LA4814JA-ZE

Product Overview

Category: Integrated Circuit (IC)

Use: Audio Amplifier

Characteristics: - High-quality audio amplification - Low power consumption - Compact size - Wide operating voltage range

Package: Dual In-Line Package (DIP)

Essence: LA4814JA-ZE is a high-performance audio amplifier IC designed for various audio applications.

Packaging/Quantity: The LA4814JA-ZE is typically sold in reels or tubes, with a quantity of 1000 units per reel/tube.

Specifications

• Supply Voltage: 2.5V to 5.5V
• Output Power: 1.5W (typical)
• Total Harmonic Distortion: 0.1% (typical)
• Operating Temperature Range: -40°C to +85°C
• Package Type: DIP-8

Detailed Pin Configuration

The LA4814JA-ZE has the following pin configuration:

```

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| | --| VCC OUT|-- Pin 1: Output --| GND IN+|-- Pin 2: Non-Inverting Input --| IN- IN-|-- Pin 3: Inverting Input --| BYP GND|-- Pin 4: Bypass Capacitor Connection --| TSD GND|-- Pin 5: Thermal Shutdown --| VREF GND|-- Pin 6: Reference Voltage --| NC GND|-- Pin 7: Not Connected --| VCC GND|-- Pin 8: Positive Power Supply |___________| ```

Functional Features

• Single-ended power supply operation
• Built-in thermal shutdown protection
• Low quiescent current
• Excellent noise performance
• Short-circuit protection

Advantages and Disadvantages

Advantages: - High-quality audio amplification - Low power consumption - Compact 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 LA4814JA-ZE is a class AB audio amplifier that operates on a single-ended power supply. It utilizes internal circuitry to amplify audio signals with low distortion and noise. The thermal shutdown feature protects the IC from overheating, ensuring reliable operation.

Detailed Application Field Plans

The LA4814JA-ZE is commonly used in various audio applications, including: - Portable speakers - Headphone amplifiers - Audio receivers - Home theater systems - Car audio systems

Detailed and Complete Alternative Models

• LM386: Low Voltage Audio Power Amplifier
• TDA7265: Dual Bridge Audio Amplifier
• MAX9744: 20W Stereo Class D Audio Power Amplifier
• TPA3116D2: 50W Stereo Class D Audio Amplifier

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

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