OPA131UA
- Mfr.Part #
- OPA131UA
- Manufacturer
- Texas Instruments
- Package / Case
- 8-SOIC (0.154, 3.90mm Width)
- Datasheet
- Download
- Description
- OPA131 GENERAL PURPOSE FET-INPUT
- Stock
- 7,702
- In Stock :
- 7,702
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- Manufacturer :
- Texas Instruments
- Product Category :
- Instrumentation, OP Amps, Buffer Amps
- ECCN Code :
- EAR99
- Pbfree Code :
- yes
- Packaging :
- Tube
- Radiation Hardening :
- No
- Voltage Gain :
- 110dB
- Nominal Gain Bandwidth Product :
- 4MHz
- Frequency Compensation :
- yes
- Micropower :
- No
- REACH SVHC :
- No SVHC
- Terminal Form :
- Gull wing
- Operating Temperature :
- -40°C~85°C
- Length :
- 4.9mm
- Thickness :
- 1.58mm
- Mounting Type :
- Surface Mount
- Neg Supply Voltage-Nom (Vsup) :
- -15V
- JESD-609 Code :
- e4
- Terminal Finish :
- Nickel/Palladium/Gold (Ni/Pd/Au)
- Low-Bias :
- yes
- Number of Pins :
- 8
- Base Part Number :
- OPA131
- Moisture Sensitivity Level (MSL) :
- 3 (168 Hours)
- Input Offset Voltage (Vos) :
- 200μV
- Current - Input Bias :
- 5pA
- Height :
- 1.75mm
- Lifecycle Status :
- ACTIVE (Last Updated: 2 days ago)
- Average Bias Current-Max (IIB) :
- 0.00005μA
- Terminal Position :
- Dual
- Voltage - Supply, Single/Dual (±) :
- 9V~36V ±4.5V~18V
- Output Current :
- 25mA
- Peak Reflow Temperature (Cel) :
- 260
- Amplifier Type :
- GENERAL PURPOSE
- Number of Functions :
- 1
- Nominal Supply Current :
- 1.75mA
- Operating Supply Current :
- 1.5mA
- Max I/O Voltage :
- 750µV
- Operating Supply Voltage :
- 18V
- Supply Voltage :
- 15V
- Slew Rate :
- 10V/μs
- Number of Channels :
- 1
- Power :
- No
- Low-Offset :
- No
- Common Mode Rejection Ratio :
- 80 dB
- Factory Lead Time :
- 6 Weeks
- Bandwidth :
- 4MHz
- Output Current per Channel :
- 25mA
- Pin Count :
- 8
- RoHS Status :
- ROHS3 Compliant
- Architecture :
- VOLTAGE-FEEDBACK
- Number of Terminations :
- 8
- Lead Free :
- Lead Free
- Programmable Power :
- No
- Bias Current-Max (IIB) @25C :
- 0.00005μA
- Width :
- 3.91mm
- Input Offset Current-Max (IIO) :
- 0.00005μA
- Surface Mount :
- yes
- Package / Case :
- 8-SOIC (0.154, 3.90mm Width)
- Dual Supply Voltage :
- 15V
- Unity Gain BW-Nom :
- 4000 kHz
- Datasheets
- OPA131UA

[Instrumentation, OP Amps, Buffer Amps] Overview
The OPA131UA by Texas Instruments is a versatile general-purpose FET input operational amplifier designed to meet the demanding requirements of various precision instrumentation and signal processing applications. With its high precision and low noise characteristics, this integrated circuit (IC) is ideal for a wide range of industrial and scientific applications.
OPA131UA Features
- High precision: The OPA131UA features high precision, making it suitable for applications requiring accurate signal amplification and processing.
- Low noise: With its low noise performance, this operational amplifier ensures clear signal integrity, making it ideal for sensitive instrumentation systems.
- FET input: The FET input stage of the OPA131UA offers high input impedance, minimizing signal loading and maximizing signal fidelity.
- Wide bandwidth: With a wide bandwidth of operation, this IC supports high-frequency signal processing, enabling fast response times in dynamic applications.
- Low offset voltage: The low offset voltage of the OPA131UA enhances signal accuracy and stability, critical for precision measurement and control systems.
OPA131UA Applications
- Industrial automation: The OPA131UA is utilized in industrial automation systems for signal conditioning and amplification, ensuring accurate measurement and control of various process parameters.
- Medical instrumentation: In medical instrumentation, the OPA131UA plays a vital role in amplifying weak biomedical signals with high precision and minimal noise, enabling accurate diagnosis and monitoring of patient conditions.
- Test and measurement equipment: The OPA131UA is widely used in test and measurement equipment such as oscilloscopes, spectrum analyzers, and signal generators, where precise signal conditioning and amplification are essential for accurate measurement and analysis.
In industrial automation settings, the OPA131UA is often integrated into data acquisition systems and PLCs (Programmable Logic Controllers) to process sensor signals and drive actuators, contributing to efficient manufacturing processes and quality control.
For example, in electrocardiography (ECG) equipment, the OPA131UA amplifies the minute electrical signals generated by the heart, facilitating the detection of cardiac abnormalities with exceptional clarity and reliability.
By incorporating the OPA131UA into test and measurement systems, engineers can achieve superior performance in applications ranging from electronic circuit characterization to RF (Radio Frequency) signal analysis.
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