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TS4994IQT from ST,ST Microelectronics

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TS4994IQT

Manufacturer: ST

1W Differential Input Audio Power amplifier with selectable standby

Partnumber Manufacturer Quantity Availability
TS4994IQT ST 9000 In Stock

Description and Introduction

1W Differential Input Audio Power amplifier with selectable standby The TS4994IQT is a mono 2.5W Class D audio amplifier manufactured by STMicroelectronics (ST).  

### **Specifications:**  
- **Output Power:** 2.5W into 4Ω at 5V (THD+N = 10%)  
- **Supply Voltage Range:** 2.5V to 5.5V  
- **Efficiency:** Up to 90% (Class D operation)  
- **THD+N:** 0.04% (1W, 4Ω, 1kHz)  
- **Signal-to-Noise Ratio (SNR):** 100dB (A-weighted)  
- **Standby Current:** <1µA  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** QFN16 (3x3mm)  

### **Descriptions:**  
- The TS4994IQT is a high-efficiency Class D audio amplifier designed for portable applications.  
- It features a differential input to reduce noise and improve audio quality.  
- Includes built-in click-and-pop suppression circuitry.  
- Operates in a low-power shutdown mode when not in use.  

### **Features:**  
- **Class D Operation:** High efficiency with low heat dissipation.  
- **Differential Input:** Reduces common-mode noise.  
- **Short-Circuit Protection:** Includes thermal shutdown.  
- **Low Quiescent Current:** 4mA typical.  
- **No External LC Filter Required:** Saves board space.  
- **Fast Start-Up Time:** Minimizes audio delay.  

This information is based on the manufacturer's datasheet.

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