CRD44130-FB Cirrus Logic, CRD44130-FB Datasheet
CRD44130-FB
Manufacturer Part Number
CRD44130-FB
Description
20 W x 2 + 40 W x 1 PWM Amplifier Reference Design
Manufacturer
Cirrus Logic
Datasheet
1.CRD44130-FB.pdf
(39 pages)
- Current page: 1 of 39
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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
http://www.cirrus.com
Inputs and
20 W x 2 + 40 W x 1 PWM Amplifier Reference Design
120 W Switch Mode Power Supply
Control
Audio
Logic
+5.0 V
PCM Clocks
(SMPS)
& Data
Conversion
I
2
FPGA for
Stereo to
C Host Control
2.1
+18 V
PCM Clocks
& Data
Copyright © Cirrus Logic, Inc. 2006
Controller)
CS44600
(PWM
(All Rights Reserved)
Channel 3 (LFE)
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
Channel 2 (R)
Channel 1 (L)
CS44130
CS44130
(Power
(Power
Stage)
Stage)
+18 V
+18 V
CRD44130-FB
LPF
LPF
LPF
AUGUST '06
DS690RD2
8 Ω
8 Ω
4 Ω
®
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