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Product Detailed Parameters
- Description：IC OPAMP JFET 2 CIRCUIT WAFER
- Series：-
- Mfr：Texas Instruments
- Package：Bulk
- Amplifier Type：J-FET
- Number of Circuits：2
- Output Type：-
- Slew Rate：13V/µs
- Gain Bandwidth Product：3 MHz
- Current - Input Bias：50 pA
- Voltage - Input Offset：500 µV
- Current - Supply：4.5mA (x2 Channels)
- Current - Output / Channel：-
- Voltage - Supply Span (Min)：7 V
- Voltage - Supply Span (Max)：36 V
- Operating Temperature：-40°C ~ 85°C
- Grade：-
- Qualification：-
- Mounting Type：Surface Mount
- Package / Case：Die
- Supplier Device Package：Wafer
- -3db Bandwidth：-
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Overview
The LF412MWC is a dual precision JFET-input operational amplifier manufactured by Texas Instruments. It features low input bias current and high slew rate, making it suitable for high-speed analog signal processing applications. The device operates within a wide supply voltage range and offers excellent DC accuracy with low offset voltage and drift. Packaged in a 14-pin plastic DIP (W) format, it integrates two independent amplifiers on a single chip.
Feature Summary
- JFET input stage provides very low input bias current
- High slew rate enables fast response to large signal changes
- Wide common-mode and differential voltage ranges
- Low noise characteristics suitable for precision instrumentation
Applications
- Active filters and audio processing circuits
- Sample-and-hold amplifiers
- Integrators and differentiators
- Transimpedance amplifiers for photodiode interfaces
Procurement Notes
Verify the exact suffix 'MWC' against official Texas Instruments documentation to confirm package type and temperature grade. Ensure compatibility with existing PCB footprints for the 14-pin plastic DIP. Cross-reference RoHS compliance status if required for your manufacturing process. Confirm availability through authorized distributors only.
Selection Notes
Choose this component when low input bias current is critical compared to bipolar op-amps. Consider the JFET input structure for high impedance sources. Evaluate the trade-off between speed and power consumption relative to other dual op-amp options. Verify that the supply voltage requirements align with your system design constraints.
Part Context
Part of the LF41x family of dual JFET-input operational amplifiers. Designed as a cost-effective solution for general-purpose analog applications requiring better performance than standard bipolar devices. Competes with similar dual op-amps from other manufacturers offering JFET inputs.
Replacement Considerations
Check pinout compatibility with alternatives like TL072 or NE5532. Verify electrical parameter overlaps such as slew rate and bandwidth. Ensure thermal performance matches your enclosure design. Consult manufacturer substitution guides for guaranteed functional equivalence.
