Overview
The TAS5731MPHP from Texas Instruments is a high-performance, 30-W stereo and 66-W mono digital audio power amplifier. This device is designed to operate in Class-D mode and supports a wide range of supply voltages from 8 to 26.4 V. It features advanced digital signal processing (DSP) capabilities and supports 2.1 audio configurations, making it suitable for various audio applications. The amplifier is highly efficient, with up to 90% efficiency, and includes features such as speaker equalization, dynamic range control, and overtemperature protection.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Output Power (Stereo) | 30 W | - |
| Output Power (Mono) | 66 W | - |
| Supply Voltage Range | 8 - 26.4 V | V |
| Load Impedance (BTL) | 4 Ω | - |
| Load Impedance (SE) | 2 Ω | - |
| Switching Frequency | 352.8 kHz / 384 kHz | kHz |
| THD+N (BTL, 8 Ω, 10% THD) | 4.2 - 37.2 W | W |
| THD+N (PBTL, 4 Ω, 10% THD) | 17.9 - 66 W | W |
| Operating Temperature Range | 0 - 85 °C | °C |
| Junction Temperature Range | 0 - 125 °C | °C |
| Package Type | HTQFP (48-pin) | - |
Key Features
- High-efficiency Class-D operation with up to 90% efficiency
- Support for 2.1 audio configurations (2 × SE + 1 × BTL)
- Wide supply voltage range: 8 V to 26.4 V
- Advanced DSP capabilities including speaker equalization and dynamic range control
- Pin-to-pin compatibility with the TAS5727 and TAS5731
- High output power from a standard supply without the need for a heat sink
- Direct connection to digital processors and MPEG decoders
- Overtemperature protection and overcurrent limit protection
Applications
- LCD TVs
- LED TVs
- Sound Bars
- Home Theater Systems
- Automotive Audio Systems
Q & A
- What is the maximum output power of the TAS5731MPHP in stereo mode?
The TAS5731MPHP can deliver up to 30 W per channel in stereo mode. - What is the supply voltage range for the TAS5731MPHP?
The device operates with a supply voltage range of 8 V to 26.4 V. - What are the supported load impedances for the TAS5731MPHP?
The device supports load impedances of 2 Ω for single-ended (SE) mode and 4 Ω for bridge-tied load (BTL) mode. - What is the switching frequency of the TAS5731MPHP?
The switching frequency can be either 352.8 kHz or 384 kHz, depending on the input sample rate. - Does the TAS5731MPHP have built-in DSP capabilities?
Yes, the device includes advanced DSP capabilities such as speaker equalization and dynamic range control. - What are the thermal metrics for the TAS5731MPHP?
The junction-to-ambient thermal resistance (RθJA) is 27.9 °C/W, and the junction-to-case (top) thermal resistance (RθJC(top)) is 1.1 °C/W. - Is the TAS5731MPHP protected against overtemperature and overcurrent conditions?
Yes, the device includes overtemperature protection and overcurrent limit protection. - What is the package type of the TAS5731MPHP?
The device is packaged in a 48-pin HTQFP. - Can the TAS5731MPHP be used in automotive audio systems?
Yes, it can be used in various audio applications, including automotive audio systems. - Is the TAS5731MPHP pin-to-pin compatible with other models?
Yes, it is pin-to-pin compatible with the TAS5727 and TAS5731.
