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TDA1561Q from PHILIPS

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TDA1561Q

Manufacturer: PHILIPS

2 x 23 W high efficiency car radio power amplifier

Partnumber Manufacturer Quantity Availability
TDA1561Q PHILIPS 20 In Stock

Description and Introduction

2 x 23 W high efficiency car radio power amplifier The TDA1561Q is a power amplifier IC manufactured by PHILIPS (now NXP Semiconductors).  

### **Specifications:**  
- **Type:** Monolithic integrated class-H power amplifier  
- **Output Power:** Up to 70W (4Ω, THD = 10%)  
- **Supply Voltage Range:** 6V to 18V  
- **Operating Temperature:** -40°C to +150°C  
- **Package:** HSOP24 (Heat Sink Small Outline Package)  
- **Features:**  
  - High efficiency (class-H operation)  
  - Low distortion  
  - Standby and mute functions  
  - Short-circuit and thermal protection  
  - Diagnostic feedback (for fault detection)  

### **Descriptions:**  
The TDA1561Q is designed for car radio applications, providing high output power with minimal heat dissipation due to its class-H operation. It integrates multiple protection features for reliable performance.  

### **Features:**  
- **Efficiency:** Class-H switching reduces power dissipation.  
- **Protections:** Thermal shutdown, short-circuit, and overvoltage protection.  
- **Control Functions:** Mute and standby modes for power management.  
- **Diagnostic Output:** Provides feedback for fault detection.  

This IC is optimized for automotive audio systems, ensuring robust performance under varying voltage conditions.

Application Scenarios & Design Considerations

2 x 23 W high efficiency car radio power amplifier

Alternative Part Number

  • TDA1562Q --: Same TDA156x family Class-B car audio amplifier from the original Philips/NXP lineage, with higher output power and pin-compatible package, making it a direct upgrade.
  • TDA7388 --: Quad Class-AB car audio power amplifier in a similar power range and package style, widely available and commonly used as a substitute in automotive audio designs.
  • TDA7850 --: Higher-power quad Class-AB car audio amplifier with comparable supply voltage and package, suitable when extra output headroom is acceptable.

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