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LSK389 The LSK389 series is an ultra-low noise, monolithic dual N-Channel JFET from Linear Systems. It offers a balance of very low noise and input capacitance, suitable for precision instrumentation.
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LSK389

Available from 1 distributors
Mfr Name: Linear Technology
Linear Technology
The LSK389 series is an ultra-low noise, monolithic dual N-Channel JFET from Linear Systems. It offers a balance of very low noise and input capacitance, suitable for precision instrumentation.
✓ Total Stock: 14,600 pcs

LSK389 Available from 1 distributor

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✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Optech Co.,Limited ✓
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14,600 pcs
On Request
14600 pcs On Request 1 On Request On Request 12+ On Request On Request
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LSK389 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
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Input Capacitance
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LSK389 Description

Short technical summary and product information.

The LSK389 series by Linear Systems comprises high-performance monolithic dual N-Channel JFETs designed for precision instrumentation applications. These devices are characterized by extremely low noise levels, with typical noise voltage (en) measuring 1.3nV/√Hz, and low input capacitance (Ciss) of 25pF. This combination provides an optimal balance for sensitive analog circuits.

 

The LSK389 series is the only 100-percent noise-tested JFET available, ensuring consistent performance. It is offered in multiple package options, including TO-71 6L, SOIC 8L, and die form, catering to various design requirements. Advanced screening options are also available for specialized applications.

 

These JFETs are targeted for use in a wide range of precision instrumentation, leveraging their tight offset voltage and low drift over temperature specifications. The availability in different grades (A, B, C, D) allows for selection based on specific offset and drift requirements.

LSK389 Quick Information

Product Type: N-Channel Dual JFET
Series: LSK389
Canonical Name: LSK389 Series N-Channel Dual JFET
Subcategory: Dual N-Channel

LSK389 Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

LSK389 Features

  • Ultra-low noise performance (1.3nV/√Hz).
  • Low input capacitance (25pF).
  • Monolithic dual N-Channel JFET.
  • Available in TO-71, SOIC, and die.
  • 100-percent noise tested.

LSK389 Applications

  • Ideal for audio preamplifier stages.
  • Used in precision instrumentation circuits.
  • Suitable for low-noise sensor interfaces.
  • Applicable in high-gain amplifier designs.
  • Can be used in hybrid circuit assemblies.

LSK389 FAQs

3 frequently asked questions generated from this part’s specifications.
What is the typical noise voltage for the LSK389 series JFET?

The typical noise voltage (en) for the LSK389 series is 1.3nV/√Hz.

What is the input capacitance of the LSK389 series JFET?

The typical input capacitance (Ciss) for the LSK389 series is 25pF.

What package options are available for the LSK389 series?

The LSK389 series is available in TO-71 6L, SOIC 8L, and die form.

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