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Product Detailed Parameters
- Description：IC OPAMP JFET 4 CIRCUIT 14SOIC
- Series：-
- Mfr：Texas Instruments
- Package：Tape & Reel (TR),Cut Tape (CT)
- Amplifier Type：J-FET
- Number of Circuits：4
- Output Type：-
- Slew Rate：13V/µs
- Gain Bandwidth Product：4 MHz
- Current - Input Bias：50 pA
- Voltage - Input Offset：5 mV
- Current - Supply：7.2mA (x4 Channels)
- 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：Surface Mount
- Package / Case：14-SOIC (0.154", 3.90mm Width)
- Supplier Device Package：14-SOIC
- -3db Bandwidth：-
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Overview
The LF347MX/NOPB is a wide bandwidth quad JFET input operational amplifier manufactured by Texas Instruments. It features four independent channels in an SOIC-14 surface-mount package. Key electrical specifications include a gain-bandwidth product of 4 MHz and a slew rate of 13 V/us. The device operates on supply voltages ranging from 8 V to 36 V, with a typical operating supply current of 7.2 mA. Input characteristics include a bias current of 200 pA and an offset voltage of 10 mV. Common-mode rejection ratio ranges from 70 dB to 100 dB, while input voltage noise density is specified at 20 nV/sqrt Hz.
Feature Summary
- Quad JFET input architecture providing high-speed signal processing capabilities
- Wide bandwidth performance suitable for demanding analog applications
- Surface-mount packaging optimized for automated assembly processes
Applications
- High-speed signal conditioning circuits
- Precision data acquisition systems
- Audio processing equipment
Procurement Notes
Verify the specific suffix MX/NOPB against the manufacturer's latest documentation to confirm pinout compatibility and RoHS status. Ensure the procurement channel provides original manufacturer packaging to prevent counterfeit components. Cross-reference the date code with production lifecycle notices to confirm active availability before finalizing orders.
Selection Notes
Select this component when multiple high-speed amplification channels are required in a compact surface-mount form factor. The JFET input stage offers distinct advantages over bipolar counterparts regarding input impedance. Evaluate the 4 MHz bandwidth against system frequency requirements to ensure adequate phase margin and signal fidelity without unnecessary power consumption.
Part Context
This part belongs to the LF347 family of wide bandwidth quad operational amplifiers. It serves as the surface-mount variant of through-hole DIP packages within the same functional lineage. The NOPB suffix indicates lead-free construction compliant with environmental directives. It shares core electrical characteristics with other members of the series while differing primarily in physical footprint and mounting style.
Replacement Considerations
Direct replacements include LF347M-NOPB and LF347BN/NOPB, which share identical electrical specifications and pin configurations. Verify package dimensions and thermal characteristics when substituting between different manufacturers or legacy versions.
