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ATA-120

Description
20W Class D Single Channel Audio Amplifier
File Size389KB,13 Pages
ManufacturerETC
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ATA-120 Overview

20W Class D Single Channel Audio Amplifier

ATA-120
20W Class D Single Channel Audio Amplifier
FEATURES
HIGH OUTPUT POWER CAPABILITY
SINGLE SUPPLY (+7.5V to +24V)
THD+N < 0.05% @ 1W, 8Ω
HIGH EFFICIENCY, > 90% @ 4Ω, 20W
LOW QUIESCENT CURRENT, 13mA
LOW NOISE (190µV typ.)
POP ELIMINATION AT STARTUP AND
SHUTDOWN
BUILT-IN THERMAL PROTECTION
INTEGRATED SHORT CIRCUIT PROTECTION
180mΩ 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 4Ω 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°C to + 85°C
Evaluation Board for the ATA-120
APPLICATIONS
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 EB-120
Description 20W Class D Single Channel Audio Amplifier 20W Class D Single Channel Audio Amplifier
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