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Updated at 01/11/2025 10:30:15(UTC+8)

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Description

The LF298M is a monolithic Sample-and-Hold Circuit for use with synchronous correlators. The monolithic sample-and-hold circuit use BI-FET technology to obtain ultrahigh DC accuracy with fast acquisition of signal and low droop rate. Operating as unity-gain follower, DC gain accuracy is 0.002% typical and acquisition time is as low as 6µs to 0.01%. A bipolar input stage is used to achieve low offset voltage and wide bandwidth. Input offset adjust is accomplished with a single pin and does not degrade input offset drift. The wide bandwidth allows the LF198-N to be included inside the feedback loop of 1MHz operational amplifiers without having stability problems. P-channel junction FETs are combined with bipolar devices in the output amplifier to give droop rates as low as 5mV/minute with a 1µF hold capacitor.
Logic input compatible with TTL, PMOS and CMOS
Low input offset
Low output noise in hold mode
High supply rejection ratio in sample or hold
Wide bandwidth
0.1nA Maximum input bias current
0.002% Gain accuracy
0.5mV Typical hold step at Ch=0.01µF
Green product and no Sb/Br

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LF298M Specifications

Attribute	Attribute Value

Datasheet	Datasheet
3D Model	3D Model
Mounting Style	Surface Mount
Number of Pins	14 Pin
Case/Package	SOIC-14
Supply Voltage (DC)	18.0 V
Supply Current	4.5 mA
Number of Circuits	1 Circuit
Number of Positions	14 Position
Input Offset Voltage	3 mV
Input Bias Current	5 nA
Operating Temperature (Max)	85 ℃
Operating Temperature (Min)	-25 ℃
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Size-Length	8.65 mm
Size-Width	3.9 mm
Operating Temperature	-25℃ ~ 85℃
Product Lifecycle Status	Active
Packaging	Each
RoHS	Non-Compliant
Lead-Free Status	Contains Lead
REACH SVHC Compliance	No SVHC
REACH SVHC Compliance Edition	2015/06/15
ECCN Code	EAR99

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