30 W Quad Half-Bridge Digital Amplifier Power Stage
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CS4412 30 W Quad Half-Bridge Digital Amplifier Power Stage
Features
Configurable Outputs (10% THD...
Description
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CS4412 30 W Quad Half-Bridge Digital Amplifier Power Stage
Features
Configurable Outputs (10% THD+N)
Common Applications
Integrated Digital Televisions Portable Docking Stations Mini/Micro Shelf Systems Powered Desktop Speakers
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2 x 15 W into 8 Ω, Full-Bridge 1 x 30 W into 4 Ω, Parallel Full-Bridge 4 x 7 W into 4 Ω, Half-Bridge 2 x 7 W into 4 Ω, Half-Bridge + 1 x 15 W into 8 Ω, Full-Bridge No External Heat Sink Required
General Description
The CS4412 is a high-efficiency power stage for digital Class-D amplifiers designed to input PWM signals from a modulator such as the CS4525. 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. The CS4412 integrates on-chip over-current, undervoltage, over-temperature protection and error reporting as well as a thermal warning indicator. The low RDS(ON) outputs can source up to 2.4 A peak current, delivering 85% efficiency. This efficiency provides for a small device package and lower power supplies. The CS4412 is available in a 48-pin QFN package in Commercial grade (-40 to +70° C). The CRD4412 customer reference design is also available. Please refer to “Ordering Information” on page 22 for complete ordering information.
Space-Efficient Thermally-Enhanced QFN
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> 100 dB Dynamic Range - System Level 0.1% THD+N @ 1 W - System Level Built-In Protection wi...
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