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TDA8922BTH from NXP,NXP Semiconductors

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TDA8922BTH

Manufacturer: NXP

2 X 50 W class-D power amplifier

Partnumber Manufacturer Quantity Availability
TDA8922BTH NXP 53 In Stock

Description and Introduction

2 X 50 W class-D power amplifier The TDA8922BTH is a Class-D audio amplifier manufactured by NXP Semiconductors. Below are the specifications, descriptions, and features based on factual information from Ic-phoenix technical data files:

### **Specifications:**
- **Output Power:**  
  - 2 × 50 W (4 Ω, THD = 10%)  
  - 2 × 30 W (8 Ω, THD = 10%)  
- **Supply Voltage Range:** ±12.5 V to ±30 V  
- **Efficiency:** Up to 90%  
- **Total Harmonic Distortion (THD):** <0.1% (typical)  
- **Signal-to-Noise Ratio (SNR):** >100 dB  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** HSOP24 (Heat Sink Small Outline Package)  

### **Descriptions:**
- The TDA8922BTH is a high-efficiency Class-D amplifier designed for audio applications such as home theater systems, active speakers, and multimedia sound systems.  
- It operates in a bridge-tied load (BTL) configuration, eliminating the need for output coupling capacitors.  
- The amplifier features built-in protection circuits, including thermal shutdown, overcurrent protection, and undervoltage lockout.  

### **Features:**
- **High Efficiency:** Reduces power dissipation and heat generation.  
- **Mute and Standby Functions:** Allows power-saving modes.  
- **Short-Circuit Proof:** Robust protection against output short circuits.  
- **Low External Component Count:** Simplifies PCB design.  
- **Fixed Gain (30 dB):** No external gain-setting components required.  
- **Thermal Protection:** Prevents damage from overheating.  

This information is based on the manufacturer's datasheet for the TDA8922BTH. For detailed application notes and schematics, refer to NXP's official documentation.

Application Scenarios & Design Considerations

2 X 50 W class-D power amplifier

Alternative Part Number

  • TDA8920BJ --: Same TDA892x class-D audio amplifier family with comparable output power and supply range, drop-in for many TDA8922BTH designs.
  • TDA8954TH --: Higher-power class-D amplifier in the same TDA89xx series with similar pinout and control interface, usable where extra headroom is acceptable.
  • TPA3116D2 --: Widely available class-D audio amplifier with comparable power and supply voltage, suitable as a cross-vendor replacement with minor layout changes.

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