LF347BNE4 Texas Instruments Integrated Circuit (Dual-In-Line Packages) In Stock

Name: LF347BNE4
Brand: Texas Instruments
SKU: LF347BNE4
Availability: InStock

Texas Instruments LF347BNE4 is a quad general-purpose JFET-input operational amplifier operating on ±18 V supply rails. Features 100 dB typical CMRR, 0.0002 µA ultra-low bias current, and internal frequency compensation in a 14-pin PDIP package. Available from stock with worldwide shipping.

OBSOLETEIntegrated CircuitVerified May 2026

Package / Visual Reference

LF347BNE4Dual-In-Line Packages

Quick Facts

Manufacturer: Texas Instruments
Package: Dual-In-Line Packages
Pin Count: 14
Lifecycle: OBSOLETE
Datasheet: LF347BNE4 Datasheet PDF
Category: Integrated Circuit
Temp Range: ?°C to 70.0°C
RoHS: Compliant
Lead Time: 3–7 business days
Shipping: DHL Express · Worldwide

What are the key features of LF347BNE4?

Quad JFET-input op-amp with ultra-low bias current of 0.0002 µA max for high-impedance sensor interfaces
Wide ±18 V supply voltage range with 100 dB typical CMRR for precision differential signal processing
Internal frequency compensation with voltage-feedback architecture in through-hole 14-pin PDIP for easy prototyping

What is LF347BNE4 used for?

The LF347BNE4 is well-suited for precision signal conditioning, active filtering, and instrumentation amplifier circuits where ultra-low input bias current is essential. Its quad configuration makes it ideal for multichannel audio processing, sensor signal amplification, and sample-and-hold circuits. The wide supply voltage range and high CMRR also make it suitable for industrial data acquisition front-ends and precision voltage-to-current converters.

What are the specifications of LF347BNE4?

Pbfree Code	Yes
YTEOL	0
Amplifier Type	OPERATIONAL AMPLIFIER
Architecture	VOLTAGE-FEEDBACK
Average Bias Current-Max (IIB)	0.0002 µA
Bias Current-Max (IIB) @25C	0.0002 µA
Common-mode Reject Ratio-Min	80dB
Common-mode Reject Ratio-Nom	100dB
Frequency Compensation	YES
Input Offset Current-Max (IIO)	0.004 µA
Input Offset Voltage-Max	7000 µV
JESD-30 Code	R-PDIP-T14
JESD-609 Code	e4
Low-Bias	YES
Low-Offset	NO
Micropower	NO
Neg Supply Voltage Limit-Max	-18 V
Neg Supply Voltage-Nom (Vsup)	-15 V
Number of Functions	4
Package Body Material	PLASTIC/EPOXY
Package Equivalence Code	DIP14,.3
Package Shape	RECTANGULAR
Package Style	IN-LINE
Packing Method	TUBE
Power	NO
Programmable Power	NO
Qualification Status	Not Qualified
Slew Rate-Min	8V/us
Slew Rate-Nom	13V/us
Supply Current-Max	11mA
Supply Voltage Limit-Max	18V
Supply Voltage-Nom (Vsup)	15V
Surface Mount	NO
Technology	JFET
Temperature Grade	COMMERCIAL
Terminal Finish	NICKEL PALLADIUM GOLD
Terminal Form	THROUGH-HOLE
Terminal Pitch	2.54mm
Terminal Position	DUAL
Unity Gain BW-Nom	3000
Voltage Gain-Min	25000
Wideband	NO
Package	Dual-In-Line Packages

Compliance & Regulatory

RoHS Status	Compliant
Lead-Free	Yes (Pb-Free)
ECCN	EAR99
HTS Code	8542.33.00.01

Where can I find the LF347BNE4 datasheet?

LF347BNE4 Datasheet Download

Official datasheet from Texas Instruments

What are equivalent replacements for LF347BNE4?

Compatible alternatives and drop-in replacements for LF347BNE4:

LF347BNTexas Instruments Operational

Amplifier, 4 Func, 5000uV Offset-Max, JFET, PDIP14

View Part →

Compare all alternatives & request quotes →

Frequently Asked Questions

What is the input bias current of the LF347BNE4?

The LF347BNE4 has a maximum input bias current (IIB) of 0.0002 µA (200 pA) at 25°C, making it excellent for high-impedance source interfaces such as photodiode amplifiers and pH electrode buffers.

What supply voltage does the LF347BNE4 support?

The LF347BNE4 operates on dual supply voltages up to ±18 V, providing a wide dynamic range for analog signal processing in industrial instrumentation, audio, and measurement equipment applications.

How many op-amps are integrated in the LF347BNE4?

The LF347BNE4 integrates four independent operational amplifiers (quad op-amp) in a single 14-pin PDIP package, reducing board space and component count in multichannel analog designs.

What is the CMRR specification of the LF347BNE4?

The LF347BNE4 provides a minimum CMRR of 80 dB and a typical CMRR of 100 dB, ensuring excellent rejection of common-mode noise, which is critical for differential measurement and instrumentation circuits.

Is the LF347BNE4 internally compensated?

Yes, the LF347BNE4 includes internal frequency compensation, simplifying circuit design by eliminating the need for external compensation components while maintaining stability across a wide range of gain configurations.

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About Texas Instruments

Texas Instruments (TI) is a global semiconductor company headquartered in Dallas, Texas. TI designs and manufactures analog and embedded processing chips used in industrial, automotive, consumer, communications, and enterprise systems.

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LF347BNE4 Texas Instruments Integrated Circuit (Dual-In-Line Packages) In Stock

What are the key features of LF347BNE4?

What is LF347BNE4 used for?

What are the specifications of LF347BNE4?

Compliance & Regulatory

Where can I find the LF347BNE4 datasheet?

What are equivalent replacements for LF347BNE4?

Frequently Asked Questions

What is the input bias current of the LF347BNE4?

What supply voltage does the LF347BNE4 support?

How many op-amps are integrated in the LF347BNE4?

What is the CMRR specification of the LF347BNE4?

Is the LF347BNE4 internally compensated?

Related Guides

150141RS73100 Red LED Indicator and Current-Resistor Design Guide

742792651 Ferrite Bead EMI Filter and Power Integrity Design Guide

How to Choose a Ferrite Bead for EMI Suppression Rails: Selection Guide

150141BS73100 Design Guide for 3528 Status Indicator LED Circuits

Why Buy from FindMyChip

About Texas Instruments

More from Texas Instruments

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