Description
High-Efficiency 2-Channel Audio Power Amplifier Module
The STK3101Y is a high-reliability thick-film hybrid integrated circuit from Sanyo. Engineered for high-fidelity audio applications, this module is a versatile solution frequently found in premium automotive audio systems, home theater receivers, and professional public address (PA) equipment.
Capable of delivering a clean 40W + 40W output into 4Ω loads, the STK3101Y is prized for its high efficiency (typical 90%) and exceptionally low noise floor (-90 dBV), ensuring clear and powerful audio reproduction.
Key Technical Features:
- Power Output: 40W + 40W (at 4Ω) with excellent 0.05% THD.
- Efficiency: High-efficiency design (up to 90%) reducing internal heat generation.
- Wide Application: Used in AV receivers, musical instrument amplifiers, and high-end TV audio circuitry.
- Operating Voltage: Recommended supply of ±30V to ±35V (Maximum Input ±40V).
- Package: Compact SIP/ZIP (Single In-line Package) for easy vertical mounting.
Installation & Thermal Care:
To maintain its 85% typical efficiency and prevent thermal shutdown, the STK3101Y must be mounted to a substantial heatsink. Always apply a thin, even layer of thermal silicone grease to the backplate before securing it to the cooling assembly. Ensure your power supply rail does not exceed the ±40V maximum to prevent permanent substrate damage.
Note: This IC includes integrated regulation and driver circuitry, making it a robust all-in-one solution for audio amplification.