Stereo 2-W Audio Power Amp with 4 Selectable Gain Settings and MUX Control The TPA0312PWP is a stereo audio power amplifier manufactured by Texas Instruments. Below are its specifications, descriptions, and features:
### **Specifications:**
- **Output Power:**
- 2 W per channel into 4 Ω at 5 V (THD+N = 10%)
- 1.1 W per channel into 8 Ω at 5 V (THD+N = 10%)
- **Supply Voltage Range:** 2.5 V to 5.5 V
- **Quiescent Current:** 2.6 mA (typical)
- **Efficiency:** Up to 90% (depends on load and supply voltage)
- **THD+N (Total Harmonic Distortion + Noise):** 0.2% (typical at 1 W, 4 Ω, 5 V)
- **Signal-to-Noise Ratio (SNR):** 95 dB (typical)
- **Shutdown Current:** 0.1 µA (typical)
- **Operating Temperature Range:** -40°C to +85°C
- **Package:** HTSSOP-20 (PWP)
### **Description:**
The TPA0312PWP is a stereo Class-D audio power amplifier designed for portable applications such as smartphones, tablets, and portable media players. It features high efficiency, low power consumption, and a compact form factor, making it ideal for battery-powered devices.
### **Features:**
- **Class-D Operation:** Provides high efficiency with minimal heat generation.
- **Low Quiescent Current:** Extends battery life in portable applications.
- **Thermal and Short-Circuit Protection:** Ensures device reliability.
- **Pop-and-Click Suppression:** Reduces audible noise during power-up/down.
- **Differential Inputs:** Improves noise rejection.
- **Shutdown Mode:** Minimizes power consumption when not in use.
- **Gain Select Pins:** Allows gain configuration (6 dB, 12 dB, 18 dB, or 24 dB).
This information is based solely on the manufacturer's datasheet. For detailed electrical characteristics and application circuits, refer to Texas Instruments' official documentation.
