Overview
The TPA3221DDV is a high-efficiency Class-D audio power amplifier manufactured by Texas Instruments. Designed to deliver high-quality audio output, this model is suitable for driving high-power speakers in various applications. Its market positioning targets audio systems in consumer electronics, industrial automation, and automotive electronics. The TPA3221DDV stands out for its high power output, efficiency, and low distortion, making it a competitive choice for audio amplification needs.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Output Power | 2 x 100 W | W | Stereo configuration |
| Efficiency | 92% | - | Class-D technology |
| THD + Noise | 0.02% | - | Low distortion |
| Input Voltage Range | 12V to 36V | V | Wide voltage support |
| Operating Temperature | -40 to +85 | °C | Industrial range |
| Package | HTSSOP-44 | - | Surface mount |
Key Features
- High power output: Delivers up to 2 x 100 W, ideal for high-power speakers.
- High efficiency: Achieves up to 92% efficiency with Class-D technology, reducing heat and power consumption.
- Low distortion: Ensures high-fidelity audio output with minimal distortion.
- Wide voltage range: Supports 12V to 36V input, suitable for diverse power environments.
Applications
The TPA3221DDV is widely used in consumer electronics, such as home theater systems and soundbars, where high-quality audio amplification is required. In industrial automation, it is employed in public address systems and audio monitoring equipment. Automotive applications include in-car audio systems and infotainment setups, benefiting from its efficiency and robust performance.
Q & A
What is the maximum output power of the TPA3221DDV?
The TPA3221DDV can deliver up to 2 x 100 W in stereo configuration.
What is the efficiency of this amplifier?
It achieves up to 92% efficiency using Class-D technology.
What is the input voltage range?
The amplifier supports an input voltage range of 12V to 36V.
What is the THD + Noise level?
The THD + Noise is as low as 0.02%, ensuring high-fidelity audio.
What is the operating temperature range?
It operates within a temperature range of -40°C to +85°C.
What package does the TPA3221DDV use?
It comes in an HTSSOP-44 surface-mount package.
Is this amplifier suitable for automotive applications?
Yes, it is commonly used in automotive audio systems due to its efficiency and reliability.
Can it drive low-impedance speakers?
Yes, it supports speakers with impedances as low as 2 Ohms.
Does it support stereo and mono configurations?
Yes, it can be configured for both stereo and mono operation.
What are the key advantages of Class-D technology?
Class-D technology offers high efficiency, reduced heat generation, and compact design.
