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Product Detailed Parameters
- Description：IC OPAMP JFET 1 CIRCUIT 8DIP
- Series：BI-FET II™
- Mfr：Texas Instruments
- Package：Tube
- Amplifier Type：J-FET
- Number of Circuits：1
- Output Type：-
- Slew Rate：15V/µs
- Gain Bandwidth Product：4 MHz
- Current - Input Bias：50 pA
- Voltage - Input Offset：800 µV
- Current - Supply：1.8mA
- Current - Output / Channel：-
- Voltage - Supply Span (Min)：10 V
- Voltage - Supply Span (Max)：36 V
- Operating Temperature：0°C ~ 70°C
- Grade：-
- Qualification：-
- Mounting Type：Through Hole
- Package / Case：8-DIP (0.300", 7.62mm)
- Supplier Device Package：8-PDIP
- -3db Bandwidth：-
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Overview
The LF411CN is a single-channel precision operational amplifier from Texas Instruments, featuring JFET input technology. It is housed in an 8-pin PDIP package designed for through-hole mounting. The device operates within a supply voltage range of 3.5 V to 18 V per rail (±1.75 V to ±9 V) or up to 36 V total. Key electrical specifications include a gain-bandwidth product of 4 MHz and a slew rate of 15 V/µs. It exhibits low offset voltage characteristics with a maximum value of 2 mV and low input bias current.
Feature Summary
- JFET input stage providing high input impedance and low noise performance
- Low offset voltage and low drift characteristics suitable for precision applications
- Single-channel configuration in a standard DIP-8 package
Applications
- Precision signal conditioning circuits
- High-input impedance buffer stages
- Low-noise amplification systems
Procurement Notes
Verify the specific suffix 'CN' against the manufacturer's official datasheet to confirm pinout compatibility and electrical tolerances. Ensure the procurement source provides valid RoHS compliance documentation as required by project specifications. Cross-reference the part number with authorized distributors to avoid counterfeit components. Confirm that the packaging type matches the intended assembly process requirements.
Selection Notes
Select this component when high input impedance and low noise are critical requirements. The JFET input architecture offers superior bias current performance compared to bipolar counterparts. Consider the 4 MHz bandwidth and 15 V/µs slew rate for moderate-speed signal processing tasks. The PDIP-8 package facilitates easy prototyping and manual assembly on breadboards or perf boards.
Part Context
The LF411CN belongs to the LF411 series of precision JFET-input operational amplifiers manufactured by Texas Instruments. This series is characterized by its combination of high speed and low offset voltage. The CN suffix typically denotes the commercial temperature range and the PDIP-8 through-hole package style, distinguishing it from surface-mount variants like the CD or DWR packages.
Replacement Considerations
Compatible substitutes include the LF411CDR and LF411CD for surface-mount applications. For direct pin-compatible replacements, verify equivalent JFET-input op-amps with similar gain-bandwidth and offset voltage specifications.
