STMICROELECTRONICS 100W DMOS Audio Amplifier IC, 10V to 40V, MultiWatt15

The STMICROELECTRONICS DMOS Audio Amplifier is a high-performance, monolithic integrated circuit designed for premium audio applications. Housed in a robust MultiWatt15 package, this 100W, class AB amplifier delivers exceptional sound quality with a very high operating voltage range of ±10V to ±40V, making it suitable for demanding Hi-Fi systems.

Its advanced DMOS (Diffusion Metal Oxide Semiconductor) power stage ensures efficient operation with minimal distortion and noise. Key user-friendly features include integrated muting and stand-by functions, which eliminate disruptive switch-on and switch-off noises, providing a seamless listening experience. The design also foregoes the need for traditional Boucherot cells (Zobel networks), simplifying circuit design.

Core Features & Protection

Engineered for reliability, this amplifier IC incorporates comprehensive protection mechanisms. It includes short-circuit protection to safeguard the device and connected components from damage, alongside thermal shutdown to prevent overheating during prolonged use or in high-temperature environments.

Specifications at a Glance

• Amplifier Type: Class AB
• Number of Channels: 1 (Mono)
• Output Power: 100W
• Supply Voltage Range: ±10V to ±40V
• Load Impedance: 8 Ohm
• IC Package: MultiWatt (15-pin)
• Mounting Type: Through Hole
• Operating Temperature Range: 0°C to 70°C

Ideal Applications

This versatile amplifier is perfect for constructing high-fidelity audio equipment. Its performance characteristics make it an excellent choice for home stereo amplifiers, self-powered loudspeakers, and top-class television audio systems where clean, powerful sound reproduction is essential.