DDX-2102 Datasheet, PDF (1/17 Pages) List of Unclassifed Manufacturers – All-Digital High Efficiency Power Amplifier

DDX-2102
All-Digital High Efficiency Power Amplifier
FEATURES
• HIGH OUTPUT CAPABILITY
• DDX^® Mono-Mode:
* 1 x 130 W, 4Ω, < 10% THD
• DDX^® Full-Bridge Mode:
* 2 x 50 / 65 W, 6Ω / 8Ω, < 10% THD
• Binary Half-Bridge Mode:
* 4 x 32 W, 4Ω, < 10% THD
• SINGLE SUPPLY (+9V to +36V)
• MINI SURFACE MOUNT PACKAGE
• HIGH EFFICIENCY, > 90% @ 8Ω, 10%THD
• 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-2102 power device is a monolithic, dual
channel H-Bridge that can provide audio power up
to 65 watts per channel @10%THD, 8Ω at very
high efficiency.
The device contains a logic interface, integrated
bridge drivers, high efficiency MOSFET output
transistors and protection circuitry. It 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 and more than three times the efficiency of
Class A/B amplifiers with music input signal.
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: [phone]
fax: [phone]
CONTROLLED DOCUMENT: P_903-000055_Rev08 DDX-2102 Data Sheet.doc
email: [e-mail]
DRN: PRELIMINARY Page 1 of 17