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:
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| 60 W Quad Half-Bridge Digital Amplifier |
Datasheet for CS44130: Download
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