OPA137UA/2K5G4 - English Editing Encyclopedia Entry

Product Overview

Category: Operational Amplifier
Use: Signal amplification and conditioning
Characteristics: High precision, low noise, wide bandwidth
Package: SOIC-8
Essence: High-performance operational amplifier
Packaging/Quantity: Tape and reel, 2500 units per reel

Specifications

• Supply Voltage: ±2.5V to ±18V
• Input Offset Voltage: ±150µV (maximum)
• Input Bias Current: ±1nA (maximum)
• Gain Bandwidth Product: 10MHz
• Slew Rate: 7V/µs
• Quiescent Current: 1.3mA (typical)

Detailed Pin Configuration

The OPA137UA/2K5G4 operational amplifier has the following pin configuration:

1. V- (Negative Power Supply)
2. IN- (Inverting Input)
3. IN+ (Non-Inverting Input)
4. V+ (Positive Power Supply)
5. OUT (Output)
6. NC (No Connection)
7. NC (No Connection)
8. V- (Negative Power Supply)

Functional Features

• High precision amplification of signals
• Low noise operation for accurate signal processing
• Wide bandwidth allows for handling high-frequency signals
• Rail-to-rail input and output capability
• Unity-gain stable for easy circuit design

Advantages and Disadvantages

Advantages: - High precision amplification ensures accurate signal reproduction - Low noise operation minimizes signal distortion - Wide bandwidth enables handling of high-frequency signals - Rail-to-rail input and output capability provides flexibility in signal range - Unity-gain stability simplifies circuit design

Disadvantages: - Relatively higher power consumption compared to low-power amplifiers - Limited supply voltage range compared to some other operational amplifiers

Working Principles

The OPA137UA/2K5G4 is a high-performance operational amplifier designed for signal amplification and conditioning. It operates by taking the difference between the voltages at its inverting (IN-) and non-inverting (IN+) inputs, and amplifying this difference to produce an output voltage. The amplifier's internal circuitry ensures high precision, low noise, and wide bandwidth performance.

Detailed Application Field Plans

The OPA137UA/2K5G4 is suitable for various applications including:

1. Audio Amplification: Provides accurate amplification of audio signals in audio systems, headphones, and speakers.
2. Sensor Signal Conditioning: Amplifies and conditions weak sensor signals for further processing in industrial control systems.
3. Instrumentation Systems: Enables precise measurement and amplification of signals in scientific instruments and test equipment.
4. Communication Systems: Enhances signal quality and amplifies weak signals in wireless communication devices and base stations.
5. Medical Equipment: Supports accurate signal amplification in medical devices such as ECG monitors and ultrasound machines.

Detailed and Complete Alternative Models

1. OPA2134: High-performance audio operational amplifier with low distortion and noise.
2. LM358: General-purpose operational amplifier with low power consumption and wide supply voltage range.
3. AD822: Precision instrumentation amplifier with low offset voltage and high common-mode rejection ratio.
4. TL072: Dual operational amplifier with low noise and high slew rate.
5. LT1013: Low power operational amplifier with rail-to-rail input and output capability.

These alternative models offer similar functionality and can be considered based on specific application requirements.

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