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DDX-2120 fiches techniques PDF

Apogee Technology - (DDX-21xx) All-Digital High Efficiency Power Amplifiers

Numéro de référence DDX-2120
Description (DDX-21xx) All-Digital High Efficiency Power Amplifiers
Fabricant Apogee Technology 
Logo Apogee Technology 





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DDX-2120 fiche technique
DDX-2160/DDX-2120/DDX-2100
All-Digital High Efficiency Power Awmwwp.DliaftaiSeherest4U.com
FEATURES
HIGH OUTPUT CAPABILITY
DDX® Mono-Mode:
* DDX-2160: 1 x 160 / 150 W, 3Ω / 4, < 10% THD
* DDX-2120: 1 x 125 / 150 W, 3Ω / 4, < 10% THD
* DDX-2100: 1 x 100 / 130 W, 3Ω / 4, < 10% THD
DDX® Full-Bridge Mode:
* DDX-2160: 2 x 80 / 75 W, 6Ω / 8Ω, < 10% THD
* DDX-2120: 2 x 62 / 75 W, 6Ω / 8Ω, < 10% THD
* DDX-2100: 2 x 50 / 65 W, 6Ω / 8Ω, < 10% THD
Binary Half-Bridge Mode:
* DDX-2160: 4 x 40 W, 4Ω, < 10% THD
* DDX-2120: 4 x 40 W, 4Ω, < 10% THD
* DDX-2100: 4 x 32 W, 4Ω, < 10% THD
SINGLE SUPPLY (+9V to +36V)
COMPACT SURFACE MOUNT PACKAGE
HIGH EFFICIENCY, > 88% @ 8 ohms
THERMAL OVERLOAD PROTECTION
SHORT CIRCUIT PROTECTION
BENEFITS
COMPLETE SURFACE MOUNT DESIGN
POWER SUPPLY SAVINGS
APPLICATIONS
DIGITAL POWERED SPEAKERS
PC SOUND CARDS
CAR AUDIO
SURROUND SOUND SYSTEMS
DIGITAL AUDIO COMPONENTS
1.0 GENERAL DESCRIPTION
The DDX-2160, DDX-2120 and DDX-2100 power
devices are monolithic, dual channel H-Bridges that
can provide audio power up to:
80 watts per channel @10%THD, 6(DDX-2160)
75 watts per channel @10%THD, 8(DDX-2160,
DDX-2120)
65 watts per channel @10%THD, 8(DDX-2100)
at very high efficiency.
Each device contains a logic interface, integrated
bridge drivers, high efficiency MOSFET output
transistors and protection circuitry. Each device
may be used in DDX® Mode as a dual bridge or
reconfigured as a single bridge with double the
output current capability. Alternatively, in Binary
Mode, it may be configured as either a dual bridge
or (at lower power output) a quad half-bridge or a
combination of both types.
The benefits of the DDX® amplification system are:
an 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 PWM
designs of more than three times the efficiency of
typical Class A/B amplifiers with music input
signals.
INLA
BIAS
CONFIG
PWRDN
FAULT
TRISTATE
TWARN
GNDREF
INLB
INRA
VSIG
VREG2
VREG2
VREG1
VREG1
GNDR1
INRB
PROTECTION
AND
DRIVER
LOGIC
FET
DRIVE
FET
DRIVE
REGULATORS
FET
DRIVE
FET
DRIVE
Figure 1. Block Diagram
VCC1P
OUTPL
OUTPL
PGND1P
VCC1N
OUTNL
OUTNL
PGND1N
VCC2P
OUTPR
OUTPR
PGND2P
VCC2N
OUTNR
OUTNR
PGND2N
Specifications are subject to change without notice.
129 Morgan Drive, Norwood, MA 02062
voice: (781) 551-9450
fax: (781) 440-9528
CONTROLLED DOCUMENT: P_903-000012_Rev18 DDX-2160_20_00 Data Sheet.doc
DRN: PRELIMINARY Page 1 of 18

PagesPages 18
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