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OPA277PA

Name: OPA277PA
Rating: 4.7 (12 reviews)

OPA277 HIGH PRECISION OPERATIONA

Производитель
Мфр. Часть #OPA277PA
Пакет
Лист данных OPA277PA DataSheet
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Спецификации

Part Status	Active
Amplifier Type	Standard
Number of Circuits	1
Slew Rate	0.8V/µs
Current - Input Bias	500 pA
Voltage - Input Offset	20 µV
Current - Supply	790µA
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
Package / Case	8-DIP (0.300", 7.62mm)
Supplier Device Package	8-PDIP
Gain Bandwidth Product	1 MHz

Обзор

Description

The OPA277PA is a precision operational amplifier designed for applications requiring low noise and high accuracy. It features a wide supply voltage range (±2.5V to ±18V), low input offset voltage (typically 50 µV), and low bias current, making it suitable for precision signal processing tasks. The device exhibits a high open-loop gain, low total harmonic distortion, and exceptional common-mode rejection ratio, which enhances its performance in various applications such as medical instrumentation, data acquisition, and audio processing.
With a bandwidth of 8 MHz and a slew rate of 3 V/µs, the OPA277PA can efficiently handle a wide range of frequencies. Its low quiescent current and ability to operate in a single-supply configuration add to its versatility. Additionally, the amplifier is housed in a standard 8-pin DIP package, facilitating easy integration into various circuit designs. Overall, the OPA277PA is an ideal choice for precision analog applications requiring reliable performance and minimal noise.

Features

The OPA277PA is a precision operational amplifier known for its low noise, low offset voltage, and high accuracy. Key features include:
1. Low Offset Voltage: Typically 50 µV, ensuring high precision in applications.
2. Low Drift: Offset voltage drift is typically 0.1 µV/°C, enhancing stability over temperature.
3. Low Noise: Voltage noise density is 8 nV/√Hz at 1 kHz, suitable for high-fidelity applications.
4. Wide Power Supply Range: Operates from ±2.5 V to ±18 V, offering flexibility in circuit design.
5. High Gain: Open-loop voltage gain exceeds 130 dB, providing excellent linearity.
6. Rail-to-Rail Output: Allows for maximum voltage swing, improving dynamic range.
7. Low Supply Current: Consumes only 500 µA per channel, making it energy-efficient.
8. High Common-Mode Rejection Ratio (CMRR): Ensures performance in varying signal conditions.
These features make the OPA277PA ideal for applications in data acquisition, medical instrumentation, and high-precision signal processing.

Package

The OPA277PA is available in a dual-in-line package (DIP) format, specifically a 8-pin configuration.

Pinout

The OPA277PA is a precision operational amplifier featuring a total of 8 pins. The pin configuration and their functions are as follows:
1. Offset Null: Used for offset voltage adjustment.
2. Inverting Input (−): Input for the inverting signal.
3. Non-Inverting Input (+): Input for the non-inverting signal.
4. Output: The output of the amplifier.
5. V− (Negative Supply): Connects to the negative power supply.
6. V+ (Positive Supply): Connects to the positive power supply.
7. NC (No Connect): Not internally connected; can be left floating.
8. NC (No Connect): Another No Connect pin, also left floating.
The OPA277PA is designed for precision applications with low offset voltage and low noise, making it suitable for use in various analog signal processing tasks.

Manufacturer

The OPA277PA is manufactured by Texas Instruments (TI), a multinational semiconductor company based in the United States. Founded in 1930, Texas Instruments is a leader in designing and manufacturing analog and embedded processing chips. The company serves various markets, including automotive, industrial, communications, and consumer electronics. TI is known for its innovation in analog technology, digital signal processing, and microcontrollers, making it a key player in the semiconductor industry. The OPA277PA is a precision operational amplifier, widely used in applications requiring high accuracy and low noise.

Application

The OPA277PA is a precision op-amp used in various applications, including signal conditioning, data acquisition systems, instrumentation, medical devices, and audio processing. Its low offset voltage and low noise make it suitable for high-accuracy measurements and low-level signal amplification tasks. Additionally, it is utilized in active filters, analog-to-digital converters, and in feedback loops for control systems.

Equivalent

The OPA277PA operational amplifier's equivalents include the OPA2134, OPA2132, and the OPA227. These devices share similar specifications such as low noise, low distortion, and high precision, making them suitable alternatives in applications requiring high-performance op-amps. Always check the specific parameters to ensure compatibility with your design requirements.

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