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TDA7490SA from ST,ST Microelectronics

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TDA7490SA

Manufacturer: ST

10W 10W Stereo Class-D Amplifier

Partnumber Manufacturer Quantity Availability
TDA7490SA ST 27 In Stock

Description and Introduction

10W 10W Stereo Class-D Amplifier The TDA7490SA is a class-D audio amplifier manufactured by STMicroelectronics.  

### **Specifications:**  
- **Output Power:**  
  - 50W + 50W (stereo) at 4Ω, 10% THD, 24V supply  
  - 30W + 30W (stereo) at 8Ω, 10% THD, 24V supply  
- **Supply Voltage Range:** 10V to 26V  
- **Efficiency:** Up to 90%  
- **THD+N (Total Harmonic Distortion + Noise):**  
  - 0.1% (typical) at 1W, 8Ω  
- **Signal-to-Noise Ratio (SNR):** >95dB (A-weighted)  
- **Operating Frequency:** 300kHz (fixed)  
- **Standby Current:** <1mA  
- **Package:** HSOP36 (PowerSO-36)  

### **Descriptions:**  
- The TDA7490SA is a dual BTL (Bridge-Tied Load) class-D amplifier designed for high-efficiency audio applications.  
- It features a built-in standby function and mute control.  
- The device includes short-circuit, over-temperature, and over-voltage protection.  

### **Features:**  
- High output power capability  
- Low external component count  
- No heatsink required due to efficient thermal performance  
- Pop-free start-up and shutdown  
- Differential inputs for noise immunity  
- Thermal and short-circuit protection  

This information is based on the manufacturer's datasheet and technical documentation.

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