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Product Detailed Parameters
- Description：JFET 2N-CH 40V TO71
- Series：2N5564
- Mfr：Linear Integrated Systems, Inc.
- Package：Bulk
- FET Type：2 N-Channel (Dual)
- Voltage - Breakdown (V(BR)GSS)：40 V
- Drain to Source Voltage (Vdss)：-
- Current - Drain (Idss) @ Vds (Vgs=0)：7 mA @ 15 V
- Current Drain (Id) - Max：-
- Voltage - Cutoff (VGS off) @ Id：500 mV @ 2 mA
- Input Capacitance (Ciss) (Max) @ Vds：25pF @ 15V
- Resistance - RDS(On)：50 Ohms
- Power - Max：500 mW
- Operating Temperature：-55°C ~ 150°C (TJ)
- Mounting Type：Through Hole
- Package / Case：TO-71-6 Metal Can
- Supplier Device Package：TO-71
- Grade：-
- Qualification：-
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Overview
The LS5564 is a monolithic dual N-channel JFET amplifier designed as a replacement for the SILICONIX and NATIONAL 2N5564 series. It integrates two matched JFETs on a single die to ensure high precision and stability. Key electrical characteristics include a Gate to Source Breakdown Voltage (BVGSS) of -40V, a Gate to Source Cutoff Voltage (VGS(off)) ranging from -0.5V to -3.0V, and a Drain to Source Saturation Current (IDSS) between 7mA and 40mA. The device offers a typical forward transconductance (gfs) of 9mS at 1kHz and a Common Mode Rejection Ratio (CMRR) of 76dB. Dynamic performance includes an input capacitance (Ciss) of 25pF and a noise figure of 1dB.
Feature Summary
- Monolithic dual N-channel JFET design for enhanced matching
- High common mode rejection ratio for precision applications
- Low noise figure suitable for sensitive signal amplification
Applications
- Precision differential amplifiers
- Instrumentation front-ends
- Low-noise analog signal processing circuits
Procurement Notes
Verify the specific suffix 'TO-71 6L ROHS' against the manufacturer's current package options to confirm lead frame material and compliance status. Ensure the ordering code matches the exact LS5564 variant required for your circuit design. Cross-reference the datasheet revision date with your supply chain requirements to avoid obsolete stock issues.
Selection Notes
Select the LS5564 when high matching accuracy between dual JFET channels is critical. Compare the VGS(off) and IDSS ranges against your circuit's biasing requirements. Consider the TO-71 package constraints for thermal management and board space. Evaluate the noise figure and CMRR specifications relative to your signal integrity needs compared to discrete alternatives.
Part Context
The LS5564 belongs to the LS5564 Series, which also includes the LS5565 and LS5566 variants. These parts are positioned as direct replacements for legacy 2N5564 series components from other manufacturers. The series utilizes proprietary monolithic processes developed by Linear Integrated Systems to achieve superior matching and performance compared to standard discrete JFET pairs.
Replacement Considerations
This component serves as a direct replacement for the SILICONIX and NATIONAL 2N5564 series. Verify pinout compatibility and electrical parameter tolerances before substitution. The LS5565 and LS5566 are part of the same family but may have different matching specifications.
