LF398M - Texas Instruments

Manufacturer Part Number

LF398M

Manufacturer

Texas Instruments

Introduction

The LF398M is a high-performance sample-and-hold integrated circuit (IC) designed for use in a variety of applications, including data acquisition systems, analog-to-digital converters, and other instrumentation circuits.

Product Features and Performance

High input impedance (10^12 Ohms)

Low input bias current (10 nA)

Low input offset voltage (2 mV)

Wide supply voltage range (10V to 36V)

Low supply current (4.5 mA)

Fast acquisition time (5 microseconds)

Aperture time (35 nanoseconds)

Droop rate (0.5 mV/ms)

Product Advantages

Excellent performance characteristics for sample-and-hold applications

Wide operating voltage range for flexibility in circuit design

Small footprint 14-SOIC package for space-constrained designs

Reliable operation over the extended temperature range of 0°C to 70°C

Key Technical Parameters

Supply Voltage: 10V to 36V

Supply Current: 4.5 mA

Input Offset Voltage: 2 mV

Input Bias Current: 10 nA

Acquisition Time: 5 microseconds

Aperture Time: 35 nanoseconds

Droop Rate: 0.5 mV/ms

Quality and Safety Features

RoHS non-compliant

Reliable operation in surface-mount applications

Compatibility

The LF398M is compatible with a wide range of analog circuits and data acquisition systems.

Application Areas

Data acquisition systems

Analog-to-digital converters

Instrumentation and test equipment

Product Lifecycle

The LF398M is an established product in Texas Instruments' portfolio and is still in production.

Replacement or upgrade options may be available, but the LF398M remains a viable solution for many applications.

Several Key Reasons to Choose This Product

Excellent performance characteristics for sample-and-hold applications

Wide operating voltage range for flexibility in circuit design

Small footprint 14-SOIC package for space-constrained designs

Reliable operation over the extended temperature range of 0°C to 70°C

Long-standing product availability and support from Texas Instruments