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