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Product Detailed Parameters
- Description：IC OPAMP JFET 2 CIRCUIT 8DIP
- Series：-
- Mfr：Texas Instruments
- Package：Tube
- Amplifier Type：J-FET
- Number of Circuits：2
- Output Type：-
- Slew Rate：1V/µs
- Gain Bandwidth Product：1 MHz
- Current - Input Bias：10 pA
- Voltage - Input Offset：1 mV
- Current - Supply：400µA (x2 Channels)
- Current - Output / Channel：6.8 mA
- Voltage - Supply Span (Min)：10 V
- Voltage - Supply Span (Max)：30 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 LF442CN is a dual low-power JFET input operational amplifier manufactured by Texas Instruments. It features high input impedance, low input bias current, and low input offset current. The device offers a gain bandwidth product of 2.0 MHz and a slew rate of 6.0 V/µs. It operates with a supply current of 200 µA per amplifier and supports an output voltage swing of ±14 V. The component includes output short circuit protection and is available in plastic dual in-line packages.
Feature Summary
- JFET input architecture providing high input impedance and low bias current
- Low power consumption suitable for battery-operated applications
- Integrated output short circuit protection for enhanced reliability
Applications
- Low power signal conditioning circuits
- High impedance sensor interfaces
- Precision analog signal processing
Procurement Notes
Verify the manufacturer designation carefully as this part number appears in catalogs from multiple vendors including ON Semiconductor and Texas Instruments. Confirm the specific datasheet version and package tolerance requirements against your design specifications before procurement to ensure compatibility with existing board layouts and electrical constraints.
Selection Notes
Select this component when high input impedance and low power consumption are critical design parameters. The JFET input stage makes it suitable for interfacing with high-impedance sources. Ensure the required slew rate and bandwidth meet the signal frequency demands of the application.
Part Context
This device belongs to the family of low-power JFET input operational amplifiers. It shares functional similarities with other devices in the series designed for general-purpose analog applications requiring high input impedance. The dual configuration allows for cost-effective implementation of multi-stage filter or amplifier designs.
Replacement Considerations
The LF442CN/NOPB is listed as a similar part from Texas Instruments. Verify pinout compatibility and electrical parameter equivalence before substitution.
