LF198AH

$9.29

Description：SAMPLE AND HOLD CIRCUIT, 1 FUNC,
Series：-
Mfr：National Semiconductor
Package：Bulk

SKU:85eda892af1c Category: Instrumentation, Op Amps, Buffer Amps Brand: National Semiconductor

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Product introduction

Product Detailed Parameters

Description：SAMPLE AND HOLD CIRCUIT, 1 FUNC,
Series：-
Mfr：National Semiconductor
Package：Bulk
Amplifier Type：-
Number of Circuits：-
Output Type：-
Slew Rate：-
Gain Bandwidth Product：-
Current - Input Bias：-
Voltage - Input Offset：-
Current - Supply：-
Current - Output / Channel：-
Voltage - Supply Span (Min)：-
Voltage - Supply Span (Max)：-
Operating Temperature：-
Grade：-
Qualification：-
Mounting Type：Through Hole
Package / Case：TO-99-8 Metal Can
Supplier Device Package：TO-99-8
-3db Bandwidth：-

Download product information

LF198AH

Overview

The LF198AH is a monolithic sample and hold amplifier manufactured by Texas Instruments, formerly National Semiconductor. It utilizes BI-FET technology to provide high-speed signal acquisition and holding capabilities. The device operates within a temperature range of -55°C to +125°C and is housed in an 8-lead TO-99 metal can package. Designed for analog input applications, it supports through-hole mounting and is part of the LF198 series.

Feature Summary

Monolithic integration of sample and hold circuitry
BI-FET technology for low bias current operation
Wide operating temperature range suitable for harsh environments

Applications

Data acquisition systems
Analog-to-digital converter front ends
Signal processing circuits requiring precise voltage sampling

Procurement Notes

Verify the manufacturer designation as Texas Instruments, which acquired National Semiconductor's analog division. Confirm the specific suffix 'AH' denotes the military-grade temperature range and performance specifications. Ensure the TO-99-8 package matches the mechanical requirements of the target design before procurement.

Selection Notes

Select this component when high-speed sampling with low droop rate is required in extreme temperature conditions. The BI-FET input stage offers superior performance compared to standard bipolar counterparts. Consider the TO-99 package constraints for PCB layout and thermal management in dense assemblies.

Part Context

This component belongs to the LF198 family of sample and hold amplifiers. It represents the legacy National Semiconductor product line now managed under Texas Instruments. The 'A' grade typically indicates extended temperature and performance specifications compared to commercial variants.

How to buy

Online and offline orders are supported. If the item is available for online purchase, you can place it in the cart; for wholesale pricing, please contact our product manager for a quote.

Payment Method

Payment methods: T/T, WeChat Pay, credit cards, Google Pay, Apple Pay . Buyer covers shipping, fees, duties, and taxes; contact our product manager if you need a contract/procurement process.

Delivery time

In-stock items usually ship within 24 hours. Otherwise, shipment is arranged 1 to 2 days after the items arrive at our warehouse. Timing depends on destination and shipping method.

Freight calculation

Freight cost depends on destination, package size, and weight . We offer shipping options via DHL, FedEx, UPS, and TNT , and can ship using your freight account upon request.

Mode of Transportation

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Return and Refund

Returns are accepted within 60 days of invoice with RMA approval. Items must be resalable; original invoice and test report are required. No returns for customer errors.