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TDA8566Q from PHI,Philips

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TDA8566Q

Manufacturer: PHI, NXP

2 x 40 W/2 Ohm stereo BTL car radio power amplifier with differential inputs and diagnostic outputs

Partnumber Manufacturer Quantity Availability
TDA8566Q PHI, NXP 74 In Stock

Description and Introduction

2 x 40 W/2 Ohm stereo BTL car radio power amplifier with differential inputs and diagnostic outputs The TDA8566Q is a car radio power amplifier manufactured by NXP Semiconductors. Below are its specifications, descriptions, and features based on factual information from Ic-phoenix technical data files:  

### **Specifications:**  
- **Type:** Class-AB/BTL (Bridge-Tied Load) audio power amplifier  
- **Output Power:**  
  - 4 × 40 W (max) at 4 Ω, 14.4 V, 1 kHz, 10% THD  
  - 4 × 24 W (typical) at 4 Ω, 14.4 V, 1 kHz, 1% THD  
- **Supply Voltage Range:** 6 V to 18 V (operational), max 28 V (transient)  
- **Load Impedance:** 4 Ω (min)  
- **Total Harmonic Distortion (THD):** Typically 0.1% at 1 W, 1 kHz  
- **Signal-to-Noise Ratio (SNR):** > 100 dB (A-weighted)  
- **Standby Current:** < 100 µA  
- **Operating Temperature Range:** -40°C to +105°C  
- **Package:** HSOP24 (PowerSO-24)  

### **Descriptions:**  
- The TDA8566Q is a quad BTL amplifier designed for car radio applications.  
- It includes diagnostic features for fault detection (short-circuit, over-temperature, etc.).  
- It has a mute and standby mode for power-saving operation.  
- The amplifier is protected against short circuits, thermal overload, and reverse polarity.  

### **Features:**  
- **High output power capability** (up to 4 × 40 W).  
- **Low standby current** (< 100 µA).  
- **Diagnostic output** for fault detection.  
- **Mute and standby control** for power management.  
- **Short-circuit, thermal, and reverse polarity protection.**  
- **Minimal external components required.**  
- **Electrostatic Discharge (ESD) protection.**  

This information is based on the official NXP datasheet for the TDA8566Q.

Application Scenarios & Design Considerations

2 x 40 W/2 Ohm stereo BTL car radio power amplifier with differential inputs and diagnostic outputs

Alternative Part Number

  • TDA8566TH --: Same 2x40W class-AB car audio amplifier family from the original manufacturer's successor, with similar supply range and pin-compatible function in a different package.
  • TDA7388 --: Quad-bridge car radio power amplifier with comparable output power and supply voltage, widely used as a drop-in alternative in automotive audio designs.
  • TDA7850 --: Higher-power quad car audio amplifier with similar supply and gain characteristics, commonly used as an upgrade/replacement in the same application class.
  • TDA8563Q --: Similar NXP car audio power amplifier with comparable output power and supply range, suitable as a functional substitute with minor circuit adjustments.

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