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TS4975 from ST,ST Microelectronics

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TS4975

Manufacturer: ST

Stereo Headphone Drive Amplifier with I2C Bus Digital Volume Control

Partnumber Manufacturer Quantity Availability
TS4975 ST 560 In Stock

Description and Introduction

Stereo Headphone Drive Amplifier with I2C Bus Digital Volume Control The part TS4975 is a low-power audio amplifier manufactured by STMicroelectronics (ST).  

### **Specifications:**  
- **Type:** Class AB Audio Power Amplifier  
- **Supply Voltage (VDD):** 2.2V to 5.5V  
- **Output Power:** 1W (into 8Ω at 5V)  
- **THD+N (Total Harmonic Distortion + Noise):** 0.1% (typical)  
- **Shutdown Current:** 0.1µA (typical)  
- **Quiescent Current:** 2.5mA (typical)  
- **Gain:** Fixed at 6dB  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** DFN8 (2x2mm)  

### **Descriptions and Features:**  
- Ultra-low-power consumption, suitable for battery-powered applications.  
- No external components required for operation (no bootstrap capacitor needed).  
- Improved PSRR (Power Supply Rejection Ratio) for better noise immunity.  
- Short-circuit and thermal protection.  
- Pop & click suppression circuitry for smooth power-on/off transitions.  
- Designed for portable devices such as smartphones, tablets, and wireless headsets.  

This information is based on the manufacturer's datasheet for the TS4975.

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