LM4682SQ/NOPB

Product Overview

Category: Integrated Circuit (IC)

Use: Audio Amplifier

Characteristics: - High-performance audio amplifier - Single-ended stereo Class AB amplifier - Low distortion and noise - Wide supply voltage range - Thermal shutdown protection

Package: 48-pin LLP (Leadless Leadframe Package)

Essence: The LM4682SQ/NOPB is a high-performance audio amplifier IC designed for use in stereo audio systems. It provides low distortion and noise, making it suitable for high-quality audio applications.

Packaging/Quantity: The LM4682SQ/NOPB is available in a 48-pin LLP package. The quantity per reel is typically 2500 units.

Specifications

• Supply Voltage Range: ±2.5V to ±30V
• Output Power: 20W per channel (8Ω load, THD+N = 1%)
• Total Harmonic Distortion + Noise (THD+N): 0.03% (1kHz, 1W into 8Ω)
• Signal-to-Noise Ratio (SNR): 105dB (A-weighted)
• Input Impedance: 20kΩ
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The LM4682SQ/NOPB has a total of 48 pins. The pin configuration is as follows:

1. Mute
2. INL-
3. INL+
4. GND
5. INR+
6. INR-
7. VCC
8. BIAS
9. BYP
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

• Single-ended stereo Class AB amplifier
• Low distortion and noise for high-quality audio reproduction
• Wide supply voltage range allows flexibility in system design
• Thermal shutdown protection prevents damage due to excessive heat

Advantages and Disadvantages

Advantages: - High-performance audio amplification - Low distortion and noise - Wide supply voltage range - Thermal shutdown protection ensures safety

Disadvantages: - Limited output power compared to some other audio amplifier ICs - Higher cost compared to lower-end audio amplifiers

Working Principles

The LM4682SQ/NOPB is a single-ended stereo Class AB amplifier. It amplifies the audio signal with low distortion and noise, providing high-quality audio output. The wide supply voltage range allows it to be used in various audio systems. The thermal shutdown protection feature ensures that the IC does not get damaged due to excessive heat.

Detailed Application Field Plans

The LM4682SQ/NOPB can be used in various audio applications, including: - Home theater systems - Car audio systems - Professional audio equipment - Multimedia speakers - Portable audio devices

Detailed and Complete Alternative Models

• LM4681SQ/NOPB
• LM4683SQ/NOPB
• LM4684SQ/NOPB
• LM4685SQ/NOPB
• LM4686SQ/NOPB

These alternative models offer similar functionality and characteristics to the LM4682SQ/NOPB, providing options for different system requirements.

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