OPA137UAG4 - English Editing Encyclopedia Entry

Product Overview

Category: Integrated Circuit (IC)

Use: Operational Amplifier

Characteristics: - High precision - Low noise - Wide bandwidth - Rail-to-rail input and output - Single-supply operation

Package: SOIC (Small Outline Integrated Circuit)

Essence: The OPA137UAG4 is a high-performance operational amplifier designed for various applications that require precision amplification with low noise.

Packaging/Quantity: The OPA137UAG4 is available in a standard SOIC package, with a quantity of 250 units per reel.

Specifications

• Supply Voltage Range: 2.7V to 36V
• Input Offset Voltage: ±0.5mV (maximum)
• Input Bias Current: ±1nA (maximum)
• Gain Bandwidth Product: 10MHz
• Slew Rate: 6V/µs
• Quiescent Current: 1.3mA (typical)
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The OPA137UAG4 has a total of 8 pins, which are assigned as follows:

1. OUT: Output pin
2. V+: Positive supply voltage pin
3. V-: Negative supply voltage pin
4. IN+: Non-inverting input pin
5. IN-: Inverting input pin
6. NC: No connection
7. NC: No connection
8. GND: Ground pin

Functional Features

• High precision amplification: The OPA137UAG4 provides accurate amplification of input signals with minimal distortion.
• Low noise: It offers a low noise floor, making it suitable for applications requiring high signal fidelity.
• Wide bandwidth: With a gain bandwidth product of 10MHz, it can handle a wide range of frequencies.
• Rail-to-rail input and output: The OPA137UAG4 supports input and output signals that can swing close to the supply rails.
• Single-supply operation: It can operate from a single power supply, simplifying system design.

Advantages and Disadvantages

Advantages: - High precision amplification - Low noise performance - Wide bandwidth for versatile applications - Compatible with single-supply systems - Rail-to-rail input and output capability

Disadvantages: - Relatively higher quiescent current compared to some low-power op-amps - Limited availability in alternative packages

Working Principles

The OPA137UAG4 is based on a differential amplifier configuration, where the difference between the non-inverting and inverting inputs is amplified. It utilizes internal compensation techniques to achieve stability and high gain accuracy. The rail-to-rail input and output stages allow for maximum utilization of the available supply voltage range.

Detailed Application Field Plans

The OPA137UAG4 is well-suited for various applications, including but not limited to: - Audio amplification - Sensor signal conditioning - Data acquisition systems - Active filters - Instrumentation amplifiers - Medical equipment - Industrial control systems

Detailed and Complete Alternative Models

While the OPA137UAG4 offers excellent performance, there are alternative models available that cater to specific requirements. Some notable alternatives include: - OPA2134: Dual operational amplifier with low distortion and low noise characteristics. - LM358: General-purpose dual operational amplifier with low power consumption. - AD8628: Precision operational amplifier with ultra-low offset voltage and low noise.

These alternative models provide different trade-offs in terms of performance, power consumption, and cost, allowing designers to choose the most suitable option for their specific application needs.

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