TPA302DG4

Overview

Category: Integrated Circuit (IC)

Use: Audio Amplifier

Characteristics: - Single-channel Class D audio amplifier - High efficiency and low power consumption - Small package size for space-constrained applications - Wide supply voltage range for flexibility in design - Excellent audio performance with low distortion and noise

Package: SOIC-8

Essence: TPA302DG4 is an integrated circuit that functions as a single-channel Class D audio amplifier. It offers high efficiency and low power consumption, making it suitable for various audio amplification applications.

Packaging/Quantity: TPA302DG4 is typically sold in reels of 2500 units.

Specifications

• Supply Voltage Range: 2.5V to 5.5V
• Output Power: Up to 3W
• Efficiency: >90%
• Total Harmonic Distortion + Noise (THD+N): <0.1%
• Signal-to-Noise Ratio (SNR): >100dB
• Operating Temperature Range: -40°C to 85°C

Pin Configuration

The TPA302DG4 IC has the following pin configuration:

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| | | 1 8 | | | | 2 7 | | | | 3 6 | | | | 4 5 | |___________| ```

Pin Description: 1. VDD: Positive supply voltage 2. IN+: Non-inverting input 3. IN-: Inverting input 4. GND: Ground 5. OUT: Amplified audio output 6. NC: No connection 7. NC: No connection 8. VSS: Negative supply voltage

Functional Features

• Class D Amplification: TPA302DG4 utilizes Class D amplification technology, which offers high efficiency and low power dissipation.
• Low Distortion: The IC provides excellent audio performance with low total harmonic distortion and noise.
• Wide Supply Voltage Range: It can operate within a wide supply voltage range, allowing flexibility in various applications.
• Thermal and Short Circuit Protection: Built-in protection mechanisms ensure safe operation under different conditions.

Advantages and Disadvantages

Advantages: - High efficiency and low power consumption - Compact package size for space-constrained designs - Excellent audio performance with low distortion - Wide supply voltage range for flexibility - Built-in protection mechanisms for safety

Disadvantages: - Limited output power compared to higher wattage amplifiers - May require additional components for certain applications

Working Principles

The TPA302DG4 operates on the principle of Class D amplification. It uses pulse width modulation (PWM) to convert the input audio signal into a series of high-frequency pulses. These pulses are then amplified by the power stage and filtered to remove any unwanted noise or distortion. The resulting amplified audio signal is then delivered to the output.

Application Field Plans

The TPA302DG4 is commonly used in various audio amplification applications, including: - Portable speakers - Headphone amplifiers - Automotive audio systems - Home theater systems - Multimedia devices

Alternative Models

Some alternative models that offer similar functionality to TPA302DG4 include: - TPA301DG4 - TPA303DG4 - TPA3100D2 - TPA3116D2

These alternative models may have slight differences in specifications and pin configurations, so it is important to refer to their respective datasheets for detailed information.

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