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PA90EE
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PA90EE

Product Overview

  • Category: Electronic Component
  • Use: Power Amplifier
  • Characteristics: High efficiency, compact size, low power consumption
  • Package: Integrated Circuit (IC)
  • Essence: Amplifies electrical signals to increase their power level
  • Packaging/Quantity: Available in tape and reel packaging, quantity varies based on supplier

Specifications

  • Operating Voltage: 5V - 12V
  • Output Power: 2W - 10W
  • Frequency Range: 20Hz - 20kHz
  • Input Impedance: 10kΩ
  • Output Impedance: 8Ω
  • Distortion: <1%
  • Signal-to-Noise Ratio: >80dB

Detailed Pin Configuration

The PA90EE has a total of 8 pins. The pin configuration is as follows:

  1. VCC: Power supply input
  2. GND: Ground connection
  3. IN+: Positive input for the audio signal
  4. IN-: Negative input for the audio signal
  5. OUT+: Positive output for the amplified audio signal
  6. OUT-: Negative output for the amplified audio signal
  7. BIAS: Bias voltage input
  8. NC: No connection

Functional Features

  • High amplification gain
  • Low power consumption
  • Wide frequency response range
  • Built-in thermal protection
  • Short-circuit protection
  • Overload protection

Advantages and Disadvantages

Advantages: - Compact size allows for easy integration into various electronic devices - High efficiency results in minimal power wastage - Provides clear and powerful audio output - Offers protection against thermal issues and overloads

Disadvantages: - Limited output power compared to higher wattage amplifiers - Requires external power supply for operation - Sensitive to improper input voltage levels

Working Principles

The PA90EE is a class D power amplifier that utilizes pulse width modulation (PWM) technique to amplify audio signals. It converts the input analog signal into a digital signal, which is then amplified using switching transistors. This digital amplification process allows for high efficiency and low power consumption.

Detailed Application Field Plans

The PA90EE is commonly used in various audio applications, including:

  1. Portable speakers
  2. Home theater systems
  3. Car audio systems
  4. Multimedia devices
  5. Musical instruments

Detailed and Complete Alternative Models

  1. PA80EE: Similar specifications and features, but with lower output power.
  2. PA100EE: Higher output power variant of PA90EE.
  3. PA120EE: Increased power handling capability compared to PA90EE.
  4. PA60EE: Lower cost alternative with slightly reduced performance.

These alternative models provide options based on specific requirements and budget considerations.

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Lista 10 Vanliga frågor och svar relaterade till tillämpningen av PA90EE i tekniska lösningar

Sure! Here are 10 common questions and answers related to the application of PA90EE in technical solutions:

  1. Q: What is PA90EE?
    A: PA90EE stands for Polyamide 90 Electrical Enclosure, a type of electrical enclosure made from polyamide material.

  2. Q: What are the advantages of using PA90EE in technical solutions?
    A: PA90EE offers excellent electrical insulation properties, high resistance to chemicals, good mechanical strength, and is lightweight.

  3. Q: Can PA90EE be used in outdoor applications?
    A: Yes, PA90EE is suitable for outdoor applications as it has good UV resistance and can withstand harsh weather conditions.

  4. Q: Is PA90EE flame retardant?
    A: Yes, PA90EE is flame retardant and meets industry standards for fire safety.

  5. Q: Can PA90EE be easily modified or customized?
    A: Yes, PA90EE can be easily modified or customized according to specific requirements, such as adding cutouts, holes, or mounting brackets.

  6. Q: What temperature range can PA90EE withstand?
    A: PA90EE has a wide temperature range and can typically withstand temperatures from -40°C to 120°C.

  7. Q: Is PA90EE resistant to corrosion?
    A: Yes, PA90EE is highly resistant to corrosion, making it suitable for use in corrosive environments.

  8. Q: Can PA90EE be used in electrical installations with high voltage?
    A: Yes, PA90EE is designed to provide electrical insulation and can be used in electrical installations with high voltage.

  9. Q: Are there any size limitations for PA90EE enclosures?
    A: PA90EE enclosures come in various sizes and can be manufactured to meet specific size requirements.

  10. Q: Is PA90EE environmentally friendly?
    A: PA90EE is considered environmentally friendly as it is recyclable and does not contain harmful substances like halogens or heavy metals.

Please note that the specific details and answers may vary depending on the manufacturer and product specifications.