Texas Instruments

LF398N  

OP Amps, Buffer Amps ICs

LF398N Description

The LF398N is a sample-and-hold amplifier designed by Texas Instruments, known for its robust performance and reliability in various electronic applications. This linear IC chip features a through-hole mounting type, making it suitable for applications requiring high mechanical stability and ease of installation. The LF398N operates within a supply voltage range of 10 V to 36 V, providing flexibility in power supply requirements. It is rated for an operating temperature range of 0°C to 70°C, ensuring stable performance in moderate environmental conditions.

LF398N Features

• Supply Voltage Range: The LF398N can operate within a wide supply voltage range of 10 V to 36 V, offering versatility in power supply options.
• Low Input Bias Current: With an input bias current of only 10 nA, the LF398N minimizes the impact of input current on the overall circuit performance, ensuring high accuracy in sample-and-hold operations.
• Low Input Offset Voltage: The 2 mV input offset voltage ensures minimal error in the sampled signal, enhancing the precision of the amplifier.
• Supply Current: The LF398N draws a supply current of 4.5 mA, making it energy-efficient for applications where power consumption is a concern.
• Single Circuit Design: The LF398N is designed with a single circuit, simplifying the design and reducing the complexity of the overall system.
• Through-Hole Mounting: The through-hole mounting type provides mechanical stability and ease of installation, making it suitable for a wide range of applications.
• Packaging: Available in a tube package, the LF398N ensures safe handling and storage, reducing the risk of damage during transportation and assembly.
• Compliance: The LF398N is REACH unaffected and classified under HTSUS code 8542.33.0001, ensuring compliance with international regulations.

LF398N Applications

The LF398N is ideal for applications requiring high-precision sample-and-hold operations. Its low input bias current and low input offset voltage make it suitable for applications where signal accuracy is critical. Some specific use cases include:

• Analog-to-Digital Converters (ADCs): The LF398N can be used to sample and hold analog signals before they are converted to digital form, ensuring accurate and stable signal capture.
• Data Acquisition Systems: In systems where precise and reliable data capture is essential, the LF398N can be employed to hold the sampled signal for further processing.
• Signal Processing Circuits: The LF398N can be integrated into signal processing circuits to temporarily store signal values, facilitating complex signal manipulations.
• Medical Equipment: In medical devices requiring precise signal sampling, the LF398N can provide reliable and accurate performance.

Conclusion of LF398N

The LF398N from Texas Instruments is a versatile and reliable sample-and-hold amplifier, offering a wide supply voltage range, low input bias current, and low input offset voltage. Its through-hole mounting type and single circuit design make it suitable for a variety of applications, including ADCs, data acquisition systems, and signal processing circuits. Despite being marked as obsolete, the LF398N remains a valuable component for applications requiring high-precision signal sampling and holding. Its compliance with international regulations and availability in a tube package further enhance its suitability for various industrial and medical applications.

LF398N Documents

Download datasheets and manufacturer documentation for LF398N