impact on sensitive input signals, making it ideal for high-impedance applications.
• Wide Supply Voltage Range: The LF412CDE4 can operate from a supply voltage as low as 7V up to 36V, providing flexibility in power supply design.
• High Slew Rate: A slew rate of 13V/µs ensures the LF412CDE4 can handle high-frequency signals with minimal distortion.
• Gain Bandwidth Product: With a gain bandwidth product of 3 MHz, the LF412CDE4 is well-suited for applications requiring high-frequency signal processing.
• Low Input Offset Voltage: The LF412CDE4 has a low input offset voltage of 500 µV, contributing to high accuracy in signal amplification.
• Surface Mount Compatibility: The 8-pin SOIC package is designed for surface-mount technology, facilitating integration into compact and high-density PCB designs.
• Compliance and Safety: The LF412CDE4 is REACH unaffected and RoHS3 compliant, ensuring it meets environmental and safety standards.
• Moisture Sensitivity Level: With an MSL of 1 (unlimited), the LF412CDE4 is suitable for storage and handling in various environmental conditions.

LF412CDE4 Applications

The LF412CDE4 is well-suited for a variety of applications due to its high performance and flexibility. Some specific use cases include:

• Precision Signal Amplification: The low input bias current and high input impedance make the LF412CDE4 ideal for amplifying weak or high-impedance signals, such as those from sensors or transducers.
• Analog Filters: Its high gain bandwidth product and slew rate enable the LF412CDE4 to be used in active filter designs, providing precise signal shaping and filtering.
• Buffer Amplifiers: The LF412CDE4 can serve as a buffer amplifier, driving low-impedance loads without loading down the source signal.
• Instrumentation and Measurement Equipment: The high accuracy and low offset voltage of the LF412CDE4 make it suitable for precision instrumentation and measurement applications.
• Audio Signal Processing: The wide supply voltage range and high slew rate allow the LF412CDE4 to handle audio signals with minimal distortion, making it a good fit for audio equipment.

Conclusion of LF412CDE4

The LF412CDE4 from Texas Instruments is a versatile and high-performance dual-channel op-amp with a JFET input stage. Its wide supply voltage range, low input bias current, and high slew rate make it suitable for a variety of analog signal processing applications. Despite being marked as obsolete, the LF412CDE4 remains a reliable choice for applications requiring precision and flexibility. Its compliance with environmental and safety standards ensures it meets modern manufacturing requirements. For applications needing high input impedance, low offset voltage, and high-frequency performance, the LF412CDE4 is an excellent choice.

LF412CDE4 Documents

Download datasheets and manufacturer documentation for LF412CDE4

Datasheets :

LF412C      

PCN Obsolescence/ EOL :

EOL NOTICE 17/Feb/2023       EOL PDN20230217005.3A 23/Feb/2023      

HTML Datasheet :

LF412C