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Apogee Technology - (DDX-2000 / DDX-2060) All Digital High Effiect Power Amplifier

Numéro de référence DDX-2000
Description (DDX-2000 / DDX-2060) All Digital High Effiect Power Amplifier
Fabricant Apogee Technology 
Logo Apogee Technology 





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DDX-2000 fiche technique
DDX-2000/2060
All-Digital High Efficiency
Power Amplifier
FEATURES
HIGH OUTPUT CAPABILITY
2x35W into 8 @ <1% THD+N
1x70W into 4 @ <1% THD+N
SINGLE SUPPLY (+9V to +30V)
HIGH EFFICIENCY, >88%
www.DataSheet4U.com DIGITAL VOLUME CONTROL, ANTI-
CLIPPING AND AUTOMATIC MUTE
THERMAL OVERLOAD AND SHORT
CIRCUIT PROTECTION
BENEFITS
COMPLETE SURFACE MOUNT DESIGN
SMALL PACKAGE -NO HEAT SINK
POWER SUPPLY SAVINGS
ALL DIGITAL - NO DAC
APPLICATIONS
DIGITAL POWERED SPEAKERS
PC SOUND CARDS
CAR AUDIO
SURROUND SOUND SYSTEMS
DIGITAL AUDIO COMPONENTS
GENERAL DESCRIPTION
The DDX-2000 Controller and DDX-2060 Power
Device is an all-digital stereo amplifier chip set that
can provide up to 35 watts per channel of audio
power at very high efficiency. The DDX-2000
Controller includes two channels of DDX processing,
digital volume control, mute and special processing to
reduce distortion associated with signal clipping. The
controller accepts standard PCM serial formats and
operates from an external 256*Fs clock or from a
crystal. The DDX-2060 Power Device is a dual
channel Class-D H-Bridge power device that has a
logic interface, integrated bridge driver, high efficiency
MOSFET output transistors and protection circuitry.
The benefits of this system are the all-digital design
that eliminates the need for a digital to analog
converter (DAC) and the high efficiency operation
derived from the use of Apogee's patented damped
ternary pulse width modulation (PWM). This
approach provides an efficiency advantage over
conventional Class-D designs and up to three times
the efficiency of typical Class A/B amplifiers with
music input signals.
I2S Digital Audio
3
Volume
Mute
3
Reset
DDX-2000
Controller
Clock
V+
PWM1
2
PWM2
2
+VL
DDX-2060
Power Device
Power Down
LP
Filter
LP
Filter
Left
Right
129 Morgan Drive, Norwood MA 02062
1
voice: (781) 551-9450 fax: (781) 440-9528 email: [email protected]
Copyright Apogee Technology, Inc 2000
(All Rights Reserved)
November 2001
DOC #1000002-09

PagesPages 15
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