20-W MONO DIGITAL INPUT AUDIO AMPLIFIER The TPA3200D1 is a digital input Class-D audio amplifier from Texas Instruments (TI)/Burr-Brown (BB). Below are its specifications, descriptions, and features based on factual information from Ic-phoenix technical data files:
### **Specifications:**
- **Output Power:**
- 20W into 8Ω at 10% THD+N (PVDD = 18V)
- 30W into 4Ω at 10% THD+N (PVDD = 15V)
- **Supply Voltage (PVDD):** 4.5V to 26V
- **Efficiency:** Up to 90% (typical)
- **Signal-to-Noise Ratio (SNR):** >100dB (A-weighted)
- **Total Harmonic Distortion + Noise (THD+N):** <0.1% (1W into 8Ω)
- **Sampling Rate:** Supports 32kHz, 44.1kHz, 48kHz, 88.2kHz, 96kHz
- **Digital Input Interface:** I²S, left-justified, right-justified, TDM (up to 8 channels)
- **Modulation Scheme:** Advanced modulation with low EMI
- **Operating Temperature Range:** -40°C to +85°C
- **Package:** 32-pin HTSSOP (PowerPAD™)
### **Descriptions:**
The TPA3200D1 is a high-efficiency, digital-input Class-D amplifier designed for audio applications. It integrates a digital signal processor (DSP) for processing PCM audio data and includes protection features like overcurrent, overtemperature, and undervoltage lockout. It is suitable for consumer audio systems, soundbars, and portable speakers.
### **Features:**
- **Digital Input:** Directly accepts PCM audio data without requiring an external DAC.
- **Flexible Audio Interface:** Supports multiple digital input formats (I²S, LJ, RJ, TDM).
- **Low EMI:** Advanced modulation reduces electromagnetic interference.
- **Integrated Protections:**
- Overcurrent protection (OCP)
- Overtemperature protection (OTP)
- Undervoltage lockout (UVLO)
- **Low Quiescent Current:** Optimized for battery-powered applications.
- **Pop-and-Click Suppression:** Minimizes audible noise during power-up/down.
- **Gain Settings:** Configurable via hardware pins.
- **PowerPAD™ Package:** Enhances thermal performance.
This information is based on the manufacturer's datasheet and technical documentation.
