OPA2137EA/2K5

Basic Information Overview

• Category: Operational Amplifier (Op-Amp)
• Use: Signal amplification and processing in various electronic circuits
• Characteristics:
  • High precision and low noise
  • Wide bandwidth and high slew rate
  • Low input offset voltage and bias current
  • Rail-to-rail input and output operation
• Package: SOIC-8 (Small Outline Integrated Circuit)
• Essence: Precision operational amplifier
• Packaging/Quantity: Available in tape and reel packaging, with 2500 units per reel

Specifications

• Supply Voltage Range: ±2.25V to ±18V
• Input Offset Voltage: 150µV (maximum)
• Input Bias Current: 1nA (maximum)
• Input Voltage Noise: 8nV/√Hz (typical)
• Gain Bandwidth Product: 8MHz (typical)
• Slew Rate: 20V/µs (typical)
• Output Voltage Swing: ±12V (minimum) at ±15V supply

Detailed Pin Configuration

The OPA2137EA/2K5 has a standard pin configuration as follows:

___________ V+ --| |-- V- IN+ --| |-- OUT IN- --| | NC --| | OUT --|___________|

Functional Features

• High precision: The OPA2137EA/2K5 offers excellent accuracy and stability, making it suitable for applications requiring precise signal amplification.
• Low noise: With a low input voltage noise, this op-amp ensures minimal interference and distortion in the amplified signals.
• Wide bandwidth: The wide bandwidth allows for accurate amplification of high-frequency signals.
• Rail-to-rail operation: The op-amp supports input and output voltage ranges that cover the entire supply voltage range, maximizing dynamic range and signal fidelity.

Advantages and Disadvantages

Advantages: - High precision and low noise performance - Wide bandwidth for accurate amplification of high-frequency signals - Rail-to-rail operation enhances signal fidelity

Disadvantages: - Relatively higher power consumption compared to some other op-amps - Limited output current capability

Working Principles

The OPA2137EA/2K5 is a voltage-feedback operational amplifier. It amplifies the voltage difference between its two input terminals (IN+ and IN-) and produces an amplified output voltage at the OUT pin. The op-amp operates based on the principles of differential amplification and feedback control.

Detailed Application Field Plans

The OPA2137EA/2K5 finds applications in various fields, including: 1. Audio Amplification: It can be used in audio preamplifiers, headphone amplifiers, and audio mixers to achieve high-fidelity sound reproduction. 2. Instrumentation: The op-amp is suitable for precision measurement instruments, such as data acquisition systems and oscilloscopes, where accurate signal amplification is crucial. 3. Active Filters: It can be utilized in active filter circuits to shape the frequency response of signals in communication systems and audio equipment. 4. Sensor Signal Conditioning: The op-amp can be employed in sensor signal conditioning circuits to amplify and process weak sensor signals before further processing or analysis.

Detailed and Complete Alternative Models

Some alternative models to the OPA2137EA/2K5 include: - LM358 - TL072 - AD8620 - LT1498 - MCP6002

These alternatives offer similar functionality and characteristics, providing options for different design requirements and cost considerations.

Word count: 410 words