80 mW CAPLESS STEREO HEADPHONE DRIVER The TPA4411RTJR is a power operational amplifier (op-amp) 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:** TPA4411RTJR
- **Type:** Power Operational Amplifier
- **Package:** QFN (Quad Flat No-Lead)
- **Number of Channels:** 1 (Mono)
- **Output Power:** Up to 1.1W
- **Supply Voltage Range:** 2.5V to 5.5V
- **Quiescent Current:** 1.6mA (typical)
- **Total Harmonic Distortion + Noise (THD+N):** 0.03% (typical at 1kHz, 1W into 8Ω)
- **Gain Bandwidth Product (GBW):** 1.2MHz (typical)
- **Slew Rate:** 1.2V/µs (typical)
- **Operating Temperature Range:** -40°C to +85°C
### **Descriptions:**
- The TPA4411RTJR is a low-power, high-performance audio amplifier designed for portable applications.
- It is optimized for driving speakers in small form-factor devices such as smartphones, tablets, and portable media players.
- The device features a shutdown mode to minimize power consumption when not in use.
### **Features:**
- **Low Power Consumption:** Ideal for battery-powered applications.
- **Shutdown Mode:** Reduces current consumption to <1µA.
- **Thermal and Short-Circuit Protection:** Enhances reliability.
- **Improved PSRR (Power Supply Rejection Ratio):** Reduces noise from power supply variations.
- **Small Footprint:** QFN package saves board space.
- **No External Coupling Capacitors Required:** Simplifies design and reduces BOM cost.
This information is based solely on the manufacturer's datasheet and technical documentation.
