OPA2277P

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OPA2277P

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Thông số kỹ thuật

thuộc tính Giá trị
Package / Case Bulk,Tube
Part Status Active
Amplifier Type General Purpose
Number of Circuits 2
Slew Rate 0.8V/µs
Gain Bandwidth Product 1 MHz
Current - Input Bias 500 pA
Voltage - Input Offset 10 µV
Supply Current 790µA (x2 Channels)
Current - Output / Channel 35 mA
Voltage - Supply Span(Min) 4 V
Voltage - Supply Span(Max) 36 V
Operating Temperature -40°C ~ 85°C
Mounting Type Through Hole

Tổng quan

Description

The OPA2277P is a precision operational amplifier known for its low offset voltage, low noise, and wide bandwidth, making it ideal for high-accuracy and low-noise applications. It belongs to the OPA227 series, renowned for excellent DC performance with a low offset voltage as low as 10 µV, low offset drift, and low bias current. The amplifier offers a gain bandwidth product of 8 MHz and a slew rate of 2.3 V/µs, suitable for various high-speed applications. With a wide supply voltage range from ±2.5 V to ±18 V, the OPA2277P can operate in both single and dual-supply modes, providing flexibility in design.
The device is also characterized by a low Total Harmonic Distortion (THD) and high open-loop gain, enhancing its performance in audio applications. Additionally, the amplifier's low-noise density of 3 nV/√Hz makes it suitable for sensitive signal processing tasks. Housed in a standard DIP package, the OPA2277P is used in precision instrumentation, data acquisition systems, medical equipment, and industrial controls, where reliability and precision are paramount.

Equivalent

The OPA2277P is a precision operational amplifier. Equivalent products include the LT1013, AD708, and OP07, depending on the specific requirements like voltage supply, bandwidth, and noise characteristics. These alternatives are also precision op-amps with similar performance. However, always verify the specifications to ensure compatibility with your specific application.

Features

The OPA2277P is a precision operational amplifier known for its high performance. Key features include:
1. Low Offset Voltage: It offers an exceptionally low offset voltage, typically around 10 µV, ensuring high precision in applications.
2. Low Noise: With low voltage noise levels (8 nV/√Hz), it is suitable for applications that require accurate and stable signal processing.
3. Low Drift: The amplifier exhibits low offset voltage drift over temperature changes, enhancing its reliability in varying environmental conditions.
4. Wide Supply Range: It supports a wide supply voltage range from ±2.25V to ±18V, making it versatile for different applications.
5. High Common-Mode Rejection Ratio (CMRR): It has a high CMRR, typically around 114 dB, which minimizes errors caused by noise and interference.
6. Rail-to-Rail Output: The OPA2277P can approach the supply rails closely, maximizing output voltage swing.
7. Stability: It is stable for capacitive loads, providing consistent performance across a wide range of loads.
These features make the OPA2277P well-suited for precision instrumentation, data acquisition systems, and other applications requiring high accuracy and reliability.

Pinout

The OPA2277P is a precision operational amplifier that comes in an 8-pin DIP (Dual In-line Package) configuration. Here is a brief overview of its pin count and functions:
1. Pin 1 - Offset Null: Used for offset voltage adjustment.
2. Pin 2 - Inverting Input (IN-): Receives the input signal that is 180 degrees out of phase with the non-inverting input.
3. Pin 3 - Non-Inverting Input (IN+): Receives the input signal that is in phase with the output.
4. Pin 4 - V- (Negative Supply): Connects to the negative voltage supply.
5. Pin 5 - Offset Null: Second pin used for offset voltage adjustment.
6. Pin 6 - Output: Provides the amplified output signal.
7. Pin 7 - V+ (Positive Supply): Connects to the positive voltage supply.
8. Pin 8 - No Connection (NC): Typically not connected to the circuit.
The OPA2277P is designed for high precision, low noise, and low offset voltage applications, making it suitable for use in instrumentation, data acquisition, and active filtering.

Manufacturer

The OPA2277P is manufactured by Texas Instruments (TI). Texas Instruments is a global semiconductor company that designs and manufactures a wide range of electronic components and integrated circuits. The company is headquartered in Dallas, Texas, and it is known for producing analog chips, microcontrollers, digital signal processors, and other semiconductor devices used in various electronic systems and products. TI serves multiple industries, including automotive, industrial, personal electronics, communications, and enterprise systems.

Application

The OPA2277P is a precision operational amplifier known for its low noise and low offset voltage, making it suitable for various applications. It is commonly used in medical instrumentation for accurate signal processing, such as ECG and EEG machines. It's also applied in industrial process controls, where precision and stability are crucial, and in data acquisition systems for high-accuracy measurements. Additionally, OPA2277P is used in high-fidelity audio equipment, ensuring clear sound reproduction, and in test and measurement devices for precise readings. Its robust performance makes it ideal for any application requiring high precision and reliability.

Package

The OPA2277P is housed in a PDIP (Plastic Dual In-line Package) with 8 pins.

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