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Product Detailed Parameters
- Description：LF198-N MONOLITHIC SAMPLE AND HO
- Series：-
- Mfr：Texas Instruments
- Package：Bulk
- Amplifier Type：Sample and Hold
- Number of Circuits：1
- Output Type：-
- Slew Rate：-
- Gain Bandwidth Product：-
- Current - Input Bias：5 nA
- Voltage - Input Offset：1 mV
- Current - Supply：4.5mA
- Current - Output / Channel：-
- Voltage - Supply Span (Min)：10 V
- Voltage - Supply Span (Max)：36 V
- Operating Temperature：-55°C ~ 125°C
- Grade：-
- Qualification：-
- Mounting Type：Through Hole
- Package / Case：TO-99-8 Metal Can
- Supplier Device Package：TO-99-8
- -3db Bandwidth：-
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Overview
The LF198H/NOPB is a monolithic sample and hold amplifier manufactured by Texas Instruments. It utilizes Bi-FET technology to provide high-speed analog signal processing within a single integrated circuit. The device operates in an extended industrial temperature range from -55°C to +125°C, ensuring reliability in harsh environments. It is housed in a TO-99-8 metal can package designed for through-hole mounting. This component serves as a precision analog interface for capturing and maintaining voltage levels during data conversion cycles.
Feature Summary
- Monolithic integration of sample and hold functions using Bi-FET technology
- Extended operational capability across wide industrial temperature ranges
- Robust metal can packaging suitable for demanding environmental conditions
Applications
- Precision analog signal acquisition systems
- High-speed data acquisition circuits
- Industrial instrumentation requiring wide temperature stability
Procurement Notes
Verify the specific suffix 'H' indicates the military-grade or extended temperature variant when sourcing. Confirm the TO-99-8 package dimensions match your PCB footprint requirements. Ensure the Bi-FET input characteristics align with your system's impedance needs. Cross-reference the datasheet revision date to confirm current manufacturing specifications before finalizing procurement orders.
Selection Notes
Select this component when wide temperature operation is critical for the application environment. The Bi-FET input stage offers distinct advantages over standard bipolar inputs regarding leakage currents. Consider the through-hole mounting requirement against available board space. Evaluate the need for a metal can package versus plastic alternatives based on shielding and durability requirements.
Part Context
This part belongs to the LF198 series of sample and hold amplifiers. It shares functional similarities with other members like the LF398 but differs in temperature rating and package options. The 'H' designation typically denotes enhanced performance specifications compared to commercial grade variants. It fits within Texas Instruments' broader portfolio of precision analog signal conditioning components.
