TPA4861DG4

Product Overview

Category

The TPA4861DG4 belongs to the category of audio amplifiers.

Use

It is primarily used for amplifying audio signals in various electronic devices.

Characteristics

• High-quality audio amplification
• Low distortion
• Wide frequency response range
• Efficient power consumption

Package

The TPA4861DG4 comes in a compact and durable package, designed to withstand various environmental conditions.

Essence

The essence of the TPA4861DG4 lies in its ability to provide high-fidelity audio amplification with minimal distortion.

Packaging/Quantity

The TPA4861DG4 is typically packaged in reels or tubes, with varying quantities depending on the manufacturer's specifications.

Specifications

• Power Supply Voltage: 2.5V - 5.5V
• Output Power: Up to 1W
• Total Harmonic Distortion (THD): <0.1%
• Signal-to-Noise Ratio (SNR): >90dB
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The TPA4861DG4 has the following pin configuration:

1. VDD: Power supply voltage input
2. GND: Ground reference
3. IN+: Positive audio signal input
4. IN-: Negative audio signal input
5. SHUTDOWN: Shutdown control input
6. OUT: Amplified audio signal output

Functional Features

• Single-ended input
• Differential output
• Shutdown mode for power saving
• Short-circuit and thermal protection
• Internal gain setting resistors

Advantages and Disadvantages

Advantages

• High-quality audio amplification
• Low distortion for improved sound reproduction
• Flexible power supply voltage range
• Compact package for space-constrained applications
• Built-in protection features for enhanced reliability

Disadvantages

• Limited output power compared to higher wattage amplifiers
• Requires external components for complete audio system integration

Working Principles

The TPA4861DG4 operates on the principle of amplifying low-power audio signals using a class-D amplifier architecture. It converts the input audio signal into a high-frequency pulse-width modulated (PWM) signal, which is then amplified and filtered to produce the final amplified audio output.

Detailed Application Field Plans

The TPA4861DG4 finds applications in various electronic devices, including but not limited to: - Portable audio players - Mobile phones - Tablets - Laptop computers - Bluetooth speakers - Gaming consoles

Detailed and Complete Alternative Models

• TPA4860DG4
• TPA4862DG4
• TPA4863DG4
• TPA4864DG4
• TPA4865DG4

These alternative models offer similar functionality and performance characteristics, providing options for different design requirements.

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