138-mW DirectPath™ Stereo Headphone Amplifier with I2C Volume Control (TPA6130) 20-QFN -40 to 85 The TPA6130A2RTJT is a stereo headphone amplifier manufactured by Texas Instruments (TI). Below are the factual specifications, descriptions, and features from Ic-phoenix technical data files:
### **Specifications:**
- **Manufacturer:** Texas Instruments (TI)
- **Part Number:** TPA6130A2RTJT
- **Type:** Stereo Headphone Amplifier
- **Package:** QFN-20 (3x3 mm)
- **Supply Voltage Range:** 1.4V to 3.6V
- **Output Power:** 25mW per channel into 32Ω at 3.3V
- **THD+N (Total Harmonic Distortion + Noise):** 0.01% (typical)
- **SNR (Signal-to-Noise Ratio):** 105dB (typical)
- **Output Impedance:** 0.1Ω (typical)
- **Shutdown Current:** <1µA (typical)
- **Operating Temperature Range:** -40°C to +85°C
### **Descriptions:**
The TPA6130A2RTJT is a high-performance, low-power stereo headphone amplifier designed for portable audio applications. It features an integrated digital volume control and pop/click suppression circuitry to enhance audio quality. The device operates efficiently from a single supply voltage, making it suitable for battery-powered devices such as smartphones, tablets, and portable media players.
### **Features:**
- **Low Power Consumption:** Optimized for portable battery-powered applications.
- **Digital Volume Control:** Supports I²C interface for precise volume adjustment.
- **Pop/Click Suppression:** Minimizes audible noise during power-up/down.
- **Short-Circuit and Thermal Protection:** Enhances reliability.
- **Wide Supply Voltage Range:** Compatible with low-voltage systems (1.4V to 3.6V).
- **High PSRR (Power Supply Rejection Ratio):** Reduces noise from power supply variations.
- **Small Form Factor:** QFN-20 package (3x3 mm) for space-constrained designs.
This information is based solely on the manufacturer's datasheet and technical documentation.
