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TPA3120D2PWPR
Product Overview
Category
The TPA3120D2PWPR belongs to the category of audio power amplifiers.
Use
This product is primarily used for amplifying audio signals in various applications such as consumer electronics, automotive audio systems, and professional audio equipment.
Characteristics
- High efficiency: The TPA3120D2PWPR offers high power efficiency, resulting in reduced power consumption and heat dissipation.
- Wide voltage range: It operates within a wide voltage range, making it suitable for different power supply configurations.
- Low distortion: This amplifier provides low distortion levels, ensuring high-quality audio output.
- Small package size: The TPA3120D2PWPR comes in a compact package, allowing for space-saving designs.
- Thermal and short-circuit protection: It incorporates built-in protection mechanisms to safeguard against thermal overload and short circuits.
Package and Quantity
The TPA3120D2PWPR is available in a small-sized PowerPAD™ package. It is typically sold in reels or tubes, with a quantity of 250 units per reel/tube.
Specifications
- Supply voltage range: 4.5V to 26V
- Output power: Up to 30W per channel (at 10% THD+N)
- Total harmonic distortion + noise (THD+N): <0.1%
- Signal-to-noise ratio (SNR): >100dB
- Operating temperature range: -40°C to 85°C
- Package type: HTSSOP-28 PowerPAD™
Pin Configuration
The TPA3120D2PWPR has a total of 28 pins arranged as follows:
Pin Number | Pin Name | Description
-----------|----------|-------------
1 | VDD | Positive power supply
2 | PVDD | Positive power supply for the power stage
3 | PVDD | Positive power supply for the power stage
4 | VDD | Positive power supply
5 | GND | Ground
6 | GND | Ground
7 | IN1 | Audio input 1
8 | IN2 | Audio input 2
9 | IN3 | Audio input 3
10 | IN4 | Audio input 4
11 | MUTE | Mute control input
12 | SD | Shutdown control input
13 | MODE | Mode selection input
14 | AGND | Analog ground
15 | AGND | Analog ground
16 | OUT1 | Audio output 1
17 | OUT1 | Audio output 1
18 | OUT2 | Audio output 2
19 | OUT2 | Audio output 2
20 | OUT3 | Audio output 3
21 | OUT3 | Audio output 3
22 | OUT4 | Audio output 4
23 | OUT4 | Audio output 4
24 | PGND | Power ground
25 | PGND | Power ground
26 | PVDD | Positive power supply for the power stage
27 | PVDD | Positive power supply for the power stage
28 | VDD | Positive power supply
Functional Features
- High-quality audio amplification: The TPA3120D2PWPR provides excellent audio amplification with low distortion and high signal-to-noise ratio.
- Flexible input options: It supports multiple audio inputs, allowing for versatile system integration.
- Mute and shutdown control: The amplifier includes mute and shutdown control inputs for convenient operation and power management.
- Thermal and short-circuit protection: Built-in protection mechanisms ensure the amplifier's safety by preventing damage due to excessive heat or short circuits.
Advantages and Disadvantages
Advantages
- High power efficiency, resulting in reduced power consumption.
- Wide voltage range allows for flexible power supply configurations.
- Compact package size enables space-saving designs.
- Low distortion levels ensure high-quality audio output.
- Built-in thermal and short-circuit protection mechanisms enhance reliability.
Disadvantages
- Limited output power compared to higher wattage amplifiers.
- May require additional components for optimal performance in certain applications.
Working Principles
The TPA3120D2PWPR operates as a class-D audio amplifier. It utilizes pulse-width modulation (PWM) techniques to convert the input audio signal into a high-frequency square wave. This square wave is then amplified by the power stage and filtered to reconstruct the original audio waveform. The class-D architecture ensures high efficiency by minimizing power dissipation during the amplification process.
Detailed Application Field Plans
The TPA3120D2PWPR can be applied in various fields, including: 1. Consumer electronics:
Maglista ng 10 karaniwang tanong at sagot na nauugnay sa aplikasyon ng TPA3120D2PWPR sa mga teknikal na solusyon
Sure! Here are 10 common questions and answers related to the application of TPA3120D2PWPR:
Q: What is TPA3120D2PWPR? A: TPA3120D2PWPR is a Class-D audio amplifier integrated circuit (IC) designed for high-performance audio applications.
Q: What is the power output of TPA3120D2PWPR? A: TPA3120D2PWPR can deliver up to 15W per channel into a 4-ohm load or 10W per channel into an 8-ohm load.
Q: Can TPA3120D2PWPR be used in stereo applications? A: Yes, TPA3120D2PWPR can be used in stereo applications as it has two independent channels.
Q: What is the input voltage range for TPA3120D2PWPR? A: The input voltage range for TPA3120D2PWPR is typically between 4.5V and 26V.
Q: Does TPA3120D2PWPR require any external components? A: Yes, TPA3120D2PWPR requires external components such as input capacitors, feedback resistors, and output filters.
Q: Can TPA3120D2PWPR operate with a single power supply? A: Yes, TPA3120D2PWPR can operate with a single power supply, typically ranging from 10V to 26V.
Q: Is TPA3120D2PWPR suitable for battery-powered applications? A: Yes, TPA3120D2PWPR is suitable for battery-powered applications due to its low quiescent current and efficient Class-D operation.
Q: Does TPA3120D2PWPR have built-in thermal protection? A: Yes, TPA3120D2PWPR has built-in thermal protection that prevents the IC from overheating.
Q: Can TPA3120D2PWPR be used in bridge-tied load (BTL) configurations? A: Yes, TPA3120D2PWPR can be used in BTL configurations to achieve higher power output.
Q: What are some typical applications of TPA3120D2PWPR? A: TPA3120D2PWPR is commonly used in audio amplification for portable speakers, soundbars, home theater systems, and automotive audio systems.
Please note that these answers are general and may vary depending on specific design considerations and requirements.