OPA4228UA

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OPA4228UA

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OPA4228 QUAD HIGH PRECISION, WID

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Specifications

Attribute Value
PartStatus Active
AmplifierType Standard
NumberofCircuits 4
SlewRate 11V/µs
Current-InputBias 2.5 nA
Voltage-InputOffset 10 µV
Current-Supply 3.7mA (x4 Channels)
Current-Output/Channel 45 mA
Voltage-SupplySpan(Min) 5 V
Voltage-SupplySpan(Max) 36 V
OperatingTemperature -55°C ~ 85°C
MountingType Surface Mount
Package/Case 14-SOIC (0.154", 3.90mm Width)
SupplierDevicePackage 14-SOIC
GainBandwidthProduct 33 MHz

Overview

Description

The OPA4228UA is a precision operational amplifier from Texas Instruments, designed for applications requiring high accuracy and low noise. It is part of the OPA4228 series, known for its ultra-low distortion and low input bias current. The amplifier operates with a low offset voltage and has excellent common-mode rejection ratio (CMRR) and power-supply rejection ratio (PSRR), making it ideal for precision applications like instrumentation, data acquisition, and medical equipment.
Key features include a wide supply voltage range, typically ±4.5V to ±18V, which enhances its versatility in various circuit designs. It offers a low input noise voltage of 3 nV/√Hz, contributing to its suitability for low-noise and high-precision tasks. The OPA4228UA is available in an 8-pin SOIC package, making it easy to incorporate into surface-mount designs.
Overall, the OPA4228UA is chosen for applications where high precision and low noise are critical, providing reliable performance in demanding environments.

Equivalent

The OPA4228UA is a precision operational amplifier manufactured by Texas Instruments. Equivalent products that offer similar specifications and performance characteristics include the OP4177 from Analog Devices, LT1124 from Analog Devices (formerly by Linear Technology), and the LMC6484 from Texas Instruments. These alternatives offer low noise, low offset voltage, and high gain, which are key features of the OPA4228UA. Always verify specific requirements and compatibility for your application when selecting an equivalent.

Features

The OPA4228UA is a high-performance operational amplifier known for its precision and low noise characteristics. Key features include:
1. Low Noise: The amplifier boasts a low voltage noise density, typically around 3 nV/√Hz, making it suitable for applications requiring high accuracy and precision.
2. Low Distortion: It offers ultra-low distortion levels, which is ideal for audio and other high-fidelity applications.
3. Wide Bandwidth: The unit provides a wide gain bandwidth product, typically around 33 MHz, enabling it to handle fast signal processing tasks.
4. Low Offset Voltage: It has a low input offset voltage, typically around 75 µV, which enhances its precision in DC-coupled applications.
5. High Slew Rate: The OPA4228UA features a high slew rate of about 20 V/µs, facilitating fast response times.
6. Rail-to-Rail Output: This feature allows the output voltage to swing very close to the power supply rails, maximizing dynamic range.
7. Wide Supply Voltage Range: The device can operate on a wide supply voltage range from ±4.5 V to ±18 V, making it versatile for various applications.
These features make the OPA4228UA suitable for precision instrumentation, audio processing, and other applications requiring high accuracy and low noise.

Pinout

The OPA4228UA is a precision operational amplifier from Texas Instruments. It comes in an 8-pin SOIC (Small Outline Integrated Circuit) package. The functions of its pins are as follows:
1. V+ (Pin 8): Positive power supply voltage.
2. V- (Pin 4): Negative power supply voltage or ground in a single-supply configuration.
3. OUT A (Pin 1): Output of the first operational amplifier.
4. IN- A (Pin 2): Inverting input of the first operational amplifier.
5. IN+ A (Pin 3): Non-inverting input of the first operational amplifier.
6. IN+ B (Pin 5): Non-inverting input of the second operational amplifier.
7. IN- B (Pin 6): Inverting input of the second operational amplifier.
8. OUT B (Pin 7): Output of the second operational amplifier.
OPA4228UA is used in applications requiring high precision, low noise, and low distortion, such as instrumentation and sensor amplification.

Manufacturer

The OPA4228UA is manufactured by Texas Instruments (TI), a global semiconductor company. TI is known for designing and manufacturing a wide range of analog and embedded processing components, including integrated circuits, microcontrollers, and digital signal processors. The company serves various industries such as automotive, industrial, personal electronics, communications equipment, and enterprise systems. Texas Instruments is recognized for its innovation and significant contributions to electronics and technology development.

Application

The OPA4228UA is a precision operational amplifier known for its low noise, low distortion, and high-speed performance. Its application areas include:
1. Data Acquisition Systems: Ideal for precise signal processing.
2. Medical Instrumentation: Used in ECG, EEG, and other sensitive signal monitoring.
3. Test and Measurement Equipment: Ensures accuracy and stability in various measurement devices.
4. Audio Processing: Enhances sound quality in high-fidelity audio equipment.
5. Industrial Control Systems: Provides reliable performance in feedback and control loops.
6. Sensors and Transducers: Amplifies low-level signals with minimal noise.
Its versatility and precision make it suitable for numerous applications requiring high performance and reliability.

Package

The OPA4228UA is a precision operational amplifier from Texas Instruments, and it is available in an SOIC-14 (Small Outline Integrated Circuit) package. This package type is commonly used for surface-mount technology, featuring 14 pins in a compact form factor suitable for various electronic applications.