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STK4182II

AF Power Amplifier (Split Power Supply) (45W + 45W min, THD = 0.4%)

Partnumber Manufacturer Quantity Availability
STK4182II 4 In Stock

Description and Introduction

AF Power Amplifier (Split Power Supply) (45W + 45W min, THD = 0.4%) The STK4182II is a hybrid IC (Integrated Circuit) manufactured by Sanyo (now part of ON Semiconductor). It is part of the STK series, which is known for audio amplifier applications. Below are the specifications, descriptions, and features based on available data:  

### **Specifications:**  
- **Type:** Thick Film Hybrid IC (Audio Power Amplifier)  
- **Output Power:**  
  - 30W per channel (min) at 8Ω, THD = 0.08%  
  - 35W per channel (min) at 4Ω, THD = 0.3%  
- **Supply Voltage (VCC):** ±25V to ±31V (recommended)  
- **Total Harmonic Distortion (THD):** 0.08% (typical at 1kHz, 8Ω)  
- **Frequency Response:** 20Hz to 50kHz (±1dB)  
- **Input Impedance:** 55kΩ (typical)  
- **Gain:** 40dB (fixed)  
- **Operating Temperature:** -30°C to +75°C  
- **Package:** SIP (Single In-line Package) with 10 pins  

### **Description:**  
The STK4182II is a stereo power amplifier IC designed for high-fidelity audio applications, such as home stereo systems and audio amplifiers. It integrates multiple amplifier stages into a single hybrid module, reducing external component requirements.  

### **Features:**  
- **Built-in Thermal Protection:** Prevents overheating damage.  
- **Low Noise & Distortion:** Suitable for high-quality audio reproduction.  
- **Mute Function:** Allows soft start-up to avoid pop noise.  
- **Compact Design:** Reduces PCB space compared to discrete amplifier circuits.  
- **High Power Efficiency:** Optimized for stable performance in audio applications.  

This IC is typically used in stereo amplifiers, audio receivers, and other consumer audio equipment.  

(Note: Always refer to the official datasheet for precise technical details before implementation.)

Application Scenarios & Design Considerations

AF Power Amplifier (Split Power Supply) (45W + 45W min, THD = 0.4%)

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