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TS4990IJT from ST,ST Microelectronics

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TS4990IJT

Manufacturer: ST

1W AUDIO POWER AMPLIFIER WITH ACTIVE LOW STANDBY MODE

Partnumber Manufacturer Quantity Availability
TS4990IJT ST 10000 In Stock

Description and Introduction

1W AUDIO POWER AMPLIFIER WITH ACTIVE LOW STANDBY MODE The TS4990IJT is a mono differential class D audio amplifier manufactured by STMicroelectronics (ST).  

### **Specifications:**  
- **Output Power:** 3.2W into 4Ω at 5V (THD+N = 10%)  
- **Supply Voltage Range:** 2.5V to 5.5V  
- **Efficiency:** Up to 90%  
- **Signal-to-Noise Ratio (SNR):** >100dB (A-weighted)  
- **Total Harmonic Distortion + Noise (THD+N):** <0.1% (1W into 4Ω)  
- **Shutdown Current:** <1µA  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** MiniSO-8  

### **Descriptions:**  
The TS4990IJT is a high-efficiency class D audio amplifier designed for portable applications. It features a differential input to reduce noise and improve audio quality. The device includes a low-power shutdown mode and requires minimal external components.  

### **Features:**  
- Differential inputs for noise rejection  
- No output filter required (filterless operation)  
- Short-circuit and thermal protection  
- Pop & click suppression  
- Low quiescent current (4mA typical)  
- Small PCB footprint  

This information is sourced from STMicroelectronics' official documentation.

Partnumber Manufacturer Quantity Availability
TS4990IJT STM 305 In Stock

Description and Introduction

1W AUDIO POWER AMPLIFIER WITH ACTIVE LOW STANDBY MODE The TS4990IJT is a mono Class D audio amplifier manufactured by STMicroelectronics (STM).  

**Specifications:**  
- **Output Power:** 1.4 W into 4 Ω at 5 V (THD+N = 10%)  
- **Supply Voltage Range:** 2.5 V to 5.5 V  
- **Efficiency:** Up to 90%  
- **THD+N (Total Harmonic Distortion + Noise):** 0.1% (1 W, 4 Ω, 5 V)  
- **Shutdown Current:** < 1 µA  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** MiniSO-8  

**Descriptions and Features:**  
- **Class D Operation:** Provides high efficiency with low power dissipation.  
- **Low Quiescent Current:** 3.5 mA typical.  
- **Pop & Click Suppression:** Minimizes noise during power-up and shutdown.  
- **Short-Circuit Protection:** Includes thermal shutdown and overcurrent protection.  
- **Small Footprint:** Suitable for space-constrained applications.  
- **Applications:** Portable devices, smartphones, tablets, and multimedia systems.  

This amplifier is designed for battery-powered audio applications requiring high efficiency and compact size.

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