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OPA2355DGSA/250G4
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OPA2355DGSA/250G4

Overview

Category: Integrated Circuit (IC)

Use: Operational Amplifier

Characteristics: - Low offset voltage - Rail-to-rail input and output - Wide supply voltage range - High bandwidth - Low quiescent current

Package: DGSA (8-pin SOIC package)

Essence: The OPA2355DGSA/250G4 is an operational amplifier designed for precision applications that require low offset voltage and high bandwidth.

Packaging/Quantity: The OPA2355DGSA/250G4 is available in a 250-piece reel.

Specifications

  • Supply Voltage Range: ±2.25V to ±18V
  • Input Offset Voltage: 200µV (maximum)
  • Gain Bandwidth Product: 10MHz
  • Quiescent Current: 1.6mA (typical)
  • Slew Rate: 7V/µs
  • Input Bias Current: 1nA (typical)
  • Common Mode Rejection Ratio: 80dB (minimum)
  • Output Current: 40mA (typical)

Pin Configuration

The OPA2355DGSA/250G4 has the following pin configuration:

```

| | --| V+ OUT |-- Pin 1: Positive Power Supply (V+) --| IN- NC |-- Pin 2: Inverting Input (-) --| IN+ NC |-- Pin 3: Non-Inverting Input (+) --| V- NC |-- Pin 4: Negative Power Supply (V-) --| NC NC |-- Pin 5: Not Connected --| NC NC |-- Pin 6: Not Connected --| NC NC |-- Pin 7: Not Connected --| NC GND |-- Pin 8: Ground (GND) |___________| ```

Functional Features

  • Low offset voltage ensures accurate amplification of small signals.
  • Rail-to-rail input and output capability allows for maximum dynamic range.
  • Wide supply voltage range enables operation in various power supply configurations.
  • High bandwidth provides excellent frequency response.
  • Low quiescent current minimizes power consumption.

Advantages and Disadvantages

Advantages: - Precise amplification of low-level signals - Versatile power supply options - Wide frequency response - Low power consumption

Disadvantages: - Limited output current capacity - Not suitable for high-power applications

Working Principles

The OPA2355DGSA/250G4 is a voltage-feedback operational amplifier that amplifies the difference between its two input terminals. It utilizes a differential amplifier configuration to achieve high gain and low offset voltage. The rail-to-rail input and output capability allows the amplifier to operate with input and output voltages close to the power supply rails.

Detailed Application Field Plans

The OPA2355DGSA/250G4 is commonly used in the following applications:

  1. Sensor signal conditioning
  2. Audio amplification
  3. Active filters
  4. Data acquisition systems
  5. Instrumentation amplifiers

Detailed and Complete Alternative Models

Some alternative models to the OPA2355DGSA/250G4 include:

  1. OPA2354DGSA/250G4
  2. OPA2353DGSA/250G4
  3. OPA2352DGSA/250G4
  4. OPA2351DGSA/250G4

These models offer similar characteristics and functionality, providing flexibility in choosing the most suitable operational amplifier for specific applications.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací OPA2355DGSA/250G4 v technických řešeních

  1. What is the OPA2355DGSA/250G4 used for?

    • The OPA2355DGSA/250G4 is a precision operational amplifier designed for use in a wide range of technical solutions, including instrumentation, sensor signal conditioning, and control systems.

  2. What are the key features of the OPA2355DGSA/250G4?

    • The OPA2355DGSA/250G4 features low offset voltage, low noise, high common-mode rejection ratio (CMRR), and low quiescent current, making it suitable for precision applications.

  3. How does the OPA2355DGSA/250G4 perform in low-power applications?

    • The OPA2355DGSA/250G4 is designed for low-power operation, with a low quiescent current and wide supply voltage range, making it suitable for battery-powered and portable devices.

  4. Can the OPA2355DGSA/250G4 be used in sensor signal conditioning?

    • Yes, the OPA2355DGSA/250G4 is well-suited for sensor signal conditioning due to its low noise and high precision characteristics.

  5. What is the recommended operating voltage range for the OPA2355DGSA/250G4?

    • The OPA2355DGSA/250G4 can operate from a single or dual power supply, with a recommended voltage range of +/- 1.35V to +/- 18V.

  6. Does the OPA2355DGSA/250G4 have built-in protection features?

    • The OPA2355DGSA/250G4 includes integrated ESD protection and thermal shutdown features to ensure reliable operation in harsh environments.

  7. Is the OPA2355DGSA/250G4 suitable for precision instrumentation applications?

    • Yes, the OPA2355DGSA/250G4 is ideal for precision instrumentation due to its low offset voltage and high CMRR, enabling accurate measurement and control.

  8. Can the OPA2355DGSA/250G4 be used in audio applications?

    • While primarily designed for precision analog applications, the OPA2355DGSA/250G4 can also be used in audio applications where low noise and high fidelity are important.

  9. What are the typical applications for the OPA2355DGSA/250G4 in control systems?

    • The OPA2355DGSA/250G4 can be used in control systems for motor drives, power management, and industrial automation, providing precise and stable control signals.

  10. Are there any application notes or reference designs available for the OPA2355DGSA/250G4?

    • Yes, Texas Instruments provides comprehensive application notes and reference designs to assist engineers in implementing the OPA2355DGSA/250G4 in various technical solutions.