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ATA-120

20W Class D Single Channel Audio Amplifier

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FEATURES

HIGH OUTPUT POWER CAPABILITY

SINGLE SUPPLY (+7.5V to +24V)

THD+N < 0.05% @ 1W, 8鈩?/div>

HIGH EFFICIENCY, > 90% @ 4鈩? 20W

LOW QUIESCENT CURRENT, 13mA

LOW NOISE (190碌V typ.)

POP ELIMINATION AT STARTUP AND

SHUTDOWN

BUILT-IN THERMAL PROTECTION

INTEGRATED SHORT CIRCUIT PROTECTION

180m鈩?MOSFET SWITCHES

MUTE / STANDBY MODE

SMALL SMD PACKAGE IS

BOTH LEAD-FREE (Pb) AND GREEN

1.0 GENERAL DESCRIPTION

The ATA-120 Class-D Audio Amplifier is a fully

integrated monolithic audio amplifier that can

provide audio power up to 20 watts @ 10% THD into

a 4鈩?speaker.

The ATA-120 incorporates a single ended output

structure

with

built-in

short

circuit

and

overtemperature protection. This low noise, high

performance device delivers the excellent audio

quality of a class A/B amplifier while still achieving

class-D efficiency greater than 90%.

ORDERING INFORMATION:

Part Number *

ATA-120

EB-120

Package

Temperature

SOIC8

-40擄C to + 85擄C

Evaluation Board for the ATA-120

APPLICATIONS

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TELEVISIONS

HOME AUDIO MINI-SYSTEMS

FLAT PANEL MONITORS

MULTIMEDIA SPEAKERS

SURROUND SOUND DVD SYSTEMS

IN_P

-

BOOST

VDD

IN_N

+

FET

DRIVE

REGULATOR,

CONTROL &

PROTECTION

FET

DRIVE

ENABLE

POUT

AGND

PGND

Figure 1 - Block Diagram

This is preliminary information on a new product. Specifications are subject to change without notice.

129 Morgan Drive, Norwood, MA 02062 voice: (781) 551-9450 fax: (781) 440-9528 email: apogee@apogeeddx.com

CONTROLLED DOCUMENT: P_903-000009_Rev14 ATA-120 Data Sheet.doc

DRN: PRELIMINARY

Page 1 of 13

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ATA-120

英文版

20W Class D Single Channel Audio Amplifier

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ATA-120
ATA-120

英文版

20W Class D Single Channel Audio Amplifier

ETC [ETC]

ATA-120

ATA-120 Datasheet

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