OPA4251UA

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IC OPAMP GP 4 CIRCUIT 14SOIC

  • FabricanteTexas Instruments

  • Peça do Fabricante #OPA4251UA

  • Ficha Técnica OPA4251UA DataSheet

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Especificações

Atributo Valor
Series microPOWER™
PartStatus Active
AmplifierType Standard
NumberofCircuits 4
OutputType Rail-to-Rail
SlewRate 0.01V/µs
Current-InputBias 20 nA
Voltage-InputOffset 100 µV
Current-Output/Channel 50 mA
Voltage-SupplySpan(Min) 2.7 V
Voltage-SupplySpan(Max) 36 V
OperatingTemperature -40°C ~ 85°C
MountingType Surface Mount
Package/Case 14-SOIC (0.154", 3.90mm Width)
SupplierDevicePackage 14-SOIC
BaseProductNumber OPA4251
GainBandwidthProduct 35 kHz

Visão Geral

Description

The OPA4251UA is a precision operational amplifier from Texas Instruments, designed for applications requiring low noise and low-power consumption. It comes in a quad configuration, meaning there are four op-amps in one package, making it ideal for multi-channel applications. The device features a wide supply voltage range and rail-to-rail output, enhancing its versatility across various operating conditions. With low input offset voltage and bias currents, the OPA4251UA ensures high accuracy and stability, making it suitable for precision instrumentation, data acquisition systems, and active filtering applications. Its small form factor and low power requirements make it an excellent choice for portable and battery-powered devices. The OPA4251UA is commonly used in industrial, medical, and consumer electronics, where reliability and precision are critical.

Equivalent

The OPA4251UA is a precision operational amplifier from Texas Instruments. Equivalent products might include:
1. LT1014 from Analog Devices: A quad precision op-amp with similar characteristics.
2. TL084 from Texas Instruments: A quad JFET-input op-amp that can serve similar applications.
3. MC33074 from ON Semiconductor: A quad op-amp with high slew rate.
Always verify specific characteristics like supply voltage, input offset voltage, bandwidth, and package type to ensure compatibility.

Features

The OPA4251UA is a precision operational amplifier featuring low offset voltage, low bias current, and low noise. It is part of the OPAx251 series, which is designed for high-performance and precision applications. Key features include:
1. Low Offset Voltage: Ensures minimal error in voltage measurements, enhancing accuracy.
2. Low Bias Current: Reduces the error associated with input bias current, making it ideal for high-impedance sensor interfacing.
3. Low Noise: Provides a clean signal with minimal interference, crucial for precision data acquisition.
4. Wide Supply Range: Can operate on a wide range of supply voltages, offering flexibility in various applications.
5. High Slew Rate: Enables fast response time, suitable for applications requiring rapid signal changes.
6. Rail-to-Rail Output: Offers maximum signal range, improving dynamic range and signal integrity.
7. Quad Package: Contains four amplifiers in a single package, conserving board space and reducing component cost.
These features make the OPA4251UA suitable for applications in instrumentation, medical equipment, and industrial process controls, where precision and reliability are paramount.

Pinout

The OPA4251UA is a precision operational amplifier with a total of 14 pins. It is part of the OPA251 family, designed for precision applications. The primary function of the OPA4251UA is to amplify voltage signals with high accuracy and stability. It typically finds applications in signal conditioning, data acquisition, and instrumentation systems.
The pin configuration for the OPA4251UA is as follows:
1. Pins 1 & 14: Offset null for adjusting the input offset voltage.
2. Pins 2, 6, 10, 13: Inverting inputs for each of the four op-amps.
3. Pins 3, 5, 11, 12: Non-inverting inputs for each of the four op-amps.
4. Pins 4, 7, 9, 8: Outputs for each of the four op-amps.
5. Pin 4: Negative power supply (V-).
6. Pin 11: Positive power supply (V+).
The OPA4251UA is used for applications requiring low noise and low offset voltage, providing precision amplification suitable for various electronic and instrumentation designs.

Manufacturer

The OPA4251UA is manufactured by Texas Instruments. Texas Instruments, often abbreviated as TI, is a global semiconductor company headquartered in Dallas, Texas. TI is renowned for designing and manufacturing a wide array of semiconductor products, including analog and embedded processing chips. The company serves various sectors, such as consumer electronics, industrial, automotive, communications, and enterprise systems. TI's products are integral to enabling innovations in various applications, providing power management, data conversion, signal conditioning, and microcontroller functionalities.

Application

The OPA4251UA is a precision operational amplifier known for its low offset voltage, low bias current, and high input impedance. It is widely used in applications requiring precise and stable signal amplification. Key application areas include:
1. Instrumentation: Used in medical devices and scientific instruments for accurate signal processing.
2. Data Acquisition: Ideal for analog-to-digital converter (ADC) front ends.
3. Sensor Signal Conditioning: Enhances the output signal from various sensors.
4. Industrial Automation: Used in control systems where precision is crucial.
5. Test and Measurement Equipment: Ensures high accuracy in measurement devices.
Its versatility makes it suitable for various precision analog applications.

Package

The OPA4251UA is an operational amplifier from Texas Instruments. It comes in an SOIC-14 (Small Outline Integrated Circuit) package type, which is a surface-mount package featuring 14 pins.

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