Overview
The TAS5624A, specifically the TAS5624ADDVR model, is a thermally-enhanced class-D power amplifier produced by Texas Instruments. It is based on the TAS5614A and utilizes large MOSFETs to improve power efficiency and reduce heat sink size. This device is part of the PurePath™ HD series, known for its high-fidelity audio performance and integrated feedback mechanisms. The TAS5624A is designed for high-power audio applications and is available in a 44-pin HTSSOP package, making it suitable for space-saving designs.
Key Specifications
| Parameter | Value |
|---|---|
| Audio Input Type | PWM |
| Control Interface | Hardware |
| Operating Temperature Range, °C | 0 to 70 |
| Output Power, W | 150 (Stereo), 300 (Mono) |
| Power Stage Supply (Max), V | 36 |
| Power Stage Supply (Min), V | 12 |
| Power to Bridge Tied Load (Max), W | 200 |
| Power to Parallel Bridge Tied Load (Max), W | 400 |
| SNR, dB | 105 |
| Speaker Channels, Max | 4 |
| THD + N @ 1 kHz, % | 0.025 |
| Package Type | HTSSOP (DDV) |
| Pin Count | 44 |
| Dimensions (mm) | 14 x 6.1 x 1.15 |
Key Features
- PurePath™ HD technology for high-fidelity audio performance
- Integrated feedback mechanisms for improved efficiency and reduced heat sink size
- Self-protected design with undervoltage, overtemperature, and short-circuit protection
- EMI-compliant when used with recommended system design
- Low total harmonic distortion + noise (THD+N) of 0.025% at 1 W into 4 Ω
- High signal-to-noise ratio (SNR) of 105 dB (A-weighted)
- Novel gate-drive scheme for reduced losses in idle and at low-output signals
Applications
- Blu-ray™ and DVD receivers
- High-power sound bars
- Powered subwoofers and active speakers
- Mini combo systems
Q & A
- What is the maximum output power of the TAS5624A in stereo mode?
The maximum output power in stereo mode is 150 W. - What is the maximum output power in mono mode?
The maximum output power in mono mode is 300 W. - What is the operating temperature range of the TAS5624A?
The operating temperature range is from 0 to 70°C. - What is the signal-to-noise ratio (SNR) of the TAS5624A?
The SNR is 105 dB (A-weighted). - What type of package is the TAS5624ADDVR available in?
The TAS5624ADDVR is available in a 44-pin HTSSOP (DDV) package. - Does the TAS5624A have built-in protection mechanisms?
Yes, it includes undervoltage, overtemperature, and short-circuit protection. - What is the typical total harmonic distortion + noise (THD+N) at 1 kHz?
The typical THD+N at 1 kHz is 0.025%. - Is the TAS5624A EMI-compliant?
Yes, it is EMI-compliant when used with recommended system design. - What are some common applications of the TAS5624A?
Common applications include Blu-ray™ and DVD receivers, high-power sound bars, powered subwoofers, and mini combo systems. - What is the PurePath™ HD technology used in the TAS5624A?
PurePath™ HD technology is used for high-fidelity audio performance and integrated feedback mechanisms to improve efficiency and reduce heat sink size.
