CRD44130-FB Datasheet: 20 W x 2 + 40 W x 1 PWM Amplifier Reference Design





CRD44130-FB 20 W x 2 + 40 W x 1 PWM Amplifier Reference Design Datasheet

Part Number CRD44130-FB
Description 20 W x 2 + 40 W x 1 PWM Amplifier Reference Design
Manufacture Cirrus Logic
Total Page 30 Pages
PDF Download Download CRD44130-FB Datasheet PDF

Features: www.DataSheet4U.com CRD44130-FB 20 W x 2 + 40 W x 1 PWM Amplifier Reference De sign Features  Two Full-Bridge Channe ls, 20 W each  CS44600 Spread Spectru m Modulation (@ 10% THD+N)  One Para llel Full-Bridge Channel, 40 W Reduces EMI Emissions  Thermal, Over-Current , and Under-Voltage (@ 10% THD+N)  < 0.3% THD+N at 12 W  Thermally Enhanc ed QFN Package Requires Protection  > 85% Amplifier Efficiency  Can be op erated as a Stand-Alone Board No Heat Sink  Accepts Analog Audio or S/PDIF Digital Audio Inputs  Onboard FPGA C onverts Stereo Inputs to through On-Bo ard Controls or with Windows® Compatib le Graphical User Interface Grounding A rrangements  Demonstrates Recommende d Layout and Properly Filtered 2.1 Out puts 120 W Switch Mode Power Supply (S MPS) +5.0 V +18 V +18 V Channel 1 (L) Channel 2 (R) CS44130 (Power Stage) L PF 8Ω 8Ω LPF Audio Inputs and Co ntrol Logic PCM Clocks & Data FPGA fo r Stereo to 2.1 Conversion I C Host Control 2 PCM Clocks & Data CS44600 (PWM .

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www.DataSheet4U.com
CRD44130-FB
20 W x 2 + 40 W x 1 PWM Amplifier Reference Design
Features
 Two Full-Bridge Channels, 20 W each
(@ 10% THD+N)
 One Parallel Full-Bridge Channel, 40 W
(@ 10% THD+N)
 < 0.3% THD+N at 12 W
 Thermally Enhanced QFN Package Requires
No Heat Sink
 Accepts Analog Audio or S/PDIF Digital Audio
Inputs
 Onboard FPGA Converts Stereo Inputs to
Properly Filtered 2.1 Outputs
 CS44600 Spread Spectrum Modulation
Reduces EMI Emissions
 Thermal, Over-Current, and Under-Voltage
Protection
 > 85% Amplifier Efficiency
 Can be operated as a Stand-Alone Board
through On-Board Controls or with Windows®
Compatible Graphical User Interface
 Demonstrates Recommended Layout and
Grounding Arrangements
120 W Switch Mode Power Supply
(SMPS)
+5.0 V
+18 V
+18 V
Channel 1 (L)
Channel 2 (R)
CS44130
(Power
Stage)
LPF
LPF
8
8
Audio
Inputs and
Control
Logic
PCM Clocks
& Data
FPGA for
Stereo to
2.1
Conversion
PCM Clocks
& Data
CS44600
(PWM
Controller)
I2C Host Control
+18 V
Channel 3 (LFE)
CS44130
(Power
Stage)
LPF
4
http://www.cirrus.com
Copyright © Cirrus Logic, Inc. 2006
(All Rights Reserved)
AUGUST '06
DS690RD2

                    
                    






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