Overview
The TAS5631BPHDR, produced by Texas Instruments, is a high-performance PWM input class-D amplifier integrated with closed-loop feedback technology known as PurePath™ HD. This amplifier is designed to deliver exceptional audio quality with flat total harmonic distortion (THD) across all frequencies, ensuring natural sound reproduction. It is part of the TAS5631 series, which is optimized for various audio applications requiring high power output and low distortion.
Key Specifications
| Parameter | Test Conditions | Min | Max | Unit | |
|---|---|---|---|---|---|
| Power Output per Channel (BTL, 10% THD+N, clipped input signal) | RL = 4 Ω | 300 | - | - | W |
| Power Output per Channel (BTL, 1% THD+N, unclipped input signal) | RL = 4 Ω | 55 | - | - | W |
| Total Harmonic Distortion + Noise (THD+N) at 1 W into 4 Ω | - | 0.04% | - | - | % |
| Signal-to-Noise Ratio (SNR), A-weighted | - | 100 | - | - | dB |
| Power Supply Rejection Ratio (PSRR), BTL, No Input Signal | - | 80 | - | - | dB |
| Operating Voltage Range (VDD to AGND) | - | -0.3 to 13.2 | - | - | V |
| Case Temperature Range | - | -40 to 150 | - | - | °C |
Key Features
- PurePath™ HD Technology: Provides flat THD at all frequencies for natural sound reproduction.
- High Power Output: Up to 300 W per channel in BTL configuration and up to 600 W in mono configuration.
- Low Distortion: Ultralow 0.03% THD at 1 W into 4 Ω.
- High Signal-to-Noise Ratio (SNR): >100 dB (A-weighted) SNR.
- High Frequency Content Handling: Signal bandwidth up to 80 kHz for high-frequency content from HD sources.
- Multiple Operating Modes: Supports various configurations such as 2 × BTL, 1 × BTL + 2 × SE, and 4 × SE.
- Overtemperature Protection: Includes overtemperature warning and shutdown features.
- Undervoltage Protection: Protects against undervoltage conditions.
Applications
- Mini Combo Systems: Ideal for compact audio systems requiring high power and low distortion.
- AV Receivers and DVD Receivers: Enhances audio quality in home entertainment systems.
- Active Speakers: Suitable for high-performance speaker systems.
Q & A
- What is the maximum power output of the TAS5631BPHDR in BTL configuration?
The maximum power output in BTL configuration is up to 300 W per channel with a 10% THD+N, clipped input signal.
- What is the typical THD+N at 1 W into 4 Ω?
The typical THD+N at 1 W into 4 Ω is 0.04%.
- What is the signal-to-noise ratio (SNR) of the TAS5631BPHDR?
The SNR is >100 dB (A-weighted).
- What are the operating voltage ranges for the TAS5631BPHDR?
The operating voltage range is from -0.3 V to 13.2 V (VDD to AGND).
- Does the TAS5631BPHDR support multiple operating modes?
Yes, it supports various configurations such as 2 × BTL, 1 × BTL + 2 × SE, and 4 × SE.
- What kind of protection features does the TAS5631BPHDR have?
The device includes overtemperature protection, undervoltage protection, and other safety features.
- What is the typical power dissipation due to idle losses?
The power dissipation due to idle losses (IPVDD_X) is approximately 3 W with no switching and no load.
- What is the recommended case temperature range for the TAS5631BPHDR?
The recommended case temperature range is from -40°C to 150°C.
- Is the TAS5631BPHDR suitable for high-frequency content from HD sources?
Yes, it has a signal bandwidth up to 80 kHz for high-frequency content from HD sources.
- What are some common applications of the TAS5631BPHDR?
Common applications include mini combo systems, AV receivers, DVD receivers, and active speakers.
