OPA4131NJ

Name: OPA4131NJ
Brand: Texas Instruments
Rating: 4.5 (10 reviews)
Author: Lisleapex

Operational Amplifiers - Op Amps Gen Purp FET-Input Oper Amplifier

5,893 Effective Inventory

OPA4131NJ

Effective Inventory5,893

Operational Amplifiers - Op Amps Gen Purp FET-Input Oper Amplifier

Manufacturer Part # : OPA4131NJ
Package/Case: SOIC-14
Brand: Texas Instruments
Product Categories : Instrumentation, OP Amps, Buffer Amps
Series : OPA4131

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OPA4131NJ DataSheet

Current price plan is under preparation. Please contact our customer service team for the latest pricing information. Thank you for your understanding and support!

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OPA4131NJ Details

The OPA4131NJ is a high-performance quad low noise amplifier from Texas Instruments, designed for precision signal processing in various applications. This device features FET input with an input bias current of 50pA max, low offset voltage of 750µV max, and a wide supply range from -14.5V to 118V. It is housed in a SOIC-14 package, making it suitable for compact circuit designs.

Key Features

FET Input with Low Bias Current: Offers an input bias current of 50pA max for precise signal processing.
Low Offset Voltage: Provides a low offset voltage of 750µV max for accurate amplification.
Wide Supply Range: Operates with a wide supply range from -14.5V to 118V, suitable for various applications.

Applications

Semiconductor Component Testing: Ideal for testing and amplifying semiconductor component signals in precision measurement applications.
Aerospace and Defense Systems: Suitable for use in aerospace and defense systems where high-performance signal processing is required.

Where to Use

The OPA4131NJ is suitable for applications that require precise signal amplification, such as semiconductor component testing, aerospace, and defense systems. It is ideal for use in environments where high-performance signal processing is critical.

How to Use

Connect the OPA4131NJ to your circuit by wiring the input pins to the respective signal sources. Ensure proper power supply connections to VCC and GND. Use the output pin to amplify the input signal. For detailed usage instructions, refer to the datasheet.

Application Circuit

The application circuit diagram for the OPA4131NJ illustrates how to connect the amplifier to a semiconductor component testing setup. It includes connections for power supply, ground, and input/output signals, ensuring proper operation and precise signal amplification.

(Tip: For detailed circuit diagram connections and usage guide, refer to the datasheet.)

Equivalents

OPA2134: A similar quad low noise amplifier from Texas Instruments offering comparable features and performance.

Complementary

The OPA4131NJ can be complemented by the OPA4140, which offers additional features such as higher gain and improved frequency response, suitable for more demanding signal processing applications.

When selecting complementary amplifiers, ensure that their features and specifications align with your specific application requirements for optimal performance and compatibility.

Frequently Asked Questions

Q: What is the input bias current of the OPA4131NJ?

A: The OPA4131NJ has an input bias current of 50pA max.

Q: Can the OPA4131NJ be used in aerospace and defense systems?

A: Yes, the OPA4131NJ is suitable for use in aerospace and defense systems where high-performance signal processing is required.

Specifications

The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.

Number of channels	4	Total supply voltage (+5 V = 5, ±5 V = 10) (max) (V)	36
Total supply voltage (+5 V = 5, ±5 V = 10) (min) (V)	9	Rail-to-rail	No
GBW (typ) (MHz)	4	Slew rate (typ) (V/µs)	10
Vos (offset voltage at 25°C) (max) (mV)	1	Iq per channel (typ) (mA)	1.5
Vn at 1 kHz (typ) (nV√Hz)	15	Rating	Catalog
Operating temperature range (°C)	-40 to 85	Offset drift (typ) (µV/°C)	2
Input bias current (max) (pA)	50	CMRR (typ) (dB)	80
Iout (typ) (A)	0.025	Architecture	FET
Input common mode headroom (to negative supply) (typ) (V)	3	Input common mode headroom (to positive supply) (typ) (V)	-1
Output swing headroom (to negative supply) (typ) (V)	2.5	Output swing headroom (to positive supply) (typ) (V)	-2.5

Datasheet PDF

Datasheets record the features, absolute maximum ratings, applications and more of the device, which benefit a lot as an overall guide to the specific application of the part.

Preliminary Specification OPA4131NJ PDF Download

FAQs

What is OPA4131NJ?

The OPA4131NJ is a high-performance, precision, low-noise operational amplifier manufactured by Texas Instruments. It is designed for applications requiring high precision amplification with low distortion and low noise, such as audio equipment, instrumentation, and sensor signal conditioning.

How Does OPA4131NJ Work?

The OPA4131NJ functions as a precision operational amplifier with low distortion and low noise characteristics. It amplifies input signals accurately and with high fidelity, making it suitable for high-quality audio and sensor applications. The amplifier features high slew rate and bandwidth, enabling it to handle fast signal transients effectively.

How Many Pins does OPA4131NJ have and What are the Functions of the Pinout Configuration?

The OPA4131NJ is packaged in an 8-pin DIP (Dual Inline Package) format. The pinout configuration includes:

V+: Positive power supply pin.
V-: Negative power supply pin.
IN+: Non-inverting input pin.
IN-: Inverting input pin.
OUT: Output pin.

What are the Pros and Cons of OPA4131NJ?

Pros:

High Precision: Offers high accuracy and low distortion for critical applications.
Low Noise: Provides a clean amplification of signals with minimal interference.
Wide Bandwidth: Features high bandwidth capabilities for handling fast signal processing.
Stable Performance: Maintains stability over a wide temperature range and operating conditions.
Versatile: Suitable for a variety of precision applications in different industries.

Cons:

Higher Cost: Precision and high-performance features may result in a higher price point.
Power Consumption: May require more power compared to lower precision amplifiers.
External Components: Some applications may need additional components for optimal performance.

Are There Any Equivalents/Alternatives to OPA4131NJ for Recommendation?

The OPA227 from Texas Instruments is a close equivalent to the OPA4131NJ.
Alternative precision operational amplifiers include the AD8628 from Analog Devices and the LT1677 from Linear Technology.