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TS4990IQT from STM,ST Microelectronics

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TS4990IQT

Manufacturer: STM

1.2W AUDIO POWER AMPLIFIER WITH ACTIVE LOW STANDBY MODE

Partnumber Manufacturer Quantity Availability
TS4990IQT STM 18000 In Stock

Description and Introduction

1.2W AUDIO POWER AMPLIFIER WITH ACTIVE LOW STANDBY MODE The TS4990IQT is a mono 2.3W Class-AB audio power amplifier manufactured by STMicroelectronics (STM).  

### **Specifications:**  
- **Output Power:** 2.3W into 4Ω at 5V (THD+N = 10%)  
- **Supply Voltage Range:** 2.5V to 5.5V  
- **Quiescent Current:** 2.5mA (typical)  
- **Shutdown Current:** <1µA  
- **Total Harmonic Distortion + Noise (THD+N):** 0.1% (1kHz, 1W into 4Ω)  
- **Signal-to-Noise Ratio (SNR):** 100dB (A-weighted)  
- **Gain:** Fixed at 6dB  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** QFN16 (3x3mm)  

### **Descriptions & Features:**  
- Designed for portable audio applications such as smartphones, tablets, and portable media players.  
- Class-AB amplifier with high efficiency and low distortion.  
- Integrated click-and-pop suppression circuitry.  
- Short-circuit and thermal protection.  
- No external output coupling capacitors required (cap-less design).  
- Low power consumption in shutdown mode.  
- Space-saving QFN16 package for compact PCB designs.  

This amplifier is optimized for battery-powered devices, providing high-quality audio with minimal power consumption.

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