Showing posts with label Digital Audio Amplifier. Show all posts
Showing posts with label Digital Audio Amplifier. Show all posts

11/10/2014

60 W Quad Half-Bridge Digital Amplifier

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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
60 W Quad Half-Bridge Digital Amplifier
Datasheet for CS44130: Download
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9/15/2014

3 BAND DIGITAL CONTROLLED AUDIO PROCESSOR

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Circuit Diagram:
3 BAND DIGITAL CONTROLLED AUDIO PROCESSOR

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9/11/2014

STEREO 25W (4Ω) CLASS-T™ DIGITAL AUDIO AMPLIFIER

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General Description:
The TA2021B is a 25W (4Ω) continuous average per channel Class-T Digital Audio Power Amplifier IC using Tripath’s proprietary Digital Power Processing (DPPTM) technology. Class-T amplifiers offer both the audio fidelity of Class-AB and the power efficiency of Class-D amplifiers.

Applications 


  • DVD Receivers 
  • Mini/Micro Component Systems 
  • Computer / PC Multimedia 
  • Cable Set-Top Products 
  • Televisions 
  • Battery Powered Systems


Features:

  • Class-T architecture 
  • Single Supply Operation 
  • “Audiophile” Quality Sound 
  • 0.05% THD+N @ 13W 4Ω
  • 0.1% THD+N @15.5W 4Ω
  • 0.1% IHF-IM @ 1W 4Ω
  • High Power 
  • 25W @ 4Ω, 10% THD+N, VDD=14.6V 
  • 23.5W @ 4Ω, 10% THD+N, VDD=14.2V 
  • 14W @ 8Ω, 10% THD+N, VDD=14.2V 
  • High Efficiency 
  • 88% @ 13.5W 8Ω
  • 81% @ 25W 4Ω
  • Dynamic Range = 100 dB 
  • Mute and Sleep inputs 
  • Turn-on & turn-off pop suppression 
  • Over-current protection 
  • Over-temperature protection 
  • Bridged outputs 
  • 36-pin PSOP “Slug-Up” package 


Circuit Diagram:
STEREO 25W (4Ω) CLASS-T™ DIGITAL AUDIO AMPLIFIER

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