The LF/LF/LF are monolithic sample-and-hold circuits which utilize BI- FET .. Use of the curves included with this data sheet should be helpful in se-. The LF LF LF are monolithic sample-and-hold circuits which utilize BI- FET technology to obtain ultra-high dc accuracy with fast acquisition of signal. DESCRIPTION. The LF is a monolithic sample-and-hold circuit which utilizes high-voltage ion-implant JFET technology to obtain ultra-high.

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Product Lifecycle Production At least one model within this product family is in production and available for purchase. Model Package Pins Temp. Package Description The package for this IC ,f398. This is the acceptable operating range of the device.

LF398 Datasheet

The model has been scheduled for obsolescence, but may still be purchased for a limited time. Pricing displayed for Evaluation Boards and Kits dataaheet based on 1-piece pricing.

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At least one model within this product family is in production and available for purchase. Sample availability may be better than production availability. A typical offset voltage of 2mV and gain error of 0. ADI has always placed the highest emphasis on delivering products that meet the maximum levels of quality and reliability.

Please consult the datasheet for more information. Switched Cap Building Blocks. Additionally, the hold capacitor can be driven with ,f398 external signal to provide precision level shifting or “differencing” operation. Select the purchase button to display inventory availability and online purchase options.


It is important to note the scheduled dock date on the order entry screen.

The specific part is obsolete and no longer available. Once an order has been placed, Analog Devices, Inc. The various ranges specified are as follows: The Sample button will be displayed if a model is available for web samples. Comparable Parts Click to see all in Parametric Search. The model is currently being produced, and generally available for purchase and sampling.

Temperature Range This is the acceptable operating range of the device.

LF Datasheet(PDF) – National Semiconductor (TI)

An Evaluation Board is a board engineered to show the performance of the model, the part is included on the board. Status Status indicates the current lifecycle of the product.

The package for this IC i. Indicates the packing option of the model Tube, Reel, Tray, etc.

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National Semiconductor

The product is appropriate for new designs but newer alternatives may exist. We do take orders for items that are not in stock, so delivery may be scheduled at a future date.

Pin Count Pin Count is the number of pins, balls, or pads on the device. The logic inputs are high impedence differential to allow easy interfacing to any logic family without ground loop problems. Pin Count is the number of pins, balls, or pads on the device. For more information about lead-free parts, please consult our Pb Lead free information page. Gain Error 2mV Typ. The model has not been released to general production, but samples may be available.


Most orders ship within 48 hours of this date. Dynamic performance canbe optimized by proper selection of the external hold capacitor. Temperature ranges may vary by model. Transit times from these sites may vary.

The various datashee specified are as follows:. Also, please note the warehouse location for the product ordered. A separate offset adjust pin can be used to zero the offset voltage in either the sample or hold mode. Please Select a Region. The Purchase button will be displayed if model is available for purchase online at Analog Devices or one of our authorized distributors.

The LF is a precision sample and hold amplifier which uses a combination of bipolar and junction FET lf39 to provide precision, high speed, and long hold times. We achieve this by incorporating quality and reliability checks in every scope of product and process design, and in the manufacturing process as well.

International prices may daasheet due to local duties, taxes, fees and exchange rates.

Model The model number is a specific version of a generic that can be purchased or sampled.