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LM4682SQX/NOPB
Product Overview
Category: Audio Amplifier
Use: Audio amplification for consumer electronics
Characteristics: High efficiency, low distortion, compact size
Package: 48-pin LLP
Essence: Class D audio amplifier
Packaging/Quantity: Tape & Reel, 2500 units
Specifications
- Output Power: 30W per channel into 8Ω at 21V
- Total Harmonic Distortion + Noise (THD+N): 0.1% at 1kHz, 10W
- Efficiency: 90% at 20W, 8Ω
- Operating Voltage Range: 10V to 26.4V
- Shutdown Current: 0.5µA
Detailed Pin Configuration
The LM4682SQX/NOPB features a 48-pin LLP package with detailed pin configuration as follows: 1. VDD 2. GND 3. INL- 4. INL+ 5. BYP 6. MUTE 7. SDZ 8. PVCC 9. OUTL 10. OUTL 11. OUTL 12. OUTL 13. OUTL 14. OUTL 15. OUTL 16. OUTL 17. OUTL 18. OUTL 19. OUTL 20. OUTL 21. OUTL 22. OUTL 23. OUTL 24. OUTL 25. OUTL 26. OUTL 27. OUTL 28. OUTL 29. OUTL 30. OUTL 31. OUTL 32. OUTL 33. OUTL 34. OUTL 35. OUTL 36. OUTL 37. OUTL 38. OUTL 39. OUTL 40. OUTL 41. OUTL 42. OUTL 43. OUTL 44. OUTL 45. OUTL 46. OUTL 47. OUTL 48. OUTL
Functional Features
- High efficiency Class D operation
- Low output noise
- Short-circuit and thermal protection
- Integrated mute and standby functions
Advantages and Disadvantages
Advantages: - High efficiency reduces power consumption - Compact size allows for space-saving designs - Low distortion provides high-quality audio output
Disadvantages: - Higher cost compared to traditional Class AB amplifiers - Limited output power compared to larger amplifiers
Working Principles
The LM4682SQX/NOPB operates on the principle of pulse-width modulation (PWM) to amplify audio signals. It utilizes a switching output stage to achieve high efficiency and low distortion.
Detailed Application Field Plans
The LM4682SQX/NOPB is suitable for various consumer electronics applications, including: - Portable speakers - Home theater systems - Automotive audio systems - Multimedia monitors
Detailed and Complete Alternative Models
- TPA3116D2: Similar Class D audio amplifier with higher output power
- TAS5727: Class D amplifier with integrated digital audio processing
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Noem 10 veelgestelde vragen en antwoorden met betrekking tot de toepassing van LM4682SQX/NOPB in technische oplossingen
What is the maximum output power of LM4682SQX/NOPB?
- The maximum output power of LM4682SQX/NOPB is 30W per channel into an 8Ω load.What is the input voltage range for LM4682SQX/NOPB?
- The input voltage range for LM4682SQX/NOPB is ±10V to ±40V.Can LM4682SQX/NOPB be used in bridge-tied load (BTL) applications?
- Yes, LM4682SQX/NOPB can be used in bridge-tied load (BTL) applications.What is the typical total harmonic distortion plus noise (THD+N) for LM4682SQX/NOPB?
- The typical THD+N for LM4682SQX/NOPB is 0.03% at 1kHz and 1W into an 8Ω load.Is LM4682SQX/NOPB suitable for automotive audio applications?
- Yes, LM4682SQX/NOPB is suitable for automotive audio applications.What is the recommended operating temperature range for LM4682SQX/NOPB?
- The recommended operating temperature range for LM4682SQX/NOPB is -40°C to 125°C.Can LM4682SQX/NOPB operate with a single supply voltage?
- No, LM4682SQX/NOPB requires a dual supply voltage.Does LM4682SQX/NOPB have built-in thermal shutdown protection?
- Yes, LM4682SQX/NOPB has built-in thermal shutdown protection.What is the typical quiescent current consumption of LM4682SQX/NOPB?
- The typical quiescent current consumption of LM4682SQX/NOPB is 20mA per channel.Is LM4682SQX/NOPB compatible with surface-mount technology (SMT)?
- Yes, LM4682SQX/NOPB is compatible with surface-mount technology (SMT).