Panasonic Electronic Components
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AN17820B
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AN17820B

Product Overview

Category

AN17820B belongs to the category of integrated circuits (ICs).

Use

This IC is commonly used in audio amplifier applications.

Characteristics

  • AN17820B is a single-channel audio power amplifier.
  • It operates on a supply voltage ranging from 8V to 18V.
  • The maximum output power is 2.5W.
  • It has built-in thermal shutdown protection.

Package

AN17820B is available in a small outline package (SOP) with eight pins.

Essence

The essence of AN17820B lies in its ability to amplify audio signals efficiently and deliver high-quality sound output.

Packaging/Quantity

AN17820B is typically sold in reels containing a quantity of 2500 units per reel.

Specifications

  • Supply Voltage: 8V - 18V
  • Output Power: 2.5W
  • Total Harmonic Distortion: <0.5%
  • Operating Temperature Range: -40°C to +85°C
  • Package Type: SOP-8

Detailed Pin Configuration

  1. VCC: Supply voltage input
  2. GND: Ground reference
  3. IN: Audio signal input
  4. BYPASS: Bypass capacitor connection
  5. OUT: Amplified audio signal output
  6. N.C.: No connection
  7. N.C.: No connection
  8. SD: Shutdown control input

Functional Features

  • High output power capability
  • Low distortion and noise
  • Built-in thermal shutdown protection
  • Short-circuit protection
  • Wide operating voltage range

Advantages and Disadvantages

Advantages

  • Compact size and easy integration into audio systems
  • Efficient amplification of audio signals
  • Built-in protection features enhance reliability
  • Suitable for low-power audio applications

Disadvantages

  • Limited output power compared to higher wattage amplifiers
  • Not suitable for high-power audio applications

Working Principles

AN17820B operates as a class AB amplifier, which combines the advantages of both class A and class B amplifiers. It amplifies the input audio signal by using a push-pull configuration of transistors, ensuring low distortion and efficient power utilization.

Detailed Application Field Plans

AN17820B finds application in various audio devices, including:

  1. Portable speakers
  2. Car audio systems
  3. Home theater systems
  4. Personal computers
  5. Televisions

Detailed and Complete Alternative Models

  1. TDA7266 - Dual-channel audio power amplifier
  2. LM386 - Low voltage audio power amplifier
  3. TPA3116D2 - Digital audio amplifier
  4. STA540 - Quad-channel audio power amplifier
  5. MAX9744 - Mono Class D audio amplifier

These alternative models offer different features and specifications, providing options for various audio amplifier requirements.

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10 pirs û bersivên hevpar ên têkildarî sepana AN17820B di çareseriyên teknîkî de navnîş bikin

Sure! Here are 10 common questions and answers related to the application of AN17820B in technical solutions:

  1. Q: What is AN17820B? A: AN17820B is an integrated circuit (IC) commonly used in audio amplifier applications.

  2. Q: What is the power output of AN17820B? A: The power output of AN17820B is typically around 5 watts per channel.

  3. Q: Can AN17820B be used in stereo systems? A: Yes, AN17820B can be used in stereo systems as it has two channels for left and right audio.

  4. Q: What is the voltage supply range for AN17820B? A: The voltage supply range for AN17820B is typically between 8V and 18V.

  5. Q: Is AN17820B suitable for portable devices like smartphones or tablets? A: Yes, AN17820B can be used in portable devices as it operates at low power and has a small form factor.

  6. Q: Does AN17820B require any external components for operation? A: Yes, AN17820B requires external components such as capacitors and resistors for proper functioning.

  7. Q: Can AN17820B drive speakers directly? A: No, AN17820B requires an output coupling capacitor to drive speakers.

  8. Q: What is the typical frequency response of AN17820B? A: The typical frequency response of AN17820B is between 20Hz and 20kHz.

  9. Q: Can AN17820B handle short-circuit protection? A: Yes, AN17820B has built-in short-circuit protection to prevent damage to the IC.

  10. Q: Is AN17820B suitable for automotive audio applications? A: Yes, AN17820B can be used in automotive audio applications as it can withstand the temperature and voltage variations commonly found in vehicles.

Please note that the answers provided here are general and may vary depending on the specific implementation and datasheet of AN17820B.