60 W Quad Half Bridge Digital Amplifier

General Description:

The CS44130 is a high-efficiency power stage for digital Class-D amplifiers designed to recieve PWM signals from a modulator such as the CS44800/600. The power stage outputs can be configured as four half-bridge channels, two half-bridge channels and one full-bridge channel, two full-bridge channels, or one parallel full-bridge channel.

Features:

Configurable Outputs (10% THD+N)

– 2 x 30 W into 8 Ω, Full-Bridge

– 1 x 60 W into 4 Ω, Parallel Full-Bridge

– 4 x 15 W into 4 Ω, Half-Bridge

– 2 x 15 W into 4 Ω, Half-Bridge + 1 x 30 W

into 8 Ω, Full-Bridge

Space-Efficient, Thermally-Enhanced QFN

Package

PWM Popguard® Technology for Quiet Startup

> 100 dB Dynamic Range - System Level

< 0.12% THD+N @ 1 W - System Level

Built-In Protection with Error Reporting

– Over-Current

– Thermal Warning

– Thermal Fault

– Under-Voltage

Single (+10.8 V to +21 V) High Voltage Supply

High Efficiency (90%)

Low RDS(ON)

Low Quiescent Current

Low Power Standby Mode

Common Applications

Digital Televisions

MP3 Docking Stations

Mini Shelf Systems

Networked Audio/POE Systems

Desktop Speakers

Circuit Diagram:

60 W Quad Half-Bridge Digital Amplifier

Datasheet for CS44130: Download

Comments

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