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LM4804LQ/NOPB

LM4804LQ/NOPB

Product Overview

Category

LM4804LQ/NOPB belongs to the category of audio amplifier integrated circuits.

Use

It is primarily used for amplifying audio signals in various electronic devices such as portable media players, smartphones, and tablets.

Characteristics

  • High-quality audio amplification
  • Low power consumption
  • Compact size
  • Wide voltage range operation
  • Thermal shutdown protection

Package

LM4804LQ/NOPB is available in a small outline package (SOP) with 16 pins.

Essence

The essence of LM4804LQ/NOPB lies in its ability to provide efficient and high-quality audio amplification while consuming minimal power.

Packaging/Quantity

This product is typically packaged in reels or tubes, with a quantity of 2500 units per reel/tube.

Specifications

  • Supply Voltage: 2.7V to 5.5V
  • Output Power: Up to 1.25W per channel
  • Total Harmonic Distortion (THD): <0.1%
  • Signal-to-Noise Ratio (SNR): >90dB
  • Operating Temperature Range: -40°C to 85°C

Detailed Pin Configuration

  1. VDD: Power supply positive terminal
  2. GND: Ground
  3. SD: Shutdown control input
  4. IN+: Positive audio input
  5. IN-: Negative audio input
  6. BYP: Bypass capacitor connection
  7. OUT1: Speaker output 1
  8. OUT2: Speaker output 2
  9. NC: No connection
  10. NC: No connection
  11. NC: No connection
  12. NC: No connection
  13. NC: No connection
  14. NC: No connection
  15. NC: No connection
  16. NC: No connection

Functional Features

  • Low quiescent current
  • Short-circuit and thermal protection
  • Pop and click suppression during power-up and shutdown
  • Wide supply voltage range for flexibility in various applications

Advantages and Disadvantages

Advantages

  • High-quality audio amplification
  • Low power consumption
  • Compact size for space-constrained designs
  • Protection features ensure device longevity
  • Suitable for a wide range of applications

Disadvantages

  • Limited output power compared to higher wattage amplifiers
  • May require additional external components for optimal performance

Working Principles

LM4804LQ/NOPB operates as a class AB audio amplifier. It amplifies the input audio signal using internal circuitry and delivers it to the connected speakers. The amplifier ensures high fidelity audio reproduction while minimizing power consumption.

Detailed Application Field Plans

LM4804LQ/NOPB finds applications in various electronic devices, including: 1. Portable media players 2. Smartphones 3. Tablets 4. Bluetooth speakers 5. Gaming consoles

Detailed and Complete Alternative Models

  1. LM4863LQ/NOPB
  2. LM4871LQ/NOPB
  3. LM4890LQ/NOPB
  4. TPA3116D2
  5. MAX9744

These alternative models offer similar functionality and can be considered as alternatives to LM4804LQ/NOPB based on specific requirements.

In conclusion, LM4804LQ/NOPB is an audio amplifier integrated circuit that provides high-quality audio amplification with low power consumption. Its compact size and protection features make it suitable for various portable electronic devices. While it has limitations in terms of output power, it offers excellent performance and versatility in its application field.

Lista 10 Vanliga frågor och svar relaterade till tillämpningen av LM4804LQ/NOPB i tekniska lösningar

  1. Question: What is the maximum supply voltage for LM4804LQ/NOPB?
    Answer: The maximum supply voltage for LM4804LQ/NOPB is 5.5V.

  2. Question: What is the typical output power of LM4804LQ/NOPB?
    Answer: The typical output power of LM4804LQ/NOPB is 1W per channel into 8Ω at 5V.

  3. Question: Can LM4804LQ/NOPB operate with a single supply voltage?
    Answer: Yes, LM4804LQ/NOPB can operate with a single supply voltage ranging from 2.7V to 5.5V.

  4. Question: What is the recommended operating temperature range for LM4804LQ/NOPB?
    Answer: The recommended operating temperature range for LM4804LQ/NOPB is -40°C to 85°C.

  5. Question: Does LM4804LQ/NOPB require external coupling capacitors?
    Answer: No, LM4804LQ/NOPB does not require external coupling capacitors.

  6. Question: Can LM4804LQ/NOPB be used in portable audio applications?
    Answer: Yes, LM4804LQ/NOPB is suitable for use in portable audio applications due to its low power consumption.

  7. Question: What is the typical total harmonic distortion (THD) of LM4804LQ/NOPB?
    Answer: The typical THD of LM4804LQ/NOPB is 0.1% at 1kHz and 0.15% at 10kHz.

  8. Question: Is LM4804LQ/NOPB suitable for driving headphones?
    Answer: Yes, LM4804LQ/NOPB is designed to drive headphones with an impedance of 16Ω or higher.

  9. Question: Does LM4804LQ/NOPB have built-in short-circuit protection?
    Answer: Yes, LM4804LQ/NOPB features built-in short-circuit and thermal overload protection.

  10. Question: What is the package type of LM4804LQ/NOPB?
    Answer: LM4804LQ/NOPB is available in a small outline package (SOIC-8).