Overview
The TPA3244DDWR is a high-performance Class-D power amplifier produced by Texas Instruments. This device is designed to deliver premium sound quality with the efficiency of Class-D operation. It features an advanced integrated feedback design and proprietary high-speed gate driver error correction known as PurePath™ Ultra-HD, which ensures ultra-low distortion across the audio band and superior audio quality. The amplifier supports a wide supply voltage range of 12 to 31.5 volts and is packaged in a 44-pin HTSSOP (DDW) package.
Key Specifications
| Specification | Value |
|---|---|
| Package | HTSSOP (DDW) 44 pins |
| Operating Temperature Range | 0 to 70°C |
| Supply Voltage Range | 12 to 31.5 V |
| Total Output Power at 10% THD+N | 60 W Stereo Continuous into 8 Ω, 110 W Stereo Peak into 4 Ω |
| Total Output Power at 1% THD+N | 50 W Stereo Continuous into 8 Ω, 90 W Stereo Peak into 4 Ω |
| Signal Bandwidth | Up to 100 kHz |
| THD+N | 0.005% at 1 W into 4 Ω, <0.01% to Clipping |
| PSRR (BTL, No Input Signal) | 60 dB |
| Output Noise (A-Weighted) | <55 µV |
| SNR (A Weighted) | >110 dB |
| Efficiency | 94% Efficient Class-D Operation (8 Ω) |
| Idle Losses | Below 0.45 W |
Key Features
- Differential Analog Inputs
- Advanced Integrated Feedback Design with High-speed Gate Driver Error Correction (PurePath™ Ultra-HD)
- Multiple Configurations Possible: Stereo, Mono, 2.1, and 4xSE
- Click and Pop Free Startup and Stop
- Self-Protection Design (Including Undervoltage, Overtemperature, Clipping, and Short Circuit Protection) With Error Reporting
- EMI Compliant When Used With Recommended System Design
- Ultra Low Distortion and High Signal Bandwidth for High Frequency Content From HD Sources
Applications
The TPA3244DDWR is suitable for various audio applications requiring high power efficiency and premium sound quality. Some of the key applications include:
- Home Theater Systems
- Soundbars
- Active Speakers
- Automotive Audio Systems
- Professional Audio Equipment
For example, the TPA3244 can be used in a Dolby Atmos soundbar reference design to create a room-filling audio experience with high dynamic range and ultra-HD audio quality.
Q & A
- What is the maximum output power of the TPA3244DDWR? The TPA3244DDWR can deliver up to 60 W stereo continuous into 8 Ω and 110 W stereo peak into 4 Ω at 10% THD+N.
- What is the supply voltage range for the TPA3244DDWR? The supply voltage range is 12 to 31.5 volts.
- What package type is the TPA3244DDWR available in? The TPA3244DDWR is packaged in a 44-pin HTSSOP (DDW) package.
- What is the operating temperature range for the TPA3244DDWR? The operating temperature range is 0 to 70°C.
- Does the TPA3244DDWR support multiple configurations? Yes, it supports stereo, mono, 2.1, and 4xSE configurations.
- What is the efficiency of the TPA3244DDWR? The TPA3244DDWR achieves 94% efficient Class-D operation into an 8 Ω load.
- Does the TPA3244DDWR have built-in protection features? Yes, it includes self-protection design for undervoltage, overtemperature, clipping, and short circuit protection with error reporting.
- What is the signal bandwidth of the TPA3244DDWR? The signal bandwidth is up to 100 kHz for high frequency content from HD sources.
- Is the TPA3244DDWR EMI compliant? Yes, it is EMI compliant when used with recommended system design.
- What is the THD+N of the TPA3244DDWR? The THD+N is 0.005% at 1 W into 4 Ω and less than 0.01% to clipping.
