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
















