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STK4211II

2ch AF Power Amplifier (Split Power Supply) (70W + 70W min, THD = 0.4%)

Partnumber Manufacturer Quantity Availability
STK4211II 5 In Stock

Description and Introduction

2ch AF Power Amplifier (Split Power Supply) (70W + 70W min, THD = 0.4%) The STK4211II is a hybrid IC (Integrated Circuit) manufactured by Sanyo (now part of ON Semiconductor). It is designed as a high-performance audio power amplifier module, commonly used in stereo audio systems.  

### **Specifications:**  
- **Type:** Hybrid IC (Thick Film)  
- **Function:** 2-channel (stereo) audio power amplifier  
- **Output Power:**  
  - 50W + 50W (at 8Ω, THD = 0.4%)  
  - 60W + 60W (at 6Ω, THD = 0.4%)  
- **Supply Voltage Range:** ±25V to ±38V (recommended)  
- **Total Harmonic Distortion (THD):** 0.4% (typical)  
- **Frequency Response:** 20Hz - 50kHz (±1dB)  
- **Input Impedance:** 33kΩ  
- **Gain:** 30dB (typical)  
- **Package:** SIP (Single In-line Package) with 16 pins  
- **Operating Temperature Range:** -20°C to +85°C  

### **Descriptions and Features:**  
- The STK4211II is a compact, high-power amplifier module designed for stereo applications such as home audio systems and amplifiers.  
- It integrates multiple components (transistors, resistors, etc.) into a single hybrid IC, reducing external component count.  
- Features built-in thermal protection to prevent overheating.  
- Low noise and distortion for high-fidelity audio output.  
- Requires a heat sink for proper thermal dissipation due to high power handling.  
- Commonly used in mid-range audio amplifiers due to its reliability and performance.  

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

Application Scenarios & Design Considerations

2ch AF Power Amplifier (Split Power Supply) (70W + 70W min, THD = 0.4%)

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