OPA2137PG4

Product Overview

Category

OPA2137PG4 belongs to the category of operational amplifiers (op-amps).

Use

The OPA2137PG4 op-amp is commonly used in various electronic circuits for amplification, filtering, and signal conditioning purposes.

Characteristics

• High gain: The OPA2137PG4 offers a high open-loop voltage gain, making it suitable for applications requiring precise amplification.
• Low noise: This op-amp has low input noise, ensuring accurate signal processing even in low-level applications.
• Wide bandwidth: With a wide frequency response range, the OPA2137PG4 can handle signals across a broad spectrum.
• Low distortion: It exhibits low harmonic distortion, enabling faithful reproduction of the input signal.
• High slew rate: The op-amp provides a high slew rate, allowing it to respond quickly to rapid changes in the input signal.

Package

The OPA2137PG4 comes in a standard 8-pin DIP (Dual Inline Package) or SOIC (Small Outline Integrated Circuit) package.

Essence

The essence of the OPA2137PG4 lies in its ability to accurately amplify and process analog signals with low noise and distortion.

Packaging/Quantity

The OPA2137PG4 is typically available in reels or tubes, with quantities varying depending on the supplier. Common packaging options include 2500 units per reel or 50 units per tube.

Specifications

• Supply Voltage Range: ±2.5V to ±18V
• Input Offset Voltage: 0.25mV (maximum)
• Input Bias Current: 1nA (maximum)
• Input Noise Voltage: 8nV/√Hz (typical)
• Gain Bandwidth Product: 8MHz (typical)
• Slew Rate: 20V/µs (typical)
• Output Current: 40mA (maximum)

Detailed Pin Configuration

The OPA2137PG4 has the following pin configuration:

1. Non-Inverting Input (+)
2. Inverting Input (-)
3. V-
4. V+
5. Offset Null
6. Output
7. NC (No Connection)
8. Ground

Functional Features

• High precision amplification for accurate signal processing.
• Low noise and distortion for faithful reproduction of input signals.
• Wide bandwidth for handling a broad range of frequencies.
• High slew rate enables quick response to rapid changes in the input signal.

Advantages and Disadvantages

Advantages

• High gain allows for precise amplification.
• Low noise ensures accurate signal processing in low-level applications.
• Wide bandwidth accommodates various frequency ranges.
• Low distortion provides faithful signal reproduction.
• High slew rate enables fast response to input signal changes.

Disadvantages

• Limited output current may restrict its use in certain high-power applications.
• Requires external components for offset nulling, adding complexity to the circuit design.

Working Principles

The OPA2137PG4 operates based on the principles of differential amplification. It amplifies the voltage difference between its non-inverting and inverting inputs, producing an amplified output signal. The op-amp's internal circuitry, including transistors and resistors, facilitates this amplification process while maintaining linearity and stability.

Detailed Application Field Plans

The OPA2137PG4 finds application in various fields, including: 1. Audio Amplification: It is used in audio systems, such as preamplifiers and headphone amplifiers, to amplify and enhance audio signals. 2. Instrumentation: The op-amp is employed in precision measurement instruments, data acquisition systems, and sensor interfaces to accurately amplify and condition analog signals. 3. Active Filters: It is utilized in active filter circuits to shape the frequency response of signals, allowing for specific frequency bandpass or band-reject filtering. 4. Signal Conditioning: The OPA2137PG4 is used in signal conditioning circuits to modify and prepare analog signals for further processing or transmission.

Detailed and Complete Alternative Models

Some alternative models to the OPA2137PG4 include: - LM358 - TL072 - AD822 - NE5532 - LT1498

These alternatives offer similar functionality and can be used as substitutes depending on the specific requirements of the application.

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