LM4675SDX/NOPB

Product Overview

Category: Integrated Circuit (IC)

Use: Audio Amplifier

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

Package: SDIP (Shrink Dual In-Line Package)

Essence: The LM4675SDX/NOPB is a high-performance audio amplifier IC designed for single supply operation. It offers low power consumption and is housed in a small SDIP package.

Packaging/Quantity: The LM4675SDX/NOPB is available in tape and reel packaging, with 250 units per reel.

Specifications

• Supply Voltage Range: 2.7V to 5.5V
• Output Power: 1.2W (4Ω load, 5V supply)
• Total Harmonic Distortion + Noise (THD+N): 0.1% (1kHz, 1.2W output power)
• Shutdown Current: 0.01μA (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The LM4675SDX/NOPB has a total of 16 pins. Here is the detailed pin configuration:

1. VDD: Positive supply voltage
2. GND: Ground reference
3. IN+: Non-inverting input
4. IN-: Inverting input
5. BYP: Bypass capacitor connection
6. SHDN: Shutdown control input
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

• Single supply operation simplifies circuit design
• Low power consumption extends battery life in portable devices
• High-quality audio amplification for improved sound reproduction
• Shutdown control for power-saving mode when not in use
• Wide voltage range allows flexibility in power supply selection

Advantages and Disadvantages

Advantages: - High-performance audio amplification - Small package size for space-constrained applications - Wide voltage range for versatile power supply options - Low power consumption for extended battery life

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

Working Principles

The LM4675SDX/NOPB is a class AB audio amplifier that operates on a single supply voltage. It utilizes internal circuitry to amplify the input audio signal and deliver it to the output with low distortion and noise. The shutdown control feature allows the amplifier to enter a low-power state when not in use, conserving energy.

Detailed Application Field Plans

The LM4675SDX/NOPB is commonly used in various audio applications, including: - Portable media players - Mobile phones - Tablets - Laptop computers - Bluetooth speakers - Gaming consoles

Detailed and Complete Alternative Models

1. LM4863: Dual 2.2W Audio Amplifier
2. TPA3116D2: 50W Stereo Class D Audio Amplifier
3. MAX9744: 20W Stereo Class D Audio Power Amplifier
4. TDA7297: Dual Bridge Audio Amplifier

These alternative models offer different power outputs and features, providing options for various audio amplification requirements.

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