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
Request A Quote(RFQ)
- * Fullname:
- * Company:
- * E-Mail:
- Phone:
- Comment:
- * Quantity:
- Manufacturer :
- Texas Instruments
- Product Category :
- Instrumentation, OP Amps, Buffer Amps
- Terminal Position :
- Dual
- Packaging :
- Tube
- Mounting Type :
- Surface Mount
- Operating Temperature :
- -40°C~85°C
- Number of Pins :
- 8
- REACH SVHC :
- No SVHC
- Low-Bias :
- yes
- Number of Channels :
- 1
- Unity Gain BW-Nom :
- 4000 kHz
- Input Offset Voltage (Vos) :
- 200μV
- Length :
- 4.9mm
- Thickness :
- 1.58mm
- Terminal Finish :
- Nickel/Palladium/Gold (Ni/Pd/Au)
- Radiation Hardening :
- No
- Number of Terminations :
- 8
- Factory Lead Time :
- 6 Weeks
- Common Mode Rejection Ratio :
- 80 dB
- Output Current :
- 25mA
- Height :
- 1.75mm
- Bandwidth :
- 4MHz
- Average Bias Current-Max (IIB) :
- 0.00005μA
- Operating Supply Voltage :
- 18V
- Amplifier Type :
- GENERAL PURPOSE
- Base Part Number :
- OPA131
- Package / Case :
- 8-SOIC (0.154, 3.90mm Width)
- Bias Current-Max (IIB) @25C :
- 0.00005μA
- Lead Free :
- Lead Free
- Micropower :
- No
- Neg Supply Voltage-Nom (Vsup) :
- -15V
- Pin Count :
- 8
- Slew Rate :
- 10V/μs
- Dual Supply Voltage :
- 15V
- Low-Offset :
- No
- Moisture Sensitivity Level (MSL) :
- 3 (168 Hours)
- Terminal Form :
- Gull wing
- Pbfree Code :
- yes
- ECCN Code :
- EAR99
- Surface Mount :
- yes
- Nominal Gain Bandwidth Product :
- 4MHz
- Programmable Power :
- No
- Input Offset Current-Max (IIO) :
- 0.00005μA
- Voltage - Supply, Single/Dual (±) :
- 9V~36V ±4.5V~18V
- JESD-609 Code :
- e4
- Peak Reflow Temperature (Cel) :
- 260
- Nominal Supply Current :
- 1.75mA
- Output Current per Channel :
- 25mA
- RoHS Status :
- ROHS3 Compliant
- Frequency Compensation :
- yes
- Number of Functions :
- 1
- Max I/O Voltage :
- 750µV
- Current - Input Bias :
- 5pA
- Supply Voltage :
- 15V
- Voltage Gain :
- 110dB
- Power :
- No
- Width :
- 3.91mm
- Architecture :
- VOLTAGE-FEEDBACK
- Lifecycle Status :
- ACTIVE (Last Updated: 2 days ago)
- Operating Supply Current :
- 1.5mA
- 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.
You may place an order without registering to Chip IC. We strongly recommend that you log in before purchasing as you can track your order at any time.
RFQ (Request for Quotations)It is recommended to send RFQ to get the latest prices and stock availability about the part.Our sales will reply to your inquiry within 24 hours.
Payment MethodFor your convenience, we accept multiple payment methods in USD, Such as:PayPal, Credit Card, and wire transfer.
IMPORTANT NOTICEYou may place an order without registering to 1. You'll receive an order confirmations by e-mail soon . (Please remember to check the spam box if you didn't hear from us). 2. Since stock availability and prices may change at any time, the sales will reconfirm the order details and update you at soonest time.
Most of our products are shipped via FEDEX,DHL,UPS and SF EXPRESS...
Shipping CostShipping Cost starts at $40, but some countries will exceed $40. For example (South Africa, Brazil, India, Pakistan, Israel, etc.).If customer have shipping account, we can make shipment under customer’s shipping account with freight collect directly.
The basic freight (for package ≤0.5 KG ) depends on the time zones and countries
Once the goods are shipped, estimated delivery time depends on the shipping methods you chose. You can track it by the tracking no.
















