LM4700TF/NOPB

Product Overview

• Category: Integrated Circuit (IC)
• Use: Audio Power Amplifier
• Characteristics:
  • High-performance audio amplifier
  • Suitable for stereo and bridge amplifier applications
  • Low distortion and noise
  • Wide supply voltage range
  • Thermal shutdown protection
• Package: TO-220-11
• Essence: The LM4700TF/NOPB is a high-performance audio power amplifier IC designed for various audio applications.
• Packaging/Quantity: Available in reels of 250 units.

Specifications

• Power Supply Voltage Range: ±20V to ±85V
• Output Power: 30W per channel (stereo), 60W (bridge)
• Total Harmonic Distortion (THD): 0.03% (typical)
• Signal-to-Noise Ratio (SNR): 98dB (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The LM4700TF/NOPB has a total of 11 pins, which are as follows:

1. V- (Negative Power Supply)
2. IN- (Negative Input)
3. IN+ (Positive Input)
4. V+ (Positive Power Supply)
5. BYP (Bypass Capacitor)
6. GND (Ground)
7. OUT1 (Channel 1 Output)
8. OUT2 (Channel 2 Output)
9. VEE (Negative Power Supply)
10. VS (Positive Power Supply)
11. VCC (Positive Power Supply)

Functional Features

• High-quality audio amplification with low distortion and noise.
• Wide supply voltage range allows flexibility in various applications.
• Thermal shutdown protection prevents damage due to excessive heat.
• Bridge amplifier configuration enables higher power output.

Advantages and Disadvantages

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

Disadvantages: - Requires external components for proper operation. - Limited output power compared to some other amplifier ICs.

Working Principles

The LM4700TF/NOPB operates as a class AB audio power amplifier. It amplifies the input audio signal and delivers it to the connected speakers with low distortion and noise. The IC utilizes a bridge configuration, which allows for higher power output. It also incorporates thermal shutdown protection to prevent damage from excessive heat.

Detailed Application Field Plans

The LM4700TF/NOPB is commonly used in various audio applications, including:

1. Home stereo systems
2. Car audio systems
3. Professional audio equipment
4. Musical instruments amplification
5. Public address systems

Detailed and Complete Alternative Models

1. TDA7294 - Audio Power Amplifier IC with similar specifications and features.
2. LM3886 - High-performance Audio Power Amplifier IC with higher output power capability.
3. TPA3116D2 - Digital Audio Power Amplifier IC with integrated digital signal processing.

These alternative models can be considered based on specific requirements and application needs.

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