LM4665ITL/NOPB

Product Overview

Category: Integrated Circuit (IC)

Use: Audio Amplifier

Characteristics: - High-performance audio amplifier - Low power consumption - Small package size - Wide operating voltage range

Package: Thin Shrink Small Outline Package (TSSOP)

Essence: The LM4665ITL/NOPB is a high-performance audio amplifier IC designed for various audio applications. It provides excellent sound quality while consuming minimal power.

Packaging/Quantity: The LM4665ITL/NOPB is typically sold in reels containing 2500 units per reel.

Specifications

• Supply Voltage Range: 2.7V to 5.5V
• Output Power: Up to 1.3W
• Total Harmonic Distortion + Noise (THD+N): 0.1% (typical)
• Shutdown Current: 0.01μA (typical)
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The LM4665ITL/NOPB has a total of 16 pins, each serving a specific function. Here is the detailed pin configuration:

1. VDD: Positive supply voltage
2. SD: Shutdown control input
3. GND: Ground reference
4. INP: Non-inverting input
5. INN: Inverting input
6. BYP: Bypass capacitor connection
7. OUT: Amplifier output
8. NC: No connection
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 consumption
• Thermal shutdown protection
• Short-circuit and over-temperature protection
• Pop and click suppression during power-up and shutdown

Advantages and Disadvantages

Advantages: - High-performance audio amplification - Low power consumption - Small package size for space-constrained applications - Wide operating voltage range allows flexibility in power supply selection

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

Working Principles

The LM4665ITL/NOPB operates as a class AB audio amplifier. It amplifies the input audio signal and delivers it to the connected speaker or headphone. The amplifier is designed to provide high-quality sound reproduction while minimizing power consumption.

Detailed Application Field Plans

The LM4665ITL/NOPB can be used in various audio applications, including but not limited to: - Portable audio devices - Mobile phones - Tablets - Personal computers - Gaming consoles - Bluetooth speakers - Headphone amplifiers

Detailed and Complete Alternative Models

1. LM4863: Audio Power Amplifier IC
2. TPA3116D2: Class D Audio Amplifier IC
3. MAX9744: Stereo 20W Class D Audio Power Amplifier

These alternative models offer similar functionality and can be considered as alternatives to the LM4665ITL/NOPB based on specific application requirements.

In conclusion, the LM4665ITL/NOPB is a high-performance audio amplifier IC that provides excellent sound quality with low power consumption. Its small package size and wide operating voltage range make it suitable for various audio applications. However, it has limitations in terms of output power and may not be suitable for high-power audio applications.