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DDX-2102

All-Digital High Efficiency Power Amplifier

FEATURES

鈥?/div>

HIGH OUTPUT CAPABILITY

DDX

廬

Mono-Mode:

DDX

廬

Full-Bridge Mode:

*

1 x 130 W, 4鈩? < 10% THD

2 x 50 / 65 W, 6鈩?/div>

/

8鈩? < 10% THD

4 x 32 W, 4鈩? < 10% THD

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, 8鈩?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廬 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廬 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鈥檚 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.

VCC1P

Binary Half-Bridge Mode:

SINGLE SUPPLY (+9V to +36V)

MINI SURFACE MOUNT PACKAGE

HIGH EFFICIENCY, > 90% @ 8鈩? 10%THD

THERMAL OVERLOAD PROTECTION

SHORT CIRCUIT PROTECTION

COMPLETE SURFACE MOUNT DESIGN

POWER SUPPLY SAVINGS

DIGITAL POWERED SPEAKERS

PC SOUND CARDS

CAR AUDIO

SURROUND SOUND SYSTEMS

DIGITAL AUDIO COMPONENTS

BENEFITS

APPLICATIONS

INLA

BIAS

CONFIG

PWRDN

FAULT

TRISTATE

TWARN

GNDREF

INLB

INRA

VSIG

VREG2

VREG1

GNDR1

INRB

PROTECTION

AND

DRIVER

LOGIC

FET

DRIVE

OUTPL

PGND1P

VCC1N

FET

DRIVE

OUTNL

PGND1N

VCC2P

FET

DRIVE

REGULATORS

FET

DRIVE

OUTPR

PGND2P

VCC2N

OUTNR

PGND2N

Figure 1. Block Diagram

Specifications are subject to change without notice.

129 Morgan Drive, Norwood, MA 02062

voice: (781) 551-9450

fax: (781) 440-9528

CONTROLLED DOCUMENT: P_903-000055_Rev08 DDX-2102 Data Sheet.doc

email: apogee@apogeeddx.com

DRN: PRELIMINARY

Page 1 of 17

型號(hào)

版本

描述

廠商

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英文版

All-Digital High Efficiency Power Amplifier

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