LM4960SQ/NOPB

Product Overview

Category: Audio Amplifier
Use: Amplifying audio signals
Characteristics: High-quality sound reproduction, compact size
Package: 16-pin LLP
Essence: Integrated audio amplifier
Packaging/Quantity: Tape and reel, 2500 units per reel

Specifications

• Supply Voltage: 2.7V to 5.5V
• Output Power: 1.4W (typical) into 8Ω at 5V
• Total Harmonic Distortion + Noise (THD+N): 0.1% (typical) at 1kHz, 1.2W into 8Ω
• Efficiency: 85% (typical) at 1.2W into 8Ω
• Shutdown Current: 0.01μA (typical)
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The LM4960SQ/NOPB features a 16-pin LLP package with the following pin configuration:

1. VDD
2. GND
3. SD
4. INL-
5. INL+
6. BYP
7. OUTL
8. PVDD
9. PGND
10. OUTR
11. BYN
12. INR+
13. INR-
14. SHDN
15. BIAS
16. VREF

Functional Features

• Single-ended stereo audio amplifier
• Low power consumption
• Wide supply voltage range
• Short-circuit and thermal protection
• Pop and click suppression during power-up and shutdown

Advantages

• High-quality sound reproduction
• Compact size for space-constrained applications
• Efficient power utilization
• Protection against short-circuits and overheating
• Eliminates unwanted noise during power transitions

Disadvantages

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

Working Principles

The LM4960SQ/NOPB is a single-ended stereo audio amplifier designed to amplify audio signals. It operates within a wide supply voltage range of 2.7V to 5.5V, making it suitable for various portable and low-power audio devices. The amplifier utilizes efficient power utilization techniques, resulting in high-quality sound reproduction while consuming minimal power.

The device incorporates short-circuit and thermal protection mechanisms to safeguard against potential damage. Additionally, it features pop and click suppression during power-up and shutdown, ensuring a smooth transition without any audible disturbances.

Detailed Application Field Plans

The LM4960SQ/NOPB finds applications in various audio-related fields, including:

1. Portable audio devices such as smartphones, tablets, and MP3 players
2. Bluetooth speakers and wireless headphones
3. Gaming consoles and handheld gaming devices
4. Personal computers and laptops
5. Automotive audio systems
6. Home entertainment systems

Alternative Models

For users seeking alternative options, the following models can be considered:

1. LM4863SQ/NOPB: Dual 2.2W Audio Amplifier with Shutdown Mode
2. LM386N-4/NOPB: Low Voltage Audio Power Amplifier
3. TPA3110D2PWP: 15-W Stereo Class-D Audio Power Amplifier

These models offer similar functionality and characteristics, providing flexibility in choosing the most suitable audio amplifier for specific requirements.

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