OPA4131NJ
- Mfr.Part #
- OPA4131NJ
- Manufacturer
- Texas Instruments
- Package / Case
- 14-SOIC (0.154, 3.90mm Width)
- Datasheet
- Download
- Description
- IC OPAMP JFET 4 CIRCUIT 14SOIC
- Stock
- 727
- In Stock :
- 727
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- Manufacturer :
- Texas Instruments
- Product Category :
- Instrumentation, OP Amps, Buffer Amps
- Voltage Gain :
- 110dB
- Width :
- 3.91mm
- Micropower :
- No
- Current - Input Bias :
- 5pA
- Radiation Hardening :
- No
- Pin Count :
- 14
- Bias Current-Max (IIB) @25C :
- 0.00005μA
- Low-Offset :
- No
- JESD-609 Code :
- e4
- Unity Gain BW-Nom :
- 4000 kHz
- Frequency Compensation :
- yes
- Number of Functions :
- 4
- Operating Temperature :
- -40°C~85°C
- Amplifier Type :
- GENERAL PURPOSE
- Terminal Finish :
- Nickel/Palladium/Gold (Ni/Pd/Au)
- Input Offset Current-Max (IIO) :
- 0.00005μA
- Lead Free :
- Lead Free
- Voltage - Input Offset :
- 200μV
- Thickness :
- 1.58mm
- Common Mode Rejection Ratio :
- 70 dB
- Number of Terminations :
- 14
- Height :
- 1.75mm
- Terminal Pitch :
- 1.27mm
- Packaging :
- Tube
- Nominal Supply Current :
- 8mA
- Pbfree Code :
- yes
- Moisture Sensitivity Level (MSL) :
- 3 (168 Hours)
- Bandwidth :
- 4MHz
- Power :
- No
- Programmable Power :
- No
- ECCN Code :
- EAR99
- Low-Bias :
- yes
- Terminal Form :
- Gull wing
- Input Offset Voltage (Vos) :
- 1.5mV
- Base Part Number :
- OPA4131
- Number of Channels :
- 4
- Nominal Gain Bandwidth Product :
- 4MHz
- Supply Voltage :
- 15V
- Package / Case :
- 14-SOIC (0.154, 3.90mm Width)
- Factory Lead Time :
- 6 Weeks
- Voltage - Supply, Single/Dual (±) :
- 9V~36V ±4.5V~18V
- Output Current per Channel :
- 25mA
- Number of Pins :
- 14
- Mounting Type :
- Surface Mount
- Architecture :
- VOLTAGE-FEEDBACK
- REACH SVHC :
- No SVHC
- Length :
- 8.65mm
- Operating Supply Voltage :
- 18V
- Dual Supply Voltage :
- 15V
- RoHS Status :
- ROHS3 Compliant
- Neg Supply Voltage-Nom (Vsup) :
- -15V
- Lifecycle Status :
- ACTIVE (Last Updated: 5 days ago)
- Max I/O Voltage :
- 1.5mV
- Surface Mount :
- yes
- Peak Reflow Temperature (Cel) :
- 260
- Average Bias Current-Max (IIB) :
- 0.00005μA
- Terminal Position :
- Dual
- Operating Supply Current :
- 1.5mA
- Slew Rate :
- 10V/μs
- Datasheets
- OPA4131NJ

Instrumentation, OP Amps, Buffer Amps Texas Instruments OPA4131NJ Overview
Introducing the Texas Instruments OPA4131NJ, a high-performance integrated circuit operational amplifier (IC OPAMP) designed to meet the demands of precision instrumentation, operational amplifier, and buffer amplifier applications. With its sophisticated JFET input stage and four precision amplifier circuits encapsulated in a compact 14SOIC package, this versatile component delivers exceptional performance and reliability for a wide range of industrial and commercial applications.
Engineered by Texas Instruments, a renowned leader in semiconductor innovation, the OPA4131NJ sets a new standard for precision and stability in signal processing. Whether deployed in sensitive measurement instruments, audio equipment, or industrial control systems, this IC OPAMP excels in delivering precise amplification and buffering, ensuring optimal signal integrity and accuracy.
OPA4131NJ Features
- JFET input stage for high input impedance and low input bias current
- Four precision amplifier circuits in a single package for space-efficient design
- Wide supply voltage range of ±2.5V to ±18V for versatile compatibility
- Low noise and distortion for pristine signal fidelity
- High slew rate and bandwidth for rapid signal processing
- Thermal shutdown protection for enhanced reliability
- Industry-standard 14SOIC package for easy integration into various circuit designs
OPA4131NJ Applications
- Medical Instruments: The OPA4131NJ excels in medical instrumentation applications such as ECG monitors and ultrasound machines, where precision amplification of weak signals is crucial for accurate diagnosis and patient monitoring.
- Audio Equipment: In professional audio equipment such as mixing consoles and studio monitors, the OPA4131NJ provides clean and transparent amplification, preserving the fidelity of audio signals without introducing unwanted noise or distortion.
- Industrial Automation: Integrated into industrial control systems and process instrumentation, the OPA4131NJ ensures precise signal conditioning and buffering, facilitating reliable operation and control in manufacturing environments.
- Test and Measurement: For test and measurement equipment including oscilloscopes and spectrum analyzers, the OPA4131NJ offers high-performance amplification and buffering capabilities, enabling accurate analysis and characterization of electronic signals.
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