STEREO DIGITAL AMPLIFIER POWER STAGE The TAS5142DKD is a digital audio power amplifier from Texas Instruments (TI). Here are its key specifications, descriptions, and features:
### **Specifications:**
- **Output Power:** 125 W per channel (2 channels) into 4 Ω at 10% THD+N.
- **Supply Voltage Range:** 10 V to 38 V.
- **Efficiency:** Up to 90% (depending on load and conditions).
- **THD+N (Total Harmonic Distortion + Noise):** <0.03% (typical).
- **Signal-to-Noise Ratio (SNR):** >100 dB (A-weighted).
- **Modulation Scheme:** Advanced Digital Power Processing (ADP) for high efficiency.
- **Switching Frequency:** Adjustable (typically 384 kHz).
- **Protection Features:** Overcurrent, overtemperature, undervoltage, and short-circuit protection.
- **Package:** 44-pin PowerPAD™ HTSSOP (DKD).
### **Descriptions:**
The TAS5142DKD is a high-efficiency, stereo digital amplifier designed for consumer audio applications such as home theater systems, soundbars, and powered speakers. It integrates a high-performance PWM processor and power stage, reducing external component count.
### **Features:**
- **Digital Input:** Supports I²S, left-justified, right-justified, and TDM formats.
- **High Efficiency:** Minimizes heat dissipation and power loss.
- **Integrated Feedback:** Provides stable performance across varying loads.
- **Flexible Gain Settings:** Adjustable via external resistors.
- **Low Standby Power Consumption:** Suitable for energy-efficient designs.
- **Thermal Pad:** Enhances heat dissipation for reliable operation.
For detailed datasheets, refer to TI's official documentation.
