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TDA8551T from NXP,NXP Semiconductors

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TDA8551T

Manufacturer: NXP

1 W BTL audio amplifier with digital volume control

Partnumber Manufacturer Quantity Availability
TDA8551T NXP 305 In Stock

Description and Introduction

1 W BTL audio amplifier with digital volume control The TDA8551T is a mono bridged audio power amplifier manufactured by NXP Semiconductors.  

### **Specifications:**  
- **Supply Voltage (VS):** 3 V to 18 V  
- **Output Power:**  
  - 1.1 W (typical) into 8 Ω at 5 V  
  - 2.5 W (typical) into 8 Ω at 12 V  
- **Gain:** Fixed at 20 dB (10× voltage gain)  
- **THD (Total Harmonic Distortion):** < 0.2% (typical)  
- **Signal-to-Noise Ratio (SNR):** > 85 dB  
- **Standby Current:** < 100 nA (typical)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** SO8 (Small Outline 8-pin)  

### **Descriptions:**  
The TDA8551T is a low-voltage mono BTL (Bridge-Tied Load) amplifier designed for battery-powered applications such as portable audio devices, radios, and multimedia systems. It features a low standby current, making it suitable for power-sensitive applications.  

### **Features:**  
- **Mono BTL Output Configuration**  
- **Low Standby Current** (suitable for battery operation)  
- **No External Components Required** (minimal external circuitry)  
- **Short-Circuit and Thermal Protection**  
- **Low External Component Count**  
- **Pop-Free Start-Up and Shutdown**  

The TDA8551T is optimized for space-constrained designs due to its compact SO8 package and efficient power delivery.

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