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LM4924SD/NOPB

LM4924SD/NOPB

Product Overview

Category: Audio Amplifier
Use: The LM4924SD/NOPB is a stereo audio amplifier designed for portable electronic devices.
Characteristics: It features low power consumption, small package size, and high efficiency.
Package: The LM4924SD/NOPB comes in a small outline package (SOP) with a quantity of 2500 units per reel.
Essence: This audio amplifier is essential for enhancing the audio output of portable devices.

Specifications

  • Power Supply Voltage: 2.7V to 5.5V
  • Output Power: 1.1W per channel into 8Ω at 5V
  • Total Harmonic Distortion + Noise (THD+N): 0.15% at 1kHz, 5V
  • Shutdown Current: 0.01μA
  • Package Type: 14-Pin LLP

Detailed Pin Configuration

The LM4924SD/NOPB has a 14-pin LLP package with the following pin configuration: 1. SHUTDOWN 2. BYPASS 3. INL- 4. INL+ 5. VDD 6. OUTL- 7. OUTL+ 8. GND 9. OUTR+ 10. OUTR- 11. VDD 12. INR+ 13. INR- 14. BYPASS

Functional Features

  • Low Shutdown Current: Ensures minimal power consumption when not in use.
  • Bypass Mode: Allows direct input to the output stage for bypassing the volume control.
  • Short-Circuit and Thermal Protection: Safeguards the device and connected components.

Advantages and Disadvantages

Advantages: - Low power consumption - Small package size - High efficiency

Disadvantages: - Limited output power compared to larger amplifiers - Limited voltage range

Working Principles

The LM4924SD/NOPB amplifies the audio signal from the input and drives it through the connected speakers or headphones. It operates on a low voltage supply and utilizes efficient circuitry to minimize power consumption.

Detailed Application Field Plans

The LM4924SD/NOPB is suitable for various portable electronic devices such as smartphones, tablets, portable gaming consoles, and Bluetooth speakers. Its compact size and low power consumption make it ideal for applications where space and battery life are critical factors.

Detailed and Complete Alternative Models

  • LM4863: A higher-power audio amplifier suitable for applications requiring more output power.
  • LM4880: An ultra-low power audio amplifier designed for battery-powered devices.

This completes the entry for LM4924SD/NOPB according to the English editing encyclopedia structure format.

Lista 10 Vanliga frågor och svar relaterade till tillämpningen av LM4924SD/NOPB i tekniska lösningar

  1. What is the maximum output power of LM4924SD/NOPB?
    - The maximum output power of LM4924SD/NOPB is 1.1W into 8Ω at 5V.

  2. What is the typical quiescent current of LM4924SD/NOPB?
    - The typical quiescent current of LM4924SD/NOPB is 3.6mA.

  3. Can LM4924SD/NOPB operate from a single supply voltage?
    - Yes, LM4924SD/NOPB can operate from a single supply voltage ranging from 2.7V to 5.5V.

  4. What is the typical shutdown current of LM4924SD/NOPB?
    - The typical shutdown current of LM4924SD/NOPB is 0.01μA.

  5. Does LM4924SD/NOPB have built-in thermal shutdown protection?
    - Yes, LM4924SD/NOPB has built-in thermal shutdown protection.

  6. What is the typical gain of LM4924SD/NOPB?
    - The typical gain of LM4924SD/NOPB is 6dB.

  7. Can LM4924SD/NOPB be used in portable audio applications?
    - Yes, LM4924SD/NOPB is suitable for use in portable audio applications.

  8. What is the recommended operating temperature range for LM4924SD/NOPB?
    - The recommended operating temperature range for LM4924SD/NOPB is -40°C to 85°C.

  9. Does LM4924SD/NOPB require external coupling capacitors?
    - No, LM4924SD/NOPB does not require external coupling capacitors.

  10. Is LM4924SD/NOPB available in a small package for space-constrained designs?
    - Yes, LM4924SD/NOPB is available in a small 9-bump DSBGA package for space-constrained designs.