20-W Stereo Closed-Loop I2S Audio Power Amplifier with Speaker EQ and DRC The TAS5708 is a digital audio amplifier manufactured by Texas Instruments (TI). Below are the factual specifications, descriptions, and features from Ic-phoenix technical data files:
### **Specifications:**
- **Type:** Digital Input Class-D Audio Amplifier
- **Output Power:**
- Up to 23 W per channel (4 Ω, 10% THD+N, PVDD = 18 V)
- Up to 15 W per channel (8 Ω, 10% THD+N, PVDD = 15 V)
- **Supply Voltage (PVDD):** 8 V to 26 V
- **Signal-to-Noise Ratio (SNR):** 100 dB (A-weighted)
- **Total Harmonic Distortion + Noise (THD+N):** 0.1% (1 W, 8 Ω)
- **Sampling Rate:** Supports 32 kHz, 44.1 kHz, 48 kHz, 88.2 kHz, 96 kHz
- **Bit Depth:** Supports 16-bit, 20-bit, 24-bit audio
- **Efficiency:** >90% (typical)
- **Operating Temperature Range:** -40°C to +85°C
### **Descriptions:**
- The TAS5708 is a 2-channel (stereo) digital input Class-D amplifier with an integrated digital signal processor (DSP).
- It supports I²S, left-justified, right-justified, and TDM digital audio input formats.
- Includes built-in protection features such as overcurrent, overvoltage, undervoltage, and thermal shutdown.
### **Features:**
- **Digital Audio Processing:**
- Integrated 8-band parametric equalizer (PEQ)
- Dynamic range compression (DRC)
- Bass enhancement
- **Flexible Input Interface:**
- Supports I²C control interface
- Multiple digital audio input formats
- **Efficiency & Thermal Performance:**
- High-efficiency Class-D operation reduces heat dissipation
- No external heat sink required in most applications
- **Protection Mechanisms:**
- DC offset detection
- Short-circuit protection
- Thermal warning and shutdown
This information is sourced from Texas Instruments' official documentation on the TAS5708.
